UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark One)
    ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 20202022
or
    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Commission file number: 1-9743

EOG RESOURCES, INC.
(Exact name of registrant as specified in its charter)
Delaware47-0684736
(State or other jurisdiction of
incorporation or organization)
 (I.R.S. Employer
Identification No.)
1111 Bagby, Sky Lobby 2, Houston, Texas   77002
(Address of principal executive offices)     (Zip Code)
Registrant's telephone number, including area code:  713-651-7000

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.01 per shareEOGNew York Stock Exchange
Securities registered pursuant to Section 12(g) of the Act:
None.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes   No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.  Yes   No

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes   No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes   No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer     Accelerated filer     Non-accelerated filer
Smaller reporting company     Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b).

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes   No





State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.  Common Stock aggregate market value held by non-affiliates as of June 30, 2020: $29,4442022: $64,556 million.

Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date.  Class: Common Stock, par value $0.01 per share, 583,563,479587,723,622 shares outstanding as of February 12, 2021.16, 2023.

Documents incorporated by reference. Portions of the Definitive Proxy Statement for the registrant's 20212023 Annual Meeting of Stockholders, to be filed within 120 days after December 31, 2020,2022, are incorporated by reference into Part III of this report.


TABLE OF CONTENTS

  Page
PART I 
ITEM 1.Business
 General
 Exploration and Production
 Marketing
 Wellhead Volumes and Prices
Human Capital Management
 Competition
 Regulation
 Other Matters
 Information About Our Executive Officers
ITEM 1A.Risk Factors
ITEM 1B.Unresolved Staff Comments
ITEM 2.Properties
 Oil and Gas Exploration and Production - Properties and Reserves
ITEM 3.Legal Proceedings
ITEM 4.Mine Safety Disclosures
PART II 
ITEM 5.Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
ITEM 6.Selected Financial DataReserved
ITEM 7.Management's Discussion and Analysis of Financial Condition and Results of Operations
ITEM 7A.Quantitative and Qualitative Disclosures About Market Risk
ITEM 8.Financial Statements and Supplementary Data
ITEM 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
ITEM 9A.Controls and Procedures
ITEM 9B.Other Information
ITEM 9C.��Disclosure Regarding Foreign Jurisdictions that Prevent Inspections
PART III 
ITEM 10.Directors, Executive Officers and Corporate Governance
ITEM 11.Executive Compensation
ITEM 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
ITEM 13.Certain Relationships and Related Transactions, and Director Independence
ITEM 14.Principal Accounting Fees and Services
PART IV 
ITEM 15.Exhibits,Exhibit and Financial Statement Schedules
ITEM 16.Form 10-K Summary
SIGNATURES 

(i)


PART I

ITEM 1.  Business

General

EOG Resources, Inc., a Delaware corporation organized in 1985, together with its subsidiaries (collectively, EOG), explores for, develops, produces and markets crude oil, natural gas liquids (NGLs) and natural gas primarily in major producing basins in the United States of America (United States or U.S.), Thethe Republic of Trinidad and Tobago (Trinidad), The People's Republic of China (China), the Sultanate of Oman (Oman) and, from time to time, select other international areas.  EOG's principal producing areas are further described in "Exploration and Production" below.  EOG's Annual Reports on Form 10-K, Quarterly Reports on Form 10‑Q, Current Reports on Form 8-K and any amendments to those reports (including related exhibits and supplemental schedules) filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (as amended) are made available, free of charge, through EOG's website, as soon as reasonably practicable after such reports have been filed with, or furnished to, the United States Securities and Exchange Commission (SEC).  EOG's website address is www.eogresources.com. Information on our website is not incorporated by reference into, and does not constitute a part of, this report.

At December 31, 2020,2022, EOG's total estimated net proved reserves were 3,2204,238 million barrels of oil equivalent (MMBoe), of which 1,5141,661 million barrels (MMBbl) were crude oil and condensate reserves, 8131,145 MMBbl were NGLs reserves and 5,3608,591 billion cubic feet (Bcf), or 8931,432 MMBoe, were natural gas reserves (see "Supplemental Information to Consolidated Financial Statements").  At such date, approximately 98%99% of EOG's net proved reserves, on a crude oil equivalent basis, were located in the United States 1% in Trinidad and 1% in other international areas.Trinidad.  Crude oil equivalent volumes are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet (Mcf) of natural gas.

EOG's operations are all crude oil and natural gas exploration and production related. For information regarding the risks associated with EOG's domestic and foreign operations, see ITEM 1A, Risk Factors.

EOG'sEOG operates under a consistent business and operational strategy is to maximizethat focuses predominantly on maximizing the rate of return on investment of capital by controlling operating and capital costs and maximizing reserve recoveries. Pursuant to this strategy, each prospective drilling location is evaluated by its estimated rate of return. This strategy is intended to enhance the generation of cash flow and earnings from each unit of production on a cost-effective basis, allowing EOG to delivermaximize long-term growth in shareholder value and maintain a strong balance sheet.  EOG is focused on innovation and cost-effective utilization of advanced technology associated with three-dimensional seismic and microseismic data, the development of reservoir simulation models and the use of improved drilling equipment and completion technologies for horizontal drilling and formation evaluation.  These advanced technologies are used, as appropriate, throughout EOG to reduce the risks and costs associated with all aspects of oil and gas exploration, development and exploitation.  EOG implements its strategy primarily by emphasizing the drilling of internally generated prospects in order to find and develop low-cost reserves.  Maintaining the lowest possible operating cost structure, coupled with efficient and safe operations and robust environmental stewardship practices and performance, is integral in the implementation of EOG's strategy.

With respect to information on EOG's working interest in wells or acreage, "net" oil and gas wells or acreage are determined by multiplying "gross" oil and gas wells or acreage by EOG's working interest in the wells or acreage.

Exploration and Production

United States Operations

EOG's operations are located in most of the productive basins in the United States with a focus on crude oil and, to a lesser extent, liquids-rich natural gas plays.

At December 31, 2020,2022, on a crude oil equivalent basis, 48%40% of EOG's net proved reserves in the United States were crude oil and condensate, 26%27% were NGLs and 26%33% were natural gas. The majority of these reserves are in long-lived fields with well-established production characteristics. EOG believes that opportunities exist to increase production through continued development in and around many of these fields and through the utilization of applicable technologies. EOG also maintains an active exploration program designed to extend fields and add new trends and resource plays to its already broad portfolio.

1


The following is a summary of significant developments during 2020wellhead volume statistics and anticipated 2021 plansnet well completions for the year ended December 31, 2022, total net acres at December 31, 2022, and expected net well completions planned for 2023 for certain areas of EOG's United States operations.

20202021
202220222023
Area of OperationArea of Operation
Crude Oil & Condensate Volumes
(MBbld) (1)
Natural Gas Liquids Volumes
(MBbld) (1)
Natural Gas Volumes
(MMcfd) (1)
Total Net Acres (in thousands)Net Well CompletionsExpected Net Well CompletionsArea of Operation
Crude Oil & Condensate Volumes
(MBbld) (1)
Natural Gas Liquids Volumes
(MBbld) (1)
Natural Gas Volumes
(MMcfd) (1)
Total Net Acres (in thousands)Net Well CompletionsExpected Net Well Completions
Delaware BasinDelaware Basin277.0 138.8 764 395 358 365 
South TexasSouth Texas162 33 281 1,138 223 160 South Texas133.3 32.7 336 1,139 125 185 
Delaware Basin183 75 460 404 247 275 
Rocky MountainRocky Mountain49 14 159 1,167 56 50 Rocky Mountain42.1 13.7 135 764 31 55 
Mid-Continent10 14 87 310 15 <5
Other AreasOther Areas— 53 851 15 Other Areas8.3 12.5 80 1,184 19 20 
TotalTotal408 136 1,040 3,870 548 ~500Total460.7 197.7 1,315 3,482 533 625 
(1)Thousand barrels per day or million cubic feet per day, as applicable.

The South Texas area includes our Eagle Ford play and our newly announced Dorado gas play.EOG holds approximately 516,000 total net acres in the prolific oil window of the Eagle Ford and approximately 163,000 net acres in the Dorado prospect area.During the second and third quarters of 2020, EOG significantly curtailed its Eagle Ford oil production due to low crude oil prices; operations in the Eagle Ford returned to normal by the end of the third quarter of 2020.In the Dorado play, with the onset of the pandemic and resulting market downturn, EOG elected to defer its 2020 drilling program and instead focus on gathering and analyzing data regarding the production performance of its 2019 Dorado drilling program.In 2020, EOG completed 213 net Eagle Ford wells and, late in 2020, acquired and completed one net Dorado well to further delineate the play.In 2021, EOG expects to complete approximately 145 net Eagle Ford wells and to drill and complete approximately 15 net Dorado wells.

In the Delaware Basin, EOG completed 247358 net wells during 2020,in 2022, primarily in the Delaware Basin Wolfcamp, Bone Spring and Leonard plays. The Delaware Basin consists of approximately 4,800 feet of oil richoil-rich stacked pay potential offering EOG multiple co-development opportunities throughout its 404,000 total395,000 net acreageacre position.

In the Delaware Basin Upper Wolfcamp play, EOG has approximately 226,000 net acres and completed 166196 net wells in 2020.2022. EOG continued its Upperto focus on co-development of multiple Wolfcamp development plan with well spacing as close as 500 feet intargets to maximize the crude oil portionvalue of the play and 880 feet in the combination crude oil and natural gas portion.acreage. In addition to the Upper Wolfcamp, EOG completed 7 net wells in 2020 in the newly announced Middle Wolfcamp play and has identified 193,000 net prospective acres. Continued improvement and excellent results in the Delaware Basin Wolfcamp program were supported by optimized well spacing, enhanced well completions, precision drilling and continued cost reductions. Moving forward into 2021,2023, the Delaware Basin Wolfcamp play will continue to be a primary area of focus.

In the Bone Spring play, EOG has three main sub-plays: the First, Second and Third Bone Spring. In 2020,2022, EOG completed 56141 total net Bone Spring wells within the three sub-plays on its combined 289,000 net prospective acres.sub-plays. Of the three sub-plays, the Second Bone Spring had the majority of the activity in 20202022 with EOG completing 42106 net wells. The Bone Spring plays continueplay continues to be an integral part of EOG’sEOG's Delaware Basin plans and portfolio.

In the Leonard play, EOG holds approximately 160,000 net acres and maintainedexecuted its development plan with 1821 net wells completed in 2020. With a strategy2022. EOG continued co-development of developing deeper targets first whilemultiple Leonard zones simultaneously, collecting data from the shallow targets,and expects the Leonard play will progressivelyto become a more active part of EOG’s program.EOG's program in the next several years.

Activity in 20212023 will remain focused on the Delaware Basin Wolfcamp, Bone Spring, and Leonard plays, where EOG expects to complete approximately 275365 net wells.

2The South Texas area includes our Eagle Ford play and our Dorado gas play. EOG holds approximately 537,000 total net acres in the Eagle Ford play and approximately 160,000 net acres in the Dorado gas play. In the Dorado gas play, EOG has continued to delineate the Eagle Ford and Austin Chalk formations with excellent results. In 2022, EOG completed 103 net wells in the Eagle Ford play, and 22 net wells in the Dorado gas play. In 2023, EOG expects to complete approximately 155 net Eagle Ford play wells and 30 net Dorado wells.


Activity in the Rocky Mountain area in 20202022 was focused on the Wyoming Powder River Basin. In the Powder River Basin, EOG operated a one-rigtwo-rig program and completed 3527 net wells in the Niobrara, Mowry, Turner and Parkman formations. In addition, key infrastructure was added in order to lower operating costs and increase price realizations going forward.realizations. In addition, in the DJ Basin, EOG operated one rig for a partial yeardrilled and completed 17two net wells in both the Codell formation and, the Niobrara formations. Activity in the DJ Basin is expected to be minimal in 2021 as development continues to shift to the Powder River Basin. In the Williston Basin, EOG completed 3two net wells in the Bakken and Three Forks.Forks formations. In 2020, production2023, activity in the Rocky Mountain area andRockies is expected to increase. EOG plans to complete approximately 10 net Williston Basin was significantly curtailed, primarily in the second quarter, in response to crude oil price declines, but has subsequently returned to normal levels. In 2021, activity will be focused on developmentwells, five net DJ Basin wells and 40 net wells in the Powder River Basin with plans to complete approximately 45 net wells. EOG currently holds approximately 1.2 million net acres in the Rocky Mountain area.Basin.

In the Mid-Continent area, EOG continued its development of the Woodford Oil Window play with 15 net wells completed during 2020. EOG holds approximately 37,000 net acres in the play and plans to have minimal activity in 2021.
2


Operations Outside the United States

EOG has operations offshore Trinidad in the China Sichuan Basin, Oman and in Canada and is making preparations to drill offshore Australia, as well as evaluating additional exploration, development and exploitation opportunities in these and other select international areas. In addition, EOG is in the process of exiting Block 36 and Block 49 in the Sultanate of Oman (Oman) and is executing an abandonment and reclamation program in Canada.

Trinidad. EOG, through its subsidiaries, including EOG Resources Trinidad Limited, holds interests in (i) the exploration and production licenses covering the South East Coast Consortium (SECC) Block, Pelican and Banyan Fields, Sercan Area and each of their related platforms and facilities and the Ska, Mento, Reggae and deep Teak, Saaman and Poui Areas, all of which are offshore Trinidad; and (ii) a production sharing contract with the Government of Trinidad and Tobago for each of the Modified U(a), and 4(a) Blocks. EOG relinquished its interest in the Modified U(b) and 4(a) Blocks.Block in the fourth quarter of 2022.

Several fields in the SECC, Modified U(a), Modified U(b) and 4(a) Blocks, Banyan Field and Sercan Area have been developed and are producing natural gas and crude oil and condensate.condensate, with the exception of the Modified U(b) Block in which EOG ceased to have an interest in the production of natural gas and crude oil and condensate in the fourth quarter of 2022.

In 2020,March 2021, EOG signed a farmout agreement with Heritage Petroleum Company Limited (Heritage), which allows EOG to earn a 65% working interest in a portion of the contract area (EOG Area) governed by the Trinidad Northern Area License. The EOG Area is located offshore the southwest coast of Trinidad. In 2022, EOG drilled one net exploratory well, which was determined to be unsuccessful.

In 2022, EOG's net production in Trinidad averaged approximately 180 MMcfd of natural gas and approximately 1.00.6 MBbld of crude oil and condensate. In 2020,2022, EOG drilled three net wells and completed two net wells. The remaining net well made a discovery that is being evaluated. All wells discovered commercially economic reserves.

In 2021, EOG expects to focus on the design, fabrication and fabricationinstallation of thea platform and related infrastructurefacilities for theits previously announced discovery made in the Modified U(a) Block. Additionally, two exploratory wells from a pre-existing platform in the Modified U(a) Block were successfully drilled and put on production.

In addition,2023, EOG expects to continue its exploration program.complete three developmental and two exploratory wells in the Modified U(a) Block. Additionally, EOG expects to make progress on the design and construction of a platform and related facilities in the Mento Area.

ChinaAustralia.. Since 2008, In April 2021, a subsidiary of EOG has been developing the Baijaochang Fieldentered into a purchase and sale agreement to acquire a 100% interest in the Chuan ZhongWA-488-P Block, located offshore Western Australia. In November 2021, the petroleum exploration area inpermit for that block was transferred to that subsidiary.

In 2022, EOG continued preparing for the Sichuan Basin, Sichuan Province, China with its partner, PetroChina, under a production sharing contract. In 2020, EOG's net production averaged approximately 26 MMcfddrilling of natural gas. EOG continues to work with PetroChina to ensure uninterrupted production.an exploration well, the timing of which will depend on obtaining regulatory approvals and subsequent equipment availability.

Oman. In September 2020, EOG, reached an agreement with APEX Oman (Block 36) Inc. to acquirethrough its entire interestsubsidiaries, holds interests in Block 36 in Oman. The Royal Decree was issued on October 28, 2020 at which point EOG became the operator and held all rights under the Exploration and Production Sharing Agreement forAgreements in Block 36. Additionally, in December 2020 the Ministry of Energy36 and Minerals for Oman approved the assignment of Block 49 to EOG pursuant to the terms of the farm-in agreement with Tethys Oil Montasar Limited. (collectively, Blocks) located in Oman.In accordance with the terms of the farm-in agreement EOG participated in the drilling of an2021, EOG's partner finished completing one net exploratory well which was in progress at December 31, 2020. In 2021,Block 49 and EOG expects to drilldrilled two net explorationexploratory wells in Block 36.The well results did not indicate sufficient projected returns for EOG to move forward with the project and, in 2022, EOG began the process of exiting these Blocks.

Canada. EOG maintains approximately 47,000 net acres in the Horn River area in Northeast British Columbia. In March 2020, EOG began the process of exiting its Canada operations.operations in the Horn River area in Northeast British Columbia.

3


Marketing

In 2020,2022, EOG continued its diversified approach to marketing its wellhead crude oil and condensate production. The majority of EOG's United States wellhead crude oil and condensate production was transported by pipeline to downstream markets with the remainder sold into local markets. Major U.S. sales areas accessed by EOG were at various locations along the U.S. Gulf Coast, including Houston and Corpus Christi, Texas; Cushing, Oklahoma; the Permian Basin and the Midwest. In 2020,2022, EOG also sold crude oil at the Houston Ship Channel and the Port of Corpus Christi for export to foreign destinations. In each case, the price received was based on market prices at that specific sales point or based on the price index applicable for that location. In 2021,2023, the pricing mechanism for such production is expected to remain the same. At December 31, 2020,2022, EOG was committed to deliver to multiple parties fixed quantities of crude oil of 87 MMBbls in 2021,2023, 7 MMBbls in 2024 and 1 MMBbls in 2025, all of which is expected to be deliveredsourced from future production of available reserves.

In 2020,2022, EOG processed certain of its United States wellhead natural gas production, either at EOG-owned facilities or at third-party facilities, extracting NGLs. NGLs were sold at prevailing market prices, into either local markets or downstream locations. In certain instances, EOG exchanged its NGLNGLs production for purity products received downstream, which were sold at prevailing market prices. In 2021,2023, such pricing mechanisms are expected to remain the same. In 2022, EOG also sold purity products at the Houston Ship Channel for export to foreign destinations. In each case, the price received was based on market prices at that specific sales point or based on the price index applicable for that location. In 2023, the pricing mechanism for such production is expected to remain the same. At December 31, 2022, EOG was not committed to deliver fixed quantities of NGLs in 2023.

In 2020,2022, consistent with its diversified marketing strategy, the majority of EOG's United States wellhead natural gas production was transported by pipeline to various locations, including Katy, Texas; East Texas; the Agua Dulce Hub in South Texas; the Cheyenne Hub in Weld County, Colorado; Southern California; and Chicago, Illinois. Remaining natural gas production was sold into local markets. In each case, pricing was based on the spot market price at the ultimate sales point. In 2021,2023, the pricing mechanism for such production is expected to remain the same. Additionally, EOG sells natural gas to a liquefied natural gas liquefaction facility near Corpus Christi, Texas, and receives pricing based on the Platts Japan Korea Marker. At December 31, 2020,2022, EOG was committed to deliver to multiple parties fixed quantities of natural gas of 170 Bcf in 2021, 105 Bcf in 2022, 91347 Bcf in 2023, 94321 Bcf in 2024, 81277 Bcf in 2025, 297 Bcf in 2026, 293 Bcf in 2027 and 1,6093,540 Bcf thereafter, all of which is expected to be deliveredsourced from future production of available reserves.

In 2020, a majority of the wellhead2022, natural gas volumes from Trinidad were sold under contracts with prices which were either wholly or partially dependent on Caribbean ammonia index prices and/or methanol prices. The remaining volumes were sold under a contract at prices partially dependent on United States Henry Hub market prices or under a fixed price contract. In 2021,July 2022, EOG amended the natural gas volumes fromsales contract with the National Gas Company of Trinidad will be sold under a fixedand Tobago Limited and its subsidiary (NGC) to (i) extend the term to 2026 and (ii) effective September 1, 2020, provide for an increase in price contract ending in 2026.

In 2020, all wellhead natural gas volumes from China were sold at regulatedrealization if index prices based on the purchaser's pipeline sales volumes to various local market segments.for certain commodities exceed specified levels. The pricing mechanism for production in ChinaTrinidad is expected to remain the same in 2021.2023.

In certain instances, EOG purchases and sells third-party crude oil and natural gas in order to balance firm transportation capacity at third-party facilities with production in certain areas and to utilize excess capacity at EOG-owned facilities.


4


During 2020,2022, three purchasers each accounted for more than 10% of EOG's total wellhead crude oil and condensate, NGLs and natural gas revenues and gathering, processing and marketing revenues. The three purchasers are in the crude oil refining industry. EOG does not believe that the loss of any single purchaser would have a materially adverse effect on its financial condition or results of operations.

4


Wellhead Volumes and Prices

The following table sets forth certain information regarding EOG's wellhead volumes of, and average prices for, crude oil and condensate, NGLs and natural gas. The table also presents crude oil equivalent volumes which are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 Mcf of natural gas for each of the years ended December 31, 2020, 20192022, 2021 and 2018.2020. See ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations - Results of Operations, for wellhead volumes on a per-day basis.

Year Ended December 31Year Ended December 31202020192018Year Ended December 31202220212020
Crude Oil and Condensate Volumes (MMBbl) (1)
Crude Oil and Condensate Volumes (MMBbl) (1)
Crude Oil and Condensate Volumes (MMBbl) (1)
United States:United States:United States:
Eagle Ford54.6 68.3 62.4 
Eagle Ford PlayEagle Ford Play46.6 51.8 54.6 
Delaware BasinDelaware Basin67.0 63.4 46.3 Delaware Basin101.1 84.3 67.0 
OtherOther27.8 34.6 35.4 Other20.3 25.7 27.8 
United StatesUnited States149.4 166.3 144.1 United States168.0 161.8 149.4 
TrinidadTrinidad0.4 0.2 0.3 Trinidad0.3 0.5 0.4 
Other International (2)
Other International (2)
— 0.1 1.6 
Other International (2)
— — — 
TotalTotal149.8 166.6 146.0 Total168.3 162.3 149.8 
Natural Gas Liquids Volumes (MMBbl) (1)
Natural Gas Liquids Volumes (MMBbl) (1)
  
Natural Gas Liquids Volumes (MMBbl) (1)
  
United States:United States:  United States:  
Eagle Ford9.7 10.7 11.4 
Eagle Ford PlayEagle Ford Play10.5 9.0 9.7 
Delaware BasinDelaware Basin27.7 23.5 15.8 Delaware Basin50.7 30.9 27.7 
OtherOther12.4 14.7 15.3 Other10.9 12.8 12.4 
United StatesUnited States49.8 48.9 42.5 United States72.1 52.7 49.8 
Other International (2)
Other International (2)
— — — 
Other International (2)
— — — 
TotalTotal49.8 48.9 42.5 Total72.1 52.7 49.8 
Natural Gas Volumes (Bcf) (1)
Natural Gas Volumes (Bcf) (1)
  
Natural Gas Volumes (Bcf) (1)
  
United States:United States: United States: 
Eagle Ford53 53 58 
Eagle Ford PlayEagle Ford Play52 55 53 
Delaware BasinDelaware Basin168 147 110 Delaware Basin279 238 168 
OtherOther160 190 169 Other149 149 160 
United StatesUnited States381 390 337 United States480 442 381 
TrinidadTrinidad66 95 97 Trinidad66 79 66 
Other International (2)
Other International (2)
11 14 11 
Other International (2)
— 11 
TotalTotal458 499 445 Total546 524 458 
Crude Oil Equivalent Volumes (MMBoe) (3)
Crude Oil Equivalent Volumes (MMBoe) (3)
  
Crude Oil Equivalent Volumes (MMBoe) (3)
  
United States:United States:  United States:  
Eagle Ford73.1 87.8 83.5 
Eagle Ford PlayEagle Ford Play65.8 70.0 73.1 
Delaware BasinDelaware Basin122.7 111.4 80.3 Delaware Basin198.3 154.9 122.7 
OtherOther66.9 81.0 78.8 Other56.0 63.3 66.9 
United StatesUnited States262.7 280.2 242.6 United States320.1 288.2 262.7 
TrinidadTrinidad11.4 16.0 16.5 Trinidad11.4 13.7 11.4 
Other International (2)
Other International (2)
1.8 2.4 3.4 
Other International (2)
— 0.6 1.8 
TotalTotal275.9 298.6 262.5 Total331.5 302.5 275.9 




5





Year Ended December 31Year Ended December 31202020192018Year Ended December 31202220212020
Average Crude Oil and Condensate Prices ($/Bbl) (4)
Average Crude Oil and Condensate Prices ($/Bbl) (4)
Average Crude Oil and Condensate Prices ($/Bbl) (4)
United StatesUnited States$38.65 $57.74 $65.16 United States$97.22 $68.54 $38.65 
TrinidadTrinidad30.20 47.16 57.26 Trinidad86.16 56.26 30.20 
Other International (2)
Other International (2)
43.08 57.40 71.45 
Other International (2)
— 42.36 43.08 
CompositeComposite38.63 57.72 65.21 Composite97.21 68.50 38.63 
Average Natural Gas Liquids Prices ($/Bbl) (4)
Average Natural Gas Liquids Prices ($/Bbl) (4)
Average Natural Gas Liquids Prices ($/Bbl) (4)
United StatesUnited States$13.41 $16.03 $26.60 United States$36.70 $34.35 $13.41 
Other International (2)
Other International (2)
— — — 
Other International (2)
— — — 
CompositeComposite13.41 16.03 26.60 Composite36.70 34.35 13.41 
Average Natural Gas Prices ($/Mcf) (4)
Average Natural Gas Prices ($/Mcf) (4)
Average Natural Gas Prices ($/Mcf) (4)
United StatesUnited States$1.61 $2.22 $2.88 United States$7.27 $4.88 $1.61 
TrinidadTrinidad2.57 2.72 2.94 Trinidad4.43 (5)3.40 2.57 
Other International (2)
Other International (2)
4.66 4.44 4.08 
Other International (2)
— 5.67 4.66 
CompositeComposite1.83 2.38 2.92 Composite6.93 4.66 1.83 
(1)Million barrels or billion cubic feet, as applicable.
(2)Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
(3)Million barrels of oil equivalent; includes crude oil and condensate, NGLs and natural gas. 
(4)Dollars per barrel or per thousand cubic feet, as applicable.  Excludes the impact of financial commodity derivative instruments (see Note 12 to Consolidated Financial Statements).
(5)Includes positive revenue adjustment of $0.76 per Mcf ($0.09 per Mcf of EOG's composite wellhead natural gas price) for the twelve months ended December 31, 2022, related to a price adjustment per a provision of the natural gas sales contract with NGC amended in July 2022 for natural gas sales during the period from September 2020 through June 2022.

Human Capital Management

As of December 31, 2020,2022, EOG employed approximately 2,9002,850 persons, including foreign national employees. EOG's approach to human capital management includes oversight by the Board of Directors (Board) and the Compensation and Human Resources Committee of the Board and focuses on various areas, including the following:

Culture; Recruiting; Retention.Retention. EOG's unique culture is key to its sustainable success.By providing employees with a quality work environment in which to work, and by maintaining a consistent college recruiting and internship program, EOG is able to attract and retain some of the industry's best and brightest. To help assess the effectiveness of its approach to human capital management, EOG conducts an annual employee engagement survey. Based on the results of the survey, EOG has received "top workplace" recognition in various office locations.

Compensation, Benefits, Health & Wellness.EOG places a high level of importance onvalues attracting and retaining top talent, by providingand so it provides competitive salaries, bonuses and a subsidized, comprehensive benefits package. EOG also offers a holistic wellness program, a matching gifts program, a flexible work schedule, paid family care leave, paid leave for illness or injury and an employee assistance program to support the mental well-being of employees and their dependents.In addition, with new-hire stock grants, annual stock grants and an annualemployee stock grant program,purchase plan give every employee isthe opportunity to be a participant in EOG's success.

In 2020, in response to the COVID-19 pandemic, EOG focused on keeping its employees and their families safe, including providing technology and support to employees enabling them to work productively from home. In addition, at its offices and work sites, EOG has instituted social distancing practices and protocols and has provided masks, hand sanitizer and additional cleaning.

Training and Development.EOG supports employees’ professional development and provides training in leadership, management skills, communication, team effectiveness, technical skills and development and use of EOG systems and applications.EOG's leadership training, in particular, is focused on providing continuity of leadership at EOG by further developing the skills needed to lead a multi-disciplined, diverse and decentralized workforce.In addition, EOG holds several internal technical conferences each year designed to share best practices and technical advances across the company, including safety and environmental topics.EOG also offers its employees a tuition reimbursement program as well as reimbursement for the costcosts of professional certification.certifications.


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Diversity and Inclusion. Gender,EOG values gender, racial, ethnic and cultural diversity and works to foster a collaborative work environment of different talents, perspectives and experiences. EOG believes such diversity in background and experience leads topromotes diversity of thought, which is a tremendous assethelps drive innovation. EOG continues to raise employee awareness to help advance diversity and is actively embraced byinclusion efforts within EOG. AsFurther, as reflected in its Code of Business Conduct and Ethics for Directors, Officers and Employees, EOG is committed to providing equal opportunity in all aspects of employment and to hiring, evaluating and promoting employees based on skills and performance. EOG's collaborative culture fosters inclusiveness at all levels of the company. Further, EOG focuses on developing its employees, including those with diverse backgrounds, to allow for career opportunities, including promotion into supervisory and management positions.

Safety.EOG's safety management programs and processes are centered on a performance-based philosophy, pursuant to which EOG sets safety expectations and providesprovide a framework within which management can achieve and assessfor assessing safety performance in a systematic way.EOG's safety performance is also considered in evaluating employee performance and compensation.EOG provides initial, periodic and refresher safety training to employees as well as to contractors and others who may work at or visit EOG's facilities.contractors. These training programs address various topics, including operating procedures, safe work practices and emergency and incident response procedures.

Competition

EOG competes with major integrated oil and gas companies, government-affiliated oil and gas companies and other independent oil and gas companies for the acquisition of licenses and leases, properties and reserves and access to the facilities, equipment, materials, services, and employees and other personnel (including geologists, geophysicists, engineers and other specialists) required to explore for, develop, produce, market and transport crude oil, NGLs and natural gas.Certain of EOG's competitors have financial and other resources substantially greater than those EOG possesses and have established strategic long-term positions or strong governmental relationships in countries or areas in which EOG may seek new or expanded entry.As a consequence, EOG may be at a competitive disadvantage in certain respects, such as in bidding for drilling rights or in accessing necessary services, facilities, equipment, materials and personnel.In addition, EOG's larger competitors may have a competitive advantage when responding to factors that affect demand for crude oil, NGLs and natural gas, such as changing worldwide prices and levels of production and the cost and availability of alternative fuels.EOG also faces competition from competing energy sources, such as renewable energy sources.See ITEM 1A, Risk Factors.

Regulation

2020 ElectionGeneral.. In November 2020, Joseph R. Biden Jr. was elected President of the United States. New or revised rules, regulations and policies may be issued, and new legislation may be proposed, during the current administration that could impact the oil and gas exploration and production industry. Such rules, regulations, policies and legislation may affect, among other things, (i) permitting for oil and gas drilling on federal lands, (ii) the leasing of federal lands for oil and gas development, (iii) the regulation of greenhouse gas (GHG) emissions and/or other climate change-related matters associated with oil and gas operations, (iv) the use of hydraulic fracturing on federal lands, (v) the calculation of royalty payments in respect of oil and gas production from federal lands, and (vi) U.S. federal income tax laws applicable to oil and gas exploration and production companies. Seecompanies and (vii) the use of financial derivative instruments to hedge the financial impact of fluctuations in crude oil, NGLs and natural gas prices. For additional discussion regarding the regulatory-related risks to which EOG's operations, financial condition and results of operations are or may be subject, see the below discussion and ITEM 1A, Risk Factors, for additional information.Factors.

United States Regulation of Crude Oil and Natural Gas Production. Crude oil and natural gas production operations are subject to various types of regulation, including regulation by federal and state agencies.

United States legislation affecting the oil and gas industry is under constant review for amendment or expansion.In addition, numerous departments and agencies, both federal and state, are authorized by statute to issue, and have issued, rules and regulations applicable to the oil and gas industry.Such rules and regulations, among other things, require permits for the drilling of wells, regulate the spacing of wells, prevent the waste of natural gas through restrictions on flaring, require surety bonds for various exploration and production operations and regulate the calculation and disbursement of royalty payments (for federal and state leases), production taxes and ad valorem taxes.

A portion of EOG's oil and gas leases in New Mexico, North Dakota, Utah Wyoming and the Gulf of Mexico,Wyoming, as well as in other areas, are granted by the federal government and administered by the Bureau of Land Management (BLM) and/or the Bureau of Indian Affairs (BIA) or, in the case of offshore leases (which, for EOG, are de minimis), by the Bureau of Ocean Energy Management (BOEM) and the Bureau of Safety and Environmental Enforcement (BSEE), all federal agencies.Operations conducted by EOG on federal oil and gas leases must comply with numerous additional statutory and regulatory restrictions and, in the case of leases relating to tribal lands, certain tribal environmental and permitting requirements and employment rights regulations.In addition, the U.S. Department of the Interior (via various of its agencies, including the BLM, the BIA and the Office of Natural Resources Revenue) has certain authority over our calculation and payment of royalties, bonuses, fines, penalties, assessments and other revenues related to our federal and tribal oil and gas leases. In addition, the Inflation Reduction Act of 2022 (IRA) requires that all leases granted and administered by the BLM and entered into on or after August 16, 2022 include a royalty rate of 16.67 percent in respect of the associated oil and gas production.

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BLM, BIA and BOEM leases contain relatively standardized terms requiring compliance with detailed regulations and, in the case of offshore leases, orders pursuant to the Outer Continental Shelf Lands Act (which are subject to change by the BOEM or BSEE).Under certain circumstances, the BLM, BIA, BOEM or BSEE (as applicable) may require operations on federal leases to be suspended or terminated.Any such suspension or termination could materially and adversely affect EOG's interests on federal lands. Further, on January 27, 2021, President Biden issued Executive Order 14008 entitled "TacklingFrom time to time, the Climate Crisis at Home and Abroad," directing the SecretaryU.S. Department of the Interior to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to, among other things, pause approval ofhas also considered limiting or pausing new oil and natural gas leases on federal lands or in offshore waters pending completion of a comprehensive review and reconsideration of federal oil and gas permitting and leasing practices.waters. Any limitation or ban on permitting for oil and gas exploration and production activities on federal lands could have a material and adverse effect on EOG's operations, financial condition and results of operations.

The transportation and sale for resale of natural gas in interstate commerce are regulated pursuant to the Natural Gas Act of 1938, as amended (NGA), and the Natural Gas Policy Act of 1978. These statutes are administered by the Federal Energy Regulatory Commission (FERC). Effective January 1993, the Natural Gas Wellhead Decontrol Act of 1989 deregulated natural gas prices for all "first sales" of natural gas, which includes all sales by EOG of its own production. All other sales of natural gas by EOG, such as those of natural gas purchased from third parties, remain jurisdictional sales subject to a blanket sales certificate under the NGA, which has flexible terms and conditions. Consequently, all of EOG's sales of natural gas currently may be made at unregulated market prices, subject to applicable contract provisions. EOG's jurisdictional sales, however, may be subject in the future to greater federal oversight, including the possibility that the FERC might prospectively impose more restrictive conditions on such sales. Conversely, sales of crude oil and condensate and NGLs by EOG are made at unregulated market prices.

EOG owns certain gathering and/or processing facilities supporting EOG's operations in the Permian Basin in West Texas and New Mexico, the Powder River Basin in Wyoming, the Fort Worth Basin Barnett Shale in North Texas, the Williston Basin Bakken and Three Forks plays in North Dakota, and the Eagle Ford play and Dorado gas play in South Texas.State regulation of gathering and processing facilities generally includes various safety, environmental and, in some circumstances, nondiscrimination requirements with respect to the provision of gathering and processing services, but does not generally entail rate regulation.EOG's gathering and processing operations could be materially and adversely affected should they be subject in the future to the application of state or federal regulation of rates and services.

EOG's gathering and processing operations also may be, or become, subject to safety and operational regulations relating to the design, installation, testing, construction, operation, replacement and management of such facilities.Additional rules and legislation pertaining to these matters are considered and/or adopted from time to time.Although EOG cannot predict what effect, if any, such legislation might have on its operations and financial condition, EOG could be required to incur additional capital expenditures and increased compliance and operating costs depending on the nature and extent of such future legislative and regulatory changes.

EOG also owns crude oil rail loading facilities in North Dakota and crude oil truck unloading facilities in certain of its U.S. plays.Regulation of such facilities is conducted at the state and federal levels and generally includes various safety, environmental and permitting and packaging/labeling requirements.Additional regulation pertaining to these matters is considered and/or adopted from time to time.Although EOG cannot predict what effect, if any, any such new regulations might have on its crude-by-rail assets and the transportation of its crude oil production by truck, EOG could be required to incur additional capital expenditures and increased compliance and operating costs depending on the nature and extent of such future regulatory changes.EOG did not transport any crude oil by rail during 2020.2022.

Proposals and proceedings that might affect the oil and gas industry are considered from time to time by Congress, the state legislatures, the FERC and other federal, state and local regulatory commissions, agencies, councils and courts.EOG cannot predict when or whether any such proposals or proceedings may become effective.It should also be noted that the oil and gas industry historically has been very heavily regulated; therefore, there is no assurance that the approach currently being followed by such legislative bodies and regulatory commissions, agencies, councils and courts will remain unchanged.

Environmental Regulation Generally - United States. EOG is subject to various federal, state and local laws and regulations covering the discharge or release of materials into the environment or otherwise relating to the protection of the environment.These laws and regulations affect EOG's operations and costs as a result of their effect on crude oil and natural gas exploration, development and production operations.operations and related activities (e.g., carbon capture and storage). Failure to comply with these laws and regulations may result in the assessment of administrative, civil and criminal penalties, including the assessment of monetary penalties, the imposition of investigatory and remedial obligations, the suspension or revocation of necessary permits, licenses and authorizations, the requirement that additional pollution controls be installed and the issuance of orders enjoining future operations or imposing additional compliance requirements.


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In addition, EOG has acquired certain oil and gas properties from third parties whose actions with respect to the management and disposal or release of hydrocarbons or other wastes were not under EOG's control. Under environmental laws and regulations, EOG could be required to remove or remediate wastes disposed of or released by prior owners or operators. EOG also could incur costs related to the clean-up of third-party sites to which it sent regulated substances for disposal or to which it sent equipment for cleaning, and for damages to natural resources or other claims related to releases of regulated substances at such third-party sites. In addition, EOG could be responsible under environmental laws and regulations for oil and gas properties in which EOG previously owned or currently owns an interest, but was or is not the operator. Moreover, EOG is subject to the U.S. Environmental Protection Agency's (U.S. EPA) rule requiring annual reporting of GHG emissions and, as discussed further below, is also subject to federal, state and local laws and regulations regarding hydraulic fracturing and other aspects of our operations.

Compliance with environmental laws and regulations increases EOG's overall cost of business, but has not had, to date, a material adverse effect on EOG's operations, financial condition, or results of operations.operations or capital expenditures (for environmental control facilities or otherwise). In addition, it is not anticipated, based on current laws and regulations, that EOG will be required in the near future to expend amounts (whether for environmental control facilities or otherwise) that are material in relation to its total exploration and development expenditure program in order to comply with such laws and regulations. However, given that such laws and regulations are subject to change, EOG is unable to predict (i) the timing, scope and effect of any currently proposed or future laws or regulations regarding the environment and (ii) the ultimate cost of compliance or the ultimate effect on EOG's operations, financial condition, and results of operations.operations and capital expenditures relating to such future laws and regulations. The direct and indirect cost of such laws and regulations (if enacted) could materially and adversely affect EOG's operations, financial condition, results of operations and capital expenditures.

Climate Change - United States. Local, state, federal and international regulatory bodies have been increasingly focused on GHG emissions and climate change issues in recent years. The U.S. Congress has, from time to time, proposed legislation for imposing restrictions or requiring fees or carbon taxes for GHG emissions. The IRA imposes a methane emissions charge on certain oil and gas facilities, including onshore and offshore petroleum and natural gas production facilities, that exceed certain emissions thresholds. The charges will be levied annually based on emissions reported under the EPA's GHG reporting program. The U.S. EPA is expected to publish, in the first half of 2023, regulations specific to the calculation of such annual charge. EOG does not currently expect such annual methane emissions charges to have a material impact on its financial condition, results of operations, capital expenditures or operations.

In addition to the U.S. EPA's rule requiring annual reporting of GHG emissions from covered facilities (which is amended from time to time and under which EOG reports), the U.S. EPA has adopted regulations for certain large sources regulating GHG emissions as pollutants under the federal Clean Air Act. Further, the U.S. EPA, in May 2016, issued regulations that require operators to reduce methane emissions and emissions of volatile organic compounds (VOC) from new, modified and reconstructed crude oil and natural gas wells and equipment located at natural gas production gathering and booster stations, gas processing plants and natural gas transmission compressor stations. In September 2020,November 2021, the EPA proposed a rule to further reduce methane and VOC emissions from new and existing sources in the oil and natural gas sector and, in November 2022, the U.S. EPA issued a finalsupplemental proposal to expand its November 2021 proposed rule, that removed the transmissionincluding proposed regulation of additional sources of methane and storage segment from the 2016 new source performance standards, rescinded VOC emissions, such as abandoned and methane emissions standards for the transmission and storage segment and rescinded methane emissions standards for the production and processing segments. Various states and industry and environmental groups are separately challenging the U.S. EPA's 2016 standards and its September 2020 final rule. Notwithstanding the current court challenges, the U.S. EPA under the Biden Administration may reconsider the September 2020 final rule, which could result in more stringent methane emission rulemaking.unplugged wells.

At the international level, the U.S., in December 2015, participated in the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change in Paris, France. The Paris Agreement (adopted at the conference) calls for nations to undertake efforts with respect to global temperatures and GHG emissions. The Paris Agreement went into effect on November 4, 2016. While the U.S. withdrew from the Paris Agreement on November 4, 2020, President Biden issued an executive order on January 20, 2021 recommitting2016, and which the United States to the Paris Agreement.formally rejoined in February 2021. The United States has established economy-wide targets of (i) reducing its net GHG emissions by 50-52 percent below 2005 levels by 2030 and (ii) achieving net zero GHG emissions economy-wide by no later than 2050. In addition, many state and local officials have stated their intent to intensify efforts to uphold the commitments set forth in the international accord. Further, on January 27, 2021, President Biden issued Executive Order 14008 entitled "Tackling the Climate Crisis at Home and Abroad," directing the Secretary of the Interior, to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to, among other things, consider whether to adjust royalties associated with oil and gas resources extracted from federal lands and offshore waters to account for corresponding climate costs.

EOG believes that its strategy to reduce GHG emissions throughout its operations is both in the best interest of the environment and a prudent business practice. EOG has developed a system that is utilized in calculating GHG emissions from its operating facilities. This emissions management system calculates emissions based on recognized regulatory methodologies, where applicable, and on commonly accepted engineering practices. EOG reports GHG emissions for facilities covered under the U.S. EPA's Mandatory Reporting of Greenhouse Gases Rule published in 2009, as amended.


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EOG is unable to predict the timing, scope and effect of any currently proposed or future investigations, laws, regulations, treaties or policies regarding climate change and GHG emissions (including any laws and regulations that may be enacted in the U.S. by the new administration)), but the direct and indirect costs of such developmentsinvestigations, laws, regulations, treaties or policies (if enacted, issued or applied) could materially and adversely affect EOG's operations, financial condition, and results of operations.operations and capital expenditures. The potential increase in the costs of our operations could include costs to operate and maintain our facilities, install new emissions controls on our facilities, acquire allowances or credits to cover our GHG emissions, pay taxes or fees related to our GHG emissions, or administer and manage a GHG emissions program. In addition, changes in regulatory policies that result in a reduction in the demand for hydrocarbon products that are deemed to contribute to GHG emissions, or restrictions on their use, could also adversely affect market demand for, and in turn the prices we receive for our production of, crude oil, NGLs and natural gas. Further, the increasing attention to global climate change risks has created the potential for a greater likelihood of governmental investigations and private and public litigation, which could increase our costs or otherwise adversely affect our business. See ITEM 1A, Risk Factors, for additional discussion regarding climate change-related developments.

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Regulation of Hydraulic Fracturing and Other Operations - United States. Substantially all of the onshore crude oil and natural gas wells drilled by EOG are completed and stimulated through the use of hydraulic fracturing. Hydraulic fracturing technology, which has been used by the oil and gas industry for more than 60 years and is constantly being enhanced, enables EOG to produce crude oil and natural gas that otherwise would not be recovered.Specifically, hydraulic fracturing is a process in which pressurized fluid is pumped into underground formations to create tiny fractures or spaces that allow crude oil and natural gas to flow from the reservoir into the well so that it can be brought to the surface.Hydraulic fracturing generally takes place thousands of feet underground, a considerable distance below any drinking water aquifers, and there are impermeable layers of rock between the area fractured and the water aquifers.The makeup of the fluid used in the hydraulic fracturing process typically includes water and sand, and less than 1% of highly diluted chemical additives; lists of the chemical additives used in fracturing fluids are available to the public via internet websites and in other publications sponsored by industry trade associations and through state agencies in those states that require the reporting of the components of fracturing fluids.While the majority of the sand remains underground to hold open the fractures, a significant amount of the water and chemical additives flow back and are then either reused or safely disposed of at sites that are approved and permitted by the appropriate regulatory authorities. EOG periodically conducts regulatory assessments of these disposal facilities to monitor compliance with applicable regulations.

The regulation of hydraulic fracturing is primarily conducted at the state and local level through permitting and other compliance requirements. In April 2012, however, the U.S. EPA issued regulations specifically applicable to the oil and gas industry that require operators to significantly reduce VOC emissions from natural gas wells that are hydraulically fractured through the use of "green completions" to capture natural gas that would otherwise escape into the air. The U.S. EPA has also issued regulations that establish standards for VOC emissions from several types of equipment, including storage tanks, compressors, dehydrators, and valves and sweetening units at gas processing plants. In addition, in May 2016, the U.S. EPA issued regulations that require operators to reduce methane and VOC emissions from new, modified and reconstructed crude oil and natural gas wells and equipment located at natural gas production gathering and booster stations, gas processing plants and natural gas transmission compressor stations. In September 2020,November 2021, the U.S. EPA proposed a rule to further reduce methane and VOC emissions from new and existing sources in the oil and natural gas sector and, in November 2022, the U.S. EPA issued amendmentsa supplemental proposal to the 2012further strengthen and 2016 new source performance standards, which removed the transmission and storage segment from the new source performance standards, rescinded VOC and methane emissions standards for the transmission and storage segment, and rescinded methane emissions standards for the production and processing segments.

expand its November 2021 proposal. From time to time, there have been various other proposals to regulate hydraulic fracturing at the federal level. In addition, there were proposals and positions taken by President Biden during his campaign regarding the use of hydraulic fracturing on federal lands and waters. Further, on January 27, 2021, President Biden issued Executive Order 14008 entitled "Tackling the Climate Crisis at Home and Abroad," directing the Secretary of the Interior, to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to, among other things, pause approval of new oil and natural gas leases on federal lands or in offshore waters pending completion of a comprehensive review and reconsideration of federal oil and gas permitting and leasing practices.

In addition to the above-described federal regulations, some state and local governments have imposed, or have considered imposing, various conditions and restrictions on drilling and completion operations, including requirements regarding casing and cementing of wells; testing of nearby water wells; restrictions on access to, and usage of, water; disclosure of the chemical additives used in hydraulic fracturing operations; restrictions on the type of chemical additives that may be used in hydraulic fracturing operations; and restrictions on drilling or injection activities on certain lands lying within wilderness wetlands, ecologically or seismically sensitive areas, and other protected areas. Such federal, state and local permitting and disclosure requirements, operating restrictions, conditions or prohibitionprohibitions could lead to operational delays and increased operating and compliance costs and, moreover, could delay or effectively prevent the development of crude oil and natural gas from formations which would not be economically viable without the use of hydraulic fracturing.


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Compliance with laws and regulations relating to hydraulic fracturing and other aspects of our operations increases EOG's overall cost of business, but has not had, to date, a material adverse effect on EOG's operations, financial condition, or results of operations.operations or capital expenditures (for environmental control facilities or otherwise). In addition, it is not anticipated, based on current laws and regulations, that EOG will be required in the near future to expend amounts that are material in relation to its total exploration and development expenditure program in order to comply with such laws and regulations. However, EOG is unable to predict (i) the timing, scope and effect of any currently proposed or future laws or regulations regarding hydraulic fracturing in the United States or other aspects of our operations and (ii) the ultimate cost of compliance or the ultimate effect on EOG's operations, financial condition, and results of operations and capital expenditures relating to such future laws and regulations. The direct and indirect costs of such laws and regulations (if enacted) could materially and adversely affect EOG's operations, financial condition, and results of operations.operations and capital expenditures.

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Other International Regulation. EOG's exploration and production operations outside the United States are subject to various types of regulations, including environmental regulations, imposed by the respective governments of the countries in which EOG's operations are conducted, and may affect EOG's operations and costs of compliance within those countries. EOG currently has operations in Trinidad, China and Canada, and an exploration program in Oman. EOG is unable to predict the timing, scope and effect of any currently proposed or future laws, regulations or treaties, including those regarding climate change and hydraulic fracturing, but the direct and indirect costs of such laws, regulations and treaties (if enacted) could materially and adversely affect EOG's operations, financial condition, and results of operations.operations and capital expenditures. EOG will continue to review the risks to its business and operations outside the United States associated with all environmental matters, including climate change and hydraulic fracturing regulation. In addition, EOG will continue to monitor and assess any new policies, legislation, regulations and treaties in the areas outside the United States where it operates to determine the impact on its operations and take appropriate actions, where necessary.

Other Regulation. EOG has sand mining and processing operations in Texas and Wisconsin, which support EOG's exploration and development operations. EOG's sand mining operations are subject to regulation by the federal Mine Safety and Health Administration (in respect of safety and health matters) and by state agencies (in respect of air permitting and other environmental matters). The information concerning mine safety violations and other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.104) is included in Exhibit 95 to this report.

For additional discussion regarding the regulatory-related risks to which EOG's operations, financial condition and results of operations are or may be subject, see ITEM 1A, Risk Factors.

Other Matters

Energy Prices. EOG is a crude oil and natural gas producer and is impacted by changes in the prices for crude oil and condensate, NGLs and natural gas. During the last three years, average United States commodity prices have fluctuated, at times rather dramatically. Average crude oil and condensate prices received by EOG for production in the United States increased 42% in 2022, increased 77% in 2021 and decreased 33% in 2020, and 11% in 2019 and increased 28% in 2018, each as compared to the immediately preceding year. EOG's quarterly price realizations ranged from $20.40 per barrel to $46.97 per barrel in 2020. Average NGLNGLs prices received by EOG for production in the United States increased 7% in 2022, increased 156% in 2021 and decreased 16% in 2020, and 40% in 2019 and increased 18% in 2018, each as compared to the immediately preceding year. These fluctuations resultedFluctuations in a 27% decrease in the average wellhead natural gas priceprices received by EOG for production in the United States resulted in 2020, a 23%49% increase in 2022, a 203% increase in 2021, and a 27% decrease in 2019, and a 31% increase (inclusive of a positive revenue adjustment of $0.44 per Mcf related to the adoption of Accounting Standards Update 2014-09) in 2018,2020, each as compared to the immediately preceding year.

Due to the many uncertainties associated with the world political and economic environment (for example, the actions of other crude oil exporting nations, including the Organization of Petroleum Exporting Countries, and the duration and impact of the ongoing COVID-19 pandemic)Countries), the global supply of, and demand for, crude oil, NGLs and natural gas and the availability of other energy supplies, the relative competitive relationships of the various energy sources in the view of consumers and other factors, EOG is unable to predict what changes may occur in the prices of crude oil and condensate, NGLs and natural gas in the future. For additional discussion regarding changes in crude oil and condensate, NGLs and natural gas prices, the potential impacts on EOG and the risks that such changes may present to EOG, see ITEM 1A, Risk Factors.

Including the impact of EOG's crude oil and NGLfinancial derivative contracts (exclusive of basis swaps) and based on EOG's tax position, EOG's price sensitivity in 20212023 for each $1.00 per barrel increase or decrease in wellhead crude oil and condensate price, combined with the estimated change in NGLNGLs price, is approximately $99$137 million for net income and $127$175 million for pretax cash flows from operating activities. Including the impact of EOG's natural gas financial derivative contracts and based on EOG's tax position and the portion of EOG's anticipated natural gas volumes for 20212023 for which prices have not been determined under long-term marketing contracts, EOG's price sensitivity for each $0.10 per Mcf increase or decrease in wellhead natural gas price is approximately $31$35 million for net income and $40$44 million for pretax cash flows from operating activities. For a summary of EOG's financial commodity derivative contracts through February 18, 2021,16, 2023, see ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations - Capital Resources and Liquidity - Financial Commodity Derivative Transactions. For a summary of EOG's financial commodity derivative contracts for the twelve monthsyear ended December 31, 2020,2022, see Note 12 to Consolidated Financial Statements.


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Risk Management. EOG engages in price risk management activities from time to time. These activities are intended to manage EOG's exposure to fluctuations in prices of crude oil, NGLs and natural gas. EOG utilizes financial commodity derivative instruments, primarily price swap, option, swaption, collar and basis swap contracts, as a means to manage this price risk. See Note 12 to Consolidated Financial Statements. For a summary of EOG's financial commodity derivative contracts through February 18, 2021,16, 2023, see ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations ‑ Capital Resources and Liquidity - Financial Commodity Derivative Transactions.

All of EOG's crude oil, NGLNGLs and natural gas activities are subject to the risks normally incident to the exploration for, and development, production and transportation of, crude oil, NGLNGLs and natural gas, including rig and well explosions, cratering, fires, loss of well control and leaks and spills, each of which could result in damage to life, property and/or the environment. EOG's operations are also subject to certain perils, including hurricanes, tropical storms, flooding, winter storms and other adverse weather events. Moreover, EOG's activities are subject to governmental regulations as well as interruption or termination by governmental authorities based on environmental and other considerations. Losses and liabilities arising from such events could reduce EOG's revenues and increase costs to EOG to the extent not covered by insurance.

Insurance is maintained by EOG against some, but not all, of these risks in accordance with what EOG believes are customary industry practices and in amounts and at costs that EOG believes to be prudent and commercially practicable. Specifically, EOG maintains commercial general liability and excess liability coverage provided by third-party insurers for bodily injury or death claims resulting from an incident involving EOG's operations (subject to policy terms and conditions). Moreover, in the event anfor any incident involving EOG's operations which results in negative environmental effects, EOG maintains operators extra expense coverage provided by third-party insurers for obligations, expenses or claims that EOG may incur from such an incident, including obligations, expenses or claims in respect of seepage and pollution, cleanup and containment, evacuation expenses and control of the well (subject to policy terms and conditions). In the event of a well control incident resulting in negative environmental effects, such operators extra expense coverage would be EOG's primary coverage, with the commercial general liability and excess liability coverage referenced above also providing certain coverage to EOG. All of EOG's drilling activities are conducted on a contractual basis with independent drilling contractors and other third-party service contractors. The indemnification and other risk allocation provisions included in such contracts are negotiated on a contract-by-contract basis and are each based on the particular circumstances of the services being provided and the anticipated operations.

In addition to the above-described risks, EOG's operations outside the United States are subject to certain risks, including the risk of increases in taxes and governmental royalties, changes in laws and policies governing the operations of foreign-based companies, expropriation of assets, unilateral or forced renegotiation, modification or nullification of existing contracts with governmental entities, currency restrictions and exchange rate fluctuations. Please refer to ITEM 1A, Risk Factors, for further discussion of the risks to which EOG is subject with respect to its operations outside the United States.

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Information About Our Executive Officers

The current executive officers of EOG and their names and ages (as of February 25, 2021)23, 2023) are as follows:
NameAgePosition
William R. ThomasEzra Y. Yacob6846Chairman of the Board and Chief Executive Officer
Lloyd W. Helms, Jr.63Chief Operating Officer
Ezra Y. Yacob4465President and Chief Operating Officer
Kenneth W. Boedeker5860Executive Vice President, Exploration and Production
Jeffrey R. Leitzell43Executive Vice President, Exploration and Production
Timothy K. Driggers5961Executive Vice President and Chief Financial Officer
Michael P. Donaldson5860Executive Vice President, General Counsel and Corporate Secretary


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William R. ThomasEzra Y. Yacob was electedappointed Chairman of the Board, effective October 2022, and elected Chief Executive Officer and appointed as a Director effective October 2021.Prior to that, he served as President from January 2014. He was elected Senior2021 through September 2021; Executive Vice President, Exploration and Production from December 2017 to January 2021; and Vice President and General Manager of EOG's Fort Worth,Midland, Texas office in June 2004, Executive Vice President and Generalfrom May 2014 to December 2017.He also previously served as Manager, ofDivision Exploration in EOG's Fort Worth, Texas, officeand Midland, Texas, offices from March 2012 to May 2014 as well as in February 2007various geoscience and Senior Executive Vice President, Exploitation in February 2011. He subsequently served as Senior Executive Vice President, Exploration from July 2011 to September 2011, as President from September 2011 to July 2013 and as President and Chief Executive Officer from July 2013 to December 2013. leadership positions.Mr. ThomasYacob joined a predecessor of EOG in January 1979. Mr. Thomas is EOG's principal executive officer.August 2005.

Lloyd W. Helms, Jr. was elected President and Chief Operating Officer ineffective October 2021.Mr. Helms has served as Chief Operating Officer since December 2017. Prior to that, he served as Executive Vice President, Exploration and Production from August 2013 to December 2017. He was elected Vice President, Engineering and Acquisitions in September 2006, Vice President and General Manager of EOG's Calgary, Alberta, Canada office in March 2008, and served as Executive Vice President, Operations from February 2012 to August 2013. Mr. Helms joined a predecessor of EOG in February 1981.

Ezra Y. Yacob was elected President effective January 2021.Prior to that, he served as Executive Vice President, Exploration and Production from December 2017 to January 2021 and as Vice President and General Manager of EOG's Midland, Texas, office from May 2014 to December 2017.He also previously served as Manager, Division Exploration in EOG's Fort Worth, Texas, and Midland, Texas, offices from March 2012 to May 2014 as well as in various geoscience and leadership positions.Mr. Yacob joined EOG in August 2005.

Kenneth W. Boedeker was elected Executive Vice President, Exploration and Production in December 2018.  He served as Vice President and General Manager of EOG's Denver, Colorado, office from October 2016 to December 2018, and as Vice President, Engineering and Acquisitions from July 2015 to October 2016.  Prior to that, Mr. Boedeker held technical and managerial positions of increasing responsibility across multiple offices and functional areas within EOG.  Mr. Boedeker joined EOG in July 1994.

Jeffrey R. Leitzell was elected Executive Vice President, Exploration and Production in May 2021. Mr. Leitzell previously served as Vice President and General Manager of EOG's Midland, Texas office from December 2017 to May 2021 and as Operations Manager in Midland from August 2015 to December 2017.Prior to that, Mr. Leitzell held various engineering roles of increasing responsibility in multiple offices and functional areas within EOG.Mr. Leitzell joined EOG in October 2008.

Timothy K. Driggers was elected Executive Vice President and Chief Financial Officer in April 2016. Previously, Mr. Driggers served as Vice President and Chief Financial Officer from July 2007 to April 2016. He was elected Vice President and Controller of EOG in October 1999, was subsequently named Vice President, Accounting and Land Administration in October 2000 and Vice President and Chief Accounting Officer in August 2003. Mr. Driggers is EOG's principal financial officer. Mr. Driggers joined a predecessor of EOG in August 1995.

Michael P. Donaldson was elected Executive Vice President, General Counsel and Corporate Secretary in April 2016. Previously, Mr. Donaldson served as Vice President, General Counsel and Corporate Secretary from May 2012 to April 2016. He was elected Corporate Secretary in May 2008, and was appointed Deputy General Counsel and Corporate Secretary in July 2010. Mr. Donaldson joined EOG in September 2007.

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ITEM 1A. Risk Factors

Our business and operations are subject to many risks.The risks described below may not be the only risks we face, as our business and operations may also be subject to risks that we do not yet know of, or that we currently believe are immaterial.If any of the events or circumstances described below actually occurs, our business, financial condition, results of operations or cash flows could be materially and adversely affected and the trading price of our common stock could decline.The following risk factors should be read in conjunction with the other information contained herein, including the consolidated financial statements and the related notes.Unless the context requires otherwise, “we,” “us,” “our”"we," "us," "our" and “EOG”"EOG" refer to EOG Resources, Inc. and its subsidiaries.

Risks Related to our Financial Condition, Results of Operations and Cash Flows

Crude oil, NGLs and natural gas and NGL prices are volatile, and a substantial and extended decline in commodity prices can have a material and adverse effect on us.

Prices for crude oil and natural gas (including prices for natural gas liquids (NGLs) and condensate) fluctuate widely. Among the interrelated factors that can or could cause these price fluctuations are:

domestic and worldwide supplies of, and consumer and industrial/commercial demand for, crude oil, NGLs and natural gas;
domestic and international drilling activity;
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the actions of other crude oil producing and exporting nations, including the Organization of Petroleum Exporting Countries;
consumer and industrial/commercial demand for crude oil, natural gas and NGLs;
worldwide economic conditions, geopolitical factors and political conditions, including, but not limited to, the imposition of tariffs or trade or other economic sanctions, political instability or armed conflict in oil and gas producing regions;
the duration and economic and financial impact of epidemics, pandemics or other public health issues, such as the ongoing COVID-19 pandemic;
the availability, proximity and capacity of appropriate transportation, gathering, processing, compression, storage, refining and refiningexport facilities;
the price and availability of, and demand for, competing energy sources, including alternative energy sources;
the effect of worldwide energy conservation measures, alternative fuel requirements and climate change-related initiatives;legislation, policies, initiatives and developments;
technological advances and consumer and industrial/commercial behavior, preferences and attitudes, in each case affecting energy generation, transmission, storage and consumption;
the nature and extent of governmental regulation, including any changes or other actions which may result from the recent elections in the United States of America (United States or U.S.) and change in administration, and including environmental and other climate change-related regulation, regulation of derivativesfinancial derivative transactions and hedging activities, tax laws and regulations and laws and regulations with respect to the import and export of crude oil, NGLs, and natural gas and related commodities;
the level and effect of trading in commodity futures markets, including trading by commodity price speculators and others; and
natural disasters, weather conditions and changes in weather patterns.

In the first half of 2020, the prices for crude oil, NGLs and natural gas declined substantially as a result of the economic downturn and overall reduction of demand prompted by the COVID-19 pandemic and the oversupply of crude oil from certain foreign oil-exporting countries. In the second half of 2020, (i) the prices for NGLs and natural gas recovered to pre-pandemic levels and (ii) the prices for crude oil increased but remain significantly below pre-pandemic levels.

The above-described factors and the volatility of commodity prices make it difficult to predict crude oil, NGLs and natural gas prices in 20212023 and thereafter. As a result, there can be no assurance that the prices for crude oil, NGLs and/or natural gas will continue tosustain, or increase from, or sustain, their current levels, nor can there be any assurance that the prices for crude oil, NGLs and/or natural gas will not again decline.

Our cash flows, financial condition and results of operations depend to a great extent on prevailing commodity prices.Accordingly, substantial and extended declines in commodity prices can materially and adversely affect the amount of cash flows we have available for our capital expenditures and operating expenses,expenses; the terms on which we can access the credit and capital markets andmarkets; our results of operations.operations; and our financial condition, including (but not limited to) our ability to pay dividends on our common stock. As a result, the trading price of our common stock may be materially and adversely affected.

Lower commodity prices can also reduce the amount of crude oil, NGLs and natural gas that we can produce economically.Substantial and extended declines in the prices of these commodities can render uneconomic a portion of our exploration, development and exploitation projects, resulting in our having to make downward adjustments to our estimated proved reserves and also possibly shut in or plug and abandon certain wells.In addition, significant prolonged decreases in commodity prices may cause the expected future cash flows from our properties to fall below their respective net book values, which would require us to write down the value of our properties.Such reserve write-downs and asset impairments can materially and adversely affect our results of operations and financial position and, in turn, the trading price of our common stock.

In fact, the substantial declines in crude oil, NGLs and natural gas prices that occurred in the first half of 2020 materially and adversely affected the amount of cash flows we had available for our 2020 capital expenditures and operating expenses, our results of operations during the first half of 2020 and the trading price of our common stock.Such commodity price declines also resulted in aggregate impairment charges of approximately $1.8 billion in the first half of 2020 with respect to our proved oil and gas properties and related assets. Such declines in commodity prices also resulted in our making a downward adjustment of 278 million barrels of oil equivalent to our estimated net proved reserves at December 31, 2020.

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If commodity prices decline from current levels for an extended periodOur cost-mitigation initiatives and actions may not offset, largely or at all, the impacts of time,inflationary pressures on our financial condition,operating costs and capital expenditures.

Beginning in the second half of 2021 and continuing throughout 2022, we, similar to other companies in our industry, experienced inflationary pressures on our operating costs and capital expenditures - namely the costs of fuel, steel (i.e., wellbore tubulars and facilities manufactured using steel), labor and drilling and completion services. Such inflationary pressures on our operating and capital costs, which we currently expect to continue in 2023, have impacted our cash flows and results of operationsoperations. We have undertaken, and plan to continue with, certain initiatives and actions (such as agreements with service providers to secure the costs and availability of services) to mitigate such inflationary pressures. However, there can be no assurance that such efforts will be adversely affected and we may be limited in our ability to maintain our current leveloffset, largely or at all, the impacts of dividendsany future inflationary pressures on our common stock.In addition, we may be required to incur additional impairment charges and/or make additional downward adjustments tooperating costs and capital expenditures and, in turn, our proved reserve estimates.As a result, our financial conditioncash flows and results of operationsoperations. For additional discussion, see ITEM 7, Management's Discussion and the trading priceAnalysis of our common stock may be materiallyFinancial Condition and adversely affected.Results of Operations – Overview – Recent Developments.

We have substantial capital requirements, and we may be unable to obtain needed financing on satisfactory terms, if at all.

We make, and willexpect to continue to make, substantial capital expenditures for the acquisition, exploration, development production and transportationproduction of crude oil, NGLs and natural gas reserves.We intend to finance our capital expenditures primarily through our cash flows from operations and sales of non-core assetscash on hand and, to a lesser extent and if and as necessary, commercial paper borrowings, bank borrowings, borrowings under our revolving credit facility and public and private equity and debt offerings.

Lower crude oil, NGLs and natural gas prices, however, reduce our cash flows and could also delay or impair our ability to consummate certainany planned non-core asset sales and divestitures. Further, if the condition of the credit and capital markets materially declines, we might not be able to obtain financing on terms we consider acceptable, if at all. In addition, weakness and/or volatility in domestic and global financial markets or economic conditions or a depressed commodity price environment may increase the interest rates that lenders and commercial paper investors require us to pay or adversely affect our ability to finance our capital expenditures through equity or debt offerings or other borrowings.

Similarly, a reduction in our cash flows (for example, as a result of lower crude oil, natural gas and/or NGLs prices or unanticipated well shut-ins) and the corresponding adverse effect on our financial condition and results of operations may also increase the interest rates that lenders and commercial paper investors require us to pay. A substantial increase in interest rates would decrease our net cash flows available for reinvestment.Any of these factors could have a material and adverse effect on our business, financial condition and results of operations.

Further, our ability to obtain financings, our borrowing costs and the terms of any financings are, in part, dependent on the credit ratings assigned to our debt by independent credit rating agencies.The interrelated factors that may impact our credit ratings include our debt levels; planned capital expenditures and sales of assets; near-term and long-term production growth opportunities; liquidity; asset quality; cost structure; product mix; and commodity pricing levels (including, but not limited to, the estimates and assumptions of credit rating agencies with respect to future commodity prices).We cannot provide any assurance that our current credit ratings will remain in effect for any given period of time or that our credit ratings will be raised in the future, nor can we provide any assurance that any of our credit ratings will not be lowered.

In addition, companies in the oil and gas sector may be exposed to increasing reputational risks and, in turn, certain financial risks. Specifically, certain financial institutions (including certain investment advisors and sovereign wealth, pension and endowment funds), in response to concerns related to climate change and the requests and other influence of environmental groups and similar stakeholders, have elected to shift some or all of their investments away from oil and gas-related sectors, and additional financial institutions and other investors may elect to do likewise in the future. As a result, fewer financial institutions and other investors may be willing to invest in, and provide capital to, companies in the oil and gas sector. A material reduction in capital available to the oil and gas sector could make it more difficult (e.g., due to a lack of investor interest in our equity or debt securities) and/or more costly (e.g., due to higher interest rates on our debt securities or other borrowings) to secure funding for our operations, which, in turn, could adversely affect our ability to successfully carry out our business strategy and have a material and adverse effect on our business, financial condition and operations.

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Reserve estimates depend on many interpretations and assumptions.Any significant inaccuracies in these interpretations and assumptions could cause the reported quantities of our reserves to be materially misstated.

Estimating quantities of crude oil, NGLs and natural gas reserves and future net cash flows from such reserves is a complex, inexact process.It requires interpretations of available technical data and various assumptions, including assumptions relating to economic factors, made by our management.Any significant inaccuracies in these interpretations or assumptions could cause the reported quantities of our reserves and future net cash flows from such reserves to be overstated or understated.Also, the data for a given reservoir may also change substantially over time as a result of numerous factors including, but not limited to, additional development activity, evolving production history, continual reassessment of the viability of production under varying economic conditions and improvements and other changes in geological, geophysical and engineering evaluation methods.

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To prepare estimates of our economically recoverable crude oil, NGLs and natural gas reserves and future net cash flows from our reserves, we analyze many variable factors, such as historical production from the area compared with production rates from other producing areas.We also analyze available geological, geophysical, production and engineering data, and the extent, quality and reliability of this data can vary.The process also involves economic assumptions relating to commodity prices, production costs, gathering, processing, compression, storage and transportation costs, severance, ad valorem and other applicable taxes, capital expenditures and workover and remedial costs.Many of these factors are or may be beyond our control.Our actual reserves and future net cash flows from such reserves most likely will vary from our estimates.Any significant variance, including any significant downward revisions to our existing reserve estimates, could materially and adversely affect our business, financial condition and results of operations and, in turn, the trading price of our common stock.For related discussion, see ITEM 2, Properties - Oil and Gas Exploration and Production - Properties and Reserves and Supplemental Information to Consolidated Financial Statements.

If we fail to acquire or find sufficient additional reserves over time, our reserves and production will decline from their current levels.

The rate of production from crude oil and natural gas properties generally declines as reserves are produced.Except to the extent that we conduct successful exploration, exploitation and development activities resulting in additional reserves, acquire additional properties containing reserves or, through engineering studies, identify additional behind-pipe zones or secondary recovery reserves, our reserves will decline as they are produced.Maintaining our production of crude oil, NGLs and natural gas at, or increasing our production from, current levels, is, therefore, highly dependent upon our level of success in acquiring or finding additional reserves, which may be adversely impacted by bans or restrictions on drilling.To the extent we are unsuccessful in acquiring or finding additional reserves, our future cash flows and results of operations and, in turn, the trading price of our common stock could be materially and adversely affected.

Our ability to declare and pay dividends is subject to certain considerations.

Dividends are authorized and determined by our Board of Directors (Board) in its sole discretion and depend upon a number of factors, including:

cash available for dividends;
our results of operations and anticipated future results of operations;
our financial condition, especially in relation to the anticipated future capital expenditures and other commitments required to conduct our operations and carry out our business strategy;
our operating expenses;
the levels of dividends paid by comparable companies; and
other factors our Board deems relevant.

We expect to continue to pay dividends to our stockholders; however, our Board may reduce our dividend or cease declaring dividends at any time, including if it determines that our current or forecasted future cash flows provided by our operating activities (after deducting our capital expenditures and other commitments) are not sufficient to pay our desired levels of dividends to our stockholders or to pay dividends to our stockholders at all. Any reduction in the amount of dividends we pay to stockholders could have an adverse effect on the trading price of our common stock.

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Our hedging activities may prevent us from fully benefiting from increases in crude oil, NGLs and natural gas prices and may expose us to other risks, including counterparty risk.

We use financial derivative instruments (primarily financial basis swap, price swap, option, swaption and collar contracts) to hedge the impact of fluctuations in crude oil, NGLs and natural gas prices on our results of operations and cash flows.To the extent that we engage in hedging activities to protect ourselves against commodity price declines, we may be prevented from fully realizing the benefits of increases in crude oil, NGLs and natural gas prices above the prices established by our hedging contracts.A portion of our forecasted production for 2021 and 20222023 is subject to fluctuating market prices. If we are ultimately unable to hedge additional production volumes for 2021, 20222023 and beyond, we may be materially and adversely impacted by any declines in commodity prices, which may result in lower net cash provided by our operating activities.In addition, our hedging activities may expose us to the risk of financial loss in certain circumstances, including instances in which the counterparties to our hedging contracts fail to perform under the contracts.

The inability of our customers and other contractual counterparties to satisfy their obligations to us may have a material and adverse effect on us.

We have various customers for the crude oil, natural gas and related commodities that we produce as well as various other contractual counterparties, including several financial institutions and affiliates of financial institutions.Domestic and global economic conditions, including the financial condition of financial institutions generally, may adversely affect the ability of our customers and other contractual counterparties to pay amounts owed to us from time to time and to otherwise satisfy their contractual obligations to us, as well as their ability to access the credit and capital markets for such purposes.

Moreover, our customers and other contractual counterparties may be unable to satisfy their contractual obligations to us for reasons unrelated to these conditions and factors, such as (i) the unavailability of required facilities or equipment due to mechanical failure or market conditions.conditions or (ii) financial, operational or strategic actions taken by the customer or counterparty that adversely impact its financial condition, results of operations and cash flows and, in turn, its ability to satisfy its contractual obligations to us. Furthermore, if a customer is unable to satisfy its contractual obligation to purchase crude oil, natural gas or related commodities from us, we may be unable to sell such production to another customer on terms we consider acceptable, if at all, due to the geographic location of such production; the availability, proximity and capacity of appropriate gathering, processing, compression, storage, transportation, export and refining facilities; or market or other factors and conditions.

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The inability of our customers and other contractual counterparties to pay amounts owed to us and to otherwise satisfy their contractual obligations to us may materially and adversely affect our business, financial condition, results of operations and cash flows.

Risks Related to our Operations

Drilling crude oil and natural gas wells is a high-risk activity and subjects us to a variety of risks that we cannot control.

Drilling crude oil and natural gas wells, including development wells, involves numerous risks, including the risk that we may not encounter commercially productive crude oil, NGLs and/or natural gas reserves.As a result, we may not recover all or any portion of our investment in new wells.

Specifically, we often are uncertain as to the future cost or timing of drilling, completing and operating wells, and our drilling operations and those of our third-party operators may be curtailed, delayed or canceled, the cost of such operations may increase and/or our results of operations and cash flows from such operations may be impacted, as a result of a variety of factors, including:

unexpected drilling conditions;
leasehold title problems;
pressure or irregularities in formations;
equipment failures or accidents;
adverse weather conditions, such as winter storms, flooding, tropical storms and hurricanes, and changes in weather patterns;
compliance with, or changes in (including the adoption of new), environmental, health and safety laws and regulations relating to air emissions, hydraulic fracturing, access to and use of water, disposal or other discharge (e.g., into injection wells) of produced water, drilling fluids and other wastes, laws and regulations imposing conditions or restrictions on drilling and completion operations and on the transportation of crude oil, NGLs and natural gas, and other laws and regulations, such as tax laws and regulations;
the availability and timely issuance of required federal, state, tribal and other permits and licenses, which may be adversely affected by (among other things) bans or restrictions on drilling, government shutdowns or other suspensions of, or delays in, government services;
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the availability of, costs associated with and terms of contractual arrangements for properties, including mineral licenses and leases, pipelines, crude oil hauling trucks and qualified drivers and facilities and equipment to gather, process, compress, store, transport, market and export crude oil, NGLs and natural gas and related commodities; and
the costs of, or shortages or delays in the availability of, drilling rigs, hydraulic fracturing services, pressure pumping equipment and supplies, tubular materials, water, sand, disposal facilities, qualified personnel and other necessary facilities, equipment, materials, supplies and services.

Our failure to recover our investment in wells, increases in the costs of our drilling operations or those of our third-party operators, and/or curtailments, delays or cancellations of our drilling operations or those of our third-party operators, in each case, due to any of the above factors or other factors, may materially and adversely affect our business, financial condition and results of operations.For related discussion of the risks and potential losses and liabilities inherent in our crude oil and natural gas operations generally, see the immediately following risk factor.

Our crude oil, NGLs and natural gas operations and supporting activities and operations involve many risks and expose us to potential losses and liabilities, and insurance may not fully protect us against these risks and potential losses and liabilities.

Our crude oil, NGLs and natural gas operations and supporting activities and operations are subject to all of the risks associated with exploring and drilling for, and producing, gathering, processing, compressing, storing, transporting and transporting,exporting crude oil, NGLs and natural gas, including the risks of:

well blowouts and cratering;
loss of well control;
crude oil spills, natural gas leaks, formation water (i.e., produced water) spills and pipeline ruptures;
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pipe failures and casing collapses;
uncontrollable flows of crude oil, natural gas, formation water or drilling fluids;
releases of chemicals, wastes or pollutants;
adverse weather events, such as winter storms, flooding, tropical storms and hurricanes, and other natural disasters;
fires and explosions;
terrorism, vandalism and physical, electronic and cybersecurity breaches;
formations with abnormal or unexpected pressures;
leaks or spills in connection with, or associated with, the gathering, processing, compression, storage, transportation and transportationexport of crude oil, NGLs and natural gas; and
malfunctions of, or damage to, gathering, processing, compression, storage, transportation and transportationexport facilities and equipment and other facilities and equipment utilized in support of our crude oil and natural gas operations.

If any of these events occur, we could incur losses, liabilities and other additional costs as a result of:

injury or loss of life;
damage to, or destruction of, property, facilities, equipment and crude oil and natural gas reservoirs;
pollution or other environmental damage;
regulatory investigations and penalties as well as cleanup and remediation responsibilities and costs;
suspension or interruption of our operations, including due to injunction;
repairs necessary to resume operations; and
compliance with laws and regulations enacted as a result of such events.

We maintain insurance against many, but not all, such losses and liabilities in accordance with what we believe are customary industry practices and in amounts and at costs that we believe to be prudent and commercially practicable.However, the occurrence of any of these events and any losses or liabilities incurred as a result of such events, if uninsured or in excess of our insurance coverage, would reduce the funds available to us for our operations and could, in turn, have a material and adverse effect on our business, financial condition and results of operations. In the future, we may not be able to maintain or obtain insurance of the type and amount we desire at reasonable rates. As a result of market conditions, premiums, retentions and deductibles for our insurance policies will change over time and could escalate. In addition, some forms of insurance may become unavailable or unavailable on economically acceptable terms.

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Our ability to sell and deliver our crude oil, NGLs and natural gas production could be materially and adversely affected if adequate gathering, processing, compression, storage, transportation, refining and export facilities and equipment are unavailable.

The sale of our crude oil, NGLs and natural gas production depends on a number of factors beyond our control, including the availability, proximity and capacity of, and costs associated with, gathering, processing, compression, storage, transportation, refining and export facilities and equipment owned by third parties.These facilities and equipment may be temporarily unavailable to us due to market conditions, regulatory reasons, mechanical reasons or other factors or conditions, and may not be available to us in the future on terms we consider acceptable, if at all.In particular, in certain newer plays, the capacity of gathering, processing, compression, storage, transportation, refining and export facilities and equipment may not be sufficient to accommodate potential production from existing and new wells.In addition, lack of financing, construction and permitting delays, permitting costs and regulatory or other constraints could limit or delay the construction, manufacture or other acquisition of new gathering, processing, compression, storage, transportation, refining and export facilities and equipment by third parties or us, and we may experience delays or increased costs in accessing the pipelines, gathering systems or railtransportation systems necessary to transport our production to points of sale or delivery.

Any significant change in market or other conditions affecting gathering, processing, compression, storage, transportation, refining and export facilities and equipment or the availability of these facilities and equipment, including due to our failure or inability to obtain access to these facilities and equipment on terms acceptable to us or at all, could materially and adversely affect our business and, in turn, our financial condition and results of operations.

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A portion of our crude oil, NGLs and natural gas production may be subject to interruptions that could have a material and adverse effect on us.

A portion of our crude oil, NGLs and natural gas production may be interrupted, or shut in, from time to time for various reasons, including, but not limited to, as a result of accidents, weather conditions, the unavailability of gathering, processing, compression, storage, transportation, refining or export facilities or equipment or field labor issues, or intentionally as a result of market conditions such as crude oil, NGLs or natural gas prices that we deem uneconomic.If a substantial amount of our production is interrupted or shut in, our cash flows and, in turn, our financial condition and results of operations could be materially and adversely affected.

Our operations are substantially dependent upon the availability of water. Restrictions on our ability to obtain water may have a material and adverse effect on our financial condition, results of operations and cash flows.

Water is an essential component of our operations, both during the drilling and hydraulic fracturing processes. Limitations or restrictions on our ability to secure sufficient amounts of water (including limitations resulting from natural causes such as drought) could materially and adversely impact our operations. Further, severe drought conditions can result in local authorities taking steps to restrict the use of water in their jurisdiction for drilling and hydraulic fracturing in order to protect the local water supply. If we are unable to obtain water to use in its operations from local sources, it may need to be obtained from new sources and transported to drilling sites, resulting in increased costs, which could have a material adverse effect on our financial condition, results of operations and cash flows.

We have limited control over the activities on properties that we do not operate.

Some of the properties in which we have an interest are operated by other companies and involve third-party working interest owners.As a result, we have limited ability to influence or control the operation or future development of such properties, including compliance with environmental, safety and other regulations, or the amount of capital expenditures that we will be required to fund with respect to such properties.Moreover, we are dependent on the other working interest owners of such projects to fund their contractual share of the capital expenditures of such projects.In addition, a third-party operator could also decide to shut-in or curtail production from wells, or plug and abandon marginal wells, on properties owned by that operator during periods of lower crude oil, NGLs or natural gas prices.These limitations and our dependence on the operator and third-party working interest owners for these projects could cause us to incur unexpected future costs, lower production and materially and adversely affect our financial condition and results of operations.

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If we acquire crude oil, NGLs and natural gas properties, our failure to fully identify existing and potential problems,issues, to accurately estimate reserves, production rates or costs, or to effectively integrate the acquired properties into our operations could materially and adversely affect our business, financial condition and results of operations.

From time to time, we seek to acquire crude oil and natural gas properties - for example, our October 2016 mergers and related asset purchase transactions with Yates Petroleum Corporation and certain of its affiliated entities.properties. Although we perform reviews of properties to be acquired in a manner that we believe is duly diligent and consistent with industry practices, reviews of records and properties may not necessarily reveal existing or potential problemsissues (such as title or environmental issues), nor may they permit us to become sufficiently familiar with the properties in order to fully assess their deficiencies and potential.Even when problemsissues with a property are identified, we often may assume environmental and other risks and liabilities in connection with acquired properties pursuant to the acquisition agreements.

In addition, there are numerous uncertainties inherent in estimating quantities of crude oil, NGLs and natural gas reserves (as discussed further above), actual future production rates and associated costs with respect to acquired properties. Actual reserves, production rates and costs may vary substantially from those assumed in our estimates. In addition, an acquisition may have a material and adverse effect on our business and results of operations, particularly during the periods in which the operations of the acquired properties are being integrated into our ongoing operations or if we are unable to effectively integrate the acquired properties into our ongoing operations.

Competition in the oil and gas exploration and production industry is intense, and some of our competitors have greater resources than we have.

We compete with major integrated oil and gas companies, government-affiliated oil and gas companies and other independent oil and gas companies for the acquisition of licenses and leases, properties and reserves and access to the facilities, equipment, materials, services and employees and other personnel (including geologists, geophysicists, engineers and other specialists) necessary to explore for, develop, produce, market and transport crude oil, NGLs and natural gas. Certain of our competitors have financial and other resources substantially greater than those we possess and have established strategic long-term positions or strong governmental relationships in countries or areas in which we may seek new or expanded entry. As a consequence, we may be at a competitive disadvantage in certain respects, such as in bidding for drilling rights or in accessing necessary services, facilities, equipment, materials and personnel. In addition, our larger competitors may have a competitive advantage when responding to factors that affect demand for crude oil, NGLs and natural gas, such as changing worldwide prices and levels of production and the cost and availability of alternative fuels. We also face competition from competing energy sources, such as renewable energy sources.

Risks Related to ESG/Sustainability, Regulatory and Legal Matters

Developments and concerns related to climate change may have a material and adverse effect on us.

Governmental and regulatory bodies, investors, consumers, industry and other stakeholders have been increasingly focused on climate change matters in recent years. This focus, together with changes in consumer and industrial/commercial behavior, preferences and attitudes with respect to the generation and consumption of energy, the use of crude oil, NGLs and natural gas and the use of products manufactured with, or powered by, crude oil, NGLs and natural gas, may result in (i) the enactment of climate change-related regulations, policies and initiatives (at the government, corporate and/or investor community levels), including alternative energy requirements, energy conservation measures and emissions-related legislation, (ii) technological advances with respect to the generation, transmission, storage and consumption of energy (e.g., wind, solar and hydrogen power, smart grid technology and battery technology) and (iii) increased availability of, and increased consumer and industrial/commercial demand for, non-hydrocarbon energy sources (e.g., alternative energy sources) and products manufactured with, or powered by, non-hydrocarbon sources (e.g., electric vehicles and renewable residential and commercial power supplies). These developments may adversely affect the demand for products manufactured with, or powered by, crude oil, NGLs and natural gas and the demand for, and in turn the prices of, the crude oil, NGLs and natural gas that we sell. See the risk factor above for a discussion of the impact of commodity prices (including fluctuations in commodity prices) on our financial condition, cash flows and results of operations.

In addition to potentially adversely affecting the demand for, and prices of, the crude oil, NGLs and natural gas that we produce and sell, such developments may also adversely impact, among other things, the availability to us of necessary third-party services and facilities that we rely on, which may increase our operational costs and adversely affect our ability to explore for, produce, transport and process crude oil, NGLs and natural gas and successfully carry out our business strategy. For further discussion of the potential impact of such availability-related risks on our financial condition and results of operations, see the discussion in the section above entitled "Risks Related to our Operations."

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Further, climate change-related developments may result in negative perceptions of the oil and gas industry and, in turn, reputational risks associated with the exploration for, and production of, hydrocarbons. Such negative perceptions and reputational risks may adversely affect our ability to successfully carry out our business strategy, for example, by adversely affecting the availability and cost of capital to us. For further discussion of the potential impact of such risks on our financial condition, cash flows and results of operations, see the discussion below in this section and in the section above entitled "Risks Related to Our Operations."

In addition, the enactment of climate change-related regulations, policies and initiatives (at the government, corporate and/or investor community levels) may also result in increases in our compliance costs and other operating costs. For further discussion regarding the risks to us of climate change-related regulations, policies and initiatives, see the discussion in this section. Also, continuing political and social concerns relating to climate change may have adverse effects on our business and operations, such as a greater potential for shareholder activism, governmental inquiries and enforcement actions and litigation (including, but not limited to, litigation brought by governmental entities and shareholder litigation) and resulting expenses and potential disruption to our day-to-day operations.

Regulatory, legislative and policy changes may materially and adversely affect the oil and gas exploration and production industry.

New or revised rules, regulations and policies may be issued, and new legislation may be proposed, that could impact the oil and gas exploration and production industry. Such rules, regulations, policies and legislation may affect, among other things, (i) permitting for oil and gas drilling on state, tribal and federal lands, (ii) the leasing of state, tribal and federal lands for oil and gas development, (iii) the regulation of greenhouse gas (GHG) emissions and/or other climate change-related matters associated with oil and gas operations, (iv) the use of hydraulic fracturing on state, tribal and federal lands, (v) the calculation of royalty payments in respect of oil and gas production from state, tribal and federal lands (including, but not limited to, an increase in applicable royalty percentages), (vi) U.S. federal income tax laws applicable to oil and gas exploration and production companies and (vii) the use of financial derivative instruments to hedge the financial impact of fluctuations in crude oil, NGLs and natural gas prices.

Further, such regulatory, legislative and policy changes may, among other things, result in additional permitting and disclosure requirements, additional operating restrictions and/or the imposition of various conditions and restrictions on drilling and completion operations or other aspects of our business, any of which could lead to operational delays, increased operating and compliance costs and/or other impacts on our business and operations and could materially and adversely affect our business, results of operations, financial condition and capital expenditures.

For related discussion, see the below risk factors regarding legislative and regulatory matters impacting the oil and gas exploration and production industry and the discussion in ITEM 1, Business - Regulation.

We incur certain costs to comply with government regulations, particularly regulations relating to environmental protection and safety, and could incur even greater costs in the future.

Our crude oil, NGLs and natural gas operations and supporting activities are regulated extensively by federal, state, tribal and local governments and regulatory agencies, both domestically and in the foreign countries in which we do business, and are subject to interruption or termination by governmental and regulatory authorities based on environmental, health, safety or other considerations. Moreover, we have incurred and will continue to incur costs in our efforts to comply with the requirements of environmental, health, safety and other regulations. Further, the regulatory environment could change in ways that we cannot predict and that might substantially increase our costs of compliance and/or adversely affect our business and operations and, in turn, materially and adversely affect our results of operations, financial condition and capital expenditures.

Specifically, as a current or past owner or lessee and operator of crude oil and natural gas properties, we are subject to various federal, state, tribal, local and foreign regulations relating to the discharge of materials into, and the protection of, the environment. These regulations may, among other things, impose liability on us for the cost of pollution cleanup resulting from current or past operations, subject us to liability for pollution damages and require suspension or cessation of operations in affected areas. Changes in, or additions to, these regulations, could lead to increased operating and compliance costs and, in turn, materially and adversely affect our business, results of operations, financial condition and capital expenditures.

The regulation of hydraulic fracturing is primarily conducted at the state and local level through permitting and other compliance requirements and, further, some state and local governments have imposed or have considered imposing various conditions and restrictions on drilling and completion operations. The U.S. Environmental Protection Agency (U.S. EPA) has issued regulations relating to hydraulic fracturing and there have been various other proposals to regulate hydraulic fracturing at the federal level.

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Any new requirements, restrictions, conditions or prohibitions could lead to operational delays and increased operating and compliance costs and, further, could delay or effectively prevent the development of crude oil and natural gas from formations which would not be economically viable without the use of hydraulic fracturing. Accordingly, our production of crude oil and natural gas could be materially and adversely affected. For additional discussion regarding hydraulic fracturing regulation, see Regulation of Hydraulic Fracturing and Other Operations - United States under ITEM 1, Business - Regulation.

We will continue to monitor and assess any proposed or new policies, legislation, regulations and treaties in the areas where we operate to determine the impact on our operations and take appropriate actions, where necessary. We are unable to predict the timing, scope and effect of any currently proposed or future laws, regulations or treaties, but the direct and indirect costs of such laws, regulations and treaties (if enacted) could materially and adversely affect our business, results of operations, financial condition and capital expenditures. See also the risk factor below regarding the provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act with respect to regulation of financial derivative transactions and entities (such as EOG) that participate in such transactions.

Regulations, government policies and government and corporate initiatives relating to greenhouse gas emissions and climate change could have a significant impact on our operations and we could incur significant cost in the future to comply.

Local, state, federal and international regulatory bodies have been increasingly focused on GHG emissions and climate change issues in recent years. For example, we are subject to the U.S. EPA’s rule requiring annual reporting of GHG emissions which is subject to amendment from time to time. In addition, our oil and gas production and processing operations are subject to the U.S. EPA's new source performance standards applicable to emissions of volatile organic compounds from new, modified and reconstructed crude oil and natural gas wells and equipment located at natural gas production gathering and booster stations and gas processing plants. Our operations will also be subject to the methane emissions charges, once published by the U.S. EPA, imposed under the Inflation Reduction Act of 2022.

At the international level, in December 2015, the U.S. participated in the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change in Paris, France. The Paris Agreement (adopted at the conference) calls for nations to undertake efforts with respect to global temperatures and GHG emissions. The Paris Agreement went into effect in November 2016 and to which the United States formally rejoined in February 2021. The United States has established an economy-wide target of reducing its net GHG emissions by 50-52 percent below 2005 levels by 2030 and achieving net zero GHG emissions economy-wide by no later than 2050. In addition, many state and local officials have stated their intent to intensify efforts to uphold the commitments set forth in the international accord.

It is possible that the Paris Agreement and subsequent domestic and international regulations and government policies related to climate change and GHG emissions will have adverse effects on the market for crude oil, NGLs and natural gas as well as adverse effects on the business and operations of companies engaged in the exploration for, and production of, crude oil, NGLs and natural gas.

We are unable to predict the timing, scope and effect of any currently proposed or future investigations, laws, regulations, treaties or policies regarding climate change and GHG emissions (including any laws and regulations that may be enacted in the U.S.), but the direct and indirect costs of such developments (if enacted, issued or applied) could materially and adversely affect our operations, financial condition, results of operations and capital expenditures. The potential increase in the costs of our operations could include costs to operate and maintain our facilities, install new emission controls on our facilities, acquire allowances to authorize our GHG emissions, pay taxes or fees related to our GHG emissions, or administer and manage a GHG emissions program. In addition, changes in regulatory policies that result in a reduction in the demand for hydrocarbon products that are deemed to contribute to GHG emissions, or restrictions on their use, could also adversely affect market demand for, and in turn the prices we receive for our production of, crude oil, NGLs and natural gas. For additional discussion regarding the regulation of GHG emissions and climate change generally, see ITEM 1, Business – Regulation.

Our initiatives, targets and ambitions related to emissions and other ESG matters, including our related public statements and disclosures, may expose us to certain risks.

We have developed, and will continue to develop, targets and ambitions related to our environmental, social and governance (ESG) initiatives, including, but not limited to, our emissions reduction targets and our ambition to reach net zero Scope 1 and Scope 2 GHG emissions by 2040. Our public disclosures and other statements related to these initiatives, targets and ambitions reflect our plans and expectations at the time such disclosures and statements are made and are not a guarantee the initiatives will be successfully developed, implemented and carried out or that the targets or ambitions will be achieved or achieved on the anticipated timelines.

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Our ability to achieve our ESG-related targets and ambitions is subject to numerous factors and conditions, some of which are outside of our control and include evolving government regulation, the pace of changes in technology, the successful development and deployment of existing or new technologies and business solutions on a commercial scale, the availability, timing and cost of necessary equipment, goods, services and personnel, and the availability of requisite financing and federal and state incentive programs. For example, we are exploring technology to capture and store carbon dioxide emissions, which includes a pilot carbon capture and storage (CCS) project related to our operations. CCS projects face operational, technological, legal and regulatory risks that could be considerable due to the early-stage nature of such projects and the CCS sector generally. Our ability to successfully develop, implement and carry out our CCS activities will depend on a number of factors that we will not be able to fully control, including timing of regulatory approvals and availability of subsurface pore space. Further, financial or tax incentives in respect of CCS projects could be changed or terminated. In addition, our failure to properly operate a CCS project could put at risk certain governmental tax credits and potentially expose us to commercial, legal, reputational and other risks.

In addition, the pursuit and achievement of our current or future initiatives, targets and ambitions relating to the reduction of GHG emissions may increase our costs, including requiring us to purchase emissions credits or offsets, the availability and price of which are outside of our control, and may impact or otherwise limit our ability to execute on our business strategy. Such initiatives, targets and ambitions are also subject to business, regulatory, economic and competitive uncertainties and contingencies, and required advancements in technology. Also, our continuing efforts to research, establish, accomplish and accurately report on our emissions and other ESG-related initiatives, targets and ambitions may create additional operational risks and expenses and expose us to reputational, legal and other risks.

Further, investor and regulatory focus on ESG matters continues to increase. If our ESG-related initiatives, targets and ambitions do not meet our investors' or other stakeholders' evolving expectations and standards, investment in our stock may be viewed as less attractive and our reputation and contractual, employment and other business relationships may be adversely impacted.

Tax laws and regulations applicable to crude oil and natural gas exploration and production companies may change over time, and such changes could materially and adversely affect our cash flows, results of operations and financial condition.

From time to time, legislation has been proposed that, if enacted into law, would make significant changes to U.S. federal income tax laws applicable to crude oil and natural gas exploration and production companies, such as with respect to the intangible drilling and development costs deduction and bonus tax depreciation. While these specific changes were not included in the Tax Cuts and Jobs Act signed into law in December 2017, no accurate prediction can be made as to whether any such legislative changes or similar or other tax law changes will be proposed in the future and, if enacted, what the specific provisions or the effective date of any such legislation would be. The elimination of certain U.S. federal income tax deductions, as well as any other changes to, or the imposition of new, federal, state, local or non-U.S. taxes (including the imposition of, or increases in, production, severance or similar taxes), could materially and adversely affect our cash flows, results of operations and financial condition.

In addition, legislation may be proposed with respect to the enactment of a tax levied on the carbon content of fuels based on the GHG emissions associated with such fuels. A carbon tax, whether imposed on producers or consumers, would generally increase the prices for crude oil, NGLs and natural gas. Such price increases may, in turn, reduce demand for crude oil, NGLs and natural gas and materially and adversely affect our cash flows, results of operations and financial condition.

We are unable to predict the timing, scope and effect of any proposed or enacted tax law changes, but any such changes (if enacted) could materially and adversely affect our business, results of operations and financial condition. We will continue to monitor and assess any proposed or enacted tax law changes to determine the impact on our business, results of operations and financial condition and take appropriate actions, where necessary.

Risks Related to Our International Operations

We operate in other countries and, as a result, are subject to certain political, economic and other risks.

Our operations in jurisdictions outside the U.S. are subject to various risks inherent in foreign operations.These risks include, among other risks:

increases in taxes and governmental royalties;
changes in laws and policies governing the operations of foreign-based companies;
loss of revenue, loss of or damage to equipment, property and other assets and interruption of operations as a result of expropriation, nationalization, acts of terrorism, war, civil unrest and other political risks;
unilateral or forced renegotiation, modification or nullification of existing contracts with governmental entities;
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difficulties enforcing our rights against a governmental agency because of the doctrine of sovereign immunity and foreign sovereignty over international operations; and
currency restrictions or exchange rate fluctuations.

Our international operations may also be adversely affected by U.S. laws and policies affecting foreign trade and taxation, including tariffs or trade or other economic sanctions; modifications to, or withdrawal from, international trade treaties; and U.S. laws with respect to participation in boycotts that are not supported by the U.S. government. The realization of any of these factors could materially and adversely affect our business, financial condition and results of operations.

Unfavorable currency exchange rate fluctuations could materially and adversely affect our results of operations.

The reporting currency for our financial statements is the U.S. dollar.However, certain of our subsidiaries are located in countries other than the U.S. and have functional currencies other than the U.S. dollar.The assets, liabilities, revenues and expenses of certain of these foreign subsidiaries are denominated in currencies other than the U.S. dollar.To prepare our consolidated financial statements, we must translate those assets, liabilities, revenues and expenses into U.S. dollars at then-applicable exchange rates.Consequently, increases and decreases in the value of the U.S. dollar versus other currencies will affect the amount of these items in our consolidated financial statements, even if the amount has not changed in the original currency.These translations could result in changes to our results of operations from period to period.For the fiscal year ended December 31, 2020, less than 1% of our2022, EOG had no net operating revenues related to operations of our foreign subsidiaries whose functional currency was not the U.S. dollar.

Risks Related to Regulatory and Legal Matters

The regulatory, legislative and policy changes pursued by the new U.S. presidential administration may materially and adversely affect the oil and gas exploration and production industry.

In November 2020, Joseph R. Biden Jr. was elected President of the United States. New or revised rules, regulations and policies may be issued, and new legislation may be proposed, during the current administration that could impact the oil and gas exploration and production industry. Such rules, regulations, policies and legislation may affect, among other things, (i) permitting for oil and gas drilling on federal lands, (ii) the leasing of federal lands for oil and gas development, (iii) the regulation of greenhouse gas (GHG) emissions and/or other climate change-related matters associated with oil and gas operations, (iv) the use of hydraulic fracturing on federal lands, (v) the calculation of royalty payments in respect of oil and gas production from federal lands and (vi) U.S. federal income tax laws applicable to oil and gas exploration and production companies. On January 27, 2021, President Biden issued Executive Order 14008 entitled “Tackling the Climate Crisis at Home and Abroad,” directing the Secretary of the Interior, to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to (i) pause approval of new oil and natural gas leases on federal lands or in offshore waters pending completion of a comprehensive review and reconsideration of federal oil and gas permitting and leasing practices and (ii) consider whether to adjust royalties associated with oil and gas resources extracted from federal lands and offshore waters to account for corresponding climate costs.

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Further, such regulatory, legislative and policy changes may, among other things, result in additional permitting and disclosure requirements, additional operating restrictions and/or the imposition of various conditions and restrictions on drilling and completion operations or other aspects of our business, any of which could lead to operational delays, increased operating and compliance costs and/or other impacts on our business and operations and could materially and adversely affect our business, results of operations and financial condition.

For related discussion, see the below risk factors regarding legislative and regulatory matters impacting the oil and gas exploration and production industry.

We incur certain costs to comply with government regulations, particularly regulations relating to environmental protection and safety, and could incur even greater costs in the future.

Our crude oil, NGLs and natural gas operations and supporting activities are regulated extensively by federal, state, tribal and local governments and regulatory agencies, both domestically and in the foreign countries in which we do business, and are subject to interruption or termination by governmental and regulatory authorities based on environmental, health, safety or other considerations.Moreover, we have incurred and will continue to incur costs in our efforts to comply with the requirements of environmental, health, safety and other regulations.Further, the regulatory environment could change in ways that we cannot predict and that might substantially increase our costs of compliance and/or adversely affect our business and operations and, in turn, materially and adversely affect our results of operations and financial condition, including any changes that may result from the recent U.S. elections and change in administration (see the risk factor above with respect to the new U.S. administration).

Specifically, as a current or past owner or lessee and operator of crude oil and natural gas properties, we are subject to various federal, state, tribal, local and foreign regulations relating to the discharge of materials into, and the protection of, the environment.These regulations may, among other things, impose liability on us for the cost of pollution cleanup resulting from current or past operations, subject us to liability for pollution damages and require suspension or cessation of operations in affected areas.Changes in, or additions to, these regulations, including any changes that may result from the recent U.S. elections and change in administration, could lead to increased operating and compliance costs and, in turn, materially and adversely affect our business, results of operations and financial condition.

The regulation of hydraulic fracturing is primarily conducted at the state and local level through permitting and other compliance requirements and, further, some state and local governments have imposed or have considered imposing various conditions and restrictions on drilling and completion operations.The U.S. Environmental Protection Agency (U.S. EPA) has issued regulations relating to hydraulic fracturing and there have been various other proposals to regulate hydraulic fracturing at the federal level.In addition, there were proposals and positions taken by President Biden during his campaign regarding the use of hydraulic fracturing on federal lands and waters. Further, on January 27, 2021, President Biden issued Executive Order 14008 entitled "Tackling the Climate Crisis at Home and Abroad," directing the Secretary of the Interior, to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to, among other things, pause approval of new oil and natural gas leases on federal lands or in offshore waters pending completion of a comprehensive review and reconsideration of federal oil and gas permitting and leasing practices.

Any such requirements, restrictions, conditions or prohibition could lead to operational delays and increased operating and compliance costs and, further, could delay or effectively prevent the development of crude oil and natural gas from formations which would not be economically viable without the use of hydraulic fracturing.Accordingly, our production of crude oil and natural gas could be materially and adversely affected.For additional discussion regarding hydraulic fracturing regulation, see Regulation of Hydraulic Fracturing and Other Operations - United States under ITEM 1, Business - Regulation.

We will continue to monitor and assess any proposed or new policies, legislation, regulations and treaties in the areas where we operate to determine the impact on our operations and take appropriate actions, where necessary. We are unable to predict the timing, scope and effect of any currently proposed or future laws, regulations or treaties, but the direct and indirect costs of such laws, regulations and treaties (if enacted) could materially and adversely affect our business, results of operations and financial condition.See also the risk factor below regarding the provisions of the Dodd-Frank Wall Street Reform and Consumer Protection Act with respect to regulation of derivatives transactions and entities (such as EOG) that participate in such transactions.

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Regulations, government policies and government and corporate initiatives relating to greenhouse gas emissions and climate change could have a significant impact on our operations and we could incur significant cost in the future to comply.

Local, state, federal and international regulatory bodies have been increasingly focused on GHG emissions and climate change issues in recent years.For example, we are subject to the U.S. EPA’s rule requiring annual reporting of GHG emissions.In addition, our oil and gas production and processing operations are subject to the U.S. EPA's new source performance standards applicable to emissions of volatile organic compounds from new, modified and reconstructed crude oil and natural gas wells and equipment located at natural gas production gathering and booster stations and gas processing plants.

At the international level, in December 2015, the U.S. participated in the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change in Paris, France.The Paris Agreement (adopted at the conference) calls for nations to undertake efforts with respect to global temperatures and GHG emissions.The Paris Agreement went into effect on November 4, 2016.While the U.S. withdrew from the Paris Agreement on November 4, 2020, President Biden issued an executive order on January 20, 2021 recommitting the United States to the Paris Agreement.In addition, many state and local officials have stated their intent to intensify efforts to uphold the commitments set forth in the international accord.Further, on January 27, 2021, President Biden issued Executive Order 14008 entitled 'Tackling the Climate Crisis at Home and Abroad,' directing the Secretary of the Interior, to the extent consistent with applicable law and in consultation with other agencies and stakeholders, to, among other things, consider whether to adjust royalties associated with oil and gas resources extracted from federal lands and offshore waters to account for corresponding climate costs.

It is possible that the Paris Agreement and subsequent domestic and international regulations and government policies will have adverse effects on the market for crude oil, natural gas and other fossil fuel products as well as adverse effects on the business and operations of companies engaged in the exploration for, and production of, crude oil, natural gas and other fossil fuel products.We are unable to predict the timing, scope and effect of any currently proposed or future investigations, laws, regulations, treaties or policies regarding climate change and GHG emissions (including any laws and regulations that may be enacted in the U.S. by the new administration), but the direct and indirect costs of such developments (if enacted, issued or applied) could materially and adversely affect our operations, financial condition and results of operations.Further, the increasing attention to global climate change risks has created the potential for a greater likelihood of governmental investigations and private and public litigation, which could increase our costs or otherwise adversely affect our business. For additional discussion regarding climate change regulation, see (i) Climate Change - United States under ITEM 1, Business – Regulation and (ii) the risk factor above with respect to the new U.S. administration.

In addition, the achievement of our current or future internal initiatives relating to the reduction of GHG emissions may increase our costs, including requiring us to purchase emissions credits or offsets, or may impact or otherwise limit our ability to execute on our business plans.

Further, increasing attention to global climate change risks has created the potential for a greater likelihood of governmental investigations and private and public litigation, which could increase our costs or otherwise adversely affect our business.

Tax laws and regulations applicable to crude oil and natural gas exploration and production companies may change over time, and such changes could materially and adversely affect our cash flows, results of operations and financial condition.

From time to time, legislation has been proposed that, if enacted into law, would make significant changes to U.S. federal income tax laws applicable to crude oil and natural gas exploration and production companies, such as with respect to the intangible drilling and development costs deduction and bonus tax depreciation. While these specific changes were not included in the Tax Cuts and Jobs Act signed into law in December 2017, no accurate prediction can be made as to whether any such legislative changes or similar or other tax law changes will be proposed in the future (for example, by the new U.S. administration) and, if enacted, what the specific provisions or the effective date of any such legislation would be. The elimination of certain U.S. federal income tax deductions, as well as any other changes to, or the imposition of new, federal, state, local or non-U.S. taxes (including the imposition of, or increases in, production, severance or similar taxes), could materially and adversely affect our cash flows, results of operations and financial condition.

In addition, legislation may be proposed with respect to the enactment of a tax levied on the carbon content of fuels based on the GHG emissions associated with such fuels.A carbon tax would generally increase the prices for crude oil, natural gas and NGLs.Such price increases may, in turn, reduce demand for crude oil, natural gas and NGLs and materially and adversely affect our cash flows, results of operations and financial condition.
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We are unable to predict the timing, scope and effect of any proposed or enacted tax law changes, but any such changes (if enacted) could materially and adversely affect our business, results of operations and financial condition. We will continue to monitor and assess any proposed or enacted tax law changes to determine the impact on our business, results of operations and financial condition and take appropriate actions, where necessary.

Federal legislation and related regulations regarding derivatives transactions could have a material and adverse impact on our hedging activities.

As discussed in the risk factor above regarding our hedging activities, we use derivative instruments to hedge the impact of fluctuations in crude oil, NGLs and natural gas prices on our results of operations and cash flows. In 2010, Congress adopted the Dodd-Frank Wall Street Reform and Consumer Protection Act (Dodd-Frank Act), which, among other matters, provides for federal oversight of the over-the-counter derivatives market and entities that participate in that market and mandates that the Commodity Futures Trading Commission (CFTC), the U.S. Securities and Exchange Commission (SEC) and certain federal agencies that regulate the banking and insurance sectors (the Prudential Regulators)adopt rules or regulations implementing the Dodd-Frank Act and providing definitions of terms used in the Dodd-Frank Act.The Dodd-Frank Act establishes margin requirements and requires clearing and trade execution practices for certain categories of swaps and may result in certain market participants needing to curtail their derivatives activities.Although some of the rules necessary to implement the Dodd-Frank Act are yet to be adopted, the CFTC, the SEC and the Prudential Regulators have issued numerous rules, including a rule establishing an “end-user” exception to mandatory clearing (End-User Exception), a rule regarding margin for uncleared swaps (Margin Rule) and a proposed rule imposing position limits (Position Limits Rule).

We qualify as a "non-financial entity" for purposes of the End-User Exception and, as such, we are eligible for such exception.As a result, our hedging activities are not subject to mandatory clearing or the margin requirements imposed in connection with mandatory clearing.We also qualify as a "non-financial end user" for purposes of the Margin Rule; therefore, our uncleared swaps are not subject to regulatory margin requirements.Finally, we believe our hedging activities would constitute bona fide hedging under the Position Limits Rule and would not be subject to limitation under such rule if it is enacted.However, many of our hedge counterparties and many other market participants are not eligible for the End-User Exception, are subject to mandatory clearing and the Margin Rule for swaps with some or all of their other swap counterparties, and may be subject to the Position Limits Rule.In addition, the European Union and other non-U.S. jurisdictions have enacted laws and regulations related to derivatives (collectively, Foreign Regulations) which apply to our transactions with counterparties subject to such Foreign Regulations.

The Dodd-Frank Act, the rules adopted thereunder and the Foreign Regulations could increase the cost of derivative contracts, alter the terms of derivative contracts, reduce the availability of derivatives to protect against the price risks we encounter, reduce our ability to monetize or restructure our existing derivative contracts, lessen the number of available counterparties and, in turn, increase our exposure to less creditworthy counterparties.If our use of derivatives is reduced as a result of the Dodd-Frank Act, related regulations or the Foreign Regulations, our results of operations may become more volatile, and our cash flows may be less predictable, which could adversely affect our ability to plan for, and fund, our capital expenditure requirements. Any of these consequences could have a material and adverse effect on our business, financial condition and results of operations.

Risks Related to COVID-19, Cybersecurity, Outbreaks/Pandemics and Other External Factors

Outbreaks of communicable diseases can adversely affect our business, financial condition and results of operations.

Global or national health concerns, including a widespread outbreak of contagious disease, can, among other impacts, negatively impact the global economy, reduce demand and pricing for crude oil, natural gas and NGLs, lead to operational disruptions and limit our ability to execute on our business plan, any of which could materially and adversely affect our business, financial condition and results of operations. Furthermore, uncertainty regarding the impact of any outbreak of contagious disease could lead to increased volatility in crude oil, natural gas and NGL prices.

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For example, the current pandemic involving a highly transmissible and pathogenic coronavirus (COVID-19) and the measures being taken to address and limit the spread of the virus have adversely affected the economies and financial markets of the world, resulting in an economic downturn that has negatively impacted, and may continue to negatively impact, global demand and prices for crude oil, natural gas and NGLs.In fact, the substantial declines in crude oil, natural gas and NGL prices that occurred in the first half of 2020 as a result of the economic downturn and overall reduction of demand prompted by the COVID-19 pandemic (and the oversupply of crude oil from certain foreign oil-exporting countries) materially and adversely affected the amount of cash flows we had available for our 2020 capital expenditures and other operating expenses, our results of operations during the first half of 2020 and the trading price of our common stock.

While in the second half of 2020 the prices for natural gas and NGLs recovered to pre-pandemic levels and the prices for crude oil increased from their first half 2020 levels, if such price declines were to reoccur and continue for an extended period of time, our cash flows and results of operations would be further adversely affected, as could the trading price of our common stock.For further discussion regarding the potential impacts on us of lower commodity prices and extended declines in commodity prices, see the related discussion in the first risk factor in this section.

Further, if the COVID-19 outbreak should continue or worsen, we may also experience disruptions to commodities markets, equipment supply chains and the availability of our workforce, which could materially and adversely affect our ability to conduct our business and operations.In addition, if the resulting economic downturn should continue or worsen, our customers and other contractual parties may be unable to pay amounts owed to us from time to time and to otherwise satisfy their contractual obligations to us, and may be unable to access the credit and capital markets for such purposes. Such inability of our customers and other contractual counterparties may materially and adversely affect our business, financial condition, results of operations and cash flows.

There are still too many variables and uncertainties regarding the COVID-19 pandemic, including the duration and severity of the outbreak and the extent of travel restrictions and business closures imposed in affected countries, to fully assess the potential impact on our business, financial condition and results of operations.

Our business could be materially and adversely affected by security threats, including cybersecurity threats, and other disruptions.

As an oil and gas producer, we face various security threats, including (i) cybersecurity threats to gain unauthorized access to, or control of, our sensitive information or to render our data or systems corrupted or unusable; (ii) threats to the security of our facilities and infrastructure or to the security of third-party facilities and infrastructure, such as gathering, transportation, processing, fractionation, refining and export facilities; and (iii) threats from terrorist acts.The potential for such security threats has subjected our operations to increased risks that could have a material and adverse effect on our business.

We rely extensively on information technology systems, including internally developed software, data hosting platforms, real-time data acquisition systems, third-party software, cloud services and other internally or externally hosted hardware and software platforms, to (i) estimate our oil and gas reserves, (ii) process and record financial and operating data, (iii) process and analyze all stages of our business operations, including exploration, drilling, completions, production, gathering and processing, transportation, pipelines and other related activities and (iv) communicate with our employees and vendors, suppliers and other third parties. Further, our reliance on technology has increased due to the increased use of personal devices, remote communications and other work-from-home practices adopted in response to the COVID-19 pandemic. Although we have implemented and invested in, and will continue to implement and invest in, controls, procedures and protections (including internal and external personnel) that are designed to protect our systems, identify and remediate on a regular basis vulnerabilities in our systems and related infrastructure and monitor and mitigate the risk of data loss and other cybersecurity threats, such measures cannot entirely eliminate cybersecurity threats and the controls, procedures and protections we have implemented and invested in may prove to be ineffective.

Our systems and networks, and those of our business associates, may become the target of cybersecurity attacks, including, without limitation, denial-of-service attacks; malicious software; data privacy breaches by employees, insiders or others with authorized access; cyber or phishing-attacks; ransomware; attempts to gain unauthorized access to our data and systems; and other electronic security breaches.If any of these security breaches were to occur, we could suffer disruptions to our normal operations, including our drilling, completion, production and corporate functions, which could materially and adversely affect us in a variety of ways, including, but not limited to, the following:

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unauthorized access to, and release of, our business data, reserves information, strategic information or other sensitive or proprietary information, which could have a material and adverse effect on our ability to compete for oil and gas resources, or reduce our competitive advantage over other companies;
data corruption, communication interruption, or other operational disruptions during our drilling activities, which could result in our failure to reach the intended target or a drilling incident;
data corruption or operational disruptions of our production-related infrastructure, which could result in loss of production or accidental discharges;
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unauthorized access to, and release of, personal information of our royalty owners, employees and vendors, which could expose us to allegations that we did not sufficiently protect such information;
a cybersecurity attack on a vendor or service provider, which could result in supply chain disruptions and could delay or halt our operations;
a cybersecurity attack on third-party gathering, transportation, processing, fractionation, refining or export facilities, which could result in reduced demand for our production or delay or prevent us from transporting and marketing our production, in either case resulting in a loss of revenues;
a cybersecurity attack involving commodities exchanges or financial institutions could slow or halt commodities trading, thus preventing us from marketing our production or engaging in hedging activities, resulting in a loss of revenues;
a deliberate corruption of our financial or operating data could result in events of non-compliance which could then lead to regulatory fines or penalties;
a cybersecurity attack on a communications network or power grid, which could cause operational disruptions resulting in a loss of revenues; and
a cybersecurity attack on our automated and surveillance systems, which could cause a loss of production and potential environmental hazards.

Further, strategic targets, such as energy-related assets, may be at a greater risk of terrorist attacks or cybersecurity attacks than other targets in the United States.Moreover, external digital technologies control nearly all of the crude oil and natural gas distribution and refining systems in the U.S. and abroad, which are necessary to transport and market our production.A cybersecurity attack directed at, for example, crude oil, NGLs and natural gas distribution systems could (i) damage critical distribution and storage assets or the environment; (ii) disrupt energy supplies and markets, by delaying or preventing delivery of production to markets; and (iii) make it difficult or impossible to accurately account for production and settle transactions.

Any such terrorist attack or cybersecurity attack that affects us, our customers, suppliers, or others with whom we do business and/or energy-related assets could have a material adverse effect on our business, including disruption of our operations, damage to our reputation, a loss of counterparty trust, reimbursement or other costs, increased compliance costs, significant litigation exposure and legal liability or regulatory fines, penalties or intervention.Although we have business continuity plans in place, our operations may be adversely affected by significant and widespread disruption to our systems and the infrastructure that supports our business.While we continue to evolve and modify our business continuity plans as well as our cyber threat detection and mitigation systems, there can be no assurance that they will be effective in avoiding disruption and business impacts.Further, our insurance may not be adequate to compensate us for all resulting losses, and the cost to obtain adequate coverage may increase for us in the future and some insurance coverage may become more difficult to obtain, if available at all.

While we have experienced limited cybersecurity attacksincidents in the past, we have not sufferedhad, to date, any business interruptions or material losses as a resultfrom breaches of such attacks; however,cybersecurity. However, there is no assurance that we will not suffer any such interruptions or losses in the future.Further, as technologies evolve and cybersecurity threats become more sophisticated, we are continually expending additional resources to modify or enhance our security measures to protect against such threats and to identify and remediate on a regular basis any vulnerabilities in our information systems and related infrastructure that may be detected, and these expenditures in the future may be significant.Additionally, the continuing and evolving threat of cybersecurity attacks has resulted in evolving legal and compliance matters, including increased regulatory focus on prevention, which could require us to expend significant additional resources to meet such requirements.

Outbreaks of communicable diseases can adversely affect our business, financial condition and results of operations.

Global or national health concerns, including a widespread outbreak of contagious disease, can, among other impacts, negatively impact the global economy, reduce demand and pricing for crude oil, NGLs and natural gas, lead to operational disruptions and limit our ability to execute on our business plan, any of which could materially and adversely affect our business, financial condition and results of operations. Furthermore, uncertainty regarding the impact of any outbreak of contagious disease could lead to increased volatility in crude oil, NGLs and natural gas prices.

For example, the recent pandemic involving a highly transmissible and pathogenic coronavirus (COVID-19) and the measures taken to address and limit the spread of the virus adversely affected the economies and financial markets of the world, resulting in an economic downturn that negatively impacted global demand and prices for crude oil, NGLs and natural gas. In fact, the substantial declines in crude oil, NGLs and natural gas prices that occurred in the first half of 2020 as a result of the economic downturn and overall reduction of demand prompted by the COVID-19 pandemic (and the oversupply of crude oil from certain foreign oil-exporting countries) materially and adversely affected the amount of cash flows we had available for our 2020 capital expenditures and other operating expenses, our results of operations during the first half of 2020 and the trading price of our common stock.

25


While the prices for crude oil, NGLs and natural gas have since recovered to at or above pre-pandemic levels, if such price declines were to reoccur and continue for an extended period of time, our cash flows and results of operations would be further adversely affected, as could the trading price of our common stock. For further discussion regarding the potential impacts on us of lower commodity prices and extended declines in commodity prices, see the related discussion in the first risk factor in this section.

Further, in the event of a future outbreak or pandemic, we may experience disruptions to commodities markets, equipment supply chains and the availability of our workforce, which could materially and adversely affect our ability to conduct our business and operations. In addition, if such a future outbreak or pandemic results in an economic downturn, our customers and other contractual parties may be unable to pay amounts owed to us from time to time and to otherwise satisfy their contractual obligations to us, and may be unable to access the credit and capital markets for such purposes. Such inability of our customers and other contractual counterparties may materially and adversely affect our business, financial condition, results of operations and cash flows.

There would be many variables and uncertainties associated with any future outbreak or pandemic, including the duration and severity of the outbreak; the emergence, contagiousness and threat of new and different strains of the virus; the development, availability, acceptance, and effectiveness of treatments or vaccines; the extent of travel restrictions, business closures and other measures imposed by governmental authorities; disruptions in the supply chain; a prolonged delay in the resumption of operations by one or more contractual parties; an increasingly competitive labor market due to a sustained labor shortage or increased turnover caused by the outbreak/pandemic; increased logistics costs; additional operating costs due to remote working arrangements, adherence to social distancing guidelines, and other related challenges; increased risk of cyberattacks on information technology systems used in remote working arrangements; increased privacy-related risks due to processing health-related personal information; absence of employees due to illness; the impact of the pandemic on EOG's customers and contractual counterparties; and other factors that may be currently unknown or considered immaterial, to fully assess the potential impact on our business, financial condition and results of operations.

Terrorist activities and military and other actions could materially and adversely affect us.

Terrorist attacks and the threat of terrorist attacks (including cyber-related attacks), whether domestic or foreign, as well as military or other actions taken in response to these acts, could cause instability in the global financial and energy markets.The U.S. government has from time to time issued public warnings that indicate that energy-related assets, such as transportation and refining facilities, might be specific targets of terrorist organizations.

Any such actions and the threat of such actions, including any resulting political instability or societal disruption, could materially and adversely affect us in unpredictable ways, including, but not limited to, the disruption of energy supplies and markets, the reduction of overall demand for crude oil, NGLs and natural gas, increased volatility in crude oil, NGLs and natural gas prices or the possibility that the facilities and other infrastructure on which we rely could be a direct target or an indirect casualty of an act of terrorism, and, in turn, could materially and adversely affect our business, financial condition and results of operations.

Weather and climate may have a significant and adverse impact on us.

Demand for crude oil and natural gas is, to a degree, dependent on weather and climate, which impacts, among other things, the price we receive for the commodities that we produce and, in turn, our cash flows and results of operations.For example, relatively warm temperatures during a winter season generally result in relatively lower demand for natural gas (as less natural gas is used to heat residences and businesses) and, as a result, lower prices for natural gas production during that season.

In addition, there has been public discussion that climate change may be associated with more frequent or more extreme weather events, changes in temperature and precipitation patterns, changes to ground and surface water availability, and other related phenomena, which could affect some, or all, of our operations.Our exploration, exploitation and development activities and equipment could be adversely affected by extreme weather events, such as winter storms, flooding and tropical storms and hurricanes in the Gulf of Mexico, which may cause a loss of production from temporary cessation of activity or damaged facilities and equipment.Such extreme weather events could also impact other areas of our operations, including access to our drilling and production facilities for routine operations, maintenance and repairs, the installation and operation of gathering, processing, compression, storage transportation and/or exporttransportation facilities and the availability of, and our access to, necessary third-party services and facilities, such as gathering, processing, compression, storage, transportation and transportationexport services and export services. facilities. Such extreme weather events and changes in weather patterns may materially and adversely affect our business and, in turn, our financial condition and results of operations.


26


ITEM 1B.  Unresolved Staff Comments

Not applicable.

ITEM 2.  Properties

Oil and Gas Exploration and Production - Properties and Reserves

Reserve Information. For estimates and discussions of EOG's net proved reserves of crude oil and condensate, natural gas liquids (NGLs) and natural gas, the qualifications of the preparers of EOG's reserve estimates, EOG's independent petroleum consultants and EOG's processes and controls with respect to its reserve estimates, see "Supplemental Information to Consolidated Financial Statements."

There are numerous uncertainties inherent in estimating quantities of proved reserves and in projecting future rates of production and timing of development expenditures, including many factors beyond the control of the producer. The reserve data set forth in "Supplemental Information to Consolidated Financial Statements" represent only estimates. Reserve engineering is a complex, subjective process of estimating underground accumulations of crude oil and condensate, NGLs and natural gas that cannot be measured in an exact manner.  The accuracy of any reserve estimate is a function of the amount and quality of available data and of engineering and geological interpretation and judgment.  As a result, estimates by different engineers normally vary.  In addition, results of drilling, testing and production or fluctuations in commodity prices subsequent to the date of an estimate may justify revision of such estimate (upward or downward).  Accordingly, reserve estimates are often different from the quantities ultimately recovered.  Further, the meaningfulness of such estimates is highly dependent upon the accuracy of the assumptions upon which they were based.  For related discussion, see ITEM 1A, Risk Factors, and "Supplemental Information to Consolidated Financial Statements."

26


In general, the rate of production from crude oil and natural gas properties declines as reserves are produced.  Except to the extent EOG acquires additional properties containing proved reserves, conducts successful exploration, exploitation and development activities resulting in additional reserves or, through engineering studies, identifies additional behind-pipe zones or secondary recovery reserves, the proved reserves of EOG will decline as reserves are produced.  Future production is, therefore, highly dependent upon the level of success of these activities.  For related discussion, see ITEM 1A, Risk Factors. EOG's estimates of reserves filed with other federal agencies are consistent with the information set forth in "Supplemental Information to Consolidated Financial Statements."

Acreage. The following table summarizes EOG's gross and net developed and undeveloped acreage at December 31, 2020.2022 (in thousands of acres). Excluded is acreage in which EOG's interest is limited to owned royalty, overriding royalty and other similar interests.

DevelopedUndevelopedTotal DevelopedUndevelopedTotal
GrossNetGrossNetGrossNet GrossNetGrossNetGrossNet
United StatesUnited States2,528,907 1,887,080 2,871,470 1,983,209 5,400,377 3,870,289 United States2,062 1,630 2,753 1,852 4,815 3,482 
TrinidadTrinidad79,410 67,580 201,302 115,168 280,712 182,748 Trinidad77 65 216 125 293 190 
China130,548 130,548 — — 130,548 130,548 
Canada30,771 27,513 19,197 19,197 49,968 46,710 
Oman— — 8,400,348 7,828,089 8,400,348 7,828,089 
AustraliaAustralia— — 1,009 1,009 1,009 1,009 
TotalTotal2,769,636 2,112,721 11,492,317 9,945,663 14,261,953 12,058,384 Total2,139 1,695 3,978 2,986 6,117 4,681 

Most of our undeveloped oil and gas leases, particularly in the United States, are subject to lease expiration if initial wells are not drilled within a specified period, generally between three to five years. Approximately 0.2 million net acres will expire in 2021, 0.2 million net acres will expire in 2022 and 0.1 million net acres will expire in 2023, 0.1 million net acres will expire in 2024 and 1.0 million acres will expire in 2025 if production is not established or we take no other action to extend the terms of the leases or obtain concessions. As of December 31, 2020,2022, there were no proved undeveloped reserves (PUDs) associated with undeveloped leases on which drilling was planned after the expiration dates of such undeveloped acreage.leases. In the ordinary course of business, based on our evaluations of certain geologic trends and prospective economics, we have allowed certain lease acreage to expire and may allow additional acreage to expire in the future.

Many of our oil and gas leases are large enough to accommodate more than one producing unit. Included in our undeveloped acreage is non-producing acreage within such larger producing leases.

27


The agreement governing the acreage associated with our exploration program in Omanoffshore Australia is set to expire in 2024,at various dates through 2025 depending on EOG's decision to move forward with certain provisions allowing forits defined work program or unless EOG is either granted a production license or an extension of such term if commercial discoveries are found.the permit. In the fourth quarter of 2022, EOG applied for a one-year extension of the permit.

Productive Well Summary. The following table represents EOG's gross and net productive wells at December 31, 2022, including 2,4822,530 wells in which we hold a royalty interest.
 Crude OilNatural GasTotal
 GrossNetGrossNetGrossNet
United States9,658 6,724 3,985 1,942 13,643 8,666 
Trinidad33 27 35 28 
China— — 36 36 36 36 
Canada— — — — 
Total (1)
9,660 6,725 4,055 2,005 13,715 8,730 

 Crude OilNatural GasTotal
 GrossNetGrossNetGrossNet
United States8,918 6,369 3,579 1,805 12,497 8,174 
Trinidad35 29 37 31 
Total (1)
8,920 6,371 3,614 1,834 12,534 8,205 
(1)    EOG operated 9,4919,039 gross and 8,3948,053 net producing crude oil and natural gas wells at December 31, 2020.2022. Gross crude oil and natural gas wells include 142143 wells with multiple completions.

27


Drilling and Acquisition Activities.  During the years ended December 31, 2020, 20192022, 2021 and 2018,2020, EOG expended $3.7$5.2 billion, $6.6$4.0 billion and $6.4$3.7 billion, respectively, for exploratory and development drilling, facilities and acquisition of leases and producing properties, including asset retirement obligationscosts of $117$298 million, $186$127 million and $70$117 million, respectively.  The following tables set forth the results of the gross crude oil and natural gas wells completed for the years ended December 31, 2020, 20192022, 2021 and 2018:2020:
 Gross Development Wells CompletedGross Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
2020
United States580 13 15 608 — 
Trinidad— — — — — — 
China— — — — — — — — 
Total580 13 15 608 10 
2019
United States833 26 14 873 — 
Trinidad— — — — 
China— — — — 
Total833 29 14 876 — 
2018        
United States834 39 22 895 — — 
Trinidad— — — — — — — — 
China— — — — 
Total834 40 22 896 — 

 Gross Development Wells CompletedGross Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
2022
United States462 133 11 606 — 11 
Trinidad— — — — — 
Total462 133 11 606 14 
2021
United States474 72 551 10 12 
Trinidad— — — — — — — — 
Oman— — — — — — 
Total474 72 551 10 15 
2020        
United States580 13 15 608 — 
Trinidad— — — — — — 
Total580 13 15 608 10 

28


The following tables set forth the results of the net crude oil and natural gas wells completed for the years ended December 31, 2020, 20192022, 2021 and 2018:
 Net Development Wells CompletedNet Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
2020
United States516 12 15 543 — 
Trinidad— — — — — — 
China— — — — — — — — 
Total516 12 15 543 
2019
United States721 22 12 755 — 
Trinidad— — — — 
China— — — — 
Total721 25 12 758 — 
2018        
United States704 37 18 759 — — 
Trinidad— — — — — — — — 
China— — — — 
Total704 38 18 760 — 
2020:

28
 Net Development Wells CompletedNet Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
2022
United States395 117 10 522 — 11 
Trinidad— — — — — 
Total395 117 10 522 14 
2021
United States434 66 504 10 12 
Trinidad— — — — — — — — 
Oman— — — — — — 
Total434 66 504 10 15 
2020      
United States516 12 15 543 — 
Trinidad— — — — — — 
Total516 12 15 543 



EOG participated in the drilling of wells that were in the process of being drilled or completed at the end of the period as set out in the table below for the years ended December 31, 2020, 20192022, 2021 and 2018:
 Wells in Progress at End of Period
 202020192018
 GrossNetGrossNetGrossNet
United States155 147 317 286 297 238 
Trinidad— — 
China
Oman— — — — 
Total160 152 321 290 301 242 
2020:

 Wells in Progress at End of Period
 202220212020
 GrossNetGrossNetGrossNet
United States251 213 191 167 155 147 
Trinidad
China— — — — 
Oman— — — — 
Total252 214 192 168 160 152 

Included in the previous table of wells in progress at the end of the period were wells which had been drilled, but were not completed (DUCs). In order to effectively manage its capital expenditures and to provide flexibility in managing its drilling rig and well completion schedules, EOG, from time to time, will have an inventory of DUCs. At December 31, 2020,2022, there were approximately 8488 MMBoe of net PUDs associated with EOG's inventory of DUCs. Under EOG's current drilling plan, all such DUCs are expected to be completed within five years from the original booking date of such reserves. The following table sets forth EOG's DUCs, for which PUDs had been booked, as of the end of each period.
 Drilled Uncompleted Wells at End of Period
 202020192018
 GrossNetGrossNetGrossNet
United States89 86 188 165 168 137 
China
Total92 89 191 168 171 140 

 Drilled Uncompleted Wells at End of Period
 202220212020
 GrossNetGrossNetGrossNet
United States122 98 121 105 89 86 
China— — — — 
Total122 98 121 105 92 89 
    
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EOG acquired wells as set forth in the following tables as of the end of each periodtable (excluding the acquisition of additional interests in 8, 1174, 5 and 1148 net wells in which EOG previously owned an interest for the years ended December 31, 2022, 2021 and 2020, 2019respectively) for the years ended December 31, 2022, 2021 and 2018, respectively):2020:
 Gross Acquired WellsNet Acquired Wells
 Crude
Oil
Natural GasTotalCrude
Oil
Natural GasTotal
2020
United States80 83 70 73 
Total80 83 70 73 
2019
United States45 54 37 46 
Total45 54 37 46 
2018      
United States15 13 28 10 16 
Total15 13 28 10 16 

 Gross Acquired WellsNet Acquired Wells
 Crude
Oil
Natural
Gas
TotalCrude
Oil
Natural
Gas
Total
2022
United States25 30 19 20 
Total25 30 19 20 
2021
United States14 16 13 14 
Total14 16 13 14 
2020     
United States80 83 70 73 
Total80 83 70 73 
 
Other Property, Plant and Equipment. EOG's other property, plant and equipment primarily includes gathering, transportation and processing infrastructure assets buildings and sand processing assetsbuildings which support EOG's exploration and production activities. EOG does not own drilling rigs, hydraulic fracturing equipment or rail cars. All of EOG's drilling and completion activities are conducted on a contractual basis with independent drilling contractors and other third-party service contractors. 

29



ITEM 3.  Legal Proceedings

See the information set forth under the "Contingencies" caption in Note 8 of the Notes to Consolidated Financial Statements, which is incorporated by reference herein.

Item 103 of Regulation S-K promulgated under the Securities Exchange Act of 1934, as amended, requires disclosure regarding certain proceedings arising under federal, state or local environmental laws when a governmental authority is a party to the proceedings and such proceedings involve potential monetary sanctions that EOG reasonably believes will exceed a specified threshold.Pursuant to recent amendments to this item, EOG will be usinguses a threshold of $1 million for purposes of determining whether disclosure of any such proceedings is required; EOG believes proceedings under this threshold are not material to EOG's business and financial condition. Applying this threshold, there are no environmental proceedings to disclose for the quarter and year ended December 31, 2020.2022.

ITEM 4.  Mine Safety Disclosures

The information concerning mine safety violations and other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.104) is included in Exhibit 95 to this report.


30



PART II

ITEM 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity  Securities

EOG's common stock is traded on the New York Stock Exchange under the ticker symbol "EOG."

As of February 12, 2021,16, 2023, there were approximately 2,0602,800 record holders and approximately 321,0001,075,000 beneficial owners of EOG's common stock.

EOG expects to continue to pay dividends to its stockholders; however, EOG's Board may reduce the dividend or cease declaring dividends at any time, including if it determines that EOG's current or forecasted future cash flows provided by its operating activities (after deducting capital expenditures and other commitments) are not sufficient to pay EOG's desired levels of dividends to its stockholders or to pay dividends to its stockholders at all. For additional discussion, see ITEM 1A, Risk Factors.

The following table sets forth, for the periods indicated, EOG's share repurchase activity:
 
 
 
 
 
Period
(a)
Total
Number of
Shares
Purchased (1)
(b)
Average
Price Paid
per Share
(c)
Total Number of
Shares Purchased as
Part of Publicly
Announced Plans or
Programs
(d)
Maximum Number
of Shares that May Yet
Be Purchased Under
the Plans or Programs (2)
October 1, 2020 - October 31, 20203,892 $34.56 6,386,200 
November 1, 2020 - November 30, 20203,678 41.84 6,386,200 
December 1, 2020 - December 31, 202019,548 52.21 6,386,200 
Total27,118 $48.27   
 
 
 
 
 
Period
(a)
Total
Number of
Shares
Purchased (1)
(b)
Average
Price Paid
per Share
(c)
Total Number of
Shares or Value of Shares Purchased as
Part of Publicly
Announced Plans or
Programs
(d)
Approximate Dollar Value of Shares
that May Yet Be Purchased Under the Plans or Programs (2)
October 1, 2022 - October 31, 202276,033 $128.00 $5,000,000,000 
November 1, 2022 - November 30, 202286,759 145.63 $5,000,000,000 
December 1, 2022 - December 31, 20224,793 133.85 $5,000,000,000 
Total167,585 137.30   
(1)The 27,118167,585 total shares for the quarter ended December 31, 2020,2022, and the 389,613996,588 total shares for the full year 2020,2022, consist solely of shares that were withheld by or returned to EOG (i) in satisfaction of tax withholding obligations that arose upon the exercise of employee stock options or stock-settled stock appreciation rights or the vesting of restricted stock, restricted stock unit or performance unit grants or (ii) in payment of the exercise price of employee stock options.  These shares do not count against the 10 million aggregateNovember 2021 Authorization (as defined and further discussed below).
(2)Effective November 4, 2021, the Board established a new share repurchase authorization of EOG's Board discussed below.
(2)In September 2001,to allow for the Board authorized the repurchase by EOG of up to 10,000,000$5 billion of its common stock (November 2021 Authorization). Under the November 2021 Authorization, EOG may repurchase shares from time to time, at management's discretion, in accordance with applicable securities laws, including through open market transactions, privately negotiated transactions or any combination thereof. The timing and amount of repurchases, if any, will be at the discretion of EOG's management and will depend on a variety of factors, including the then-trading price of EOG's common stock.  During 2020,stock, corporate and regulatory requirements, and other market and economic conditions. Repurchased shares will be held as treasury shares and will be available for general corporate purposes. The November 2021 Authorization has no time limit, does not require EOG to repurchase a specific number of shares and may be modified, suspended, or terminated by the Board at any time. EOG did not repurchase any shares under the Board-authorized repurchase program. EOG last repurchased shares under this program in March 2003.November 2021 Authorization during the fourth quarter of 2022.

3031


Comparative Stock Performance

The following performance graph and related information shall not be deemed "soliciting material" or to be "filed" with the United States Securities and Exchange Commission, nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933, as amended, or Securities Exchange Act of 1934, as amended, except to the extent that EOG specifically requests that such information be treated as "soliciting material" or specifically incorporates such information by reference into such a filing.

The performance graph shown below compares the cumulative five-year total return to stockholders on EOG's common stock as compared to the cumulative five-year total returns on the Standard and Poor's 500 Index (S&P 500) and the Standard and Poor's 500 Oil & Gas Exploration & Production Index (S&P O&G E&P).  The comparison was prepared based upon the following assumptions:

1.$100 was invested on December 31, 20152017 in each of the following:  common stock of EOG, the S&P 500 and the S&P O&G E&P.
2.    Dividends are reinvested.

Comparison of Five-Year Cumulative Total Returns
EOG, S&P 500 and S&P O&G E&P
(Performance Results Through December 31, 2020)2022)

eog-20201231_g1.gifeog-20221231_g1.jpg

201520162017201820192020
EOG$100.00 $144.04 $154.79 $125.91 $122.37 $74.85 
S&P 500$100.00 $111.96 $136.40 $130.42 $171.49 $203.05 
S&P O&G E&P$100.00 $132.83 $124.46 $100.19 $112.23 $73.61 

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ITEM 6.  Selected Financial Data
(In Thousands, Except Per Share Data)

    The following selected consolidated financial information should be read in conjunction with ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations and ITEM 8, Financial Statements and Supplementary Data.
Year Ended December 3120202019201820172016
Statement of Income Data:
Operating Revenues and Other (1)
$11,032,048 $17,379,973 $17,275,399 $11,208,320 $7,650,632 
Operating Income (Loss)$(544,016)$3,699,011 $4,469,346 $926,402 $(1,225,281)
Net Income (Loss)$(604,572)$2,734,910 $3,419,040 $2,582,579 $(1,096,686)
Net Income (Loss) Per Share
Basic$(1.04)$4.73 $5.93 $4.49 $(1.98)
Diluted$(1.04)$4.71 $5.89 $4.46 $(1.98)
Dividends Per Common Share$1.50 $1.0825 $0.81 $0.67 $0.67 
Average Number of Common Shares
Basic578,949 577,670 576,578 574,620 553,384 
Diluted578,949 580,777 580,441 578,693 553,384 

At December 3120202019201820172016
Balance Sheet Data:
Total Property, Plant and Equipment, Net$28,598,627 $30,364,595 $28,075,519 $25,665,037 $25,707,078 
Total Assets (2) (3) (4)
35,804,601 37,124,608 33,934,474 29,833,078 29,299,201 
Total Debt5,816,405 5,175,443 6,083,262 6,387,071 6,986,358 
Total Stockholders' Equity20,301,887 21,640,716 19,364,188 16,283,273 13,981,581 
(1)    Effective January 1, 2018, EOG adopted the provisions of Accounting Standards Update (ASU) 2014-09, "Revenue From Contracts With Customers" (ASU 2014-09). In connection with the adoption of ASU 2014-09, EOG presents natural gas processing fees relating to certain processing and marketing agreements within its United States segment as Gathering and Processing Costs instead of as a deduction to Natural Gas Revenues. There was no impact to operating income, net income or cash flows resulting from changes to the presentation of natural gas processing fees. EOG elected to adopt ASU 2014-09 using the modified retrospective approach with no reclassification of amounts for the years ended December 31, 2017 and 2016 (see Note 1 to Consolidated Financial Statements).
(2)    Effective January 1, 2020, EOG adopted the provisions of ASU 2016-13, "Measurement of Credit Losses on Financial Instruments" (ASU 2016-13). ASU 2016-13 changes the impairment model for financial assets and certain other instruments by requiring entities to adopt a forward-looking expected loss model that will result in earlier recognition of credit losses. EOG elected to adopt ASU 2016-13 using the modified retrospective approach with a cumulative-effect adjustment to retained earnings as of the effective date. Financial results reported in periods prior to January 1, 2020, are unchanged. There was no impact to retained earnings upon adoption of ASU 2016-13 and EOG expects current and future credit losses to be immaterial. EOG continues to monitor the credit risk from third-party companies to determine if expected credit losses may become material.
(3)    Effective January 1, 2019, EOG adopted the provisions of ASU 2016-02, "Leases (Topic 842)" (ASU 2016-02), which require that lessees recognize a right-of-use (ROU) asset and related lease liability, representing the obligation to make lease payments of certain lease transactions, on the Consolidated Balance Sheets. EOG elected to adopt ASU 2016-02 and other related ASUs using the modified retrospective approach with a cumulative-effect adjustment to the opening balance of retained earnings as of the effective date. Financial results reported in periods prior to January 1, 2019, are unchanged. There was no impact to retained earnings upon adoption of ASU 2016-02 and other related ASUs. See Notes 1 and 18 to Consolidated Financial Statements.
(4)    Effective January 1, 2017, EOG adopted the provisions of ASU 2015-17, "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes" (ASU 2015-17), which simplifies the presentation of deferred taxes in a classified balance sheet by eliminating the requirement to separate deferred income tax liabilities and assets into current and noncurrent amounts. Instead, ASU 2015-17 requires that all deferred tax liabilities and assets be shown as noncurrent in a classified balance sheet. In connection with the adoption of ASU 2015-17, EOG restated $160 million from deferred tax liabilities to deferred tax assets on its Consolidated Balance Sheet at December 31, 2016.

201720182019202020212022
EOG$100.00 $81.33 $79.03 $48.50 $91.51 $143.55 
S&P 500$100.00 $95.62 $125.72 $148.85 $191.58 $156.88 
S&P O&G E&P$100.00 $80.50 $90.17 $58.24 $108.95 $172.69 

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ITEM 6.  Reserved


ITEM 7.  Management's Discussion and Analysis of Financial Condition and Results of Operations

Overview

EOG Resources, Inc., together with its subsidiaries (collectively, EOG), is one of the largest independent (non-integrated) crude oil and natural gas companies in the United States with proved reserves in the United States Trinidad and China.Trinidad.  EOG operates under a consistent business and operational strategy that focuses predominantly on maximizing the rate of return on investment of capital by controlling operating and capital costs and maximizing reserve recoveries.  Pursuant to this strategy, each prospective drilling location is evaluated by its estimated rate of return. This strategy is intended to enhance the generation of cash flow and earnings from each unit of production on a cost-effective basis, allowing EOG to delivermaximize long-term growth in shareholder value and maintain a strong balance sheet.  EOG implements its strategy primarily by emphasizing the drilling of internally generated prospects in order to find and develop low-cost reserves.  Maintaining the lowest possible operating cost structure, coupled with efficient and safe operations and robust environmental stewardship practices and performance, is integral in the implementation of EOG's strategy.

EOG realized a net lossincome of $605$7,759 million during 20202022 as compared to net income of $2,735$4,664 million for 2019.2021. At December 31, 2020,2022, EOG's total estimated net proved reserves were 3,2204,238 million barrels of oil equivalent (MMBoe), a decreasean increase of 109491 MMBoe from December 31, 2019.2021.  During 2020,2022, net proved crude oil and condensate and natural gas liquids (NGLs) reserves decreasedincreased by 108429 million barrels (MMBbl), and net proved natural gas reserves decreasedincreased by 9369 billion cubic feet or 162 MMBoe, in each case from December 31, 2019.2021.

Recent Developments

Commodity Prices. The COVID-19 pandemic and the measures being taken to address and limit the spread of the virus have adversely affected the economies and financial markets of the world, resulting in an economic downturn that has negatively impacted, and may continue to negatively impact, global demand and prices for crude oil and condensate, NGLs and natural gas. See ITEM 1A, Risk Factors for further discussion.

In early March 2020, due to the failure of the members of the Organization of the Petroleum Exporting Countries and Russia (OPEC+) to reach an agreement on individual crude oil production limits, Saudi Arabia unilaterally reduced the sales price of its crude oil and announced that it would increase its crude oil production. The combination of these actions, and the effects of the COVID-19 pandemic on crude oil demand, resulted in significantly lower commodity prices in March and April 2020. In April 2020, the members of OPEC+ reached an agreement to cut crude oil production beginning in May 2020 and extending through April 2022 with the quantity of the production cuts decreasing over time. Subsequent indications of conformity with these agreed-upon production cuts by OPEC+, combined with the evolving impacts of COVID-19 on crude oil demand, have resulted in gradually-improving market conditions. In the second half of 2020, crude oil prices increased, but remain significantly below average prices in 2019, as a result of the continuing rebalancing of crude oil supply resulting from the actions of OPEC+ and the continuing effect of the COVID-19 pandemic on global demand. In addition, NGL and natural gas prices have recovered to pre-pandemic levels.

In response to the commodity price environment in 2020, EOG reduced activity across its operating areas and decreased its total capital expenditures. EOG also elected to reduce crude oil production, by delaying initial production from new wells and shutting-in or otherwise curtailing existing production.

In early 2021, the members of OPEC+ met and agreed to taper off certain of their production curtailments (agreed to in April 2020) through March 2021. Subsequent to the meeting, Saudi Arabia announced that it would unilaterally cut its production by an additional one million barrels per day in February 2021 and March 2021. These announcements have had a positive impact on crude oil prices.

As a result of the many uncertainties associated with (i) the world economic environment, (ii) the COVID-19 pandemic and its continuing effect on the economies and financial markets of the world and (iii) any future actions by the members of OPEC+, and the effect of these uncertainties on worldwide supplies of, and demand for, crude oil and condensate, NGLs and natural gas, EOG is unable to predict what changes may occur in crude oil and condensate, NGLs and natural gas prices in the future. However, pricesPrices for crude oil and condensate, NGLs and natural gas have historically been volatile, and thisvolatile. This volatility is expected to continue. For related discussion, see ITEM 1A, Risk Factors.continue due to the many uncertainties associated with the world political and economic environment and the global supply of, and demand for, crude oil, NGLs and natural gas and the availability of other energy supplies, the relative competitive relationships of the various energy sources in the view of consumers and other factors.

EOG will continue to monitor futureThe market conditionsprices of crude oil and adjust its capital allocation strategycondensate, NGLs and production outlook accordinglynatural gas impact the amount of cash generated from EOG's operating activities, which, in order to maximize shareholder value while maintaining its strongturn, impact EOG's financial position.position and results of operations.

For the year ended December 31, 2022, the average U.S. New York Mercantile Exchange (NYMEX) crude oil and natural gas prices were $94.23 per barrel and $6.64 per million British thermal units (MMBtu), respectively, representing increases of 39% and 72%, respectively, from the average NYMEX prices for the year ended December 31, 2021. Market prices for NGLs are influenced by the components extracted, including ethane, propane and butane and natural gasoline, among others, and the respective market pricing for each component.

The increases in crude oil and natural gas prices during 2022 were due to numerous factors, including the continued recovery in demand for crude oil, natural gas and NGLs from the impacts of the COVID-19 pandemic; low worldwide inventory levels; continued supply restraint by OPEC+ (a consortium of OPEC (Organization of Petroleum Exporting Countries) and certain non-OPEC global producers); and the impact resulting from the ongoing conflict between Russia and Ukraine.

Inflation Considerations; Availability of Materials, Labor & Services. Beginning in the second half of 2021 and continuing throughout 2022, EOG, similar to other companies in its industry, has experienced inflationary pressures on its operating and capital costs - namely the costs of fuel, steel (i.e., wellbore tubulars and facilities manufactured using steel), labor and drilling and completion services. Such inflationary pressures have resulted from (i) supply chain disruptions caused by the COVID-19 pandemic and the resulting limited availability of certain materials and products manufactured using such materials; (ii) increased demand for fuel and steel; (iii) increased demand for drilling and completion services coupled with a limited number of available service providers, resulting in increased competition for such services among EOG and other companies in its industry; (iv) labor shortages; and (v) other factors, including the ongoing conflict between Russia and the Ukraine which began in late February 2022.
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Such inflationary pressures on EOG's operating and capital costs have, in turn, impacted its cash flows and results of operations. However, by virtue of its continued focus on increasing its drilling, completion and operating efficiencies and improving the performance of its wells, as well as the flexibility provided by its multi-basin drilling portfolio, EOG has been able to largely offset such impacts. EOG currently expects such inflationary pressures to result in an increase of approximately 10 percent in its fiscal year 2023 well costs (i.e., its costs for drilling, completions and well-site facilities) versus fiscal year 2022. Accordingly, such expected increase in EOG's fiscal year 2023 well costs is not expected to have a material impact on EOG's full-year 2023 results of operations. Further, such inflationary pressures and the factors contributing to such inflationary pressures (described above) are not expected to impact EOG's liquidity, capital resources, cash requirements or financial position or its ability to conduct its day-to-day drilling, completion and production operations.
2020 Election.
The initiatives EOG has undertaken (and continues to undertake) to increase its drilling, completion and operating efficiencies and improve the performance of its wells and, in turn, partially mitigate such inflationary pressures, include (among others): (i) EOG's downhole drilling motor program, which has resulted in increased footage drilled per day and, in turn, reduced drilling times; (ii) enhanced techniques for completing its wells, which has resulted in increased footage completed per day and pumping hours per day; and (iii) EOG's self-sourced sand program, which has resulted in continued costs savings for the sand utilized in its well completion operations. In November 2020, Joseph R. Biden Jr. was elected Presidentaddition, EOG enters into agreements with its service providers from time to time, when available and advantageous, to secure the costs and availability of certain of the United States. On January 27, 2021, President Biden issued Executive Order 14008 entitled "Tacklingdrilling and completion services it utilizes as part of its operations.

EOG plans to continue with these initiatives and actions, though there can be no assurance that such efforts will offset, largely or at all, the Climate Crisis at Homeimpacts of any future inflationary pressures on EOG's operating and Abroad," directingcapital costs, cash flows and results of operations. Further, there can be no assurance that the Secretary of the Interior,factors contributing to the extent consistent with applicable law and in consultation with other agencies and stakeholders,any future inflationary pressures will not impact EOG's ability to (i) pause approval of new oil and natural gas leases on federal lands or in offshore waters pendingconduct its future day-to-day drilling, completion of a comprehensive review and reconsideration of federal oil and gas permitting and leasing practices and (ii) consider whether to adjust royalties associated with oil and gas resources extracted from federal lands and offshore waters to account for corresponding climate costs.In addition, new or revised rules, regulations and policies may be issued, and new legislation may be proposed, during the current administration that could impact the oil and gas exploration and production industry. Such rules, regulations, policies and legislation may affect, among other things, (i) permitting for oil and gas drilling on federal lands, (ii) the leasing of federal lands for oil and gas development, (iii) the regulation of greenhouse gas emissions and/or other climate change-related matters associated with oil and gas operations, (iv) the use of hydraulic fracturing on federal lands, (v) the calculation of royalty payments in respect of oil and gas production from federal lands and (vi) U.S. federal income tax laws applicable to oil and gas exploration and production companies.operations. See "Regulation" in ITEM 1, Business and ITEM 1A, Risk Factors, for furtherrelated discussion.

Climate Change. For a discussion of climate change matters and related regulatory matters, including potential developments related to climate change and the potential impacts and risks of such developments on EOG, see ITEM 1A, Risk Factors, and the related discussion in ITEM 1, Business – Regulation. EOG will continue to monitor and assess any actionsclimate change-related developments that could impact EOG and the oil and gas industry, to determine the impact on its business and operations, and take appropriate actions where necessary.

Operations

Several important developments have occurred since January 1, 2020.2022.

United States. EOG's efforts to identify plays with large reserve potential have proven to be successful. EOG continues to drill numerous wells in large acreage plays, which in the aggregate have contributed substantially to, and are expected to continue to contribute substantially to, EOG's crude oil and condensate, NGLs and natural gas production. EOG has placed an emphasis on applying its horizontal drilling and completion expertise to unconventional crude oil and liquids-rich reservoirs.natural gas plays.

During 2020,In 2022, EOG continued to focus on increasing drilling, completion and operating efficiencies, gained in prior years. Such efficiencies, combined with new innovationto improve well performance and, decreased service costs, resulted in loweras is further discussed above, to partially mitigate inflationary pressures on its operating drilling and completion costs in 2020.capital costs. In addition, EOG continued to evaluate certain potential crude oil and condensate, NGLs and natural gas exploration and development prospects and to look for opportunities to add drilling inventory through leasehold acquisitions, farm-ins, exchanges or tactical or bolt-on acquisitions. On a volumetric basis, as calculated using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet of natural gas, crude oil and condensate and NGLs production accounted for approximately 76% and 77%75% of EOG's United States production during 2020both 2022 and 2019, respectively.2021. During 2020,2022, EOG's drilling and completion activities occurred primarily in the Delaware Basin play, Eagle Ford play and Rocky Mountain area. EOG's major producing areas in the United States are in New Mexico and Texas. In the second quarter of 2020, EOG delayed initial production from most newly-completed wells and shut in some existing production. During the third quarter of 2020, EOG resumed the process of initiating production from completed wells, and the legacy wells that were shut-in were largely brought back on-line. See ITEM 1, Business - Exploration and Production for further discussion.discussion regarding EOG's 2022 United States operations.

34


Trinidad. In the Republic of Trinidad and Tobago (Trinidad), EOG continues to deliver natural gas under existing supply contracts. Several fields in the South East Coast Consortium Block, Modified U(a) Block, Block 4(a), Modified U(b) Block, the Banyan Field and the Sercan Area have been developed and are producing natural gas which is sold to the National Gas Company of Trinidad and Tobago Limited and its subsidiary (NGC), and crude oil and condensate which is sold to Heritage Petroleum Company Limited.Limited (Heritage), with the exception of the Modified U(b) Block in which the company ceased to have an interest in the production of natural gas and crude oil and condensate in the fourth quarter of 2022. In July 2022, EOG amended the natural gas sales contract with NGC to extend the term and provide for an increase in price realizations if index prices for certain commodities exceed specified levels. The pricing component of this amendment was effective September 2020.

In 2020,March 2021, EOG signed a farmout agreement with Heritage, which allows EOG to earn a 65% working interest in a portion of the contract area (EOG Area) governed by the Trinidad Northern Area License. The EOG Area is located offshore the southwest coast of Trinidad. In 2022, EOG drilled threeone net wellsexploratory well, which was determined to be unsuccessful.

Also in 2022, EOG completed the design, fabrication and installation of a platform and related facilities for its previously announced discovery in the Modified U(a) Block. Additionally in 2022, EOG completed the drilling of, and put on production, two net exploratory wells from a pre-existing platform in the Modified U(a) Block. In 2023, EOG expects to complete three developmental and two exploratory wells in Trinidad. The remaining net well madethe Modified U(a) Block. Additionally, EOG expects to make progress on the design and construction of a discovery that is being evaluated.platform and related facilities in the Mento Area.

Other International. In November 2021, a subsidiary of EOG was granted an exploration permit for the Sichuan Basin, Sichuan Province, China,WA-488-P Block, located offshore Western Australia. In 2022, EOG continues to work with its partner, PetroChina, undercontinued preparing for the Production Sharing Contractdrilling of an exploration well, the timing of which will depend on obtaining regulatory approvals and other related agreements, to ensure uninterrupted production. All natural gas produced from the Baijaochang Field is sold under a long-term contract to PetroChina.subsequent equipment availability.

In 2020, EOG entered into two agreements related to exploration and production rights in the Sultanate of Oman (Oman). One agreement resulted in EOG acquiring exploration and production rights to Block 36 within Oman. The second agreement was a farm-in agreement allowing EOG to share in exploration and production rights within Block 49. Pursuant to that agreement, EOG participated in the drilling of one gross exploratory well which was in progress as of December 31, 2020.

In March 2020, EOG began the process of exiting its Canada operations.

34


EOG continues to evaluate other select crude oil and natural gas opportunities outside the United States, primarily by pursuing exploitation opportunities in countries where indigenous crude oil and natural gas reserves have been identified.

Capital Structure

One of management's key strategies is to maintain a strong balance sheet with a consistently below average debt-to-total capitalization ratio as compared to those in EOG's peer group.  EOG's debt-to-total capitalization ratio was 22%17% at December 31, 20202022 and 19% at December 31, 2019.2021.  As used in this calculation, total capitalization represents the sum of total current and long-term debt and total stockholders' equity.

On April 1, 2020, EOG repaid upon maturity the $500 million aggregate principal amount of its 2.45% Senior Notes due 2020.

On April 14, 2020, EOG closed on its offering of $750 million aggregate principal amount of its 4.375% Senior Notes due 2030 and $750 million aggregate principal amount of its 4.950% Senior Notes due 2050 (together, the Notes). EOG received net proceeds of $1.48 billion from the issuance of the Notes, which were used to repay the 4.40% Senior Notes due 2020 when they matured on June 1, 2020 (see below), and for general corporate purposes, including the funding of capital expenditures.

On June 1, 2020, EOG repaid upon maturity the $500 million aggregate principal amount of its 4.40% Senior Notes due 2020.

On February 1, 2021, EOG repaid upon maturity the $750 million aggregate principal amount of its 4.100% Senior Notes due 2021.

During 2020,2022, EOG funded $4.0$5.3 billion ($386153 million of which was non-cash) in exploration and development and other property, plant and equipment expenditures (excluding asset retirement obligations), repaid $1.0 billion aggregate principal amount of long-term debt and paid $821 million$5.1 billion in dividends to common stockholders, primarily by utilizing net cash provided from its operating activities, net proceeds of $1.48 billion from the issuance of the Notes and net proceeds of $192 million from the sale of assets.activities.

Total anticipated 20212023 capital expenditures are estimated to range from approximately $3.7$5.8 billion to $4.1$6.2 billion, excluding acquisitions, non-cash transactions and non-cash transactions.exploration costs. The majority of 20212023 expenditures will be focused on United States crude oil drilling activities. EOG has significant flexibility with respect to financing alternatives, including borrowings under its commercial paper program, bank borrowings, borrowings under its senior unsecured revolving credit facility, joint development agreements and similar agreements and equity and debt offerings.

Management continues to believe EOG has one of the strongest prospect inventories in EOG's history. When it fits EOG's strategy, EOG will make acquisitions that bolster existing drilling programs or offer incremental exploration and/or production opportunities.

Cash Return Framework. On May 5, 2022, EOG announced the addition of quantitative guidance to its cash return framework - specifically, a commitment to return a minimum of 60% of annual net cash provided by operating activities before certain balance sheet-related changes, less total capital expenditures, to stockholders, through a combination of quarterly dividends, special dividends and share repurchases. For related discussion regarding our payment of dividends, see ITEM 1A, Risk Factors, and ITEM 5, Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities, of EOG's Annual Report on Form 10-K for the year ended December 31, 2022, filed on February 23, 2023 (EOG's 2022 Annual Report).

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Dividend Declarations. On February 24, 2022, EOG's Board of Directors (Board) declared a quarterly cash dividend on the common stock of $0.75 per share paid on April 29, 2022, to stockholders of record as of April 15, 2022. The Board also declared on such date a special dividend of $1.00 per share paid on March 29, 2022, to stockholders of record as of March 15, 2022.

On May 5, 2022, the Board declared a quarterly cash dividend on the common stock of $0.75 per share paid on July 29, 2022, to stockholders of record as of July 15, 2022. The Board also declared on such date a special dividend of $1.80 per share paid on June 30, 2022, to stockholders of record as of June 15, 2022.

On August 4, 2022, the Board declared a special dividend on the common stock of $1.50 per share paid on September 29, 2022, to stockholders of record as of September 15, 2022.

On September 29, 2022, the Board declared a quarterly cash dividend on the common stock of $0.75 per share paid on October 31, 2022, to stockholders of record as of October 17, 2022.

On November 3, 2022, the Board (i) increased the quarterly cash dividend on the common stock from the previous $0.75 per share to $0.825 per share, effective beginning with the dividend paid on January 31, 2023, to stockholders of record as of January 17, 2023, and (ii) declared a special cash dividend on the common stock of $1.50 per share, paid on December 30, 2022, to stockholders of record as of December 15, 2022.

On February 23, 2023, the Board declared a quarterly cash dividend on the common stock of $0.825 per share to be paid on April 28, 2023, to stockholders of record as of April 14, 2023. The Board also declared on such date a special dividend on the common stock of $1.00 per share to be paid on March 30, 2023, to stockholders of record as of March 16, 2023.

Results of Operations

The following review of operations for each of the three years in the period ended December 31, 2020,2022, should be read in conjunction with the consolidated financial statements of EOG and notes thereto beginning on page F-1.

Operating Revenues and Other

During 2020,2022, operating revenues decreased $6,348increased $7,060 million, or 37%38%, to $11,032$25,702 million from $17,380$18,642 million in 2019.2021. Total wellhead revenues, which are revenues generated from sales of EOG's production of crude oil and condensate, NGLs and natural gas, decreased $4,291,increased $7,415 million, or 37%48%, to $7,290$22,796 million in 20202022 from $11,581$15,381 million in 2019.2021. Revenues from the sales of crude oil and condensate and NGLs in 20202022 were approximately 89%83% of total wellhead revenues compared to 90%84% in 2019.2021. During 2020,2022, EOG recognized net gainslosses on the mark-to-market of financial commodity derivative contracts of $1,145$3,982 million compared to net gainslosses of $180$1,152 million in 2019.2021. Gathering, processing and marketing revenues decreased $2,777increased $2,408 million during 2020,2022, to $2,583$6,696 million from $5,360$4,288 million in 2019. Net losses2021. EOG recognized net gains on asset dispositions of $47$74 million in 2020 were primarily due to the sales of proved properties and non-cash property exchanges of unproved leasehold in Texas and New Mexico and the disposition of the Marcellus Shale assets2022 compared to net gains on asset dispositions of $124$17 million in 2019.2021.

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Wellhead volume and price statistics for the years ended December 31, 2020, 20192022, 2021 and 20182020 were as follows:
Year Ended December 31Year Ended December 31202020192018Year Ended December 31202220212020
Crude Oil and Condensate Volumes (MBbld) (1)
Crude Oil and Condensate Volumes (MBbld) (1)
Crude Oil and Condensate Volumes (MBbld) (1)
United StatesUnited States408.1 455.5 394.8 United States460.7 443.4 408.1 
TrinidadTrinidad1.0 0.6 0.8 Trinidad0.6 1.5 1.0 
Other International (2)
Other International (2)
0.1 0.1 4.3 
Other International (2)
— 0.1 0.1 
TotalTotal409.2 456.2 399.9 Total461.3 445.0 409.2 
Average Crude Oil and Condensate Prices ($/Bbl) (3)
Average Crude Oil and Condensate Prices ($/Bbl) (3)
  
Average Crude Oil and Condensate Prices ($/Bbl) (3)
  
United StatesUnited States$38.65 $57.74 $65.16 United States$97.22 $68.54 $38.65 
TrinidadTrinidad30.20 47.16 57.26 Trinidad86.16 56.26 30.20 
Other International (2)
Other International (2)
43.08 57.40 71.45 
Other International (2)
— 42.36 43.08 
CompositeComposite38.63 57.72 65.21 Composite97.21 68.50 38.63 
Natural Gas Liquids Volumes (MBbld) (1)
Natural Gas Liquids Volumes (MBbld) (1)
Natural Gas Liquids Volumes (MBbld) (1)
United StatesUnited States136.0 134.1 116.1 United States197.7 144.5 136.0 
Other International (2)
Other International (2)
— — — 
Other International (2)
— — — 
TotalTotal136.0 134.1 116.1 Total197.7 144.5 136.0 
Average Natural Gas Liquids Prices ($/Bbl) (3)
Average Natural Gas Liquids Prices ($/Bbl) (3)
  
Average Natural Gas Liquids Prices ($/Bbl) (3)
  
United StatesUnited States$13.41 $16.03 $26.60 United States$36.70 $34.35 $13.41 
Other International (2)
Other International (2)
— — — 
Other International (2)
— — — 
CompositeComposite13.41 16.03 26.60 Composite36.70 34.35 13.41 
Natural Gas Volumes (MMcfd) (1)
Natural Gas Volumes (MMcfd) (1)
Natural Gas Volumes (MMcfd) (1)
United StatesUnited States1,040 1,069 923 United States1,315 1,210 1,040 
TrinidadTrinidad180 260 266 Trinidad180 217 180 
Other International (2)
Other International (2)
32 37 30 
Other International (2)
— 32 
TotalTotal1,252 1,366 1,219 Total1,495 1,436 1,252 
Average Natural Gas Prices ($/Mcf) (3)
Average Natural Gas Prices ($/Mcf) (3)
  
Average Natural Gas Prices ($/Mcf) (3)
  
United StatesUnited States$1.61 $2.22 $2.88 United States$7.27 $4.88 $1.61 
TrinidadTrinidad2.57 2.72 2.94 Trinidad4.43 (5)3.40 2.57 
Other International (2)
Other International (2)
4.66 4.44 4.08 
Other International (2)
— 5.67 4.66 
CompositeComposite1.83 2.38 2.92 Composite6.93 4.66 1.83 
Crude Oil Equivalent Volumes (MBoed) (4)
Crude Oil Equivalent Volumes (MBoed) (4)
Crude Oil Equivalent Volumes (MBoed) (4)
United StatesUnited States717.5 767.8 664.7 United States877.5 789.6 717.5 
TrinidadTrinidad30.9 44.0 45.1 Trinidad30.7 37.7 30.9 
Other International (2)
Other International (2)
5.4 6.2 9.4 
Other International (2)
— 1.6 5.4 
TotalTotal753.8 818.0 719.2 Total908.2 828.9 753.8 
Total MMBoe (4)
Total MMBoe (4)
275.9 298.6 262.5 
Total MMBoe (4)
331.5 302.5 275.9 
(1)    Thousand barrels per day or million cubic feet per day, as applicable.
(2)Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
(3)Dollars per barrel or per thousand cubic feet, as applicable.  Excludes the impact of financial commodity derivative instruments (see Note 12 to Consolidated Financial Statements).
(4)Thousand barrels of oil equivalent per day or million barrels of oil equivalent, as applicable; includes crude oil and condensate, NGLs and natural gas.  Crude oil equivalent volumes are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet of natural gas.  MMBoe is calculated by multiplying the MBoed amount by the number of days in the period and then dividing that amount by one thousand.
(5)Includes positive revenue adjustment of $0.76 per Mcf ($0.09 per Mcf of EOG's composite wellhead natural gas price) for the twelve months ended December 31, 2022, related to a price adjustment per a provision of the natural gas sales contact with NGC amended in July 2022 for natural gas sales during the period from September 2020 through June 2022.

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20202022 compared to 2019.2021. Wellhead crude oil and condensate revenues in 2020 decreased $3,8272022 increased $5,242 million, or 40%47%, to $5,786$16,367 million from $9,613$11,125 million in 2019,2021, due primarily to a lowerhigher composite average wellhead crude oil and condensate price ($2,8604,831 million) and a decreasean increase in production ($967411 million). EOG's composite wellhead crude oil and condensate price for 2020 decreased 33%2022 increased 42% to $38.63$97.21 per barrel compared to $57.72$68.50 per barrel in 2019.2021. Wellhead crude oil and condensate production in 2020 decreased 10%2022 increased 4% to 409461 MBbld as compared to 456445 MBbld in 2019. The decreased production was primarily in the Eagle Ford and the Rocky Mountain area, partially offset by increased production in the Permian Basin.

NGLs revenues in 2020 decreased $116 million, or 15%, to $668 million from $784 million in 2019 primarily due to a lower composite average wellhead NGLs price ($130 million), partially offset by an increase in production ($13 million). EOG's composite average wellhead NGLs price decreased 16% to $13.41 per barrel in 2020 compared to $16.03 per barrel in 2019. NGL production in 2020 increased 1% to 136 MBbld as compared to 134 MBbld in 2019.2021. The increased production was primarily in the Permian Basin, partially offset by decreased production in the Eagle Ford.Ford play and the Rocky Mountain area.

NGLs revenues in 2022 increased $836 million, or 46%, to $2,648 million from $1,812 million in 2021 primarily due to an increase in production ($666 million) and a higher composite average wellhead NGLs price ($170 million). EOG's composite average wellhead NGLs price increased 7% to $36.70 per barrel in 2022 compared to $34.35 per barrel in 2021. NGLs production in 2022 increased 37% to 198 MBbld as compared to 145 MBbld in 2021. The increased production was primarily in the Permian Basin.

Wellhead natural gas revenues in 2020 decreased $3472022 increased $1,337 million, or 29%55%, to $837$3,781 million from $1,184$2,444 million in 2019,2021, primarily due to a lowerhigher composite wellhead natural gas price ($2511,234 million) and a decreasean increase in natural gas deliveries ($96103 million). EOG's composite average wellhead natural gas price decreased 23%increased 49% to $1.83$6.93 per Mcf in 20202022 compared to $2.38$4.66 per Mcf in 2019.2021. Natural gas deliveries in 2020 decreased 8%2022 increased 4% to 1,2521,495 MMcfd as compared to 1,3661,436 MMcfd in 2019.2021. The decreaseincrease in production was primarily due to lower natural gas volumes in Trinidad, the Marcellus Shale and the Rocky Mountain area, partially offset by increased production of associated natural gas from the Permian Basin.Basin and higher deliveries in the Dorado gas play, partially offset by lower natural gas volumes due to the sale of certain legacy natural gas assets in the Rocky Mountain area in the first quarter of 2022, lower natural gas volumes in Trinidad and decreased production of associated natural gas from the Eagle Ford play.

During 2020,2022, EOG recognized net gainslosses on the mark-to-market of financial commodity derivative contracts of $1,145$3,982 million, which included net cash receivedpaid for settlements of crude oil, NGLNGLs and natural gas financial derivative contracts of $1,071$3,501 million. During 2019,2021, EOG recognized net gainslosses on the mark-to-market of financial commodity derivative contracts of $180$1,152 million, which included net cash receivedpaid for settlements of crude oil, NGLs and natural gas financial derivative contracts of $231$638 million.

Gathering, processing and marketing revenues are revenues generated from sales of third-party crude oil, NGLs and natural gas, as well as fees associated with gathering third-party natural gas and revenues from sales of EOG-owned sand. Purchases and sales of third-party crude oil and natural gas may be utilized in order to balance firm transportation capacity at third-party facilities with production in certain areas and to utilize excess capacity at EOG-owned facilities. EOG sells sand primarily in order to balance the timing of firm purchase agreements with completion operations and to utilize excess capacity at EOG-owned facilities.operations. Marketing costs represent the costs to purchase third-party crude oil, natural gas and sand and the associated transportation costs, as well as costs associated with EOG-owned sand sold to third parties.

Gathering, processing and marketing revenues less marketing costs in 2020 decreased $1242022 increased $46 million compared to 2019,2021, primarily due to higher margins on natural gas marketing activities, partially offset by lower margins on crude oil and condensate marketing activities.

2021 compared to 2020.Wellhead crude oil and condensate revenues in 2021 increased $5,339 million, or 92%, to $11,125 million from $5,786 million in 2020, due primarily to a higher composite average wellhead crude oil and condensate price ($4,852 million) and an increase in production ($487 million).EOG's composite wellhead crude oil and condensate price for 2021 increased 77% to $68.50 per barrel compared to $38.63 per barrel in 2020. Wellhead crude oil and condensate production in 2021 increased 9% to 445 MBbld as compared to 409 MBbld in 2020. The increased production was primarily in the Permian Basin, partially offset by decreased production in the Eagle Ford play.

NGLs revenues in 2021 increased $1,144 million, or 171%, to $1,812 million from $668 million in 2020 primarily due to a higher composite average wellhead NGLs price ($1,104 million) and an increase in production ($40 million). EOG's composite average wellhead NGLs price increased 156% to $34.35 per barrel in 2021 compared to $13.41 per barrel in 2020. NGLs production in 2021 increased 6% to 145 MBbld as compared to 136 MBbld in 2020. The increased production was primarily in the Permian Basin.

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Wellhead natural gas revenues in 2021 increased $1,607 million, or 192%, to $2,444 million from $837 million in 2020, primarily due to a higher composite wellhead natural gas price ($1,486 million) and an increase in natural gas deliveries ($121 million). EOG's composite average wellhead natural gas price increased 155% to $4.66 per Mcf in 2021 compared to $1.83 per Mcf in 2020. Natural gas deliveries in 2021 increased 15% to 1,436 MMcfd as compared to 1,252 MMcfd in 2020. The increase in production was primarily due to increased production of associated natural gas from the Permian Basin and higher natural gas volumes in Trinidad, partially offset by lower natural gas volumes associated with the dispositions of the Marcellus Shale assets in the third quarter of 2020 and the China assets in the second quarter of 2021.

During 2021, EOG recognized net losses on the mark-to-market of financial commodity derivative contracts of $1,152 million, which included net cash paid for settlements of crude oil, NGLs and natural gas financial derivative contracts of $638 million. During 2020, EOG recognized net gains on the mark-to-market of financial commodity derivative contracts of $1,145 million, which included net cash received from settlements of crude oil, NGLs and natural gas financial derivative contracts of $1,071 million.

Gathering, processing and marketing revenues less marketing costs in 2021 increased $230 million compared to 2020, primarily due to higher margins on crude oil and condensate and natural gas marketing activities. The margin on crude oil marketing activities in 2020 was negatively impacted by the price decline for crude oil in inventory awaiting delivery to customers and EOG's decision early in the second quarter of 2020 to reduce commodity price volatility by selling May and June 2020 deliveries under fixed price arrangements.

2019 compared to 2018. Wellhead crude oil and condensate revenues in 2019 increased $96 million, or 1%, to $9,613 million from $9,517 million in 2018, due primarily to an increase in production ($1,351 million); partially offset by a lower composite average wellhead crude oil and condensate price ($1,255 million). EOG's composite wellhead crude oil and condensate price for 2019 decreased 11% to $57.72 per barrel compared to $65.21 per barrel in 2018. Wellhead crude oil and condensate production in 2019 increased 14% to 456 MBbld as compared to 400 MBbld in 2018. The increased production was primarily in the Permian Basin and the Eagle Ford.

NGLs revenues in 2019 decreased $343 million, or 30%, to $784 million from $1,127 million in 2018 primarily due to a lower composite average wellhead NGLs price ($518 million), partially offset by an increase in production ($175 million). EOG's composite average wellhead NGLs price decreased 40% to $16.03 per barrel in 2019 compared to $26.60 per barrel in 2018. NGL production in 2019 increased 16% to 134 MBbld as compared to 116 MBbld in 2018. The increased production was primarily in the Permian Basin.

Wellhead natural gas revenues in 2019 decreased $118 million, or 9%, to $1,184 million from $1,302 million in 2018, primarily due to a lower composite wellhead natural gas price ($280 million), partially offset by an increase in natural gas deliveries ($162 million). EOG's composite average wellhead natural gas price decreased 18% to $2.38 per Mcf in 2019 compared to $2.92 per Mcf in 2018. Natural gas deliveries in 2019 increased 12% to 1,366 MMcfd as compared to 1,219 MMcfd in 2018. The increase in production was primarily due to higher deliveries in the United States resulting from increased production of associated natural gas from the Permian Basin and higher natural gas volumes in South Texas.
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During 2019, EOG recognized net gains on the mark-to-market of financial commodity derivative contracts of $180 million, which included net cash received for settlements of crude oil and natural gas financial derivative contracts of $231 million. During 2018, EOG recognized net losses on the mark-to-market of financial commodity derivative contracts of $166 million, which included net cash paid for settlements of crude oil and natural gas financial derivative contracts of $259 million.

Gathering, processing and marketing revenues less marketing costs in 2019 decreased $18 million compared to 2018, primarily due to lower margins on crude oil and condensate marketing activities, partially offset by higher margins on natural gas marketing activities.

Operating and Other Expenses

20202022 compared to 20192021.  During 2020,2022, operating expenses of $11,576$15,736 million were $2,105$3,196 million lowerhigher than the $13,681$12,540 million incurred during 2019.2021. The following table presents the costs per barrel of oil equivalent (Boe) for the years ended December 31, 20202022 and 2019:2021:
20202019 20222021
Lease and WellLease and Well$3.85 $4.58 Lease and Well$4.02 $3.75 
Transportation CostsTransportation Costs2.66 2.54 Transportation Costs2.91 2.85 
Gathering and Processing CostsGathering and Processing Costs1.87 1.85
Depreciation, Depletion and Amortization (DD&A) -Depreciation, Depletion and Amortization (DD&A) -Depreciation, Depletion and Amortization (DD&A) -
Oil and Gas PropertiesOil and Gas Properties11.85 12.25 Oil and Gas Properties10.21 11.58 
Other Property, Plant and EquipmentOther Property, Plant and Equipment0.47 0.31 Other Property, Plant and Equipment0.48 0.49 
General and Administrative (G&A)General and Administrative (G&A)1.75 1.64 General and Administrative (G&A)1.72 1.69 
Net Interest ExpenseNet Interest Expense0.74 0.62 Net Interest Expense0.54 0.59 
Total (1)
Total (1)
$21.32 $21.94 
Total (1)
$21.75 $22.80 
(1)Total excludes gathering and processing costs, exploration costs, dry hole costs, impairments, marketing costs and taxes other than income.

The primary factors impacting the cost components of per-unit rates of lease and well, transportation costs, gathering and processing costs, DD&A, G&A and net interest expenseG&A for 20202022 compared to 20192021 are set forth below.  See "Operating Revenues and Other" above for a discussion of production volumes.


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Lease and well expenses include expenses for EOG-operated properties, as well as expenses billed to EOG from other operators where EOG is not the operator of a property.  Lease and well expenses can be divided into the following categories: costs to operate and maintain crude oil and natural gas wells, the cost of workovers and lease and well administrative expenses.  Operating and maintenance costs include, among other things, pumping services, saltproduced water disposal, equipment repair and maintenance, compression expense, lease upkeep and fuel and power.  Workovers are operations to restore or maintain production from existing wells.

Each of these categories of costs individually fluctuates from time to time as EOG attempts to maintain and increase production while maintaining efficient, safe and environmentally responsible operations.  EOG continues to increase its operating activities by drilling new wells in existing and new areas.  Operating and maintenance costs within these existing and new areas, as well as the costs of services charged to EOG by vendors, fluctuate over time.

Lease and well expenses of $1,063$1,331 million in 2020 decreased $3042022 increased $196 million from $1,367$1,135 million in 20192021 primarily due to lowerhigher operating and maintenance costs in the United States ($157172 million) and in Canada ($25 million), lowerhigher workovers expenditures in the United States ($103 million) and lower lease and well administrative expenses in the United States ($1227 million). Lease and well expenses decreasedincreased in the United States primarily due to decreasedincreased operating activities resulting from decreased production, efficiency improvements and service cost reductions.increased production.

Transportation costs represent costs associated with the delivery of hydrocarbon products from the lease or an aggregation point on EOG's gathering system to a downstream point of sale.  Transportation costs include transportation fees, storage and terminal fees, the cost of compression (the cost of compressing natural gas to meet pipeline pressure requirements), the cost of dehydration (the cost associated with removing water from natural gas to meet pipeline requirements), gathering fees and fuel costs.

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Transportation costs of $735$966 million in 2020 decreased $232022 increased $103 million from $758$863 million in 20192021 primarily due to increased transportation costs related to production from the Permian Basin ($98 million), the Eagle Ford play ($10 million) and the Dorado gas play ($7 million), partially offset by decreased transportation costs in the Fort Worth Basin Barnett Shale ($27 million),related to production from the Rocky Mountain area ($248 million).

Gathering and processing costs represent operating and maintenance expenses and administrative expenses associated with operating EOG's gathering and processing assets as well as natural gas processing fees and certain NGLs fractionation fees paid to third parties. EOG pays third parties to process the majority of its natural gas production to extract NGLs.

Gathering and processing costs increased $62 million to $621 million in 2022 compared to $559 million in 2021 primarily due to increased gathering and processing fees related to production from the Permian Basin ($66 million) and increased operating and maintenance expenses related to production from the Permian Basin ($43 million) and the Eagle Ford play ($207 million), partially offset by increased transportation costsdecreased gathering and processing fees related to production from the Eagle Ford play ($30 million) and due to the sale of certain legacy natural gas assets in the Permian BasinRocky Mountain area in the first quarter of 2022 ($5628 million).

DD&A of the cost of proved oil and gas properties is calculated using the unit-of-production method.  EOG's DD&A rate and expense are the composite of numerous individual DD&A group calculations.  There are several factors that can impact EOG's composite DD&A rate and expense, such as field production profiles, drilling or acquisition of new wells, disposition of existing wells and reserve revisions (upward or downward) primarily related to well performance, economic factors and impairments.  Changes to these factors may cause EOG's composite DD&A rate and expense to fluctuate from period to period.  DD&A of the cost of other property, plant and equipment is generally calculated using the straight-line depreciation method over the useful lives of the assets. 

DD&A expenses in 20202022 decreased $350$109 million to $3,400$3,542 million from $3,750$3,651 million in 2019.2021.  DD&A expenses associated with oil and gas properties in 20202022 were $390$117 million lower than in 20192021 primarily due to a decrease in production in the United States ($222 million) and Trinidad ($22 million) and lower unit rates in the United States ($150472 million) and lower production in Trinidad ($15 million), partially offset by an increase in production in the United States ($375 million). Unit rates in the United States decreased primarily due to upward reserve revisions related to higher average crude oil, NGLs and natural gas prices used in the prior year's reserve estimation process and to reserves added at lower costs as a result of increased efficiencies. DD&A expenses associated with other property, plant and equipment in 2020 were $40 million higher than in 2019 primarily due to an increase in expense related to gathering and storage assets and equipment.

G&A expenses of $484$570 million in 2020 decreased $52022 increased $59 million from $489$511 million in 20192021 primarily due to decreaseda net increase in costs associated with corporate support activities, including employee-related expenses, ($43 million) and professional and other services ($7 million), partially offset by idle equipment and termination fees ($46 million).services.

Net interest expense of $205 million in 2020 was $20 million higher than 2019 primarily due to the issuance of the Notes in April 2020 ($51 million) and lower capitalized interest ($7 million), partially offset by repayment in June 2019 of the $900 million aggregate principal amount of 5.625% Senior Notes due 2019 ($21 million), repayment in June 2020 of the $500 million aggregate principal amount of 4.40% Senior Notes due 2020 ($13 million) and repayment in April 2020 of the $500 million aggregate principal amount of 2.45% Senior Notes due 2020 ($10 million).
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Gathering and processing costs represent operating and maintenance expenses and administrative expenses associated with operating EOG's gathering and processing assets as well as natural gas processing fees and certain NGLs fractionation fees paid to third parties. EOG pays third parties to process the majority of its natural gas production to extract NGLs.

Gathering and processing costs decreased $20 million to $459 million in 2020 compared to $479 million in 2019 primarily due to decreased operating costs in the Eagle Ford ($16 million) and decreased gathering and processing fees in the Eagle Ford ($9 million) and the Fort Worth Basin Barnett Shale ($5 million); partially offset by increased gathering and processing fees in the Permian Basin ($15 million).

Exploration costs of $146 million in 2020 increased $6 million from $140 million in 2019 primarily due to increased geological and geophysical expenditures in the United States ($15 million), partially offset by decreased general and administrative expenses in the United States ($8 million).

Impairments include: amortization of unproved oil and gas property costs as well as impairments of proved oil and gas properties; other property, plant and equipment; and other assets.  Unproved properties with acquisition costs that are not individually significant are aggregated, and the portion of such costs estimated to be nonproductive is amortized over the remaining lease term.  Unproved properties with individually significant acquisition costs are reviewed individually for impairment. When circumstances indicate that a proved property may be impaired, EOG compares expected undiscounted future cash flows at a DD&A group level to the unamortized capitalized cost of the asset.group.  If the expected undiscounted future cash flows, based on EOG's estimates of (and assumptions regarding) future crude oil, NGLs and natural gas prices, operating costs, development expenditures, anticipated production from proved reserves and other relevant data, are lower than the unamortized capitalized cost, the capitalized cost is reduced to fair value.  Fair value is generally calculated by using the Income Approach described in the Fair Value Measurement Topic of the Financial Accounting Standards Board's Accounting Standards Codification (ASC).  In certain instances, EOG utilizes accepted offers from third-party purchasers as the basis for determining fair value.

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The following table represents impairments for the years ended December 31, 20202022 and 20192021 (in millions):
20202019 20222021
Proved propertiesProved properties$1,268 $207 Proved properties$120 $20 
Unproved propertiesUnproved properties472 220 Unproved properties206 310 
Other assetsOther assets300 91 Other assets29 28 
InventoriesInventories25 13 
Firm commitment contractsFirm commitment contracts60 — Firm commitment contracts
TotalTotal$2,100 $518 Total$382 $376 

Impairments of provedunproved oil and gas properties were primarilyincluded charges of $38 million in 2021 due to the write-downdecision in the fourth quarter of 2021 to fair value of legacyexit Block 36 and non-core natural gas and crude oil and combo playsBlock 49 in 2020 and legacy natural gas assets in 2019.Oman.

Taxes other than income include severance/production taxes, ad valorem/property taxes, payroll taxes, franchise taxes and other miscellaneous taxes.  Severance/production taxes are generally determined based on wellhead revenues, and ad valorem/property taxes are generally determined based on the valuation of the underlying assets.

Taxes other than income in 2020 decreased $3222022 increased $538 million to $478$1,585 million (6.6%(7.0% of wellhead revenues) from $800$1,047 million (6.9%(6.8% of wellhead revenues) in 2019.2021. The decreaseincrease in taxes other than income was primarily due to decreasedincreased severance/production taxes in the United States ($232514 million), decreasedincreased ad valorem/property taxes ($130 million) and increased payroll taxes ($7 million), partially offset by increased state severance tax refunds ($119 million), all in the United States ($51 million) and a state severance tax refund ($27 million).States.

Other income, net, was $10$114 million in 20202022 compared to other income, net, of $31$9 million in 2019.2021. The decreaseincrease of $21$105 million in 20202022 was primarily due to a decreasean increase in interest income.

In response to the economic impacts of the COVID-19 pandemic, the President of the United States signed the Coronavirus Aid, Relief,income ($81 million) and Economic Security Act (the CARES Act) into law on March 27, 2020. The CARES Act provides economic support to individuals and businesses through enhanced loan programs, expanded unemployment benefits, and certain payroll andhigher equity income tax relief, among other provisions.  The primary tax benefit of the CARES Act for EOG was the acceleration of approximately $150 million of additional refundable alternative minimum tax (AMT) credits into tax year 2019.  These credits originated from AMT paid by EOGammonia plants in years prior to 2018 and were reflected as a deferred tax asset and a non-current receivable as of December 31, 2019 since they had been expected to either offset future current tax liabilities or be refunded on a declining balance schedule through 2021. The $150 million of additional refundable AMT credits was received in July 2020.

Further pandemic relief was contained in the Consolidated Appropriations Act of 2021 (the CA Act) which was signed into law by the President of the United States on December 27, 2020. In addition, the CA Act provided government funding and limited corporate income tax relief primarily related to making permanent or extending certain tax provisions, none of which were a material benefit for EOG.Trinidad ($28 million).

EOG recognized an income tax benefitprovision of $135$2,142 million in 20202022 compared to an income tax provision of $810$1,269 million in 2019,2021, primarily due to decreasedincreased pretax income. The net effective tax rate for 2020 decreased2022 increased to 18%22% from 23%21% in 2019. The lower effective tax rate is mostly due to taxes attributable to EOG's foreign operations and increased stock-based compensation tax deficiencies.2021.


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20192021 compared to 20182020.  During 2019,2021, operating expenses of $13,681$12,540 million were $875$964 million higherlower than the $12,806$11,576 million incurred during 2018.2020. The following table presents the costs per Boe for the years ended December 31, 20192021 and 2018:2020:
 20192018
Lease and Well$4.58 $4.89 
Transportation Costs2.54 2.85 
Depreciation, Depletion and Amortization (DD&A) -
Oil and Gas Properties12.25 12.65 
Other Property, Plant and Equipment0.31 0.44 
General and Administrative (G&A)1.64 1.63 
Net Interest Expense0.62 0.93 
Total (1)
$21.94 $23.39 

 20212020
Lease and Well$3.75 $3.85 
Transportation Costs2.85 2.66 
Gathering and Processing Costs1.85 1.66 
Depreciation, Depletion and Amortization (DD&A) -
Oil and Gas Properties11.58 11.85 
Other Property, Plant and Equipment0.49 0.47 
General and Administrative (G&A)1.69 1.75 
Net Interest Expense0.59 0.74 
Total (1)
$22.80 $22.98 
(1)Total excludes gathering and processing costs, exploration costs, dry hole costs, impairments, marketing costs and taxes other than income.

The primary factors impacting the cost components of per-unit rates of lease and well, transportation costs, gathering and processing costs, DD&A, G&A and net interest expense for 20192021 compared to 20182020 are set forth below.  See "Operating Revenues and Other" above for a discussion of production volumes.

Lease and well expenses of $1,367$1,135 million in 20192021 increased $84$72 million from $1,283$1,063 million in 20182020 primarily due to higher operating and maintenance costs in the United States ($7633 million) and in Trinidad ($5 million), higher workovers expenditures in the United States ($25 million) and higher lease and well administrative expenses ($29 million) in the United States ($12 million); partially offset by lower operating and maintenance costs in Canada ($6 million) and as a result of the United Kingdom ($15 million) due todisposition of all of the sale of operationsChina assets in the fourthsecond quarter of 2018 and in Canada2021 ($115 million). Lease and well expenses increased in the United States primarily due to increased operating activities resulting infrom increased production.

Transportation costs of $758$863 million in 20192021 increased $11$128 million from $747$735 million in 20182020 primarily due to increased transportation costs in the Permian Basin ($91121 million) and South Texasthe Rocky Mountain area ($1122 million), partially offset by decreased transportation costs in the Eagle Ford play ($7713 million).

Gathering and processing costs increased $100 million to $559 million in 2021 compared to $459 million in 2020 primarily due to increased gathering and processing fees related to production from the Permian Basin ($51 million) and the Fort WorthRocky Mountain area ($10 million), increased operating costs in the Permian Basin Barnett Shale ($1326 million) and the Rocky Mountain area ($7 million) and increased administrative expenses in the United States ($15 million); partially offset by decreased gathering and processing fees in the Eagle Ford play ($5 million).

DD&A expenses in 20192021 increased $315$251 million to $3,750$3,651 million from $3,435$3,400 million in 2018.2020. DD&A expenses associated with oil and gas properties in 20192021 were $337$235 million higher than in 20182020 primarily due to an increase in production in the United States ($489307 million) and Trinidad ($12 million) and higher unit rates in Trinidad ($14 million), partially offset by lower unit rates in the United States ($119 million) and the sale of the United Kingdom operations in the fourth quarter of 2018 ($3385 million). Unit rates in the United States decreased primarily due to upward reserve revisions and reserves added at lower costs as a result of increased efficiencies. DD&A expenses associated with other property, plant and equipment in 2021 were $15 million higher than in 2020 primarily due to an increase in expense related to storage assets.

G&A expenses of $489$511 million in 20192021 increased $62$27 million from $427$484 million in 20182020 primarily due to increaseda net increase in costs associated with corporate support activities, including employee-related expenses ($48 million) and increased information systemssystem costs ($8 million) resulting from expanded operations.

Net interest expense of $185 million in 2019 was $60 million lower than 2018 primarily due to repayment of the $900 million aggregate principal amount of 5.625% Senior Notes due 2019 in June 2019 ($30 million) and the $350 million aggregate principal amount of 6.875% Senior Notes due 2018 in October 2018 ($18 million) and an increase in capitalized interest ($14 million).

Gathering and processing costs increased $42 million to $479 million in 2019 compared to $437 million in 2018 primarily due to increased operating costs and fees in the Permian Basin ($52 million), the Rocky Mountain area ($13 million) and South Texas ($554 million); partially offset by decreased operating costsa decrease in the United Kingdomidle equipment and termination fees ($3346 million) due to the sale of operations in the fourth quarter of 2018..

Exploration costs of $140 million in 2019 decreased $9 million from $149 million in 2018 primarily due to decreased geological and geophysical expenditures in the Trinidad ($17 million), partially offset by increased general and administrative expenses in the United States ($7 million).

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Net interest expense of $178 million in 2021 was $27 million lower than 2020 primarily due to repayment in February 2021 of the $750 million aggregate principal amount of 4.100% Senior Notes due 2021 ($29 million), repayment in June 2020 of the $500 million aggregate principal amount of 4.40% Senior Notes due 2020 ($9 million), repayment in April 2020 of the $500 million aggregate principal amount of 2.45% Senior Notes due 2020 ($3 million) and lower interest payments for late royalty payments on Oklahoma properties ($6 million), partially offset by the issuance in April 2020 of the $750 million aggregate principal amount of 4.950% Senior Notes due 2050 ($11 million) and $750 million aggregate principal amount of 4.375% Senior Notes due 2030 ($10 million).

Exploration costs of $154 million in 2021 increased $8 million from $146 million in 2020 primarily due to increased geological and geophysical expenditures in the United States.

The following table represents impairments for the years ended December 31, 20192021 and 20182020 (in millions):
20192018 20212020
Proved propertiesProved properties$207 $121 Proved properties$20 $1,268 
Unproved propertiesUnproved properties220 173 Unproved properties310 472 
Other assetsOther assets91 49 Other assets28 300 
InventoriesInventories— Inventories13 — 
Firm commitment contractsFirm commitment contracts60 
TotalTotal$518 $347 Total$376 $2,100 

Impairments of proved properties in 2020 were primarily due to the decline in commodity prices and were primarily related to the write-down to fair value of legacy and non-core natural gas, crude oil and combo plays in the United States. Impairments of unproved oil and gas properties included charges of $38 million in 2021 due to the decision in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman and $252 million in 2020 for certain leasehold costs that are no longer expected to be developed before expiration. Impairments of other assets in 20192020 were primarily for the write-down to fair value of sand and 2018.crude-by-rail assets and a commodity price-related write-down of other assets. Impairments of firm commitment contracts in 2020 were a result of the decision to exit the Horn River Basin in Canada.

Taxes other than income in 20192021 increased $28$569 million to $800$1,047 million (6.9%(6.8% of wellhead revenues) from $772$478 million (6.5%(6.6% of wellhead revenues) in 2018.2020. The increase in taxes other than income was primarily due to an increase in ad valorem/property taxes ($53 million), partially offset by an increase in credits available to EOG in 2019 for state incentive severance tax rate reductions ($12 million) and a decrease inincreased severance/production taxes ($12 million) primarily as a result of decreased wellhead revenues, all in the United States.

Other income, net, was $31 millionStates ($522 million), increased severance/production taxes in 2019 compared to other income, net, of $17 million in 2018. The increase of $14 million in 2019 was primarily due to an increase in interest incomeTrinidad ($147 million) and an increase in foreign currency transaction gainsdecreased state severance tax refunds ($9 million), partially offset by an increase in deferred compensation expense ($439 million).

EOG recognized an income tax provision of $810$1,269 million in 20192021 compared to an income tax provisionbenefit of $822$134 million in 2018,2020, primarily due to decreasedincreased pretax income, partially offset by the absence of tax benefits from certain tax reform measurement-period adjustments.income. The net effective tax rate for 20192021 increased to 23%21% from 19%18% in the prior year, primarily2020. The higher effective tax rate is mostly due to taxes attributable to EOG's foreign operations and stock-based compensation tax deficiencies increasing the absence ofeffective tax benefits from certainrate on pretax income in 2021 and decreasing the effective tax reform measurement-period adjustments.rate on pretax loss in 2020.


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Capital Resources and Liquidity

Cash Flow

The primary sources of cash for EOG during the three-year period ended December 31, 2020,2022, were funds generated from operations net proceeds from the issuance of long-term debt, net cash received from settlements of commodity derivative contracts and proceeds from asset sales.  The primary uses of cash were funds used in operations; exploration and development expenditures; repayments of debt; dividend payments to stockholders andstockholders; net repayment of debt; net cash paid for settlements of financial commodity derivative contracts; other property, plant and equipment expenditures.expenditures; and net collateral posted for financial commodity derivative contracts.

20202022 compared to 2019.2021.  Net cash provided by operating activities of $5,008$11,093 million in 2020 decreased $3,1552022 increased $2,302 million from $8,163$8,791 million in 20192021 primarily due to a decreasean increase in wellhead revenues ($4,2917,415 million); unfavorable changes, partially offset by an increase in working capital and other assets and liabilitiesnet cash paid for settlements of financial commodity derivative contracts ($1662,863 million); a decrease in gathering, processing and marketing revenues less marketing costs ($124 million) and an increase in net cash paid for income taxes ($861,361 million); partially offset byand an increase in cash received for settlements of commodity derivative contracts ($840 million) and a decrease in cash operating expenses ($641982 million).

Net cash used in investing activities of $3,348$5,056 million in 2020 decreased2022 increased by $2,829$1,637 million from $6,177$3,419 million in 2019 primarily due to a decrease in additions to oil and gas properties ($2,908 million); an increase in proceeds from the sale of assets ($52 million); a decrease in additions to other property, plant and equipment ($49 million); and a decrease in other investing activities ($10 million); partially offset by an unfavorable change in working capital associated with investing activities ($190 million).

Net cash used in financing activities of $359 million in 2020 included repayments of long-term debt ($1,000 million), cash dividend payments ($821 million), repayment of finance lease liabilities ($19 million) and purchases of treasury stock in connection with stock compensation plans ($16 million). Cash provided by financing activities in 2020 included long-term debt borrowings ($1,484 million) and proceeds from stock options exercised and employee stock purchase plan activity ($16 million). 


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2019 compared to 2018.  Net cash provided by operating activities of $8,163 million in 2019 increased $394 million from $7,769 million in 2018 primarily reflecting an increase in cash received for settlements of commodity derivative contracts ($490 million), a decrease in net cash paid for income taxes ($367 million) and favorable changes in working capital and other assets and liabilities ($122 million); partially offset by a decrease in wellhead revenues ($365 million) and an increase in cash operating expenses ($202 million).

Net cash used in investing activities of $6,177 million in 2019 increased by $7 million from $6,170 million in 20182021 primarily due to an increase in additions to oil and gas properties ($313981 million), a decreasenet cash used in proceeds from the sale of assetsworking capital associated with investing activities in 2022 ($87375 million) andcompared to net cash provided by working capital associated with investing activities in 2021 ($200 million); an increase in additions to other property, plant and equipment ($33169 million); partially offset by favorable changes in working capital associated with investing activities ($416 million) and a decreasean increase in other investing activities ($1030 million), partially offset by an increase in proceeds from the sales of assets ($118 million).

Net cash used in financing activities of $1,513$5,273 million in 20192022 included repayments of long-term debt ($900 million), cash dividend payments ($5885,148 million) and, purchases of treasury stock in connection with stock compensation plans ($25118 million) and repayment of finance lease liabilities ($35 million). Cash provided by financing activities in 20192022 included proceeds from stock options exercised and employee stock purchase plan activity ($1828 million). 

2021 compared to 2020. Net cash provided by operating activities of $8,791 million in 2021 increased $3,783 million from $5,008 million in 2020 primarily due to an increase in wellhead revenues ($8,090 million) and an increase in gathering, processing and marketing revenues less marketing costs ($230 million); partially offset by an increase in net cash paid for settlements of financial commodity derivative contracts ($1,709 million); an increase in net cash paid for income taxes ($1,320 million); net cash used in working capital in 2021 ($817 million) compared to net cash provided by working capital in 2020 ($193 million); and an increase in cash operating expenses ($882 million).

Net cash used in investing activities of $3,419 million in 2021 increased by $71 million from $3,348 million in 2020 primarily due to an increase in additions to oil and gas properties ($394 million), partially offset by net cash provided by working capital associated with investing activities in 2021 ($200 million) compared to net cash used in working capital associated with investing activities in 2020 ($75 million); an increase in proceeds from the sales of assets ($39 million); and a decrease in additions to other property, plant and equipment ($9 million).

Net cash used in financing activities of $3,493 million in 2021 included cash dividend payments ($2,684 million), repayments of long-term debt ($750 million), purchases of treasury stock in connection with stock compensation plans ($41 million) and repayment of finance lease liabilities ($37 million). Cash provided by financing activities in 2021 included proceeds from stock options exercised and employee stock purchase plan activity ($19 million).

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Total Expenditures

The table below sets out components of total expenditures for the years ended December 31, 2020, 20192022, 2021 and 20182020 (in millions):
202020192018 202220212020
Expenditure CategoryExpenditure CategoryExpenditure Category
CapitalCapitalCapital
Exploration and Development DrillingExploration and Development Drilling$2,664 $4,951 $4,935 Exploration and Development Drilling$3,675 $2,864 $2,664 
FacilitiesFacilities347 629 625 Facilities411 405 347 
Leasehold Acquisitions (1)
Leasehold Acquisitions (1)
265 276 488 
Leasehold Acquisitions (1)
186 215 265 
Property Acquisitions (2)
Property Acquisitions (2)
135 380 124 
Property Acquisitions (2)
419 100 135 
Capitalized InterestCapitalized Interest31 38 24 Capitalized Interest36 33 31 
SubtotalSubtotal3,442 6,274 6,196 Subtotal4,727 3,617 3,442 
Exploration CostsExploration Costs146 140 149 Exploration Costs159 154 146 
Dry Hole CostsDry Hole Costs13 28 Dry Hole Costs45 71 13 
Exploration and Development ExpendituresExploration and Development Expenditures3,601 6,442 6,350 Exploration and Development Expenditures4,931 3,842 3,601 
Asset Retirement CostsAsset Retirement Costs117 186 70 Asset Retirement Costs298 127 117 
Total Exploration and Development ExpendituresTotal Exploration and Development Expenditures3,718 6,628 6,420 Total Exploration and Development Expenditures5,229 3,969 3,718 
Other Property, Plant and Equipment (3)
Other Property, Plant and Equipment (3)
395 272 286 
Other Property, Plant and Equipment (3)
381 286 395 
Total ExpendituresTotal Expenditures$4,113 $6,900 $6,706 Total Expenditures$5,610 $4,255 $4,113 
(1)Leasehold acquisitions included $197$127 million, $98$45 million and $291$197 million related to non-cash property exchanges in 2020, 20192022, 2021 and 2018,2020, respectively.
(2)Property acquisitions included $15$26 million, $52$5 million and $71$15 million related to non-cash property exchanges in 2020, 20192022, 2021 and 2018,2020, respectively.
(3)Other property, plant and equipment included non-cash additions of $74 million and $174 million, primarily related to finance lease transactions for storage facilities in 2021 and $49 million, primarily related to a finance lease transaction in the Permian Basin, in 2020, and 2018, respectively.


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Exploration and development expenditures of $3,601$4,931 million for 20202022 were $2,841$1,089 million lowerhigher than the prior year. The decreaseincrease was primarily due to decreasedincreased exploration and development drilling expenditures in the United States ($2,309 million), decreased facilities expenditures ($282763 million) and decreasedincreased property acquisitions ($245319 million), partially offset by increased. The 2022 exploration and development expenditures of $4,931 million included $3,962 million in development drilling and facilities, $514 million in exploration, $419 million in property acquisitions and $36 million in capitalized interest. The 2021 exploration and development expenditures of $3,842 million included $3,172 million in Trinidad ($27 million). development drilling and facilities, $537 million in exploration, $100 million in property acquisitions and $33 million in capitalized interest.The 2020 exploration and development expenditures of $3,601 million included $2,905 million in development drilling and facilities, $530 million in exploration, $135 million in property acquisitions and $31 million in capitalized interest. The 2019 exploration and development expenditures of $6,442 million included $5,513 million in development drilling and facilities, $511 million in exploration, $380 million in property acquisitions and $38 million in capitalized interest. The 2018 exploration and development expenditures of $6,350 million included $5,546 million in development drilling and facilities, $656 million in exploration, $124 million in property acquisitions and $24 million in capitalized interest.

The level of exploration and development expenditures, including acquisitions, will vary in future periods depending on energy market conditions and other economic factors.  EOG believes it has significant flexibility and availability with respect to financing alternatives and the ability to adjust its exploration and development expenditure budget as circumstances warrant.  While EOG has certain continuing commitments associated with expenditure plans related to its operations, such commitments are not expected to be material when considered in relation to the total financial capacity of EOG.

Commodity Derivative Transactions

Crude Oil Derivative Contracts. Prices received by EOG for its crude oil production generally vary from U.S. New York Mercantile Exchange (NYMEX) West Texas Intermediate (WTI) prices due to adjustments for delivery location (basis) and other factors. EOG has entered into crude oil basis swap contracts in order to fix the differential between Intercontinental Exchange (ICE) Brent pricing and pricing in Cushing, Oklahoma (ICE Brent Differential). Presented below is a comprehensive summary of EOG's ICE Brent Differential basis swap contracts through February 18, 2021. The weighted average price differential expressed in $/Bbl represents the amount of addition to Cushing, Oklahoma, prices for the notional volumes expressed in Bbld covered by the basis swap contracts.
ICE Brent Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
May 2020 (closed)10,000 $4.92 

EOG has also entered into crude oil basis swap contracts in order to fix the differential between pricing in Houston, Texas, and Cushing, Oklahoma (Houston Differential). Presented below is a comprehensive summary of EOG's Houston Differential basis swap contracts through February 18, 2021. The weighted average price differential expressed in $/Bbl represents the amount of addition to Cushing, Oklahoma, prices for the notional volumes expressed in Bbld covered by the basis swap contracts.
Houston Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
May 2020 (closed)10,000 $1.55 

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Financial Commodity Derivative Transactions

Presented below is a comprehensive summary of EOG's financial commodity derivative contracts settled during the year ended December 31, 2022 (closed) and remaining for 2023 and thereafter, as of February 16, 2023. Crude oil volumes are presented in MBbld and prices are presented in $/Bbl. Natural gas volumes are presented in MMBtu per day (MMBtud) and prices are presented in dollars per MMBtu ($/MMBtu).

Crude Oil Financial Price Swap Contracts
Contracts SoldContracts Purchased
PeriodSettlement IndexVolume (MBbld)Weighted Average
Price ($/Bbl)
Volume (MBbld)Weighted Average
Price ($/Bbl)
January - March 2022 (closed)NYMEX WTI140 $65.58 — $— 
April - June 2022 (closed)NYMEX WTI140 65.62 — — 
July - September 2022 (closed)NYMEX WTI140 65.59 — — 
October - December 2022 (closed) (1)
NYMEX WTI53 66.11 — — 
October - December 2022 (closed)NYMEX WTI87 65.41 87 88.85 
January - March 2023 (closed) (1) (2)
NYMEX WTI55 67.96 — — 
January 2023 (closed)NYMEX WTI95 67.90 102.26 
February - March 2023NYMEX WTI95 67.90 102.26 
April - May 2023 (closed) (1)
NYMEX WTI29 68.28 — — 
April - May 2023NYMEX WTI91 67.63 98.15 
June 2023 (closed) (1)
NYMEX WTI118 67.77 — — 
June 2023NYMEX WTI69.10 98.15 
July - September 2023 (closed) (1)
NYMEX WTI100 70.15 — — 
October - December 2023 (closed) (1)
NYMEX WTI69 69.41 — — 
_________________
(1)    In the second quarter of 2022, EOG has also entered intoexecuted the early termination provision granting EOG the right to terminate certain of its October 2022 - December 2023 crude oil swaps in orderfinancial price swap contracts which were open at that time. EOG paid net cash of $593 million for the settlement of these contracts.
(2)    In the third quarter of 2022, EOG executed the early termination provision granting EOG the right to terminate certain of its January 2023 - March 2023 crude oil financial price swap contracts which were open at that time. EOG paid net cash of $63 million for the settlement of these contracts.

Crude Oil Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average
Price Differential
($/Bbl)
January - December 2022 (closed)
NYMEX WTI Roll Differential (1)
125 $0.15 
_________________
(1)    This settlement index is used to fix the differential in pricing between the NYMEX calendar month average and the physical crude oil delivery month (Roll Differential). Presented below is a comprehensive summary of EOG's Roll Differential basis swap contracts through February 18, 2021. The weighted average price differential expressed in $/Bbl represents the amount of net addition (reduction) to delivery month prices for the notional volumes expressed in Bbld covered by the swap contracts.month.

Roll Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
February 1, 2020 through June 30, 2020 (closed)10,000 $0.70 
July 1, 2020 through September 30, 2020 (closed)88,000 (1.16)
October 1, 2020 through December 31, 2020 (closed)66,000 (1.16)
2021
February 2021 (closed)30,000 $0.11 
March 1, 2021 through December 31, 2021125,000 0.17 
2022
January 1, 2022 through December 31, 2022125,000 $0.15 

In May 2020, EOG entered into crude oil Roll Differential basis swap contracts for the period from July 1, 2020 through September 30, 2020, with notional volumes of 22,000 Bbld at a weighted average price differential of $(0.43) per Bbl, and for the period from October 1, 2020 through December 31, 2020, with notional volumes of 44,000 Bbld at a weighted average price differential of $(0.73) per Bbl. These contracts partially offset certain outstanding Roll Differential basis swap contracts for the same time periods and volumes at a weighted average price differential of $(1.16) per Bbl. EOG paid net cash of $3.2 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.

Presented below is a comprehensive summary of EOG's crude oil NYMEX WTI price swap contracts through February 18, 2021, with notional volumes expressed in Bbld and prices expressed in $/Bbl.
Crude Oil NYMEX WTI Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
January 1, 2020 through March 31, 2020 (closed)200,000 $59.33 
April 1, 2020 through May 31, 2020 (closed)265,000 51.36 
2021
January 2021 (closed)151,000 $50.06 
February 1, 2021 through March 31, 2021201,000 51.29 
April 1, 2021 through June 30, 2021150,000 51.68 
July 1, 2021 through September 30, 2021150,000 52.71 


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Natural Gas Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average
Price ($/MMBtu)
January - September 2022 (closed)NYMEX Henry Hub725 $3.57 
October - December 2022 (closed) (1)
NYMEX Henry Hub425 3.05 
October - December 2022 (closed)NYMEX Henry Hub300 4.32 
January - December 2023 (closed) (1)
NYMEX Henry Hub425 3.05 
January - February 2023 (closed)NYMEX Henry Hub300 3.36 
March - December 2023NYMEX Henry Hub300 3.36 
January - December 2024NYMEX Henry Hub725 3.07 
January - December 2025NYMEX Henry Hub725 3.07 
_________________
(1)    In April and May 2020,the second quarter of 2022, EOG entered into crude oil NYMEX WTIexecuted the early termination provision granting EOG the right to terminate certain of its October 2022 - December 2023 natural gas financial price swap contracts for the period from June 1, 2020 through June 30, 2020, with notional volumes of 265,000 Bbldwhich were open at a weighted average price of $33.80 per Bbl, for the period from July 1, 2020 through July 31, 2020, with notional volumes of 254,000 Bbld at a weighted average price of $33.75 per Bbl, for the period from August 1, 2020 through September 30, 2020, with notional volumes of 154,000 Bbld at a weighted average price of $34.18 per Bbl and for the period from October 1, 2020 through December 31, 2020, with notional volumes of 47,000 Bbld at a weighted average price of $30.04 per Bbl. These contracts offset the remaining crude oil NYMEX WTI price swap contracts for the same time periods and volumes at a weighted average price of $51.36 per Bbl for the period from June 1, 2020 through June 30, 2020, $42.36 per Bbl for the period from July 1, 2020 through July 31, 2020, $50.42 per Bbl for the period from August 1, 2020 through September 30, 2020 and $31.00 per Bbl for the period from October 1, 2020 through December 31, 2020.that time. EOG receivedpaid net cash of $364.0$735 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.

Presented below
Natural Gas Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average
Price Differential
($/MMBtu)
January - December 2022 (closed)
NYMEX Henry Hub HSC Differential (1)
210 $0.01 
January - February 2023 (closed)NYMEX Henry Hub HSC Differential135 0.01 
March - December 2023NYMEX Henry Hub HSC Differential135 0.01 
January - December 2024NYMEX Henry Hub HSC Differential10 0.00 
January - December 2025NYMEX Henry Hub HSC Differential10 0.00 
_________________
(1)    This settlement index is a comprehensive summary of EOG's crude oil ICE Brent price swap contracts through February 18, 2021, with notional volumes expressed in Bbldused to fix the differential between pricing at the Houston Ship Channel and prices expressed in $/Bbl.NYMEX Henry Hub prices.

Crude Oil ICE Brent Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
April 2020 (closed)75,000 $25.66 
May 2020 (closed)35,000 26.53 
NGLs Derivative Contracts. Presented below is a comprehensive summary of EOG's Mont Belvieu propane (non-TET) price swap contracts through February 18, 2021, with notional volumes expressed in Bbld and prices expressed in $/Bbl.
Mont Belvieu Propane Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
January 1, 2020 through February 29, 2020 (closed)4,000 $21.34 
March 1, 2020 through April 30, 2020 (closed)25,000 17.92
2021
January 2021 (closed)15,000 $29.44 
February 1, 2021 through December 31, 202115,000 29.44

In April and May 2020, EOG entered into Mont Belvieu propane price swap contracts for the period from May 1, 2020 through December 31, 2020, with notional volumes of 25,000 Bbld at a weighted average price of $16.41 per Bbl. These contracts offset the remaining Mont Belvieu propane price swap contracts for the same time period with notional volumes of 25,000 Bbld at a weighted average price of $17.92 per Bbl. EOG received net cash of $9.2 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.


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Natural Gas Derivative Contracts. Presented below is a comprehensive summary of EOG's natural gas NYMEX Henry Hub price swap contracts through February 18, 2021, with notional volumes sold (purchased) expressed in million British thermal units (MMBtu) per day (MMBtud) and prices expressed in dollars per MMBtu ($/MMBtu). In January 2021, EOG executed the early termination provision granting EOG the right to terminate certain 2022 natural gas NYMEX Henry Hub price swap contracts with notional volumes of 20,000 MMBtud at a weighted average price of $2.75 per MMBtu for the period from January 1, 2022 through December 31, 2022. EOG received net cash of $0.6 million for the settlement of these contracts.
Natural Gas NYMEX Henry Hub Price Swap Contracts
 Volume (MMBtud)Weighted Average Price ($/MMBtu)
2021
April 1, 2021 through September 30, 2021(70,000)$2.64 
2022
January 1, 2022 through December 31, 2022 (closed)20,000 $2.75 

In December 2020 and January 2021, EOG entered into natural gas NYMEX Henry Hub price swap contracts for the period from January 1, 2021 through March 31, 2021, with notional volumes of 500,000 MMBtud at a weighted average price of $2.43 per MMBtu and for the period from April 1, 2021 through December 31, 2021, with notional volumes of 500,000 MMBtud at a weighted average price of $2.83 per MMBtu.These contracts offset the remaining natural gas NYMEX Henry Hub price swap contracts for the same time periods with notional volumes of 500,000 MMBtud at a weighted average price of $2.99 per MMBtu.EOG received net cash of $16.5 million through February 18, 2021, for the settlement of certain of these contracts, and expects to receive net cash of $30.3 million during the remainder of 2021 for the settlement of the remaining contracts.The offsetting contracts were excluded from the above table.

Presented below is a comprehensive summary of EOG's natural gas Japan Korea Marker (JKM) price swap contracts through February 18, 2021, with notional volumes expressed in MMBtud and prices expressed in $/MMBtu.

Natural Gas JKM Price Swap Contracts
 Volume (MMBtud)Weighted Average Price ($/MMBtu)
2021
April 1, 2021 through September 30, 202170,000 $6.65 

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EOG has entered into natural gas collar contracts, which establish ceiling and floor prices for the sale of notional volumes of natural gas as specified in the collar contracts.The collars require that EOG pay the difference between the ceiling price and the Henry Hub Index Price in the event the Henry Hub Index Price is above the ceiling price.The collars grant EOG the right to receive the difference between the floor price and the Henry Hub Index Price in the event the Henry Hub Index Price is below the floor price.In March 2020, EOG executed the early termination provision granting EOG the right to terminate certain 2020 natural gas collar contracts with notional volumes of 250,000 MMBtud at a weighted average ceiling price of $2.50 per MMBtu and a weighted average floor price of $2.00 per MMBtu for the period from April 1, 2020 through July 31, 2020.EOG received net cash of $7.8 million for the settlement of these contracts.Presented below is a comprehensive summary of EOG's natural gas collar contracts through February 18, 2021, with notional volumes expressed in MMBtud and prices expressed in $/MMBtu.

Natural Gas Collar Contracts
Weighted Average Price ($/MMBtu)
 Volume (MMBtud)Ceiling PriceFloor Price
2020
April 1, 2020 through July 31, 2020 (closed)250,000 $2.50 $2.00 

In April 2020, EOG entered into natural gas collar contracts for the period from August 1, 2020 through October 31, 2020, with notional volumes of 250,000 MMBtud at a ceiling price of $2.50 per MMBtu and a floor price of $2.00 per MMBtu.These contracts offset the remaining natural gas collar contracts for the same time period with notional volumes of 250,000 MMBtud at a ceiling price of $2.50 per MMBtu and a floor price of $2.00 per MMBtu.EOG received net cash of $1.1 million for the settlement of these contracts.The offsetting contracts were excluded from the above table.

Prices received by EOG for its natural gas production generally vary from NYMEX Henry Hub prices due to adjustments for delivery location (basis) and other factors.EOG has entered into natural gas basis swap contracts in order to fix the differential between pricing in the Rocky Mountain area and NYMEX Henry Hub prices (Rockies Differential).Presented below is a comprehensive summary of EOG's Rockies Differential basis swap contracts through February 18, 2021.The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

Rockies Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through December 31, 2020 (closed)30,000 $0.55 

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EOG has also entered into natural gas basis swap contracts in order to fix the differential between pricing at the Houston Ship Channel (HSC) and NYMEX Henry Hub prices (HSC Differential).In March 2020, EOG executed the early termination provision granting EOG the right to terminate certain 2020 HSC Differential basis swaps with notional volumes of 60,000 MMBtud at a weighted average price differential of $0.05 per MMBtu for the period from April 1, 2020 through December 31, 2020.EOG paid net cash of $0.4 million for the settlement of these contracts.Presented below is a comprehensive summary of EOG's HSC Differential basis swap contracts through February 18, 2021.The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

HSC Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through December 31, 2020 (closed)60,000 $0.05 

EOG has also entered into natural gas basis swap contracts in order to fix the differential between pricing at the Waha Hub in West Texas and NYMEX Henry Hub prices (Waha Differential). Presented below is a comprehensive summary of EOG's Waha Differential basis swap contracts through February 18, 2021. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.
Waha Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through April 30, 2020 (closed)50,000 $1.40 

In April 2020, EOG entered into Waha Differential basis swap contracts for the period from May 1, 2020 through December 31, 2020, with notional volumes of 50,000 MMBtud at a weighted average price differential of $0.43 per MMBtu. These contracts offset the remaining Waha Differential basis swap contracts for the same time period with notional volumes of 50,000 MMBtud at a weighted average price differential of $1.40 per MMBtu. EOG paid net cash of $11.9 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.

Financing

EOG's debt-to-total capitalization ratio was 22%17% at December 31, 2020,2022, compared to 19% at December 31, 2019.2021.  As used in this calculation, total capitalization represents the sum of total current and long-term debt and total stockholders' equity.


At both December 31, 20202022 and 2019, respectively,2021, EOG had outstanding $5,640 million and $5,140$4,890 million aggregate principal amount of senior notes which had estimated fair values of $6,505$4,740 million and $5,452$5,577 million, respectively.  The estimated fair value of debt was based upon quoted market prices and, where such prices were not available, other observable inputs regarding interest rates available to EOG at year-end.  EOG's debt is at fixed interest rates.  While changes in interest rates affect the fair value of EOG's senior notes, such changes do not expose EOG to material fluctuations in earnings or cash flow.

During 2020,2022, EOG funded its capital program and operations primarily by utilizing cash provided by operating activities issuance of the Notes and proceeds from asset sales.cash on hand.  While EOG maintains a $2.0 billion revolving credit facility to back its commercial paper program, there were no borrowings outstanding at any time during 20202022 and the amount outstanding at year-end was zero.  EOG considers the availability of its $2.0 billion senior unsecured revolving credit facility, as described in Note 2 to Consolidated Financial Statements, to be sufficient to meet its ongoing operating needs.

50



51


Contractual Obligations

The following table summarizes EOG's contractual obligations at December 31, 2020 (in millions):
Contractual Obligations (1)
Total20212022-20232024-20252026 & Beyond
Current and Long-Term Debt$5,640 $750 $1,250 $500 $3,140 
Interest Payments on Long-Term Debt2,297 207 366 309 1,415 
Finance Leases (2)
239 36 60 56 87 
Operating Leases (2)
1,039 323 344 166 206 
Leases Effective, Not Commenced (2)
100 14 28 22 36 
Transportation and Storage Service Commitments (3)
6,665 964 1,830 1,296 2,575 
Purchase and Service Obligations1,258 429 497 143 189 
Total Contractual Obligations$17,238 $2,723 $4,375 $2,492 $7,648 
(1)This table does not include the liability for unrecognized tax benefits, EOG's pension or postretirement benefit obligations or liability for dismantlement, abandonment and asset retirement obligations (see Notes 6, 7 and 15, respectively, to Consolidated Financial Statements). These amounts are excluded because they are subject to estimates and the timing of settlement is unknown.
(2)For more information on contracts that meet the definition of a lease under ASU 2016-02, see Note 18 to Consolidated Financial Statements.
(3)Amounts exclude transportation and storage service commitments that meet the definition of a lease. Amounts shown are based on current transportation and storage rates and the foreign currency exchange rates used to convert Canadian dollars into United States dollars at December 31, 2020.  Management does not believe that any future changes in these rates before the expiration dates of these commitments will have a material adverse effect on the financial condition or results of operations of EOG.

Off-Balance Sheet Arrangements

EOG does not participate in financial transactions that generate relationships with unconsolidated entities or financial partnerships.  Such entities or partnerships, often referred to as variable interest entities (VIE) or special purpose entities (SPE), are generally established for the purpose of facilitating off-balance sheet arrangements or other limited purposes. EOG was not involved in any unconsolidated VIE or SPE financial transactions or any other "off-balance sheet arrangement" (as defined in Item 303(a)(4)(ii) of Regulation S-K) during any of the periods covered by this report and currently has no intention of participating in any such transaction or arrangement in the foreseeable future.

Foreign Currency Exchange Rate Risk

During 2020,2022, EOG was exposed to foreign currency exchange rate risk inherent in its operations in foreign countries, including Trinidad, ChinaAustralia, Oman and Canada.  EOG continues to monitor the foreign currency exchange rates of countries in which it is currently conducting business and may implement measures to protect against foreign currency exchange rate risk.

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Outlook

Pricing.  Crude oil, NGLs and natural gas prices have been volatile, and this volatility is expected to continue.  As a result of the many uncertainties associated with the world economic and political environment, worldwide supplies of, and demand for, crude oil and condensate, NGLs and natural gas, the availabilities of other worldwide energy supplies and the relative competitive relationships of the various energy sources in the view of consumers, EOG is unable to predict what changes may occur in crude oil and condensate, NGLs, natural gas, ammonia and methanol prices in the future.  The market price of crude oil and condensate, NGLs and natural gas in 20212023 will impact the amount of cash generated from EOG's operating activities, which will in turn impact EOG's financial position. As of February 18, 2021,16, 2023, the average 20212023 NYMEX crude oil and natural gas prices were $57.51$75.99 per barrel and $2.98$3.05 per MMBtu, respectively, representing an increasea decrease of 46%19% for crude oil and an increasea decrease of 43%54% for natural gas from the average NYMEX prices in 2020.2022. See ITEM 1A, Risk Factors.Factors for additional discussion of the impact of commodity prices (including fluctuations in commodity prices) on our financial condition, cash flows and results of operations.

Including the impact of EOG's crude oil and NGLNGLs financial derivative contracts (exclusive of basis swaps) and based on EOG's tax position, EOG's price sensitivity in 20212023 for each $1.00 per barrel increase or decrease in wellhead crude oil and condensate price, combined with the estimated change in NGLNGLs price, is approximately $99$137 million for net income and $127$175 million for pretax cash flows from operating activities.  Including the impact of EOG's natural gas financial derivative contracts and based on EOG's tax position and the portion of EOG's anticipated natural gas volumes for 20212023 for which prices have not been determined under long-term marketing contracts, EOG's price sensitivity for each $0.10 per Mcf increase or decrease in wellhead natural gas price is approximately $31$35 million for net income and $40$44 million for pretax cash flows from operating activities.  For information regarding EOG's crude oil, NGLs and natural gas financial commodity derivative contracts through February 18, 2021,16, 2023, see "Commodity"Financial Commodity Derivative Transactions" above.

Capital. EOG plans to continue to focus a substantial portion of its exploration and development expenditures in its major producing areas in the United States. In particular, EOG will be focused on United States crude oil drilling activity in its Delaware Basin, Eagle Ford andplay, Rocky Mountain area and Dorado gas play where it generates its highest rates-of-return. To further enhance the economics of these plays, EOG expects to continue to improve well performance and lower drilling and completion costslessen inflationary pressure through efficiency gains and lowerby locking in certain service costs.costs for drilling and completion activities. In addition, EOG expects to spend a portion of its anticipated 20212023 capital expenditures on leasing acreage, and evaluating new prospects.prospects, gathering and processing infrastructure, transportation infrastructure and environmental projects.
 

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The total anticipated 20212023 capital expenditures of approximately $3.7$5.8 billion to $4.1$6.2 billion, excluding acquisitions, and non-cash transactions and exploration costs, is structured to maintain EOG's strategy of capital discipline by funding its exploration, development and exploitation activities primarily from available internally generated cash flows and cash on hand. EOG has significant flexibility with respect to financing alternatives, including borrowings under its commercial paper program, bank borrowings, borrowings under its $2.0 billion senior unsecured revolving credit facility and equity and debt offerings.
 
Operations. In 2021,2023, crude oil and total crude oil equivalent production isare expected to remain at fourth quarter 2020increase from 2022 levels. In 2021,2023, EOG expects to continue to focus on reducingmitigating inflationary pressure on operating costs through efficiency improvements.

Cash Requirements. Certain of EOG's capital expenditures and operating expenses are subject to contracts with minimum commitments, including those that meet the definition of a lease under ASC "Leases (Topic 842)". In 2023, EOG anticipates the following cash requirements under these commitments (in millions):

Finance Leases (1)
$37 
Operating Leases (1)
323
Leases Effective, Not Commenced (1)
111
Transportation and Storage Service Commitments (2) (3)
832
Purchase and Service Obligations (3)
529
Total Cash Requirements$1,832
(1)    For more information on contracts that meet the definition of a lease under ASC "Leases (Topic 842)," see Note 18 to Consolidated Financial Statements.
(2)    Amounts exclude transportation and storage service commitments that meet the definition of a lease. Amounts shown are based on current transportation and storage rates and the foreign currency exchange rates used to convert Canadian dollars into United States dollars at December 31, 2022. Management does not believe that any future changes in these rates before the expiration dates of these commitments will have a material adverse effect on the financial condition or results of operations of EOG.
(3)    For more information on transportation and storage service commitments and purchase and service obligations, see Note 8 to Consolidated Financial Statements.

In 2023, EOG has $1.25 billion of senior notes maturing, which are expected to be repaid with cash on hand. Additionally, in 2023, EOG expects to pay interest of $175 million on senior notes. For more information on EOG's current and long-term debt, see Note 2 to Consolidated Financial Statements.

Cash requirements to settle the liability for unrecognized tax benefits, EOG's pension and postretirement benefit obligations and the liability for dismantlement, abandonment and asset retirement obligations (see Notes 6, 7, and 15, respectively, to Consolidated Financial Statements) are excluded because they are subject to estimates and the timing of settlement is unknown.

EOG expects to fund its exploration, development and exploitation activities and other cash requirements, both in 2023 and in future years, primarily from internally generated cash flows and cash on hand. As discussed above, EOG has significant flexibility with respect to financing alternatives, including borrowings under its commercial paper program, bank borrowings, borrowings under its $2.0 billion senior unsecured revolving credit facility and equity and debt offerings.

5349


Summary of Critical Accounting Policies and Estimates

EOG prepares its financial statements and the accompanying notes in conformity with accounting principles generally accepted in the United States, which require management to make estimates and assumptions about future events that affect the reported amounts in the financial statements and the accompanying notes.  EOG identifies certain accounting policies and estimates as critical based on, among other things, their impact on EOG's financial condition, results of operations or liquidity, and the degree of difficulty, subjectivity and complexity in their application.  Critical accounting policies and estimates cover accounting matters that are inherently uncertain because the future resolution of such matters is unknown.  Management routinely discusses the development, selection and disclosure of each of the critical accounting policies.policies and estimates.  Following is a discussion of EOG's most critical accounting policies:policies and estimates:

Proved Oil and Gas Reserves

EOG's engineers estimate proved oil and gas reserves in accordance with United States Securities and Exchange Commission (SEC) regulations, which directly impact financial accounting estimates, including depreciation, depletion and amortization and impairments of proved properties and related assets.  Proved reserves represent estimated quantities of crude oil and condensate, NGLs and natural gas that geological and engineering data demonstrate, with reasonable certainty, to be recoverable in future years from known reservoirs under economic and operating conditions existing at the time the estimates were made. 

The process of estimating quantities of proved oil and gas reserves is complex, requiring significant subjective decisions in the evaluation of available geological, engineering and economic data for each reservoir.  The data for a given reservoir may also change substantially over time as a result of numerous factors including, but not limited to, additional development activity, evolving production history and continual reassessment of the viability of production under varying economic conditions.  Proved reserves are estimated using a trailing 12-month average price, in accordance with SEC rules. Crude oil, NGLs and natural gas prices have exhibited significant volatility in the past, and EOG expects that volatility to continue in the future. Consequently, material revisions (upward or downward) to existing reserve estimates may occur from time to time.  For related discussion, see ITEM 1A, Risk Factors, and "Supplemental Information to Consolidated Financial Statements."

Oil and Gas Exploration and Development Costs

EOG accounts for its crude oil and natural gas exploration and production activities under the successful efforts method of accounting. 

Costs to develop proved reserves, including the costs of all development wells and related equipment used in the production of crude oil and natural gas, are capitalized.

Oil and gas exploration costs, other than the costs of drilling exploratory wells, are expensed as incurred.  The costs of drilling exploratory wells are capitalized pending determination of whether EOG has discovered commercial quantities of proved reserves.  If commercial quantities of proved reserves are not discovered, such drilling costs are expensed.  In some circumstances, it may be uncertain whether commercial quantities of proved reserves have been discovered when drilling has been completed.  Such exploratory well drilling costs may continue to be capitalized if the estimated reserve quantity is sufficient to justify its completion as a producing well and sufficient progress in assessing the reserves and the economic and operating viability of the project is being made.  CostsThe concept of sufficient progress is subject to develop proved reserves, including the costs of all development wellssignificant judgment and related equipment usedmay require further operational actions or require additional approvals from government agencies or partners in the production of crude oil and natural gas are capitalized.operations, among other factors, the timing of which may delay management's determinations. See Note 16 to Consolidated Financial Statements.

Depreciation, Depletion and Amortization for Oil and Gas Properties

The quantities of estimated proved oil and gas reserves are a significant component of EOG's calculation of depreciation, depletion and amortization expense, and revisions in such estimates may alter the rate of future expense. Holding all other factors constant, if reserves are revised upward or downward, earnings will increase or decrease, respectively.


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Depreciation, depletion and amortization of the cost of proved oil and gas properties is calculated using the unit-of-production method.  The reserve base used to calculate depreciation, depletion and amortization for leasehold acquisition costs and the cost to acquire proved properties is the sum of proved developed reserves and proved undeveloped reserves.  With respect to lease and well equipment costs, which include development costs and successful exploration drilling costs, the reserve base includes only proved developed reserves. Estimated future dismantlement, restoration and abandonment costs, net of salvage values, are taken into account.

Oil and gas properties are grouped in accordance with the provisions of the Extractive Industries - Oil and Gas Topic of the ASC.  The basis for grouping is a reasonable aggregation of properties with a common geological structural feature or stratigraphic condition, such as a reservoir or field.

Depreciation, depletion and amortization rates are updated quarterly to reflect the addition of capital costs, reserve revisions (upwards or downwards) and additions, property acquisitions and/or property dispositions and impairments.

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Depreciation and amortization of other property, plant and equipment is calculated on a straight-line basis over the estimated useful life of the asset.

Impairments

Oil and gas lease acquisition costs are capitalized when incurred.  Unproved properties with acquisition costs that are not individually significant are aggregated, and the portion of such costs estimated to be nonproductive is amortized over the remaining lease term.  Unproved properties with individually significant acquisition costs are reviewed individually for impairment. If the unproved properties are determined to be productive, the appropriate related costs are transferred to proved oil and gas properties.  Lease rentals are expensed as incurred.

When circumstances indicate that proved oil and gas properties may be impaired, EOG compares expected undiscounted future cash flows at a depreciation, depletion and amortization group level to the unamortized capitalized cost of the asset.group.  If the expected undiscounted future cash flows, based on EOG's estimates of (and assumptions regarding) future crude oil and natural gas prices, operating costs, development expenditures, anticipated production from proved reserves and other relevant data, are lower than the unamortized capitalized cost, the capitalized cost is reduced to fair value.  Fair value is generally calculated using the Income Approach described in the Fair Value Measurement Topic of the ASC.  In certain instances, EOG utilizes accepted offers from third-party purchasers as the basis for determining fair value.  Estimates of undiscounted future cash flows require significant judgment, and the assumptions used in preparing such estimates are inherently uncertain. In addition, such assumptions and estimates are reasonably likely to change in the future. 

Crude oil, NGLs and natural gas prices have exhibited significant volatility in the past, and EOG expects that volatility to continue in the future.  During the five years ended December 31, 2020,2022, WTI crude oil spot prices have fluctuated from approximately $(36.98) per barrel to $77.41$123.64 per barrel, and Henry Hub natural gas spot prices have ranged from approximately $1.33 per MMBtu to $6.24$23.86 per MMBtu.  Market prices for NGLs are influenced by the components extracted, including ethane, propane, butane and natural gasoline, among others, and the respective market pricing for each component.

EOG uses the five-year NYMEX futures strip for WTI crude oil and Henry Hub natural gas and the five-year Oil Price Information Services futures strip for NGLs components (in each case as of the applicable balance sheet date) as a basis to estimate future crude oil, NGLs and natural gas prices. EOG's proved reserves estimates, including the timing of future production, are also subject to significant assumptions and judgment, and are frequently revised (upwards and downwards) as more information becomes available.  Proved reserves are estimated using a trailing 12-month average price, in accordance with SEC rules. In the future, if any combination of crude oil prices, NGLs prices, natural gas prices actual production or operating costsestimated proved reserves diverge negatively from EOG's current estimates, impairment charges and downward adjustments to our estimated proved reserves may be necessary.

See Notes 13 and 14 to Consolidated Financial Statements for further disclosures of impairments of oil and gas properties and other assets.

Income Taxes

Income taxes are accounted for using the asset and liability approach.  Under this approach, deferred tax assets and liabilities are recognized based on anticipated future tax consequences attributable to differences between financial statement carrying amounts of assets and liabilities and their respective tax basis.  EOG assesses the realizability of deferred tax assets and recognizes valuation allowances as appropriate.  Significant assumptions used in estimating future taxable income include future crude oil, NGLs and natural gas prices and levels of capital reinvestment.  Changes in such assumptions or changes in tax laws and regulations could materially affect the recognized amounts of valuation allowances. See Note 6 to Consolidated Financial Statements.

Stock-Based Compensation

In accounting for stock-based compensation, judgments and estimates are made regarding, among other things, the appropriate valuation methodology to follow in valuing stock compensation awards and the related inputs required by those valuation methodologies. Assumptions regarding expected volatility of EOG's common stock, the level of risk-free interest rates, expected dividend yields on EOG's common stock, the expected term of the awards, expected volatility in the price of shares and composition of EOG's peer companies and other valuation inputs are subject to change. Any such changes could result in different valuations and thus impact the amount of stock-based compensation expense recognized on the Consolidated Statements of Income and Comprehensive Income.

5551


Information Regarding Forward-Looking Statements

This Annual Report on Form 10-K includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, including, among others, statements and projections regarding EOG's future financial position, operations, performance, business strategy, goals, returns and rates of return, budgets, reserves, levels of production, capital expenditures, costs and asset sales, statements regarding future commodity prices and statements regarding the plans and objectives of EOG's management for future operations, are forward‐looking statements. EOG typically uses words such as "expect," "anticipate," "estimate," "project," "strategy," "intend," "plan," "target," "aims," "ambition," "initiative," "goal," "may," "will," "focused on," "should" and "believe" or the negative of those terms or other variations or comparable terminology to identify its forward‐looking statements. In particular, statements, express or implied, concerning EOG's future financial or operating results and returns or EOG's ability to replace or increase reserves, increase production, generate returns and rates of return, replace or increase drilling locations, reduce or otherwise control drilling, completion and operating costs and capital expenditures, generate cash flows, pay down or refinance indebtedness, achieve, reach or otherwise meet initiatives, plans, goals, ambitions or targets with respect to emissions, other environmental matters, safety matters or other ESG (environmental/social/governance) matters, or pay and/or increase dividends are forward‐looking statements. Forward-looking statements are not guarantees of performance. Although EOG believes the expectations reflected in its forward-looking statements are reasonable and are based on reasonable assumptions, no assurance can be given that thesesuch assumptions are accurate or will prove to have been correct or that any of thesesuch expectations will be achieved (in full or at all) or will prove to have been correct.be achieved on the expected or anticipated timelines. Moreover, EOG's forward-looking statements may be affected by known, unknown or currently unforeseen risks, events or circumstances that may be outside EOG's control. Important factors that could cause EOG's actual results to differ materially from the expectations reflected in EOG's forward-looking statements include, among others:

the timing, extent and duration of changes in prices for, supplies of, and demand for, crude oil and condensate, natural gas liquids (NGLs), natural gas and related commodities;
the extent to which EOG is successful in its efforts to acquire or discover additional reserves;
the extent to which EOG is successful in its efforts to (i) economically develop its acreage in, (ii) produce reserves and achieve anticipated production levels and rates of return from, (iii) decrease or otherwise control its drilling, completion and operating costs and capital costsexpenditures related to, and (iv) maximize reserve recovery from, its existing and future crude oil and natural gas exploration and development projects and associated potential and existing drilling locations;
the success of EOG's cost-mitigation initiatives and actions in offsetting the impact of inflationary pressures on EOG's operating costs and capital expenditures;
the extent to which EOG is successful in its efforts to market its production of crude oil and condensate, natural gas liquids,NGLs and natural gas;
security threats, including cybersecurity threats and disruptions to our business and operations from breaches of our information technology systems, physical breaches of our facilities and other infrastructure or breaches of the information technology systems, facilities and infrastructure of third parties with which we transact business;
the availability, proximity and capacity of, and costs associated with, appropriate gathering, processing, compression, storage, transportation, refining, and export facilities;
the availability, cost, terms and timing of issuance or execution of and competition for, mineral licenses and leases and governmental and other permits and rights-of-way, and EOG's ability to retain mineral licenses and leases;
the impact of, and changes in, government policies, laws and regulations, including any changes or other actions which may result from the recent U.S. electionsclimate change-related regulations, policies and change in U.S. administration and includinginitiatives (for example, with respect to air emissions); tax laws and regulations; climate changeregulations (including, but not limited to, carbon tax and otheremissions-related legislation); environmental, health and safety laws and regulations relating to air emissions, disposal of produced water, drilling fluids and other wastes, hydraulic fracturing and access to and use of water; laws and regulations affecting the leasing of acreage and permitting for oil and gas drilling and the calculation of royalty payments in respect of oil and gas production; laws and regulations imposing additional permitting and disclosure requirements, additional operating restrictions and conditions or restrictions on drilling and completion operations and on the transportation of crude oil, NGLs and natural gas; laws and regulations with respect to financial derivatives and hedging activities; and laws and regulations with respect to the import and export of crude oil, natural gas and related commodities;
52


the impact of climate change-related policies and initiatives at the corporate and/or investor community levels and other potential developments related to climate change, such as (but not limited to) changes in consumer and industrial/commercial behavior, preferences and attitudes with respect to the generation and consumption of energy; increased availability of, and increased consumer and industrial/commercial demand for, competing energy sources (including alternative energy sources); technological advances with respect to the generation, transmission, storage and consumption of energy; alternative fuel requirements; energy conservation measuresand emissions-related legislation; decreased demand for, and availability of, services and facilities related to the exploration for, and production of, crude oil, NGLs and natural gas; and negative perceptions of the oil and gas industry and, in turn, reputational risks associated with the exploration for, and production of, crude oil, NGLs and natural gas;
continuing political and social concerns relating to climate change and the greater potential for shareholder activism, governmental inquiries and enforcement actions and litigation and the resulting expenses and potential disruption to EOG's day-to-day operations;
the extent to which EOG is able to successfully and economically develop, implement and carry out its emissions and other ESG-related initiatives and achieve its related targets ad initiatives;
EOG's ability to effectively integrate acquired crude oil and natural gas properties into its operations, fully identify and resolve existing and potential problemsissues with respect to such properties and accurately estimate reserves, production, and drilling, completingcompletion and operating costs and capital expenditures with respect to such properties;
the extent to which EOG's third-party-operated crude oil and natural gas properties are operated successfully, economically and economically;in compliance with applicable laws and regulations;
competition in the oil and gas exploration and production industry for the acquisition of licenses, leases and properties, employees and other personnel, facilities, equipment, materials and services;properties;
the availability and cost of, and competition in the oil and gas exploration and production industry for, employees, labor and other personnel, facilities, equipment, materials (such as water, sand, fuel and tubulars) and services;
the accuracy of reserve estimates, which by their nature involve the exercise of professional judgment and may therefore be imprecise;
56


weather, including its impact on crude oil and natural gas demand, and weather-related delays in drilling and in the installation and operation (by EOG or third parties) of production, gathering, processing, refining, compression, storage, transportation, and export facilities;
the ability of EOG's customers and other contractual counterparties to satisfy their obligations to EOG and, related thereto, to access the credit and capital markets to obtain financing needed to satisfy their obligations to EOG;
EOG's ability to access the commercial paper market and other credit and capital markets to obtain financing on terms it deems acceptable, if at all, and to otherwise satisfy its capital expenditure requirements;
the extent to which EOG is successful in its completion of planned asset dispositions;
the extent and effect of any hedging activities engaged in by EOG;
the timing and extent of changes in foreign currency exchange rates, interest rates, inflation rates, global and domestic financial market conditions and global and domestic general economic conditions;
the duration and economic and financial impact of epidemics, pandemics or other public health issues, including the COVID-19 pandemic;issues;
geopolitical factors and political conditions and developments around the world (such as the imposition of tariffs or trade or other economic sanctions, political instability and armed conflict), including in the areas in which EOG operates;
the use of competing energy sources and the development of alternative energy sources;
the extent to which EOG incurs uninsured losses and liabilities or losses and liabilities in excess of its insurance coverage;
acts of war and terrorism and responses to these acts; and
the other factors described under ITEM 1A, Risk Factors of this Annual Report on Form 10-K and any updates to those factors set forth in EOG's subsequent Quarterly Reports on Form 10-Q or Current Reports on Form 8-K.

In light of these risks, uncertainties and assumptions, the events anticipated by EOG's forward-looking statements may not occur, and, if any of such events do, we may not have anticipated the timing of their occurrence or the duration or extent of their impact on our actual results. Accordingly, you should not place any undue reliance on any of EOG's forward-looking statements. EOG's forward-looking statements speak only as of the date made, and EOG undertakes no obligation, other than as required by applicable law, to update or revise its forward-looking statements, whether as a result of new information, subsequent events, anticipated or unanticipated circumstances or otherwise.

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ITEM 7A.  Quantitative and Qualitative Disclosures About Market Risk

The information required by this Item is incorporated by reference from Item 7 of this report, specifically the information set forth under the captions "Commodity"Financial Commodity Derivative Transactions," "Financing," "Foreign Currency Exchange Rate Risk" and "Outlook" in "Management's Discussion and Analysis of Financial Condition and Results of Operations - Capital Resources and Liquidity."

ITEM 8.  Financial Statements and Supplementary Data

The information required by this Item is included in this report as set forth in the "Index to Financial Statements" on page F-1 and is incorporated by reference herein.

ITEM 9.  Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

ITEM 9A.  Controls and Procedures

Disclosure Controls and Procedures. EOG's management, with the participation of EOG's principal executive officer and principal financial officer, evaluated the effectiveness of EOG's disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) promulgated under the Securities Exchange Act of 1934, as amended (Exchange Act)) as of December 31, 2020.2022. EOG's disclosure controls and procedures are designed to provide reasonable assurance that information that is required to be disclosed in the reports EOG files or submits under the Exchange Act is accumulated and communicated to EOG's management, as appropriate, to allow timely decisions regarding required disclosure and is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the United States Securities and Exchange Commission. Based on that evaluation, EOG's principal executive officer and principal financial officer have concluded that EOG's disclosure controls and procedures were effective as of December 31, 2020.2022.
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Management's Annual Report on Internal Control over Financial Reporting. EOG's management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) promulgated under the Exchange Act). Even an effective system of internal control over financial reporting, no matter how well designed, has inherent limitations, including the possibility of human error, circumvention of controls or overriding of controls and, therefore, can provide only reasonable assurance with respect to reliable financial reporting. Furthermore, the effectiveness of a system of internal control over financial reporting in future periods can change as conditions change.

EOG's management assessed the effectiveness of EOG's internal control over financial reporting as of December 31, 2020. In making this assessment, it used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control - Integrated Framework (2013). Based on this assessment and such criteria, EOG's management believes that EOG's internal control over financial reporting was effective as of December 31, 2020. See also "Management's Responsibility for Financial Reporting" appearing on page F-2 of this report, which is incorporated herein by reference.

The report of EOG's independent registered public accounting firm relating to the consolidated financial statements and effectiveness of internal control over financial reporting is set forth on page F-3 of this report.

There were no changes in EOG's internal control over financial reporting that occurred during the quarter ended December 31, 2020,2022, that have materially affected, or are reasonably likely to materially affect, EOG's internal control over financial reporting.

ITEM 9B.  Other Information

On and effective February 23, 2023, the Board of Directors (Board) of EOG Resources, Inc. (EOG) approved certain amendments to EOG's bylaws with respect to, among other matters, (i) the submission by a stockholder of a director nomination or other proposal for an annual stockholders meeting and (ii) the authority of the Board with respect to stockholder meetings.The amendments, which are further described below, take into account (1) the new universal proxy rules adopted by the United States Securities and Exchange Commission (SEC) and (2) recent amendments to certain provisions of the General Corporation Law of the State of Delaware (DGCL).

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Section of BylawsDescription of Amendment
Place of Meetings
(Art. II, § 1)
To provide that stockholder meetings may be held by means of remote communication in accordance with Section 211(a) of the DGCL.
Quorum; Adjournment of Meetings
(Art. II, § 2)
To provide that, to the fullest extent permitted by law, the Board may postpone, reschedule or cancel any previously scheduled stockholder meeting before it is to be held.
Notice of Stockholder Business and Nominations
(Art. II § 3)
To provide that a stockholder submitting a director nomination or other proposal shall represent that it will continue to be a stockholder through the annual meeting date and will appear at the meeting (in person or by proxy) to make such nomination/proposal.

To expand existing information requirements for submitting a director nomination or other proposal to cover the submitting stockholder's beneficial owners and their respective affiliates and associates.

To provide that a stockholder giving notice of a director nomination shall provide: (i) evidence of compliance with Rule 14a-19 (the SEC's universal proxy rules) no later than five business days prior to the applicable stockholders meeting, (ii) all information required to be set forth in a Schedule 13D (e.g., investment purpose for buying EOG shares and the source of funds for the share purchases), (iii) the names of all solicitation participants and (iv) a representation that at least 67% of EOG's voting stock will be solicited by the stockholder.

To provide that a stockholder proposal to amend EOG's bylaws shall include the full text of the proposed amendment(s).
Stockholder List
(Art. II, § 7)
To remove requirement that a list of EOG's stockholders be made available at stockholder meetings.
Proxies
(Art. II, § 8)
To provide that a stockholder soliciting proxies must use a proxy card color other than white.
Conduct of Meetings
(Art. II, § 10)
To provide that the Board, the chairman of the meeting and the Chairman of the Board may make rules and procedures for the conduct of stockholder meetings as they shall deem necessary (e.g., the opening and closing of polls and time allotted to questions and comments from attendees).
Emergency Bylaws
(Art. VII, § 7)
To permit a subset of the Board to take certain actions during an emergency condition (e.g., catastrophe or similar emergency condition).

The foregoing descriptions of the amendments to EOG's bylaws do not purport to be complete and are qualified in its entirety by reference to EOG's amended and restated bylaws, which are filed as Exhibit 3.2(b) to this report and are incorporated herein by reference.

ITEM 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspection

None.


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PART III

ITEM 10. Directors, Executive Officers and Corporate Governance

The information required by this Item is incorporated by reference from (i) EOG's Definitive Proxy Statement with respect to its 20212023 Annual Meeting of Stockholders to be filed not later than April 30, 20212023 and (ii) Item 1 of this report, specifically the information therein set forth under the caption "Information About Our Executive Officers."

Pursuant to Rule 303A.10 of the New York Stock Exchange and Item 406 of Regulation S-K promulgated under the Securities Exchange Act of 1934, as amended, EOG has adopted a Code of Business Conduct and Ethics for Directors, Officers and Employees (Code of Conduct) that applies to all EOG directors, officers and employees, including EOG's principal executive officer, principal financial officer and principal accounting officer. EOG has also adopted a Code of Ethics for Senior Financial Officers (Code of Ethics) that, along with EOG's Code of Conduct, applies to EOG's principal executive officer, principal financial officer, principal accounting officer and controllers.

You can access the Code of Conduct and Code of Ethics on the "Governance" page under "Investors" on EOG's website at www.eogresources.com, and any EOG stockholder who so requests may obtain a printed copy of the Code of Conduct and Code of Ethics by submitting a written request to EOG's Corporate Secretary.

EOG intends to disclose any amendments to the Code of Conduct or Code of Ethics, and any waivers with respect to the Code of Conduct or Code of Ethics granted to EOG's principal executive officer, principal financial officer, principal accounting officer, any of our controllers or any of our other employees performing similar functions, on its website at www.eogresources.com within four business days of the amendment or waiver. In such case, the disclosure regarding the amendment or waiver will remain available on EOG's website for at least 12 months after the initial disclosure. There have been no waivers granted with respect to EOG's Code of Conduct or Code of Ethics.


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ITEM 11.  Executive Compensation

The information required by this Item is incorporated by reference from EOG's Definitive Proxy Statement with respect to its 20212023 Annual Meeting of Stockholders to be filed not later than April 30, 2021.2023. The Compensation and Human Resources Committee Report and related information incorporated by reference herein shall not be deemed "soliciting material" or to be "filed" with the United States Securities and Exchange Commission, nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933, as amended, or Securities Exchange Act of 1934, as amended, except to the extent that EOG specifically incorporates such information by reference into such a filing.

ITEM 12.  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item with respect to security ownership of certain beneficial owners and management is incorporated by reference from EOG's Definitive Proxy Statement with respect to its 20212023 Annual Meeting of Stockholders to be filed not later than April 30, 2021.2023.

Equity Compensation Plan Information

Stock Plans Approved by EOG Stockholders.EOG's stockholders approved the EOG Resources, Inc. 20082021 Omnibus Equity Compensation Plan (2008(2021 Plan) at the 2008 Annual Meeting of Stockholders in May 2008.  At the 20102021 Annual Meeting of Stockholders in April 2010 (2010 Annual Meeting), an amendment to2021. From and after the 2008April 29, 2021 effective date of the 2021 Plan, was approved, pursuant to which the number of shares of common stock available for futureno further grants of stock options, stock-settled stock appreciation rights (SARs), restricted stock, restricted stock units, performance units and other stock-based awards under the 2008 Plan was increased by an additional 13.8 million shares, to an aggregate maximum of 25.8 million shares plus shares underlying forfeited or canceled grants under the prior stock plans referenced in the 2008 Plan document.  At the 2013 Annual Meeting of Stockholders in May 2013, EOG's stockholders approvedhave been (or will be) made from the Amended and Restated EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (Amended and Restated 2008 Plan).  As more fully discussed in

The 2021 Plan provides for grants of stock options, SARs, restricted stock, restricted stock units (which may include performance-based conditions) and other stock-based awards, up to an aggregate maximum of 20 million shares of EOG common stock, plus any shares that were subject to outstanding awards under the Amended and Restated 2008 Plan document,as of April 29, 2021 that subsequently are canceled or forfeited, expire or are otherwise not issued or are settled in cash. Under the 2021 Plan, grants may be made to employees and non-employee members of EOG's Board of Directors (Board).

The Amended and Restated 2008 Plan among other things, authorizeswas approved by EOG's stockholders at the 2013 Annual Meeting of Stockholders in May 2013.The Amended and Restated 2008 Plan authorized an additional 31.0 million shares of EOG common stock for grant under the plan and extendsextended the expiration date of the plan to May 2023.  Under the Amended and Restated 2008 Plan, grants may be made to employees and non-employee members of EOG's Board.
56


Also at the 2010 Annual Meeting, an amendment to the EOG Resources, Inc. Employee Stock Purchase Plan (ESPP) was approved to increase the shares available for grant by 2.0 million shares.  The ESPP was originally approved by EOG's stockholders in 2001, and would have expired on July 1, 2011.  The amendment also extended the term of the ESPP to December 31, 2019, unless terminated earlier by its terms or by EOG. At the 2018 Annual Meeting of Stockholders in April 2018, stockholders approved an amendment and restatement of the ESPPEOG Resources, Inc. Employee Stock Purchase Plan (ESPP) to (among other changes) increase the number of shares available for grant by 2.5 million shares and further extend the term of the ESPP to December 31, 2027, unless terminated earlier by its terms or by EOG.

Stock Plans Not Approved by EOG Stockholders. In December 2008, the Board approved the amendment and continuation of the 1996 Deferral Plan as the "EOG Resources, Inc. 409A Deferred Compensation Plan" (Deferral Plan). Under the Deferral Plan (as subsequently amended), payment of up to 50% of base salary and 100% of annual cash bonus, director's fees, vestings of restricted stock units granted to non-employee directors (and dividends credited thereon) under the Amended and Restated 2008 Plan and the 2021 Plan and 401(k) refunds (as defined in the Deferral Plan) may be deferred into a phantom stock account. In the phantom stock account, deferrals are treated as if shares of EOG common stock were purchased at the closing stock price on the date of deferral. Dividends are credited quarterly and treated as if reinvested in EOG common stock. Payment of the phantom stock account is made in actual shares of EOG common stock in accordance with the Deferral Plan and the individual's deferral election. A total of 540,000 shares of EOG common stock have been authorized by the Board and registered for issuance under the Deferral Plan. As of December 31, 2020, 368,7452022, 432,281 phantom shares had been issued. The Deferral Plan is currently EOG's only stock plan that has not been approved by EOG's stockholders.

59


The following table sets forth data for EOG's equity compensation plans aggregated by the various plans approved by EOG's stockholders and those plans not approved by EOG's stockholders, in each case as of December 31, 2020.2022.






Plan Category






Plan Category
(a)
Number of Securities to be
Issued Upon Exercise of
Outstanding Options,
Warrants and Rights
 
(b)
Weighted-Average
Exercise Price of
Outstanding Options,
Warrants and Rights (1)
(c)
Number of Securities
Remaining Available
for Future Issuance Under
Equity Compensation
Plans (Excluding Securities
Reflected in Column (a))
 





Plan Category
(a)
Number of Securities to be
Issued Upon Exercise of
Outstanding Options,
Warrants and Rights
 
(b)
Weighted-Average
Exercise Price of
Outstanding Options,
Warrants and Rights (1)
(c)
Number of Securities
Remaining Available
for Future Issuance Under
Equity Compensation
Plans (Excluding Securities
Reflected in Column (a))
 
Equity Compensation Plans Approved by EOG StockholdersEquity Compensation Plans Approved by EOG Stockholders11,753,761 (2)$84.08 3,891,544 (3)Equity Compensation Plans Approved by EOG Stockholders5,653,833 (2)$77.49 17,803,386 (3)
Equity Compensation Plans Not Approved by EOG StockholdersEquity Compensation Plans Not Approved by EOG Stockholders248,363 (4)N/A171,255 (5)Equity Compensation Plans Not Approved by EOG Stockholders340,078 (4)N/A107,719 (5)
TotalTotal12,002,124  $84.08 4,062,799  Total5,993,911  17,911,105  
(1)The weighted-average exercise price is calculated based solely on the exercise prices of the outstanding stock option and SAR grants and does not reflect (i) shares that will be issued upon the vesting of outstanding grants of restricted stock unitunits or the vesting of outstanding grants of performance units and restricted stock units with performance-based conditions (collectively, performance unit grants,units) or (ii) shares that will be issued in respect of issued and outstanding Deferral Plan phantom shares, all of which have no exercise price.
(2)Amount includes 954,949(i) 4,224,628 outstanding stock option and SAR grants, (ii) 741,411 outstanding restricted stock units, for which shares of EOG common stock will be issued, on a one-for-one basis, upon the vesting of such grants. Amount also includes 612,951grants, and (iii) 687,794 outstanding performance units and assumes, for purposes of this table, (i)(A) the application of a 100% performance multiple upon the completion of each of the remaining performance periods in respect of such performance unit grants and (ii)(B) accordingly, the issuance, on a one-for-one basis, of an aggregate 612,951687,794 shares of EOG common stock upon the vesting of such grants. As more fully discussed in Note 7 to Consolidated Financial Statements, upon the application of the relevant performance multiple at the completion of each of the remaining performance periods in respect of such grants, (A) a minimum of 76,7850 and a maximum of 1,149,1171,375,588 performance units could be outstanding and (B) accordingly, a minimum of 76,7850 and a maximum of 1,149,1171,375,588 shares of EOG common stock could be issued upon the vesting of such grants.
(3)Consists of (i) 1,996,10116,425,288 shares remaining available for issuance under the Amended and Restated 20082021 Plan and (ii) 1,895,4431,378,098 shares remaining available for purchase under the ESPP. Pursuant toAs noted above, from and after the fungible share designApril 29, 2021 effective date of the 2021 Plan, no further grants have been (or will be) made from the Amended and Restated 2008 Plan, each share issued as a SAR or stock option under the Amended and Restated 2008 Plan counts as 1.0 share against the aggregate plan share limit, and each share issued as a "full value award" (i.e., as restricted stock, restricted stock units or performance units) counts as 2.45 shares against the aggregate plan share limit.  Thus, from the 1,996,101 shares remaining available for issuance under the Amended and Restated 2008 Plan, (i) the maximum number of shares we could issue as SAR and stock option awards is 1,996,101 (i.e., if all shares remaining available for issuance under the Amended and Restated 2008 Plan are issued as SAR and stock option awards) and (ii) the maximum number of shares we could issue as full value awards is 814,735 (i.e., if all shares remaining available for issuance under the Amended and Restated 2008 Plan are issued as full value awards).Plan.
(4)Consists of shares of EOG common stock to be issued in accordance with the Deferral Plan and participant deferral elections (i.e., in respect of the 248,363340,078 phantom shares issued and outstanding under the Deferral Plan as of December 31, 2020)2022).
(5)Represents phantom shares that remain available for issuance under the Deferral Plan.

ITEM 13.  Certain Relationships and Related Transactions, and Director Independence

The information required by this Item is incorporated by reference from EOG's Definitive Proxy Statement with respect to its 20212023 Annual Meeting of Stockholders to be filed not later than April 30, 2021.2023.

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ITEM 14.  Principal Accounting Fees and Services

The information required by this Item is incorporated by reference from EOG's Definitive Proxy Statement with respect to its 20212023 Annual Meeting of Stockholders to be filed not later than April 30, 2021.2023.

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PART IV

ITEM 15.  Exhibits,Exhibit and Financial Statement Schedules

(a)(1) and (a)(2) Financial Statements and Financial Statement Schedule

See "Index to Financial Statements" set forth on page F-1.

(a)(3), (b)      Exhibits

See pages E-1 through E-6 for a listing of the exhibits.

ITEM 16. Form 10-K Summary

None.

6158


EOG RESOURCES, INC.
INDEX TO FINANCIAL STATEMENTS

 Page
Consolidated Financial Statements: 
Management's Responsibility for Financial Reporting
F-2
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)
F-3
Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) for Each of the Three Years in the Period Ended December 31, 20202022
F-65
Consolidated Balance Sheets - December 31, 20202022 and 20192021
F-76
Consolidated Statements of Stockholders' Equity for Each of the Three Years in the Period Ended December 31, 20202022
F-87
Consolidated Statements of Cash Flows for Each of the Three Years in the Period Ended December 31, 20202022
F-98
Notes to Consolidated Financial Statements
F-109
Supplemental Information to Consolidated Financial Statements

F-1


MANAGEMENT'S RESPONSIBILITY FOR FINANCIAL REPORTING

The following consolidated financial statements of EOG Resources, Inc., together with its subsidiaries (collectively, EOG), were prepared by management, which is responsible for the integrity, objectivity and fair presentation of such financial statements.  The statements have been prepared in conformity with generally accepted accounting principles in the United States of America and, accordingly, include some amounts that are based on the best estimates and judgments of management.

EOG's management is also responsible for establishing and maintaining adequate internal control over financial reporting as well as designing and implementing programs and controls to prevent and detect fraud.  The system of internal control of EOG is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles in the United States of America.  This system consists of 1) entity level controls, including written policies and guidelines relating to the ethical conduct of business affairs, 2) general computer controls and 3) process controls over initiating, authorizing, recording, processing and reporting transactions.  Even an effective internal control system, no matter how well designed, has inherent limitations, including the possibility of human error, circumvention of controls or overriding of controls and, therefore, can provide only reasonable assurance with respect to reliable financial reporting.  Furthermore, the effectiveness of a system of internal control over financial reporting in future periods can change as conditions change.

The adequacy of EOG's financial controls and the accounting principles employed by EOG in its financial reporting are under the general oversight of the Audit Committee of the Board of Directors.  No member of this committee is an officer or employee of EOG.  Moreover, EOG's independent registered public accounting firm and internal auditors have full, free, separate and direct access to the Audit Committee and meet with the committee periodically to discuss accounting, auditing and financial reporting matters.

EOG's management assessed the effectiveness of EOG's internal control over financial reporting as of December 31, 2020.2022.  In making this assessment, EOG used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control - Integrated Framework (2013).  These criteria cover the control environment, risk assessment process, control activities, information and communication systems, and monitoring activities.  Based on this assessment and those criteria, management believes that EOG maintained effective internal control over financial reporting as of December 31, 2020.2022.

Deloitte & Touche LLP, independent registered public accounting firm, was engaged to audit the consolidated financial statements of EOG and audit EOG's internal control over financial reporting and issue a report thereon.  In the conduct of the audits, Deloitte & Touche LLP was given unrestricted access to all financial records and related data, including all minutes of meetings of stockholders, the Board of Directors and committees of the Board of Directors.  Management believes that all representations made to Deloitte & Touche LLP during the audits were valid and appropriate.  Their audits were made in accordance with the standards of the Public Company Accounting Oversight Board (United States). Their report appears on page F-3.

WILLIAM R. THOMASEZRA Y. YACOB TIMOTHY K. DRIGGERS
Chairman of the Board and Chief Executive OfficerExecutive Vice President and Chief
Chief Executive OfficerFinancial Officer
   
Houston, Texas  
February 25, 202123, 2023  

F-2



REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


To the Stockholders and the Board of Directors of
EOG Resources, Inc.
Houston, Texas

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of EOG Resources, Inc. and subsidiaries (the "Company") as of December 31, 20202022 and 2019,2021, the related consolidated statements of income (loss) and comprehensive income (loss), stockholders' equity, and cash flows for each of the three years in the period ended December 31, 2020,2022, and the related notes (collectively referred to as the “financial statements”). We also have audited the Company's internal control over financial reporting as of December 31, 2020,2022, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 20202022 and 2019,2021, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2020,2022, in conformity with accounting principles generally accepted in the United States of America. Also, in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2020,2022, based on the criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

Basis for Opinions

The Company's management is responsible for these financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Report on Internal Control overResponsibility for Financial Reporting. Our responsibility is to express an opinion on these financial statements and an opinion on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the financial statements included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures to respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

F-3



Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Proved Oil and Gas Properties and Depletion and Impairment – Crude Oil and Condensate, NGLs, and Natural Gas Reserves —Refer to NotesNote 1 13 and 14 to the Financial Statements

Critical Audit Matter Description

The Company’s capitalized costs of proved oil and natural gas properties are depleted using the units of production method and are evaluated for impairment by comparison to the future net cash flows of the underlyingbased on estimated proved crude oil, natural gas liquids (NGLs) and natural gas reserves. The development of the Company’s estimated proved crude oil, NGLs and natural gas reserve volumes and the related future net cash flows requires management to make significant estimates and scheduling assumptions related to the five-year development plan for proved undeveloped reserves, future crude oil, NGLs and natural gas prices, and future well costs.assumptions. The Company’s reserve engineers estimate crude oil, NGLs and natural gas quantities using these estimates and assumptions and engineering data. Changes in these assumptions could have a significant impact onmaterially affect the Company’s estimated reserve quantities and the amount of depletion and any proved oil and gas impairment.depletion. Proved oil and gas properties were $23$23.8 billion as of December 31, 2020,2022, net of accumulated depletion, and depletion and proved property impairment were $3.2was $3.3 billion, and $1.3 billion, respectively, for the year then ended.

Given the significant judgments made by management, performing audit procedures to evaluate the Company’s estimated proved crude oil, NGLs and natural gas reserve quantities, and the related future net cash flows including management’s estimates and assumptions related to the five-year development plan, future crude oil, NGLs and natural gas prices and future well costs, required a high degree of auditor judgment and an increased extent of effort, including the need to involve our fair value specialists.effort.

How the Critical Audit Matter Was Addressed in the Audit

Our audit procedures related to management’s significant estimates and assumptions related to crude oil, NGLs and natural gas reserve quantities and estimates of future net cash flows included the following, among others:

We tested the operating effectiveness of controls over the Company’s estimation of proved crude oil, NGLs and natural gas reserve quantities and related future net cash flows, including controls relating to the five-year development plan, future crude oil, NGLs and natural gas prices and future well costs.

We evaluated the reasonableness of management’s five-year development plan by comparing the forecasts to:
Historical conversions of proved undeveloped reserves.
Internal communications to management and the Board of Directors.
Approval for expenditures.
Analyst and industry reports for the Company and certain of its peer companies.

With the assistance of our fair value specialists, we evaluated management’s estimated future crude oil, NGLs and natural gas prices by:
Understanding the methodology used by management for development of the future prices and comparing the estimated prices to an independently determined range of prices.
Comparing management’s estimates to published forward pricing indices and third-party industry sources.
Evaluating the historical realized price differentials incorporated in the future crude oil, NGLs and natural gas prices.
F-4



We evaluated the reasonableness of capital expenditures (well costs) by comparing the estimate to:
Historical development of similar wells drilled.
Analyst and industry reports.quantities.

We evaluated the Company’s estimated proved crude oil, NGLs and natural gas reserve volumesquantities by:
ComparingEvaluating the experience, qualifications, and objectivity of the Company’s reserve volumesengineers and the independent petroleum consultants, including the methodologies used to historical production volumes.estimate proved crude oil, NGLs and natural gas reserve quantities.
Comparing the Company’s reserve volumes to those independently developed by the independent petroleum consultants.
EvaluatingComparing the Company’s reserve estimated future production to historical production volumes.
Assessing the reasonableness of the production volume decline curves.curves by comparing to historical decline curve estimates.

Understanding the experience, qualifications, and objectivity of the Company’s reserve engineers and the independent petroleum consultants.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas
February 25, 202123, 2023

We have served as the Company's auditor since 2002.


F-5F-4


EOG RESOURCES, INC.
CONSOLIDATED STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS)
(In Thousands,Millions, Except Per Share Data)


Year Ended December 31Year Ended December 31202020192018Year Ended December 31202220212020
Operating Revenues and OtherOperating Revenues and OtherOperating Revenues and Other
Crude Oil and CondensateCrude Oil and Condensate$5,785,609 $9,612,532 $9,517,440 Crude Oil and Condensate$16,367 $11,125 $5,786 
Natural Gas LiquidsNatural Gas Liquids667,514 784,818 1,127,510 Natural Gas Liquids2,648 1,812 668 
Natural GasNatural Gas837,133 1,184,095 1,301,537 Natural Gas3,781 2,444 837 
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts1,144,737 180,275 (165,640)
Gains (Losses) on Mark-to-Market Financial Commodity Derivative Contracts, NetGains (Losses) on Mark-to-Market Financial Commodity Derivative Contracts, Net(3,982)(1,152)1,145 
Gathering, Processing and MarketingGathering, Processing and Marketing2,582,984 5,360,282 5,230,355 Gathering, Processing and Marketing6,696 4,288 2,583 
Gains (Losses) on Asset Dispositions, NetGains (Losses) on Asset Dispositions, Net(46,883)123,613 174,562 Gains (Losses) on Asset Dispositions, Net74 17 (47)
Other, NetOther, Net60,954 134,358 89,635 Other, Net118 108 60 
TotalTotal11,032,048 17,379,973 17,275,399 Total25,702 18,642 11,032 
Operating ExpensesOperating Expenses   Operating Expenses   
Lease and WellLease and Well1,063,374 1,366,993 1,282,678 Lease and Well1,331 1,135 1,063 
Transportation CostsTransportation Costs734,989 758,300 746,876 Transportation Costs966 863 735 
Gathering and Processing CostsGathering and Processing Costs459,211 479,102 436,973 Gathering and Processing Costs621 559 459 
Exploration CostsExploration Costs145,788 139,881 148,999 Exploration Costs159 154 146 
Dry Hole CostsDry Hole Costs13,083 28,001 5,405 Dry Hole Costs45 71 13 
ImpairmentsImpairments2,099,780 517,896 347,021 Impairments382 376 2,100 
Marketing CostsMarketing Costs2,697,729 5,351,524 5,203,243 Marketing Costs6,535 4,173 2,698 
Depreciation, Depletion and AmortizationDepreciation, Depletion and Amortization3,400,353 3,749,704 3,435,408 Depreciation, Depletion and Amortization3,542 3,651 3,400 
General and AdministrativeGeneral and Administrative483,823 489,397 426,969 General and Administrative570 511 484 
Taxes Other Than IncomeTaxes Other Than Income477,934 800,164 772,481 Taxes Other Than Income1,585 1,047 478 
TotalTotal11,576,064 13,680,962 12,806,053 Total15,736 12,540 11,576 
Operating Income (Loss)Operating Income (Loss)(544,016)3,699,011 4,469,346 Operating Income (Loss)9,966 6,102 (544)
Other Income, NetOther Income, Net10,228 31,385 16,704 Other Income, Net114 10 
Income (Loss) Before Interest Expense and Income TaxesIncome (Loss) Before Interest Expense and Income Taxes(533,788)3,730,396 4,486,050 Income (Loss) Before Interest Expense and Income Taxes10,080 6,111 (534)
Interest ExpenseInterest Expense   Interest Expense   
IncurredIncurred236,154 223,421 269,549 Incurred215 211 236 
CapitalizedCapitalized(30,888)(38,292)(24,497)Capitalized(36)(33)(31)
Net Interest ExpenseNet Interest Expense205,266 185,129 245,052 Net Interest Expense179 178 205 
Income (Loss) Before Income TaxesIncome (Loss) Before Income Taxes(739,054)3,545,267 4,240,998 Income (Loss) Before Income Taxes9,901 5,933 (739)
Income Tax Provision (Benefit)Income Tax Provision (Benefit)(134,482)810,357 821,958 Income Tax Provision (Benefit)2,142 1,269 (134)
Net Income (Loss)Net Income (Loss)$(604,572)$2,734,910 $3,419,040 Net Income (Loss)$7,759 $4,664 $(605)
Net Income (Loss) Per ShareNet Income (Loss) Per Share   Net Income (Loss) Per Share   
BasicBasic$(1.04)$4.73 $5.93 Basic$13.31 $8.03 $(1.04)
DilutedDiluted$(1.04)$4.71 $5.89 Diluted$13.22 $7.99 $(1.04)
Average Number of Common SharesAverage Number of Common Shares   Average Number of Common Shares   
BasicBasic578,949 577,670 576,578 Basic583 581 579 
DilutedDiluted578,949 580,777 580,441 Diluted587 584 579 
Comprehensive Income (Loss)Comprehensive Income (Loss)   Comprehensive Income (Loss)   
Net Income (Loss)Net Income (Loss)$(604,572)$2,734,910 $3,419,040 Net Income (Loss)$7,759 $4,664 $(605)
Other Comprehensive Income (Loss)Other Comprehensive Income (Loss)   Other Comprehensive Income (Loss)   
Foreign Currency Translation AdjustmentsForeign Currency Translation Adjustments(7,346)(2,883)16,816 Foreign Currency Translation Adjustments(1)(7)
Other, Net of TaxOther, Net of Tax(330)(678)1,123 Other, Net of Tax— — 
Other Comprehensive Income (Loss)Other Comprehensive Income (Loss)(7,676)(3,561)17,939 Other Comprehensive Income (Loss)— (7)
Comprehensive Income (Loss)Comprehensive Income (Loss)$(612,248)$2,731,349 $3,436,979 Comprehensive Income (Loss)$7,763 $4,664 $(612)

The accompanying notes are an integral part of these consolidated financial statements.
F-5


EOG RESOURCES, INC.
CONSOLIDATED BALANCE SHEETS
(In Millions, Except Share Data)
At December 3120222021
ASSETS
Current Assets
Cash and Cash Equivalents$5,972 $5,209 
Accounts Receivable, Net2,774 2,335 
Inventories1,058 584 
Income Taxes Receivable97 — 
Other574 456 
Total10,475 8,584 
Property, Plant and Equipment  
Oil and Gas Properties (Successful Efforts Method)67,322 67,644 
Other Property, Plant and Equipment4,786 4,753 
Total Property, Plant and Equipment72,108 72,397 
Less: Accumulated Depreciation, Depletion and Amortization(42,679)(43,971)
Total Property, Plant and Equipment, Net29,429 28,426 
Deferred Income Taxes33 11 
Other Assets1,434 1,215 
Total Assets$41,371 $38,236 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities  
Accounts Payable$2,532 $2,242 
Accrued Taxes Payable405 518 
Dividends Payable482 436 
Liabilities from Price Risk Management Activities169 269 
Current Portion of Long-Term Debt1,283 37 
Current Portion of Operating Lease Liabilities296 240 
Other346 300 
Total5,513 4,042 
Long-Term Debt3,795 5,072 
Other Liabilities2,574 2,193 
Deferred Income Taxes4,710 4,749 
Commitments and Contingencies (Note 8)
Stockholders' Equity  
Common Stock, $0.01 Par, 1,280,000,000 Shares Authorized and 588,396,757 Shares and 585,521,512 Shares Issued at December 31, 2022 and 2021, respectively206 206 
Additional Paid in Capital6,187 6,087 
Accumulated Other Comprehensive Loss(8)(12)
Retained Earnings18,472 15,919 
Common Stock Held in Treasury, 700,281 Shares and 257,268 Shares at December 31, 2022 and 2021, respectively(78)(20)
Total Stockholders' Equity24,779 22,180 
Total Liabilities and Stockholders' Equity$41,371 $38,236 
The accompanying notes are an integral part of these consolidated financial statements.
F-6


EOG RESOURCES, INC.
CONSOLIDATED BALANCE SHEETSSTATEMENTS OF STOCKHOLDERS' EQUITY
(In Thousands,Millions, Except Per Share Data)
 Common
Stock
Additional
Paid In
Capital
Accumulated
Other
Comprehensive
Income (Loss)
Retained
Earnings
Common
Stock
Held In
Treasury
Total
Stockholders'
Equity
Balance at December 31, 2019$206 $5,817 $(5)$15,649 $(27)$21,640 
Net Loss— — — (605)— (605)
Common Stock Issued Under Stock Plans— — — — — — 
Common Stock Dividends Declared, $1.50 Per Share— — — (874)— (874)
Other Comprehensive Loss— — (7)— — (7)
Change in Treasury Stock - Stock Compensation Plans, Net— (9)— — — 
Restricted Stock and Restricted Stock Units, Net— (9)— — — 
Stock-Based Compensation Expenses— 146 — — — 146 
Treasury Stock Issued as Compensation— — — — 
Balance at December 31, 2020206 5,945 (12)14,170 (7)20,302 
Net Income— — — 4,664 — 4,664 
Common Stock Issued Under Stock Plans— 17 — — — 17 
Common Stock Dividends Declared, $4.9875 Per Share— — — (2,915)— (2,915)
Other Comprehensive Loss— — — — — — 
Change in Treasury Stock - Stock Compensation Plans, Net— (22)— — (18)(40)
Restricted Stock and Restricted Stock Units, Net— (5)— — — 
Stock-Based Compensation Expenses— 152 — — — 152 
Treasury Stock Issued as Compensation— — — — — — 
Balance at December 31, 2021206 6,087 (12)15,919 (20)22,180 
Net Income— — — 7,759 — 7,759 
Common Stock Issued Under Stock Plans— 24 — — — 24 
Common Stock Dividends Declared, $8.875 Per Share— — — (5,206)— (5,206)
Other Comprehensive Income— — — — 
Change in Treasury Stock - Stock Compensation Plans, Net— (55)— — (61)(116)
Restricted Stock and Restricted Stock Units, Net— (2)— — — 
Stock-Based Compensation Expenses— 133 — — — 133 
Treasury Stock Issued as Compensation— — — — 
Balance at December 31, 2022$206 $6,187 $(8)$18,472 $(78)$24,779 
At December 3120202019
ASSETS
Current Assets
Cash and Cash Equivalents$3,328,928 $2,027,972 
Accounts Receivable, Net1,522,256 2,001,658 
Inventories629,401 767,297 
Assets from Price Risk Management Activities64,559 1,299 
Income Taxes Receivable23,037 151,665 
Other293,987 323,448 
Total5,862,168 5,273,339 
Property, Plant and Equipment  
Oil and Gas Properties (Successful Efforts Method)64,792,798 62,830,415 
Other Property, Plant and Equipment4,478,976 4,472,246 
Total Property, Plant and Equipment69,271,774 67,302,661 
Less: Accumulated Depreciation, Depletion and Amortization(40,673,147)(36,938,066)
Total Property, Plant and Equipment, Net28,598,627 30,364,595 
Deferred Income Taxes2,127 2,363 
Other Assets1,341,679 1,484,311 
Total Assets$35,804,601 $37,124,608 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities  
Accounts Payable$1,681,193 $2,429,127 
Accrued Taxes Payable205,754 254,850 
Dividends Payable217,419 166,273 
Liabilities from Price Risk Management Activities20,194 
Current Portion of Long-Term Debt781,054 1,014,524 
Current Portion of Operating Lease Liabilities295,089 369,365 
Other279,595 232,655 
Total3,460,104 4,486,988 
Long-Term Debt5,035,351 4,160,919 
Other Liabilities2,147,932 1,789,884 
Deferred Income Taxes4,859,327 5,046,101 
Commitments and Contingencies (Note 8)00
Stockholders' Equity  
Common Stock, $0.01 Par, 1,280,000,000 Shares Authorized and 583,694,850 Shares and 582,213,016 Shares Issued at December 31, 2020 and 2019, respectively205,837 205,822 
Additional Paid in Capital5,945,024 5,817,475 
Accumulated Other Comprehensive Loss(12,328)(4,652)
Retained Earnings14,169,969 15,648,604 
Common Stock Held in Treasury, 124,265 Shares and 298,820 Shares at December 31, 2020 and 2019, respectively(6,615)(26,533)
Total Stockholders' Equity20,301,887 21,640,716 
Total Liabilities and Stockholders' Equity$35,804,601 $37,124,608 

The accompanying notes are an integral part of these consolidated financial statements.
F-7


EOG RESOURCES, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITYCASH FLOWS
(In Thousands, Except Per Share Data)
 Common
Stock
Additional
Paid In
Capital
Accumulated
Other
Comprehensive
Income (Loss)
Retained
Earnings
Common
Stock
Held In
Treasury
Total
Stockholders'
Equity
Balance at December 31, 2017$205,788 $5,536,547 $(19,297)$10,593,533 $(33,298)$16,283,273 
Net Income3,419,040 3,419,040 
Common Stock Issued Under Stock Plans5,612 5,620 
Common Stock Dividends Declared, $0.81 Per Share(469,443)(469,443)
Other Comprehensive Income17,939 17,939 
Change in Treasury Stock - Stock Compensation Plans, Net(35,118)(13,336)(48,454)
Restricted Stock and Restricted Stock Units, Net(3,891)3,883 
Stock-Based Compensation Expenses155,337 155,337 
Treasury Stock Issued as Compensation307 569 876 
Balance at December 31, 2018205,804 5,658,794 (1,358)13,543,130 (42,182)19,364,188 
Net Income2,734,910 2,734,910 
Common Stock Issued Under Stock Plans(9)(8)
Common Stock Dividends Declared, $1.0825 Per Share(629,169)(629,169)
Other Comprehensive Loss(3,561)(3,561)
Change in Treasury Stock - Stock Compensation Plans, Net(10,637)3,784 (6,853)
Restricted Stock and Restricted Stock Units, Net17 (4,566)4,549 
Stock-Based Compensation Expenses174,738 174,738 
Treasury Stock Issued as Compensation(845)7,316 6,471 
Cumulative Effect of Accounting Changes267 (267)
Balance at December 31, 2019205,822 5,817,475 (4,652)15,648,604 (26,533)21,640,716 
Net Loss(604,572)(604,572)
Common Stock Issued Under Stock Plans
Common Stock Dividends Declared, $1.50 Per Share(874,063)(874,063)
Other Comprehensive Loss(7,676)(7,676)
Change in Treasury Stock - Stock Compensation Plans, Net(9,152)9,089 (63)
Restricted Stock and Restricted Stock Units, Net15 (9,310)9,295 
Stock-Based Compensation Expenses146,396 146,396 
Treasury Stock Issued as Compensation(385)1,534 1,149 
Balance at December 31, 2020$205,837 $5,945,024 $(12,328)$14,169,969 $(6,615)$20,301,887 
Millions)
Year Ended December 31202220212020
Cash Flows from Operating Activities
Reconciliation of Net Income (Loss) to Net Cash Provided by Operating Activities:
Net Income (Loss)$7,759 $4,664 $(605)
Items Not Requiring (Providing) Cash   
Depreciation, Depletion and Amortization3,542 3,651 3,400 
Impairments382 376 2,100 
Stock-Based Compensation Expenses133 152 146 
Deferred Income Taxes(61)(122)(186)
(Gains) Losses on Asset Dispositions, Net(74)(17)47 
Other, Net— 13 12 
Dry Hole Costs45 71 13 
Mark-to-Market Financial Commodity Derivative Contracts   
(Gains) Losses, Net3,982 1,152 (1,145)
Net Cash Received from (Payments for) Settlements of Financial Commodity Derivative Contracts(3,501)(638)1,071 
Other, Net45 
Changes in Components of Working Capital and Other Assets and Liabilities   
Accounts Receivable(347)(821)467 
Inventories(534)(13)123 
Accounts Payable90 456 (795)
Accrued Taxes Payable(113)312 (49)
Other Assets(364)(136)325 
Other Liabilities(266)(116)
Changes in Components of Working Capital Associated with Investing Activities375 (200)75 
Net Cash Provided by Operating Activities11,093 8,791 5,008 
Investing Cash Flows   
Additions to Oil and Gas Properties(4,619)(3,638)(3,244)
Additions to Other Property, Plant and Equipment(381)(212)(221)
Proceeds from Sales of Assets349 231 192 
Other Investing Activities(30)— — 
Changes in Components of Working Capital Associated with Investing Activities(375)200 (75)
Net Cash Used in Investing Activities(5,056)(3,419)(3,348)
Financing Cash Flows   
Long-Term Debt Borrowings— — 1,484 
Long-Term Debt Repayments— (750)(1,000)
Dividends Paid(5,148)(2,684)(821)
Treasury Stock Purchased(118)(41)(16)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan28 19 16 
Debt Issuance Costs— — (3)
Repayment of Finance Lease Liabilities(35)(37)(19)
Net Cash Used in Financing Activities(5,273)(3,493)(359)
Effect of Exchange Rate Changes on Cash(1)— 
Increase in Cash and Cash Equivalents763 1,880 1,301 
Cash and Cash Equivalents at Beginning of Year5,209 3,329 2,028 
Cash and Cash Equivalents at End of Year$5,972 $5,209 $3,329 

The accompanying notes are an integral part of these consolidated financial statements.
F-8


EOG RESOURCES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In Thousands)
Year Ended December 31202020192018
Cash Flows from Operating Activities
Reconciliation of Net Income (Loss) to Net Cash Provided by Operating Activities:
Net Income (Loss)$(604,572)$2,734,910 $3,419,040 
Items Not Requiring (Providing) Cash   
Depreciation, Depletion and Amortization3,400,353 3,749,704 3,435,408 
Impairments2,099,780 517,896 347,021 
Stock-Based Compensation Expenses146,396 174,738 155,337 
Deferred Income Taxes(186,390)631,658 894,156 
(Gains) Losses on Asset Dispositions, Net46,883 (123,613)(174,562)
Other, Net12,826 4,496 7,066 
Dry Hole Costs13,083 28,001 5,405 
Mark-to-Market Commodity Derivative Contracts   
Total (Gains) Losses(1,144,737)(180,275)165,640 
Net Cash Received from (Payments for) Settlements of Commodity Derivative Contracts1,070,647 231,229 (258,906)
Other, Net1,354 962 3,108 
Changes in Components of Working Capital and Other Assets and Liabilities   
Accounts Receivable466,523 (91,792)(368,180)
Inventories122,647 90,284 (395,408)
Accounts Payable(795,267)168,539 439,347 
Accrued Taxes Payable(49,096)40,122 (92,461)
Other Assets324,521 358,001 (125,435)
Other Liabilities8,098 (56,619)10,949 
Changes in Components of Working Capital Associated with Investing and Financing Activities74,734 (115,061)301,083 
Net Cash Provided by Operating Activities5,007,783 8,163,180 7,768,608 
Investing Cash Flows   
Additions to Oil and Gas Properties(3,243,474)(6,151,885)(5,839,294)
Additions to Other Property, Plant and Equipment(221,226)(270,641)(237,181)
Proceeds from Sales of Assets191,928 140,292 227,446 
Other Investing Activities(10,000)(19,993)
Changes in Components of Working Capital Associated with Investing Activities(74,734)115,061 (301,140)
Net Cash Used in Investing Activities(3,347,506)(6,177,173)(6,170,162)
Financing Cash Flows   
Long-Term Debt Borrowings1,483,852 
Long-Term Debt Repayments(1,000,000)(900,000)(350,000)
Dividends Paid(820,823)(588,200)(438,045)
Treasury Stock Purchased(16,130)(25,152)(63,456)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan16,169 17,946 20,560 
Debt Issuance Costs(2,649)(5,016)
Repayment of Finance Lease Liabilities(19,444)(12,899)(8,219)
Changes in Components of Working Capital Associated with Financing Activities57 
Net Cash Used in Financing Activities(359,025)(1,513,321)(839,103)
Effect of Exchange Rate Changes on Cash(296)(348)(37,937)
Increase in Cash and Cash Equivalents1,300,956 472,338 721,406 
Cash and Cash Equivalents at Beginning of Year2,027,972 1,555,634 834,228 
Cash and Cash Equivalents at End of Year$3,328,928 $2,027,972 $1,555,634 

The accompanying notes are an integral part of these consolidated financial statements.
F-9


EOG RESOURCES, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


1.  Summary of Significant Accounting Policies

Nature of Business. EOG Resources, Inc., a Delaware corporation organized in 1985, together with its subsidiaries (collectively, EOG), explores for, develops, produces and markets crude oil, natural gas liquids (NGLs) and natural gas primarily in major producing basins in the United States of America (United States or U.S.) and the Republic of Trinidad and Tobago (Trinidad). EOG is making preparations to drill offshore Australia, as well as evaluating additional exploration, development and exploitation opportunities in these and other select international areas. In addition, EOG is in the process of exiting Block 36 and Block 49 in the Sultanate of Oman (Oman) and is executing an abandonment and reclamation program in Canada. EOG sold its operations in the China Sichuan Basin (China) in the second quarter of 2021.

Principles of Consolidation. The consolidated financial statements of EOG Resources, Inc. (EOG) include the accounts of all domestic and foreign subsidiaries.  InvestmentsAny investments in unconsolidated affiliates, in which EOG is able to exercise significant influence, are accounted for using the equity method.  All intercompany accounts and transactions have been eliminated.

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.

Financial Instruments.  EOG's financial instruments consist of cash and cash equivalents, financial commodity derivative contracts, accounts receivable, accounts payable and current and long-term debt.  The carrying values of cash and cash equivalents, financial commodity derivative contracts, accounts receivable and accounts payable approximate fair value (see Notes 2 and 12).

Effective January 1, 2020, EOG adopted the provisions of Accounting Standards Update (ASU) 2016-13, "Measurement of Credit Losses on Financial Instruments" (ASU 2016-13). ASU 2016-13 changes the impairment model for financial assets and certain other instruments by requiring entities to adopt a forward-looking expected loss model that will result in earlier recognition of credit losses. EOG elected to adopt ASU 2016-13 using the modified retrospective approach with a cumulative effect adjustment to retained earnings as of the effective date. Financial results reported in periods prior to January 1, 2020, are unchanged. EOG assessed its applicable financial assets, which are primarily its accounts receivable from hydrocarbon sales and joint interest billings to third-party companies, including foreign state-owned entities in the oil and gas industry. Based on its assessment and various potential remedies ensuring collection, EOG did not record an impact to retained earnings upon adoption and expects current and future credit losses to be immaterial. EOG continues to monitor the credit risk from third-party companies to determine if expected credit losses may become material.

Cash and Cash Equivalents. EOG records as cash equivalents all highly liquid short-term investments with original maturities of three months or less.

Oil and Gas Operations. EOG accounts for its crude oil and natural gas exploration and production activities under the successful efforts method of accounting.

Oil and gas lease acquisition costs are capitalized when incurred. Unproved properties with acquisition costs that are not individually significant are aggregated, and the portion of such costs estimated to be nonproductive is amortized over the remaining lease term.  Unproved properties with individually significant acquisition costs are reviewed individually for impairment. If the unproved properties are determined to be productive, the appropriate related costs are transferred to proved oil and gas properties.  Lease rentals are expensed as incurred.

Oil and gas exploration costs, other than the costs of drilling exploratory wells, are expensed as incurred.  The costs of drilling exploratory wells are capitalized pending determination of whether EOG has discovered commercial quantities of proved reserves.  If commercial quantities of proved reserves are not discovered, such drilling costs are expensed.  In some circumstances, it may be uncertain whether commercial quantities of proved reserves have been discovered when drilling has been completed.  Such exploratory well drilling costs may continue to be capitalized if the estimated reserve quantity is sufficient to justify its completion as a producing well and sufficient progress in assessing the reserves and the economic and operating viability of the project is being made (see Note 16).  Costs to develop proved reserves, including the costs of all development wells and related equipment used in the production of crude oil and natural gas, are capitalized.


F-10
F-9


Depreciation, depletion and amortization of the cost of proved oil and gas properties is calculated using the unit-of-production method.  The reserve base used to calculate depreciation, depletion and amortization for leasehold acquisition costs and the cost to acquire proved properties is the sum of proved developed reserves and proved undeveloped reserves.  With respect to lease and well equipment costs, which include development costs and successful exploration drilling costs, the reserve base includes only proved developed reserves.  Estimated future dismantlement, restoration and abandonment costs, net of salvage values, are taken into account.

Oil and gas properties are grouped in accordance with the provisions of the Extractive Industries - Oil and Gas Topic of the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC).  The basis for grouping is a reasonable aggregation of properties with a common geological structural feature or stratigraphic condition, such as a reservoir or field.

Amortization rates are updated quarterly to reflect: 1) the addition of capital costs, 2) reserve revisions (upwards or downwards) and additions, 3) property acquisitions and/or property dispositions and 4) impairments.

When circumstances indicate that proved oil and gas properties may be impaired, EOG compares expected undiscounted future cash flows at a depreciation, depletion and amortization group level to the unamortized capitalized cost of the asset.group.  If the expected undiscounted future cash flows, based on EOG's estimate of (and assumptions regarding) future crude oil, natural gas liquids (NGLs)NGLs and natural gas prices, operating costs, development expenditures, anticipated production from proved reserves and other relevant data, are lower than the unamortized capitalized cost, the capitalized cost is reduced to fair value.  Fair value is generally calculated using the Income Approach described in the Fair Value Measurement Topic of the ASC.  In certain instances, EOG utilizes accepted offers from third-party purchasers as the basis for determining fair value.

Other Property, Plant and Equipment.  Other property, plant and equipment consists of gathering and processing assets, compressors, buildings and leasehold improvements, computer hardware and software, vehicles, and furniture and fixtures.  Other property, plant and equipment is generally depreciated on a straight-line basis over the estimated useful lives of the property, plant and equipment, which range from 3 years to 45 years.

Inventories.Inventories consistingconsist primarily of tubular goods, materials for completion operations, and well equipment and gathering lines held for use in the exploration for, and development and production of, crude oil, NGLs and natural gas reserves, are carriedreserves. EOG accounts for inventories at the lower of cost and net realizable value with adjustments made, as appropriate, to recognize any reductions in value.

Revenue Recognition. Effective January 1, 2018, EOG adopted the provisions of ASU 2014-09, "Revenue From Contracts With Customers" (ASU 2014-09). ASU 2014-09 and other related ASUs require entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. EOG elected to adopt ASU 2014-09 using the modified retrospective approach, which required EOG to recognize in retained earnings the cumulative effect at the date of adoption for all existing contracts with customers which were not substantially complete as of January 1, 2018. There was no impact to retained earnings upon adoption of ASU 2014-09.

EOG presents disaggregated revenues by type of commodity within its Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) and by geographic areas defined as operating segments. See Note 11.

In connection with the adoption of ASU 2014-09, EOG presents natural gas processing fees relating to certain processing and marketing agreements within its United States segment as Gathering and Processing Costs, instead of as a deduction to Revenues within its Consolidated Statements of Income (Loss) and Comprehensive Income (Loss). There was no impact to operating income, net income or cash flows resulting from changes to the presentation of natural gas processing fees. The impacts of the adoption of ASU 2014-09 for the year ended December 31, 2018, were as follows (in thousands):

F-11


As ReportedAmounts Without Adoption of ASU 2014-09Effect of Change
Operating Revenues and Other
Crude Oil and Condensate$9,517,440 $9,517,440 $
Natural Gas Liquids1,127,510 1,121,237 6,273 
Natural Gas1,301,537 1,104,095 197,442 
Gathering, Processing and Marketing5,230,355 5,211,136 19,219 
Total Operating Revenues and Other17,275,399 17,052,465 222,934 
Operating Expenses
Gathering and Processing Costs436,973 233,258 203,715 
Marketing Costs5,203,243 5,184,024 19,219 
Total Operating Expenses12,806,053 12,583,119 222,934 
Operating Income4,469,346 4,469,346 

Revenues are recognized for the sale of crude oil and condensate, NGLs and natural gas at the point control of the product is transferred to the customer, typically when production is delivered and title or risk of loss transfers to the customer. Arrangements for such sales are evidenced by signed contracts with prices typically based on stated market indices, with certain adjustments for product quality and geographic location. As EOG typically invoices customers shortly after performance obligations have been fulfilled, contract assets and contract liabilities are not recognized. The balances of accounts receivable from contracts with customers as of December 31, 20202022 and 2019 and upon adoption of ASU 2014-09 effective January 1, 2018,2021, were $1,337 million, $1,619$2,340 million and $1,460$2,130 million, respectively, and wereare included in Accounts Receivable, Net on the Consolidated Balance Sheets. Losses incurred on receivables from contracts with customers are infrequent and have been immaterial. Certain arrangements provide for the sale of fixed quantities of commodities in future years with pricing mechanisms based on future market prices at time of delivery. EOG does not disclose the value of these obligations given the uncertainty of the future realized transaction price.

Crude Oil and Condensate. EOG sells its crude oil and condensate production at the wellhead or further downstream at a contractually-specified delivery point. Revenue is recognized when control transfers to the customer based on contract terms which reflect prevailing market prices. Any costs incurred prior to the transfer of control, such as gathering and transportation, are recognized as Operating Expenses.


F-10


Natural Gas Liquids. EOG delivers certain of its natural gas production to either EOG-owned processing facilities or third-party processing facilities, where extraction of NGLs occurs. For EOG-owned facilities, revenue is recognized after processing upon transfer of NGLs to a customer. For third-party facilities, extracted NGLs are sold to the owner of the processing facility at the tailgate, or EOG takes possession and sells the extracted NGLs at the tailgate or exercises its option to sell further downstream to various customers. Under typical arrangements for third-party facilities, revenue is recognized after processing upon the transfer of control of the NGLs, either at the tailgate of the processing plant or further downstream. EOG recognizes revenues based on contract terms which reflect prevailing market prices, with any costs prior to the transfer of control, such as processing, transportation and fractionation fees, recognized as Transportation Costs and Gathering and Processing Costs.Costs, as appropriate.

Natural Gas. EOG sells its natural gas production either at the wellhead or further downstream at a contractually-specified delivery point. In connection with the extraction of NGLs, EOG sells residue gas under separate agreements. Typically, EOG takes possession of the natural gas at the tailgate of the processing facility and sells it at the tailgate or further downstream. In each case, EOG recognizes revenues when control transfers to the customer, based on contract terms which reflect prevailing market prices.

F-12


Gathering, Processing and Marketing. Gathering, processing and marketing revenues represent sales of third-party crude oil and condensate, NGLs and natural gas, as well as fees associated with gathering and processing third-party natural gas and revenues from sales of EOG-owned sand. EOG evaluates whether it is the principal or agent under these transactions. As control of the underlying commodity is transferred to EOG prior to the gathering, processing and marketing activities, EOG considers itself the principal of these arrangements. Accordingly, EOG recognizes these transactions on a gross basis. Purchases of third-party commodities are recorded as Marketing Costs, with sales of third-party commodities and fees received for gathering and processing recorded as Gathering, Processing and Marketing revenues.

Other Property, Plant and Equipment.  Other property, plant and equipment consists of gathering and processing assets, compressors, buildings and leasehold improvements, sand processing assets, computer hardware and software, vehicles, and furniture and fixtures.  Other property, plant and equipment is generally depreciated on a straight-line basis over the estimated useful lives of the property, plant and equipment, which range from 3 years to 45 years.

Capitalized Interest Costs.  Interest costs have been capitalized as a part of the historical cost of unproved oil and gas properties.  The amount capitalized is an allocation of the interest cost incurred during the reporting period.  Capitalized interest is computed only during the exploration and development phases and ceases once production begins.  The interest rate used for capitalization purposes is based on the interest rates on EOG's outstanding borrowings. The capitalization of interest is excluded on significant acquisitions of unproved oil and gas properties financed through non-interest-bearing instruments, such as the issuance of shares of Common Stock, or through non-cash property exchanges.

Accounting for Risk Management Activities.  DerivativeFinancial commodity derivative instruments are recorded on the balance sheet as either an asset or liability measured at fair value, and changes in the derivative'sinstrument's fair value are recognized currently in earnings unless specific hedge accounting criteria are met.  During the three-year period ended December 31, 2020,2022, EOG elected not to designate any of its financial commodity derivative instruments as accounting hedges and, accordingly, changes in the fair value of these outstanding derivative instruments are recognized as gains or losses in the period of change.  The gains or losses are recorded as Gains (Losses) on Mark-to-Market Financial Commodity Derivative Contracts on the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss).  The related cash flow impact of settled contracts is reflected as cash flows from operating activities.  EOG employs net presentation of financial commodity derivative assets and liabilities for financial reporting purposes when such assets and liabilities are with the same counterparty and subject to a master netting arrangement.  See Note 12.

Income Taxes. Income taxes are accounted for using the asset and liability approach.  Under this approach, deferred tax assets and liabilities are recognized based on anticipated future tax consequences attributable to differences between financial statement carrying amounts of assets and liabilities and their respective tax basis.  EOG assesses the realizability of deferred tax assets and recognizes valuation allowances as appropriate. See Note 6.

Effective January 1, 2021, EOG adopted the provisions of ASU 2019-12, "Income Taxes (Topic 740) Simplifying the Accounting for Income Taxes" (ASU 2019-12). There was no impact upon adoption of ASU 2019-12 to EOG's consolidated financial statements or related disclosures.

Foreign Currency Translation. The United States dollar is the functional currency for all of EOG's consolidated subsidiaries except for its Canadian subsidiaries, for which the functional currency is the Canadian dollar, and its United Kingdom subsidiary (which was sold in the fourth quarter of 2018), for which the functional currency was the British pound.dollar.  For subsidiaries whose functional currency is deemed to be other than the United States dollar, asset and liability accounts are translated at year-end exchange rates and revenues and expenses are translated at average exchange rates prevailing during the year.  Translation adjustments are included in Accumulated Other Comprehensive Loss on the Consolidated Balance Sheets.  Any gains or losses on transactions or monetary assets or liabilities in currencies other than the functional currency are included in net income (loss) in the current period. See Notes 4 and 17.Note 4.


F-11


Net Income (Loss) Per Share. Basic net income (loss) per share is computed on the basis of the weighted-average number of common shares outstanding during the period.  Diluted net income (loss) per share is computed based upon the weighted-average number of common shares outstanding during the period plus the assumed issuance of common shares for all potentially dilutive securities. See Note 9.

Stock-Based Compensation. EOG measures the cost of employee services received in exchange for an award of equity instruments based on the grant-date fair value of the award. See Note 7.

Leases. Effective January 1, 2019, EOG adopted the provisions of ASU 2016-02, "Leases (Topic 842)" (ASU 2016-02). ASU 2016-02 and other related ASUs require that lessees recognize a right-of-use (ROU) asset and related lease liability, representing the obligation to make lease payments for certain lease transactions, on the Consolidated Balance Sheets and disclose additional leasing information.



F-13


EOG elected to adopt ASU 2016-02 and other related ASUs using the modified retrospective approach with a cumulative-effect adjustment to the opening balance of retained earnings as of the effective date. Financial results reported in periods prior to January 1, 2019, are unchanged. Additionally, EOG elected the package of practical expedients within ASU 2016-02 that allows an entity to not reassess prior to the effective date (i) whether any expired or existing contracts are or contain leases, (ii) the lease classification for any expired or existing leases, or (iii) initial direct costs for any existing leases, but did not elect the practical expedient of hindsight when determining the lease term of existing contracts at the effective date. EOG also elected the practical expedient under ASU 2018-01, "Leases (Topic 842) - Land Easement Practical Expedient for Transition to Topic 842," and did not evaluate existing or expired land easements not previously accounted for as leases prior to the January 1, 2019 effective date. There was no impact to retained earnings upon adoption of ASU 2016-02 and other related ASUs.

In the ordinary course of business, EOG enters into contracts for drilling, fracturing, compression, real estate and other services which contain equipment and other assets and that meet the definition of a lease under ASU 2016-02.ASC "Leases (Topic 842)." The lease term for these contracts, which includes any renewals at EOG's option that are reasonably certain to be exercised, ranges from one month to 30 years.

ROURight of Use (ROU) assets and related liabilities are recognized on the commencement date on the Consolidated Balance Sheets based on future lease payments, discounted based on the rate implicit in the contract, if readily determinable, or EOG's incremental borrowing rate commensurate with the lease term of the contract. EOG estimates its incremental borrowing rate based on the approximate rate required to borrow on a collateralized basis. Contracts with lease terms of less than 12 months are not recorded on the Consolidated Balance Sheets, but instead are disclosed as short-term lease cost. EOG has elected not to separate non-lease components from all leases, excluding those for fracturing services, real estate and saltproduced water disposal, as lease payments under these contracts contain significant non-lease components, such as labor and operating costs. See Note 18.

Recently Issued Accounting Standards. In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848)" (ASU 2020-04), which provides optional expedients and exceptions for accounting treatment of contracts which are affected by the anticipated discontinuation of the London InterBank Offered Rate (LIBOR) and other rates resulting from rate reform. Contract terms that are modified due to the replacement of a reference rate are not required to be remeasured or reassessed under relevant accounting standards. Early adoption is permitted. ASU 2020-04 covers certain contracts which reference these rates and that are entered into on or before December 31, 2022. EOG is evaluatinghas evaluated the provisions of ASU 2020-04 and has concluded that the application of ASU 2020-04 will not determined the fullhave a material impact on its consolidated financial statements and related disclosures related to its $2.0 billion senior unsecured Revolving Credit Agreement.

In December 2019, the FASB issued ASU 2019-12, "Income Taxes (Topic 740) ‑ Simplifying the Accounting for Income Taxes" (ASU 2019-12), which amends certain aspects of accounting for income taxes. ASU 2019-12 removes specific exceptions within existing U.S. GAAP related to the incremental approach for intraperiod tax allocation and to the general methodology for calculating income taxes in interim periods, among other changes. ASU 2019-12 also requires an entity to reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that includes the enactment date, among other requirements. ASU 2019-12 is effective for interim and annual periods beginning after December 15, 2020, and early adoption is permitted. EOG will adopt ASU 2019-12 effective January 1, 2021, with all of the anticipated and applicable effects to be required on a prospective basis. EOG does not expect the adoption of ASU 2019-12 to have a material impact on its consolidated financial statements and related disclosures.

F-14


2.  Long-Term Debt

Long-Term Debt at December 31, 20202022 and 20192021 consisted of the following (in thousands)millions):
20202019 20222021
4.40% Senior Notes due 2020$$500,000 
2.45% Senior Notes due 2020500,000 
4.100% Senior Notes due 2021750,000 750,000 
2.625% Senior Notes due 20232.625% Senior Notes due 20231,250,000 1,250,000 2.625% Senior Notes due 2023$1,250 $1,250 
3.15% Senior Notes due 20253.15% Senior Notes due 2025500,000 500,000 3.15% Senior Notes due 2025500 500 
4.15% Senior Notes due 20264.15% Senior Notes due 2026750,000 750,000 4.15% Senior Notes due 2026750 750 
6.65% Senior Notes due 20286.65% Senior Notes due 2028140,000 140,000 6.65% Senior Notes due 2028140 140 
4.375% Senior Notes due 20304.375% Senior Notes due 2030750,000 4.375% Senior Notes due 2030750 750 
3.90% Senior Notes due 20353.90% Senior Notes due 2035500,000 500,000 3.90% Senior Notes due 2035500 500 
5.10% Senior Notes due 20365.10% Senior Notes due 2036250,000 250,000 5.10% Senior Notes due 2036250 250 
4.950% Senior Notes due 20504.950% Senior Notes due 2050750,000 4.950% Senior Notes due 2050750 750 
Long-Term DebtLong-Term Debt5,640,000 5,140,000 Long-Term Debt4,890 4,890 
Finance Leases (see Note 18)Finance Leases (see Note 18)212,217 57,900 Finance Leases (see Note 18)215 250 
Less: Current Portion of Long-Term DebtLess: Current Portion of Long-Term Debt781,054 1,014,524 Less: Current Portion of Long-Term Debt1,283 37 
Unamortized Debt DiscountUnamortized Debt Discount30,931 19,528 Unamortized Debt Discount23 27 
Debt Issuance CostsDebt Issuance Costs4,881 2,929 Debt Issuance Costs
Total Long-Term DebtTotal Long-Term Debt$5,035,351 $4,160,919 Total Long-Term Debt$3,795 $5,072 


F-12


The senior notes in the table above are senior, unsecured obligations that rank equally in right of payment with all of our other unsecured and unsubordinated outstanding debt. At December 31, 2020,2022, the aggregate annual maturities of current and long-term debt (excluding finance lease obligations) were $750 million in 2021, zero in 2022, $1.25 billion in 2023, 0zero in 2024, and $500 million in 2025. 2025, $750 million in 2026 and zero in 2027.

At December 31, 20202022 and 2019,2021, EOG had 0no outstanding commercial paper borrowings and did not utilize any commercial paper borrowings during 2020 and 2019.2022 or 2021.

On February 1, 2021, EOG repaid upon maturity the $750 million aggregate principal amount of its 4.100% Senior Notes due 2021.

On June 1, 2020, EOG repaid upon maturity the $500 million aggregate principal amount of its 4.40% Senior Notes due 2020.

On April 14, 2020, EOG closed on its offering of $750 million aggregate principal amount of its 4.375% Senior Notes due 2030 and $750 million aggregate principal amount of its 4.950% Senior Notes due 2050 (together, the Notes). Interest on the Notes is payable semi-annually in arrears on April 15 and October 15 of each year, beginning on October 15, 2020. EOG received net proceeds of $1.48 billion from the issuance of the Notes, which were used to repay the 4.40% Senior Notes due 2020 when they matured on June 1, 2020 (see below), and for general corporate purposes, including the funding of capital expenditures.

On April 1, 2020, EOG repaid upon maturity the $500 million aggregate principal amount of its 2.45% Senior Notes due 2020.

On June 27, 2019, EOG entered intocurrently has a new $2.0 billion senior unsecured Revolving Credit Agreement (the Agreement) with domestic and foreign lenders (Banks). The Agreement replaced EOG's $2.0 billion senior unsecured Revolving Credit Agreement, dated as of July 21, 2015, with domestic and foreign lenders, which had a scheduled maturity date of July 21, 2020 and which was terminated by EOG (without penalty), effective as of June 27, 2019, in connection with the execution of the Agreement.

F-15


The Agreement has a scheduled maturity date of June 27, 2024, and includes an option for EOG to extend, on up to two occasions, the term for successive one-year periods subject to certain terms and conditions. The Agreement (i) commits the Banks to provide advances up to an aggregate principal amount of $2.0 billion at any one time outstanding, with an option for EOG to request increases in the aggregate commitments to an amount not to exceed $3.0 billion, subject to certain terms and conditions, and (ii) includes a swingline subfacility and a letter of credit subfacility. Advances under the Agreement will accrue interest based, at EOG's option, on either the LIBOR plus an applicable margin (Eurodollar rate) or the base rate (as defined in the Agreement) plus an applicable margin. The Agreement contains representations, warranties, covenants and events of default that EOG believes are customary for investment-grade, senior unsecured commercial bank credit agreements, including a financial covenant for the maintenance of a ratio of total debt-to-capitalization (as such terms are defined in the Agreement) of no greater than 65%. At December 31, 2020,2022, EOG was in compliance with this financial covenant. At December 31, 20202022 and December 31, 2019,2021, there were 0no borrowings or letters of credit outstanding under the Agreement. The Eurodollar rate and base rate (inclusive of the applicable margin), had there been any amounts borrowed under the Agreement at December 31, 2020,2022, would have been 1.04%5.29% and 3.25%7.50%, respectively.

On June 3, 2019, EOG repaid upon maturity the $900 million aggregate principal amount of its 5.625% Senior Notes due 2019.

3.  Stockholders' Equity

Common Stock.  In September 2001, EOG's Board of Directors (Board) authorized the purchaserepurchase of an aggregate maximum of 10 million shares of Common Stockcommon stock that superseded all previous authorizations.  At December 31, 2020, 6,386,200authorizations (September 2001 Authorization). EOG last repurchased shares under the September 2001 Authorization in March 2003.  Effective November 4, 2021, the Board (i) established a new share repurchase authorization to allow for the repurchase by EOG of up to $5 billion of common stock (November 2021 Authorization) and (ii) revoked and terminated the September 2001 Authorization. EOG has not repurchased any shares under the November 2021 Authorization and, accordingly, $5 billion remained available for purchase under this authorization.  EOG last purchased sharesthe November 2021 Authorization as of its Common Stock under this authorization in March 2003.  In addition, sharesDecember 31, 2022.

Shares of Common Stockcommon stock are from time to time withheld by, or returned to, EOG in satisfaction of tax withholding obligations arising upon the exercise of employee stock options or stock-settled stock appreciation rights (SARs), the vesting of restricted stock, restricted stock unit or performance unit grants or in payment of the exercise price of employee stock options. Such shares withheld or returned doprior to November 4, 2021 did not count against the Board authorization discussed above.September 2001 Authorization, and such shares withheld or returned on or subsequent to November 4, 2021 have not counted, and will not count, against the November 2021 Authorization. Shares purchased, withheld and returned are held in treasury for, among other purposes, fulfilling any obligations arising under EOG's stock-based compensation plans and any other approved transactions or activities for which such shares of Common Stockcommon stock may be required.

On February 23, 2023, the Board declared a quarterly cash dividend on the common stock of $0.825 per share to be paid on April 28, 2023, to stockholders of record as of April 14, 2023. The Board also declared on such date a special dividend on the common stock of $1.00 per share to be paid on March 30, 2023, to stockholders of record as of March 16, 2023.

On November 3, 2022, the Board (i) increased the quarterly cash dividend on the common stock from the previous $0.75 per share to $0.825 per share, effective beginning with the dividend paid on January 31, 2023, to stockholders of record as of January 17, 2023 and (ii) declared a special cash dividend on the common stock of $1.50 per share, paid on December 30, 2022, to stockholders of record as of December 15, 2022.

On September 29, 2022, the Board declared a quarterly cash dividend on the common stock of $0.75 per share paid on October 31, 2022, to stockholders of record as of October 17, 2022.

On August 4, 2022, the Board declared a special cash dividend on the common stock of $1.50 per share paid on September 29, 2022, to stockholders of record as of September 15, 2022.
F-13



On May 5, 2022, the Board declared a quarterly cash dividend on the common stock of $0.75 per share paid on July 29, 2022, to stockholders of record as of July 15, 2022.The Board also declared on such date a special dividend on the common stock of $1.80 per share paid on June 30, 2022, to stockholders of record as of June 15, 2022.

On February 24, 2022, the Board declared a quarterly cash dividend on the common stock of $0.75 per share paid on April 29, 2022, to stockholders of record as of April 15, 2022.The Board also declared on such date a special dividend on the common stock of $1.00 per share paid on March 29, 2022, to stockholders of record as of March 15, 2022.

On November 4, 2021, the Board (i) increased the quarterly cash dividend on the common stock from the previous $0.4125 per share to $0.75 per share, effective beginning with the dividend paid on January 28, 2022, to stockholders of record as of January 14, 2022, and (ii) declared a special cash dividend on the common stock of $2.00 per share, paid on December 30, 2021, to stockholders of record as of December 15, 2021.

On May 6, 2021, the Board declared a special cash dividend on the common stock of $1.00 per share. The special cash dividend was paid on July 30, 2021, to stockholders of record as of July 16, 2021 (and was in addition to the quarterly cash dividend on the common stock of $0.4125 per share also paid on July 30, 2021, to stockholders of record as of July 16, 2021).

On February 25, 2021, the Board increased the quarterly cash dividend on the common stock from the previous $0.375 per share to $0.4125 per share, effective beginning with the dividend to be paid on April 30, 2021, to stockholders of record as of April 16, 2021.

On February 27, 2020, the Board increased the quarterly cash dividend on the common stock from the previous $0.2875 per share to $0.375 per share, effective beginning with the dividend to be paid on April 30, 2020, to stockholders of record as of April 16, 2020.

On May 2, 2019, the Board increased the quarterly cash dividend on the common stock from the previous $0.22 per share to $0.2875 per share, effective beginning with the dividend paid on July 31, 2019, to stockholders of record as of July 17, 2019.

On August 2, 2018, the Board increased the quarterly cash dividend on the common stock from the previous $0.1850 per share to $0.22 per share, effective beginning with the dividend paid on October 31, 2018, to stockholders of record as of October 17, 2018. On February 27, 2018, the Board increased the quarterly cash dividend on the common stock from the previous $0.1675 per share to $0.1850 per share, effective beginning with the dividend paid on April 30, 2018, to stockholders of record as of April 16, 2018.

F-16


The following summarizes Common Stock activity for each of the years ended December 31, 2018, 20192022, 2021 and 2020 (in thousands):
Common Shares Common Shares
IssuedTreasuryOutstanding IssuedTreasuryOutstanding
Balance at December 31, 2017578,828 (351)578,477 
Common Stock Issued Under Stock-Based Compensation Plans1,580 1,580 
Treasury Stock Purchased (1)
(539)(539)
Common Stock Issued Under Employee Stock Purchase Plan180 180 
Treasury Stock Issued Under Stock-Based Compensation Plans325 325 
Balance at December 31, 2018580,408 (385)580,023 
Common Stock Issued Under Stock-Based Compensation Plans1,688 1,688 
Treasury Stock Purchased (1)
(310)(310)
Common Stock Issued Under Employee Stock Purchase Plan117 106 223 
Treasury Stock Issued Under Stock-Based Compensation Plans290 290 
Balance at December 31, 2019Balance at December 31, 2019582,213 (299)581,914 Balance at December 31, 2019582,213 (299)581,914 
Common Stock Issued Under Stock-Based Compensation PlansCommon Stock Issued Under Stock-Based Compensation Plans1,482 1,482 Common Stock Issued Under Stock-Based Compensation Plans1,482 — 1,482 
Treasury Stock Purchased (1)
Treasury Stock Purchased (1)
(389)(389)
Treasury Stock Purchased (1)
— (389)(389)
Common Stock Issued Under Employee Stock Purchase PlanCommon Stock Issued Under Employee Stock Purchase Plan377 377 Common Stock Issued Under Employee Stock Purchase Plan— 377 377 
Treasury Stock Issued Under Stock-Based Compensation PlansTreasury Stock Issued Under Stock-Based Compensation Plans187 187 Treasury Stock Issued Under Stock-Based Compensation Plans— 187 187 
Balance at December 31, 2020Balance at December 31, 2020583,695 (124)583,571 Balance at December 31, 2020583,695 (124)583,571 
Common Stock Issued Under Stock-Based Compensation PlansCommon Stock Issued Under Stock-Based Compensation Plans1,511 — 1,511 
Treasury Stock Purchased (1)
Treasury Stock Purchased (1)
— (504)(504)
Common Stock Issued Under Employee Stock Purchase PlanCommon Stock Issued Under Employee Stock Purchase Plan316 — 316 
Treasury Stock Issued Under Stock-Based Compensation PlansTreasury Stock Issued Under Stock-Based Compensation Plans— 371 371 
Balance at December 31, 2021Balance at December 31, 2021585,522 (257)585,265 
Common Stock Issued Under Stock-Based Compensation PlansCommon Stock Issued Under Stock-Based Compensation Plans2,674 — 2,674 
Treasury Stock Purchased (1)
Treasury Stock Purchased (1)
— (997)(997)
Common Stock Issued Under Employee Stock Purchase PlanCommon Stock Issued Under Employee Stock Purchase Plan201 — 201 
Treasury Stock Issued Under Stock-Based Compensation PlansTreasury Stock Issued Under Stock-Based Compensation Plans— 554 554 
Balance at December 31, 2022Balance at December 31, 2022588,397 (700)587,697 
(1)    Represents shares that were withheld by or returned to EOG (i) in satisfaction of tax withholding obligations that arose upon the exercise of employee stock options or SARs or the vesting of restricted stock, restricted stock unit or performance unit grants or (ii) in payment of the exercise price of employee stock options.

F-14


Preferred Stock.  EOG currently has one authorized series of preferred stock.  As of December 31, 2020,2022, there were 0no shares of preferred stock outstanding.

F-17


4.  Accumulated Other Comprehensive LossIncome (Loss)

Accumulated other comprehensive lossincome (loss) includes certain transactions that have generally been reported in the Consolidated Statements of Stockholders' Equity. The components of Accumulated Other Comprehensive Loss at December 31, 20202022 and 20192021 consisted of the following (in thousands)millions):
Foreign Currency Translation AdjustmentOtherTotalForeign Currency Translation AdjustmentOtherTotal
December 31, 2018$174 $(1,532)$(1,358)
Cumulative effect of accounting changes267 267 
Other comprehensive loss before taxes(2,883)(533)(3,416)
December 31, 2020December 31, 2020$(10)$(2)$(12)
Other comprehensive income (loss) before taxesOther comprehensive income (loss) before taxes(1)— 
Tax effectsTax effects(145)(145)Tax effects— — — 
Other comprehensive lossOther comprehensive loss(2,883)(678)(3,561)Other comprehensive loss(1)— 
December 31, 2019(2,709)(1,943)(4,652)
Other comprehensive loss before taxes(7,346)(183)(7,529)
December 31, 2021December 31, 2021(11)(1)(12)
Other comprehensive income (loss) before taxesOther comprehensive income (loss) before taxes— 
Tax effectsTax effects(147)(147)Tax effects— — — 
Other comprehensive loss(7,346)(330)(7,676)
December 31, 2020$(10,055)$(2,273)$(12,328)
Other comprehensive income (loss)Other comprehensive income (loss)— 
December 31, 2022December 31, 2022$(7)$(1)$(8)

    NaNNo significant amount was reclassified out of Accumulated Other Comprehensive LossIncome (Loss) during the years ended December 31, 2020, 20192022, 2021 and 2018.2020.

5.  Other Income, Net

Other income, net for 2022 included interest income ($85 million) and equity income from investments in ammonia plants in Trinidad ($46 million), partially offset by an upward adjustment to deferred compensation expense ($15 million). Other income, net for 2021 included equity income from investments in ammonia plants in Trinidad ($18 million) and interest income ($3 million), partially offset by an upward adjustment to deferred compensation expense ($13 million). Other income, net for 2020 included interest income ($12 million), partially offset by equity losses from investments in ammonia plants in Trinidad ($2 million). Other income, net for 2019 included interest income ($26 million) and net foreign currency transaction gains ($2 million). Other income, net for 2018 included interest income ($12 million), a downward adjustment to deferred compensation expense ($6 million) and equity income from investments in ammonia plants in Trinidad ($2 million), partially offset by net foreign currency transaction losses ($7 million).

F-18F-15


6.  Income Taxes

The principal components of EOG's total net deferred income tax liabilities at December 31, 20202022 and 20192021 were as follows (in thousands)millions):
20202019 20222021
Deferred Income Tax Assets (Liabilities)Deferred Income Tax Assets (Liabilities)  Deferred Income Tax Assets (Liabilities)  
Foreign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and AmortizationForeign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and Amortization$25,129 $5,825 Foreign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and Amortization$(18)$(19)
Foreign Asset Retirement ObligationsForeign Asset Retirement Obligations81 51 
Foreign Accrued Expenses and LiabilitiesForeign Accrued Expenses and Liabilities13 15 
Foreign Net Operating LossForeign Net Operating Loss74,280 66,675 Foreign Net Operating Loss82 80 
Foreign Valuation AllowancesForeign Valuation Allowances(97,499)(70,455)Foreign Valuation Allowances(116)(111)
Foreign OtherForeign Other217 318 Foreign Other(9)(5)
Total Net Deferred Income Tax AssetsTotal Net Deferred Income Tax Assets$2,127 $2,363 Total Net Deferred Income Tax Assets$33 $11 
Deferred Income Tax (Assets) LiabilitiesDeferred Income Tax (Assets) Liabilities  Deferred Income Tax (Assets) Liabilities  
Oil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and AmortizationOil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and Amortization$5,028,010 $5,277,550 Oil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and Amortization$5,291 $5,063 
Commodity Hedging Contracts14,518 (4,699)
Financial Commodity Derivative ContractsFinancial Commodity Derivative Contracts(421)(97)
Deferred Compensation PlansDeferred Compensation Plans(42,594)(47,650)Deferred Compensation Plans(58)(57)
Accrued Expenses and Liabilities(8,502)
Equity AwardsEquity Awards(102,944)(108,324)Equity Awards(60)(86)
Alternative Minimum Tax Credit Carryforward(31,904)
Undistributed Foreign Earnings9,843 15,746 
OtherOther(47,506)(46,116)Other(42)(74)
Total Net Deferred Income Tax LiabilitiesTotal Net Deferred Income Tax Liabilities$4,859,327 $5,046,101 Total Net Deferred Income Tax Liabilities$4,710 $4,749 
Total Net Deferred Income Tax LiabilitiesTotal Net Deferred Income Tax Liabilities$4,857,200 $5,043,738 Total Net Deferred Income Tax Liabilities$4,677 $4,738 


The components of Income (Loss) Before Income Taxes for the years indicated below were as follows (in thousands)millions):
202020192018 202220212020
United StatesUnited States$(756,479)$3,466,578 $4,084,156 United States$9,752 $5,787 $(756)
ForeignForeign17,425 78,689 156,842 Foreign149 146 17 
TotalTotal$(739,054)$3,545,267 $4,240,998 Total$9,901 $5,933 $(739)

F-19F-16


The principal components of EOG's Income Tax Provision (Benefit) for the years indicated below were as follows (in thousands)millions):
202020192018 202220212020
Current:Current:Current:
FederalFederal$(107,834)$(152,258)$(303,853)Federal$2,020 $1,203 $(108)
StateState6,790 10,819 17,048 State126 85 
ForeignForeign40,248 81,426 65,615 Foreign62 105 40 
TotalTotal(60,796)(60,013)(221,190)Total2,208 1,393 (61)
Deferred:Deferred:   Deferred:   
FederalFederal(153,027)626,901 862,075 Federal(2)(41)(153)
StateState(15,400)32,541 43,293 State(37)(62)(15)
ForeignForeign(17,963)(27,784)(11,212)Foreign(22)(19)(18)
TotalTotal(186,390)631,658 894,156 Total(61)(122)(186)
Other Non-Current: (1)
Other Non-Current: (1)
Other Non-Current: (1)
FederalFederal112,704 245,125 148,992 Federal— — 113 
ForeignForeign(6,413)Foreign(5)(2)— 
TotalTotal112,704 238,712 148,992 Total(5)(2)113 
Income Tax Provision (Benefit)Income Tax Provision (Benefit)$(134,482)$810,357 $821,958 Income Tax Provision (Benefit)$2,142 $1,269 $(134)
(1)    Includes changes in certain amounts that are expected to be paid or received beyond the next twelve months. The primary component in 2020 is refundable alternative minimum tax (AMT) credits.

The differences between taxes computed at the U.S. federal statutory tax rate and EOG's effective rate for the years indicated below were as follows:
 202020192018
Statutory Federal Income Tax Rate21.00 %21.00 %21.00 %
State Income Tax, Net of Federal Benefit0.92 0.97 1.12 
Income Tax Provision Related to Foreign Operations(0.09)0.87 0.51 
Income Tax Provision Related to Canadian Operations(2.43)
TCJA (1)
(2.60)(2)
Share-Based Compensation(2.94)0.02 (0.47)
Other1.74 (0.18)
Effective Income Tax Rate18.20 %22.86 %19.38 %
(1)    The Tax Cuts and Jobs Act (TCJA) was enacted in 2017 and required certain measurement-period adjustments in 2018.
(2)    Includes impact of utilizing certain tax net operating losses (NOLs) ((1.2)%), the reversal of the federal sequestration charge ((1.0)%) and other TCJA impacts ((0.4)%).

The net effective tax rate of 18% in 2020 was lower than the prior year rate of 23% primarily due to taxes attributable to EOG's foreign operations and increased stock-based compensation tax deficiencies.
 202220212020
Statutory Federal Income Tax Rate21.0 %21.0 %21.0 %
State Income Tax, Net of Federal Benefit0.7 0.3 0.9 
Income Tax Provision Related to Foreign Operations— 0.9 (0.1)
Income Tax Provision Related to Canadian Operations— — (2.4)
Stock-Based Compensation— 0.2 (2.9)
Other— (1.0)1.7 
Effective Income Tax Rate21.7 %21.4 %18.2 %

Deferred tax assets are recorded for future deductible amounts and certain other tax benefits, includingsuch as tax NOLsnet operating losses (NOLs) and tax credit carryforwards, provided that management assesses the utilization of such assets to be "more likely than not." Management assesses the available positive and negative evidence to estimate if sufficient future taxable income will be generated to use the existing deferred tax assets. On the basis of this evaluation, EOG has recorded valuation allowances for the portion of certain foreign and state deferred tax assets that management does not believe are more likely than not to be realized.

F-20F-17


The principal components of EOG's rollforward of valuation allowances for deferred income tax assets for the years indicated below were as follows (in thousands)millions):
202020192018 202220212020
Beginning BalanceBeginning Balance$200,831 $167,142 $466,421 Beginning Balance$219 $219 $201 
Increase (1)
Increase (1)
25,573 30,673 23,062 
Increase (1)
27 15 25 
Decrease (2)
Decrease (2)
(11,343)(75)(26,219)
Decrease (2)
(33)(14)(11)
Other (3)
Other (3)
3,942 3,091 (296,122)
Other (3)
(6)(1)
Ending BalanceEnding Balance$219,003 $200,831 $167,142 Ending Balance$207 $219 $219 
(1)    Increase in valuation allowance related to the generation of tax NOLs and other deferred tax assets.
(2)    Decrease in valuation allowance associated with adjustments to certain deferred tax assets and their related allowances.
(3)    Represents dispositions, revisions and/or foreign exchange rate variances and the effect of statutory income tax rate changes. The United Kingdom operations were sold in the fourth quarter of 2018.

As of December 31, 2020,2022, EOG had state income tax NOLs of approximately $1.9 billion, which, if unused,$2.2 billion. Certain state NOLs have an indefinite carryforward and all others expire between 20212023 and 2039.2040. EOG also has Canadian NOLs of $275$300 million, some of which can be carried forward up to 20 years. As described above,previously, these NOLs and other less significant tax benefits have been evaluated for the likelihood of utilization, and valuation allowances have been established for the portion of these deferred income tax assets that do not meet the “more"more likely than not”not" threshold.

The total balanceAs of December 31, 2022, EOG did not have material amounts of unrecognized tax benefits for all jurisdictions at December 31, 2020, was $10 million, resulting from the tax treatment of certain compensation deductions, of which the full amount may potentiallybenefits. Additionally, no interest or penalties have an earnings impact. During the fourth quarter of 2020, EOG settled uncertain tax positions resulting from its tax treatment of research and experiential expenditures related to certain innovations in its horizontal drilling and completion operations for taxable years 2016 and 2017. Consequently, the balance of uncertain tax positions and earnings for the period decreased $29 million and $5 million, respectively. EOG records interest and penalties related to unrecognized tax benefits to its income tax provision. NaN interest expense has been recognized in the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) related to the remaining. EOG does not expect its unrecognized tax benefits as these positions will be claimed on amended returns or as self-proposed audit adjustments, which, if sustained, will resultto change significantly in refunds. EOG does not anticipate that the amount of the unrecognized tax benefits will change materially during the next twelve months.EOG and its subsidiaries file income tax returns and are subject to tax audits in the U.S. and various state, local and foreign jurisdictions.EOG's earliest open tax years in its principal jurisdictions are as follows: U.S. federal (2016)(2019), Canada (2016)(2018), Trinidad (2013)(2015), Oman (2020) and China (2010)Australia (2021).

EOG's foreign subsidiaries' undistributed earnings are not considered to be permanently reinvested outside of the U.S. Accordingly, EOG may be required to accrue certain U.S. federal, state, and foreign deferred income taxes on these undistributed earnings as well ashave been accrued on any othersuch outside basis differences related to its investments in these subsidiaries. As of December 31, 2020, EOG has cumulatively recorded $10 million of deferred foreign income taxes for withholdings on its undistributed foreign earnings.differences. Additionally, EOG'sEOG’s foreign earnings may be subject to the U.S. federal "global intangible low-taxed income" (GILTI) inclusion. EOG records any GILTI tax as a period expense.

On August 16, 2022, the U.S. President signed into law the Inflation Reduction Act of 2022, which contains, among other provisions, certain tax provisions as well as a variety of climate and energy incentives. While there was no immediate income tax impact upon enactment, in the future, EOG may become subject to the new corporate alternative minimum tax or other provisions, such as the excise tax on stock buybacks. Additionally, as part of EOG's strategy to reduce GHG emissions, EOG may become eligible for certain new or enhanced income tax credits attributable to these efforts.

7.  Employee Benefit Plans

Stock-Based Compensation

During 2020,2022, EOG maintained various stock-based compensation plans as discussed below.  EOG recognizes compensation expense on grants of stock options, SARs, restricted stock, and restricted stock units and performance units and grants made under the EOG Resources, Inc. Employee Stock Purchase Plan (ESPP).  Stock-based compensation expense is calculated based upon the grant date estimated fair value of the awards, net of forfeitures, based upon EOG's historical employee turnover rate.  Compensation expense is amortized over the shorter of the vesting period or the period from date of grant until the date the employee becomes eligible to retire without company approval.

F-21F-18


Stock-based compensation expense is included on the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) based upon the job functions of the employees receiving the grants.  Compensation expense related to EOG's stock-based compensation plans for the years ended December 31, 2020, 20192022, 2021 and 20182020 was as follows (in millions):
202020192018 202220212020
Lease and WellLease and Well$52 $56 $51 Lease and Well$40 $49 $52 
Gathering and Processing CostsGathering and Processing CostsGathering and Processing Costs
Exploration CostsExploration Costs21 26 25 Exploration Costs15 20 21 
General and AdministrativeGeneral and Administrative72 92 78 General and Administrative74 80 72 
TotalTotal$146 $175 $155 Total$133 $152 $146 

The Amended and Restated EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (2008 Plan) providesprovided for grants of stock options, SARs, restricted stock and restricted stock units, performance units, and other stock-based awards. 

EOG's stockholders approved the EOG Resources, Inc. 2021 Omnibus Equity Compensation Plan (2021 Plan) at the 2021 Annual Meeting of Stockholders. Therefore, no further grants were made from the 2008 Plan from and after the April 29, 2021 effective date of the 2021 Plan. The 2021 Plan provides for grants of stock options, SARs, restricted stock and restricted stock units, restricted stock units with performance-based conditions (together with the performance units granted under the 2008 Plan, Performance Units) and other stock-based awards, up to an aggregate maximum of 20 million shares of common stock, plus any shares that were subject to outstanding awards under the 2008 Plan as of April 29, 2021, that are subsequently canceled or forfeited, expire or are otherwise not issued or are settled in cash. Under the 2021 Plan, grants may be made to employees and non-employee members of EOG's Board of Directors (Board).

The vesting schedules for grants of stock options, SARs, restricted stock and restricted stock units, and performance unitsPerformance Units are generally as follows:
Grant TypeVesting Schedule
Stock Options/SARsVesting in increments of one-third on each of the first three anniversaries, respectively, of the date of grant
Restricted Stock/Restricted Stock Units"Cliff" vesting three years from the date of grant
Performance Units
"Cliff" vesting on the February 28th following the three-yearthree-year performance period and the Compensation and Human Resources Committee's certification of the applicable performance multiple

At December 31, 2020,2022, approximately 2.016 million common shares remained available for grant under the 20082021 Plan.  EOG's policy is to issue shares related to the 20082021 Plan from previously authorized unissued shares or treasury shares to the extent treasury shares are available.

During 2020, 20192022, 2021 and 2018,2020, EOG issued shares in connection with stock option/SAR exercises, restricted stock grants, restricted stock unit and performance unitPerformance Unit releases and ESPP purchases.  NetExcess net tax deficiencies and excess tax benefits / (deficiencies) recognized within the income tax provision were $(22)$22 million, $(1)$(11) million and $20$(22) million for the years ended December 31, 2020, 20192022, 2021 and 2018,2020, respectively.


F-19


Stock Options and Stock-Settled Stock Appreciation Rights and Employee Stock Purchase Plan. Participants in EOG's stock-based compensation plans (including the 2008 Plan and 2021 Plan) have been or may be granted options to purchase shares of Common Stock.  In addition, participants in EOG's stockstock-based compensation plans (including the 2008 Plan and 2021 Plan) have been or may be granted SARs, representing the right to receive shares of Common Stock based on the appreciation in the stock price from the date of grant on the number of SARs granted.  Stock options and SARs are granted at a price not less than the market price of the Common Stock on the date of grant.  Terms for stock options and SARs granted have generally not exceeded a maximum term of seven years.  EOG's ESPP allows eligible employees to semi-annually purchase, through payroll deductions, shares of Common Stock at 85 percent of the fair market value at specified dates.  Contributions to the ESPP are limited to 10 percent of the employee's pay (subject to certain ESPP limits) during each of the two six-month offering periods each year.


F-22


The fair value of stock option grants and SAR grants is estimated using the Hull-White II binomial option pricing model.  The fair value of ESPP grants is estimated using the Black-Scholes-Merton model.  Stock-based compensation expense related to stock option, SAR and ESPP grants totaled $62$34 million, $63$48 million and $60$62 million for the years ended December 31, 2020, 20192022, 2021 and 2018,2020, respectively.

Weighted average fair values and valuation assumptions used to value stock option, SAR and ESPP grants for the years ended December 31, 2020, 20192022, 2021 and 20182020 were as follows:
Stock Options/SARsESPP Stock Options/SARsESPP
202020192018202020192018 202220212020202220212020
Weighted Average Fair Value of GrantsWeighted Average Fair Value of Grants$11.06 $19.49 $33.46 $19.14 $22.83 $25.75 Weighted Average Fair Value of Grants$28.30 $24.92 $11.06 $26.62 $18.12 $19.14 
Expected VolatilityExpected Volatility44.47 %32.02 %28.23 %53.48 %34.78 %24.59 %Expected Volatility42.20 %42.24 %44.47 %43.00 %51.27 %53.48 %
Risk-Free Interest RateRisk-Free Interest Rate0.21 %1.69 %2.68 %0.90 %2.27 %1.89 %Risk-Free Interest Rate0.89 %0.50 %0.21 %1.30 %0.07 %0.90 %
Dividend YieldDividend Yield3.27 %1.39 %0.72 %2.27 %1.04 %0.64 %Dividend Yield3.28 %2.26 %3.27 %2.89 %2.89 %2.27 %
Expected LifeExpected Life5.2 years5.1 years5.0 years0.5 years0.5 years0.5 yearsExpected Life5.3 years5.2 years5.2 years0.5 years0.5 years0.5 years

Expected volatility is based on an equal weighting of historical volatility and implied volatility from traded options in EOG's Common Stock.  The risk-free interest rate is based upon United States Treasury yields in effect at the time of grant.  The expected life is based upon historical experience and contractual terms of stock option, SAR and ESPP grants.

The following table sets forth the stock option and SAR transactions for the years ended December 31, 2020, 20192022, 2021 and 20182020 (stock options and SARs in thousands):
202020192018 202220212020
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Number
of Stock
Options/
SARs
Weighted
Average
Grant
Price
Outstanding at January 1Outstanding at January 19,395 $94.53 8,310 $96.90 9,103 $83.89 Outstanding at January 19,969 $84.37 10,186 $84.08 9,395 $94.53 
GrantedGranted1,996 37.63 1,965 75.39 1,906 126.49 Granted97.64 1,982 81.68 1,996 37.63 
Exercised (1)
Exercised (1)
(23)69.59 (606)61.43 (2,493)72.21 
Exercised (1)
(5,526)89.70 (1,130)63.98 (23)69.59 
ForfeitedForfeited(1,182)88.93 (274)102.57 (206)94.43 Forfeited(220)82.74 (1,069)98.15 (1,182)88.93 
Outstanding at December 31Outstanding at December 3110,186 84.08 9,395 94.53 8,310 96.90 Outstanding at December 314,225 77.49 9,969 84.37 10,186 84.08 
Stock Options/SARs Exercisable at December 31Stock Options/SARs Exercisable at December 316,343 96.41 5,275 94.21 3,969 85.82 Stock Options/SARs Exercisable at December 312,462 84.53 6,197 95.33 6,343 96.41 
(1)The total intrinsic value of stock options/SARs exercised during the years 2022, 2021 and 2020 2019 and 2018 was $0.4$190 million, $14$27 million and $118$0.4 million, respectively.  The intrinsic value is based upon the difference between the market price of the Common Stock on the date of exercise and the grant price of the stock options/SARs.

At December 31, 2020,2022, there were 9.94.1 million stock options/SARs vested or expected to vest with a weighted average grant price of $84.76$77.85 per share, an intrinsic value of $22.5$211 million and a weighted average remaining contractual life of 4.24.1 years.

F-23F-20



The following table summarizes certain information for the stock options and SARs outstanding and exercisable at December 31, 20202022 (stock options and SARs in thousands):
Stock Options/SARs OutstandingStock Options/SARs Exercisable
Range of
Grant
Prices
Stock
Options/
SARs
Weighted
Average
Remaining
Life
(Years)
Weighted
Average
Grant
Price
 
 
Aggregate
Intrinsic
Value(1)
Stock
Options/
SARs
Weighted
Average
Remaining
Life
(Years)
Weighted
Average
Grant
Price
 
 
Aggregate
Intrinsic
Value (1)
$ 34.00 to $  43.991,974 7$37.43  10 1$37.44   
44.00 to     74.99872 269.37  846 269.47   
   75.00 to     75.991,863 675.09  636 575.09   
   76.00 to     95.991,242 394.47  1,215 394.63   
   96.00 to   101.992,477 397.95  2,457 397.95   
 102.00 to   129.991,758 5126.44 1,179 5126.37 
 10,186 484.08 $24,578 6,343 396.41 $124 
Stock Options/SARs OutstandingStock Options/SARs Exercisable
Range of
Grant
Prices
Stock
Options/
SARs
Weighted
Average
Remaining
Life
(Years)
Weighted
Average
Grant
Price
 
 
Aggregate
Intrinsic
Value(1)
Stock
Options/
SARs
Weighted
Average
Remaining
Life
(Years)
Weighted
Average
Grant
Price
 
 
Aggregate
Intrinsic
Value (1)
$ 34.00 to $ 52.991,029 4$37.52  466 4$37.51   
53.00 to     80.99593 374.98  584 375.04   
   81.00 to     81.991,513 681.81  331 581.81   
   82.00 to     96.99562 195.62  553 195.75   
   97.00 to   129.99528 3126.51  528 3126.53   
 4,225 477.49 $220 2,462 384.53 $111 
(1)Based upon the difference between the closing market price of the Common Stock on the last trading day of the year and the grant price of in-the-money stock options and SARs, in thousands.millions.

At December 31, 2020,2022, unrecognized compensation expense related to non-vested stock option and SAR grants totaled $53$31 million.  This unrecognized expense will be amortized on a straight-line basis over a weighted average period of 2.11.4 years.

At the 2018 Annual Meeting of Stockholders, EOG stockholders approved an amendment and restatement of the ESPP to (among other changes) increase the number of shares available for grant. At December 31, 2020,2022, approximately 1.91.4 million shares of Common Stock remained available for grant under the ESPP.  The following table summarizes ESPP activity for the years ended December 31, 2020, 20192022, 2021 and 20182020 (in thousands, except number of participants):
202020192018 202220212020
Approximate Number of ParticipantsApproximate Number of Participants2,063 1,998 1,934 Approximate Number of Participants1,969 2,036 2,063 
Shares PurchasedShares Purchased377 224 180 Shares Purchased201 316 377 
Aggregate Purchase PriceAggregate Purchase Price$16,103 $16,533 $14,887 Aggregate Purchase Price$17,250 $17,224 $16,103 

Restricted Stock and Restricted Stock Units. Employees may be granted restricted (non-vested) stock and/or restricted stock units without cost to them.  Upon vesting of restricted stock, shares of Common Stock are released to the employee.  Upon vesting, restricted stock units are converted into shares of Common Stock and released to the employee.  Stock-based compensation expense related to restricted stock and restricted stock units totaled $75$88 million, $97$89 million and $81$75 million for the years ended December 31, 2020, 20192022, 2021 and 2018,2020, respectively.

F-24F-21


The following table sets forth the restricted stock and restricted stock unit transactions for the years ended December 31, 2020, 20192022, 2021 and 20182020 (shares and units in thousands):
202020192018 202220212020
Number of Shares and UnitsWeighted Average Grant Date Fair ValueNumber of Shares and UnitsWeighted Average Grant Date Fair ValueNumber of Shares and UnitsWeighted Average Grant Date Fair Value Number of Shares and UnitsWeighted Average Grant Date Fair ValueNumber of Shares and UnitsWeighted Average Grant Date Fair ValueNumber of Shares and UnitsWeighted Average Grant Date Fair Value
Outstanding at January 1Outstanding at January 14,546 $90.16 3,792 $96.64 3,905 $88.57 Outstanding at January 14,680 $69.37 4,742 $74.97 4,546 $90.16 
GrantedGranted1,488 38.10 1,749 80.01 812 117.55 Granted1,637 113.21 1,422 81.50 1,488 38.10 
Released (1)
Released (1)
(1,213)85.92 (855)96.93 (740)78.16 
Released (1)
(2,019)81.76 (1,388)101.00 (1,213)85.92 
ForfeitedForfeited(79)86.52 (140)97.54 (185)92.12 Forfeited(185)68.89 (96)68.26 (79)86.52 
Outstanding at December 31 (2)
Outstanding at December 31 (2)
4,742 74.97 4,546 90.16 3,792 96.64 
Outstanding at December 31 (2)
4,113 80.77 4,680 69.37 4,742 74.97 
(1)
(1)The total intrinsic value of restricted stock and restricted stock units released during the years ended December 31, 2022, 2021 and 2020 2019 and 2018 was $48$223 million, $70$110 million and $84$48 million, respectively. The intrinsic value is based upon the closing price of EOG's common stock on the date restricted stock and restricted stock units are released.
(2)
(2)The total intrinsic value of restricted stock and restricted stock units outstanding at December 31, 2022, 2021 and 2020 2019 and 2018 was $236$533 million, $381$416 million and $331$236 million, respectively. The intrinsic value is based on the closing market price of the Common Stock on the last trading day of the year.

At December 31, 2020,2022, unrecognized compensation expense related to restricted stock and restricted stock units totaled $178$285 million. Such unrecognized expense will be recognized on a straight-line basis over a weighted average period of 1.61.8 years.

Performance Units. EOG has granted performance units (Performance Awards)Performance Units to its executive officers annually since 2012. AsFor the grants made prior to September 2022, as more fully discussed in the grant agreements, the applicable performance metric applicable to these performance-based grants is EOG's total shareholder return (TSR) over a three-yearthree-year performance period relative to the total shareholder returnTSR over the same period of a designated group of peer companies (Performance Period).companies. Upon the application of the applicable performance multiple at the completion of the Performance Period,three-year performance period, a minimum of 0% and a maximum of 200% of the Performance AwardsUnits granted could be outstanding.

For the grants made beginning in September 2022, as more fully discussed in the grant agreements, the applicable performance metrics are 1) EOG's TSR over a three-year performance period relative to the TSR over the same period of a designated group of peer companies and 2) EOG's average return on capital employed (ROCE) over the three-year performance period. At the end of the three-year performance period, a performance multiple based on EOGs relative TSR ranking will be determined, with a minimum performance multiple of 0% and a maximum performance multiple of 200%. A specified modifier ranging from -70% to +70% will then be applied to the performance multiple based on EOG's average ROCE over the three-year performance period, provided that in no event shall the performance multiple, after applying the ROCE modifier, be less than 0% or exceed 200%. Furthermore, if EOG's TSR over the three-year performance period is negative (i.e., less than 0%), the performance multiple will be capped at 100%, regardless of EOG's relative TSR ranking or three-year average ROCE.

The fair value of the Performance AwardsUnits is estimated using a Monte Carlo simulation. Stock-based compensation expense related to the Performance AwardUnit grants totaled $9$11 million, $15 million and $14$9 million for the years ended December 31, 2022, 2021 and 2020, 2019 and 2018, respectively.

  Weighted average fair values and valuation assumptions used to value Performance AwardsUnits during the years ended December 31, 2020, 20192022, 2021 and 20182020 were as follows:
202020192018 202220212020
Weighted Average Fair Value of GrantsWeighted Average Fair Value of Grants$42.77 $79.98 $136.74 Weighted Average Fair Value of Grants$126.55 $95.16 $42.77 
Expected VolatilityExpected Volatility47.27 %29.20 %29.92 %Expected Volatility56.11 %53.80 %47.27 %
Risk-Free Interest RateRisk-Free Interest Rate0.16 %1.51 %2.85 %Risk-Free Interest Rate4.01 %0.59 %0.16 %

Expected volatility is based on the term-matched historical volatility over the simulated term, which is calculated as the time between the grant date and the end of the Performance Period.performance period. The risk-free interest rate is derived from the Treasury Constant Maturities yield curve on the grant date.

F-25F-22



The following table sets forth the Performance AwardUnit transactions for the years ended December 31, 2020, 20192022, 2021 and 20182020 (units in thousands):
202020192018 202220212020
Number of UnitsWeighted Average Price per Grant DateNumber of UnitsWeighted Average Price per Grant DateNumber of UnitsWeighted Average Price per Grant Date Number of UnitsWeighted Average Grant Date Fair ValueNumber of UnitsWeighted Average Grant Date Fair ValueNumber of UnitsWeighted Average Grant Date Fair Value
Outstanding at January 1Outstanding at January 1598 $92.19 539 $101.53 502 $90.96 Outstanding at January 1679 $84.97 613 $88.38 598 $103.91 
GrantedGranted172 37.44 172 75.09 113 125.73 Granted122 126.55 222 95.16 172 42.77 
Granted for Performance Multiple (1)
Granted for Performance Multiple (1)
66 100.95 72 69.43 72 101.87 
Granted for Performance Multiple (1)
— — 19 113.81 66 119.10 
Released (2)
Released (2)
(223)88.52 (185)94.63 (148)84.43 
Released (2)
(57)136.74 (175)113.06 (223)103.87 
Forfeited
Forfeited for Performance Multiple (3)
Forfeited for Performance Multiple (3)
(56)136.74 — — — — 
Outstanding at December 31 (3)(4)
Outstanding at December 31 (3)(4)
613 (4)79.10 598 92.19 539 101.53 
Outstanding at December 31 (3)(4)
688 (5)83.82 679 84.97 613 88.38 
(1)Upon completion of the Performance Periodperformance period for the Performance AwardsUnits granted in 2016, 20152017 and 2014,2016, a performance multiple of 150%, 200%125% and 200%150%, respectively, was applied to each of the grants resulting in additional grants of Performance AwardsUnits in February 2020, 20192021 and 2018.2020.
(2)The total intrinsic value of Performance AwardsUnits released during the years ended December 31, 2022, 2021 and 2020 2019 and 2018 was $7 million, $13 million $15 million and $18$13 million, respectively. The intrinsic value is based upon the closing price of EOG's common stock on the date Performance AwardsUnits are released.
(3)Upon completion of the performance period for the Performance Units granted in 2018, a performance multiple of 50% was applied to the grants resulting in a forfeiture of Performance Units in February 2022.
(4)The total intrinsic value of Performance AwardsUnits outstanding at December 31, 2022, 2021 and 2020 2019 and 2018 was $31$89 million, $50$60 million and $47$31 million, respectively. The intrinsic value is based on the closing market price of the Common Stock on the last trading day of the year.
(4)(5)Upon the application of the relevant performance multiple at the completion of each of the remaining Performance Periods,performance periods, a minimum of 77zero and a maximum of 1,1491,376 Performance AwardsUnits could be outstanding.

At December 31, 2020,2022, unrecognized compensation expense related to Performance AwardsUnits totaled $5$18 million. Such unrecognized expense will be amortized on a straight-line basis over a weighted average period of 1.91.8 years.

Upon completion of the Performance Periodperformance period for the Performance AwardsUnits granted in September 2017,2019, a performance multiple of 125%50% was applied to the grants resulting in an additional granta forfeiture of 19,62986,076 Performance AwardsUnits in February 2021.2023.

Pension Plans.  EOG has a defined contribution pension plan in place for most of its employees in the United States.  EOG's contributions to the pension plan are based on various percentages of compensation and, in some instances, are based upon the amount of the employees' contributions.  EOG's total costs recognized for the plan were $56 million, $52 million and $46 million $51 millionfor 2022, 2021 and $43 million for 2020, 2019 and 2018, respectively.

In addition, EOG's Trinidadian subsidiary maintains a contributory defined benefit pension plan and a matched savings plan.  These pension plans are available to most employees of the Trinidadian subsidiary. EOG's combined contributions to these plans were $1 million, for each of 2020, 20192022, 2021 and 2018,2020, respectively.

For the Trinidadian defined benefit pension plan, the benefit obligation, fair value of plan assets and (prepaid)/accrued benefit cost totaled $13$14 million, $12$15 million and $0.1$(0.5) million, respectively, at December 31, 2020,2022, and $12$13 million, $10$14 million and $0.1$(0.1) million, respectively, at December 31, 2019.2021.

Postretirement Health Care. EOG has postretirement medical and dental benefits in place for eligible United States and Trinidad employees and their eligible dependents, the costs of which are not material.

F-26


8.  Commitments and Contingencies

Letters of Credit and Guarantees. At December 31, 20202022 and 2019,2021, respectively, EOG had standby letters of credit and guarantees outstanding totaling $854approximately $776 million and $902$831 million, primarily representing guarantees of payment or performance obligations on behalf of subsidiaries. As of February 18, 2021,16, 2023, EOG had received 0no demands for payment under these guarantees.

F-23


Minimum Commitments. At December 31, 2020,2022, total minimum commitments from purchase and service obligations and transportation and storage service commitments not qualifying as leases, based on current transportation and storage rates and the foreign currency exchange rates used to convert Canadian dollars into United States dollars at December 31, 2020,2022, were as follows (in millions):
Total Minimum
Commitments
Total Minimum
Commitments
2021$1,393 
20221,263 
202320231,064 2023$1,362 
20242024790 20241,149 
20252025649 2025984 
2026 and beyond2,764 
20262026791 
20272027642 
2028 and beyond2028 and beyond1,570 
$7,923  $6,498 

Delivery Commitments. EOG sells crude oil and natural gas from its producing operations under a variety of contractual arrangements. At December 31, 2022, EOG was committed to deliver to multiple parties fixed quantities of crude oil of 7 million barrels (MMBbls) in 2023, 7 MMBbls in 2024 and 1 MMBbls in 2025. Additionally at December 31, 2022, EOG was committed to deliver to multiple parties fixed quantities of natural gas of 347 billion cubic feet (Bcf) in 2023, 321 Bcf in 2024, 277 Bcf in 2025, 297 Bcf in 2026, 293 Bcf in 2027 and 3,540 Bcf thereafter. All delivery commitments are expected to be sourced from future production of available reserves.

Contingencies. There are currently various suits and claims pending against EOG that have arisen in the ordinary course of EOG's business, including contract disputes, personal injury and property damage claims and title disputes.  While the ultimate outcome and impact on EOG cannot be predicted, management believes that the resolution of these suits and claims will not, individually or in the aggregate, have a material adverse effect on EOG's consolidated financial position, results of operations or cash flow.  EOG records reserves for contingencies when information available indicates that a loss is probable and the amount of the loss can be reasonably estimated.

9.  Net Income (Loss) Per Share

The following table sets forth the computation of Net Income (Loss) Per Share for the years ended December 31, 2022, 2021 and 2020 2019 and 2018 (in thousands,millions, except per share data):
202020192018 202220212020
Numerator for Basic and Diluted Earnings per Share -Numerator for Basic and Diluted Earnings per Share -Numerator for Basic and Diluted Earnings per Share -
Net Income (Loss)Net Income (Loss)$(604,572)$2,734,910 $3,419,040 Net Income (Loss)$7,759 $4,664 $(605)
Denominator for Basic Earnings per Share -Denominator for Basic Earnings per Share -   Denominator for Basic Earnings per Share -   
Weighted Average SharesWeighted Average Shares578,949 577,670 576,578 Weighted Average Shares583 581 579 
Potential Dilutive Common Shares -Potential Dilutive Common Shares -   Potential Dilutive Common Shares -   
Stock Options/SARsStock Options/SARs258 1,137 Stock Options/SARs— — 
Restricted Stock/Units and Performance UnitsRestricted Stock/Units and Performance Units2,849 2,726 Restricted Stock/Units and Performance Units— 
Denominator for Diluted Earnings per Share -Denominator for Diluted Earnings per Share -   Denominator for Diluted Earnings per Share -   
Adjusted Diluted Weighted Average SharesAdjusted Diluted Weighted Average Shares578,949 580,777 580,441 Adjusted Diluted Weighted Average Shares587 584 579 
Net Income (Loss) Per ShareNet Income (Loss) Per Share   Net Income (Loss) Per Share   
BasicBasic$(1.04)$4.73 $5.93 Basic$13.31 $8.03 $(1.04)
DilutedDiluted$(1.04)$4.71 $5.89 Diluted$13.22 $7.99 $(1.04)

The diluted earnings per share calculation excludes stock options, SARs,option, SAR, restricted stock, restricted stock units, performance unitsunit, Performance Unit and ESPP grants that were anti-dilutive.  Shares underlying the excluded stock options, SARsoption, SAR and ESPP grants were 9.61 million, 6.16 million and 0.610 million for the years ended December 31, 2022, 2021 and 2020, 2019 and 2018, respectively. Shares underlying the excluded restricted stock, restricted stock unit and performance unit grants were 5.0 million shares forFor the year ended December 31, 2020.2020, 5 million shares underlying grants of restricted stock, restricted stock units and Performance Units were excluded.

F-27F-24


10.  Supplemental Cash Flow Information

Net cash paid (received) for (received from) interest and income taxes was as follows for the years ended December 31, 2022, 2021 and 2020 2019 and 2018 (in thousands)millions):
202020192018 202220212020
Interest, Net of Capitalized InterestInterest, Net of Capitalized Interest$205,447 $186,546 $243,279 Interest, Net of Capitalized Interest$173 $185 $205 
Income Taxes, Net of Refunds ReceivedIncome Taxes, Net of Refunds Received$(205,795)$(291,849)$75,634 Income Taxes, Net of Refunds Received$2,475 $1,114 $(206)

EOG's accrued capital expenditures at December 31, 2022, 2021 and 2020 2019were $713 million, $592 million and 2018 were $414 million, $612respectively.

Non-cash investing activities for the year ended December 31, 2022, included additions of $153 million to EOG's oil and $592gas properties as a result of property exchanges.

Non-cash investing activities for the year ended December 31, 2021, included additions of $50 million respectively.to EOG's oil and gas properties as a result of property exchanges and an addition of $74 million to EOG's other property, plant and equipment made in connection with finance lease transactions for storage facilities.

Non-cash investing activities for the year ended December 31, 2020, included additions of $212 million to EOG's oil and gas properties as a result of property exchanges and an addition of $174 million to EOG's other property, plant and equipment made in connection with finance lease transactions for storage facilities.

Non-cash investing activities for the year ended December 31, 2019, included additions of $150 million to EOG's oil and gas properties as a result of property exchanges.

Non-cash investing activities for the year ended December 31, 2018, included additions of $362 million to EOG's oil and gas properties as a result of property exchanges and an addition of $49 million to EOG's other property, plant and equipment primarily in connection with a finance lease transaction in the Permian Basin.

Cash paid for leases for the years ended December 31, 20202022, 2021 and 2019,2020, is disclosed in Note 18.

11.  Business Segment Information

EOG's operations are all crude oil, NGLs and natural gas exploration and production-related. The Segment Reporting Topic of the ASC establishes standards for reporting information about operating segments in annual financial statements.  Operating segments are defined as components of an enterprise about which separate financial information is available and evaluated regularly by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance.  EOG's chief operating decision-making process is informal and involves the Chairman of the Board and Chief Executive Officer and other key officers.  This group routinely reviews and makes operating decisions related to significant issues associated with each of EOG's major producing areas (including in the United States Trinidad and Chinain Trinidad) and its exploration program inprograms both inside and outside the Sultanate of Oman (Oman).United States.  For segment reporting purposes, the chief operating decision makers consider the major United States producing areas to be one operating segment.

F-28F-25


Financial information by reportable segment is presented below as of and for the years ended December 31, 2022, 2021 and 2020 2019 and 2018 (in thousands)millions):
United
States
Trinidad
Other
International (1)
Total
2020
Crude Oil and Condensate$5,773,582 $10,723 $1,304 $5,785,609 
Natural Gas Liquids667,514 667,514 
Natural Gas614,002 168,967 54,164 837,133 
Gains on Mark-to-Market Commodity Derivative Contracts1,144,737 1,144,737 
Gathering, Processing and Marketing2,581,493 1,491 2,582,984 
Gains (Losses) on Asset Dispositions, Net(47,018)(44)179 (46,883)
Other, Net60,989 (35)60,954 
Operating Revenues and Other (2)
10,795,299 181,102 55,647 11,032,048 
Depreciation, Depletion and Amortization3,323,800 60,629 15,924 3,400,353 
Operating Income (Loss) (3)
(545,566)74,801 (73,251)(544,016)
Interest Income10,783 922 34 11,739 
Other Income (Expense)153 (2,129)465 (1,511)
Net Interest Expense205,266 205,266 
Income (Loss) Before Income Taxes(739,896)73,594 (72,752)(739,054)
Income Tax Provision (Benefit)(156,834)14,568 7,784 (134,482)
Additions to Oil and Gas Properties, Excluding Dry Hole Costs3,316,724 83,173 41,961 3,441,858 
Total Property, Plant and Equipment, Net28,283,027 210,278 105,322 28,598,627 
Total Assets35,047,485 546,120 210,996 35,804,601 
2019
Crude Oil and Condensate$9,599,125 $11,138 $2,269 $9,612,532 
Natural Gas Liquids784,818 784,818 
Natural Gas866,911 258,819 58,365 1,184,095 
Gains on Mark-to-Market Commodity Derivative Contracts180,275 180,275 
Gathering, Processing and Marketing5,355,463 4,819 5,360,282 
Gains (Losses) on Asset Dispositions, Net131,446 (3,688)(4,145)123,613 
Other, Net134,325 18 15 134,358 
Operating Revenues and Other (4)
17,052,363 271,106 56,504 17,379,973 
Depreciation, Depletion and Amortization3,652,294 79,389 18,021 3,749,704 
Operating Income (Loss)3,618,907 112,790 (32,686)3,699,011 
Interest Income22,122 3,686 218 26,026 
Other Income3,235 727 1,397 5,359 
Net Interest Expense192,587 (7,458)185,129 
Income (Loss) Before Income Taxes3,451,677 117,203 (23,613)3,545,267 
Income Tax Provision760,881 40,901 8,575 810,357 
Additions to Oil and Gas Properties, Excluding Dry Hole Costs6,208,394 53,325 12,233 6,273,952 
Total Property, Plant and Equipment, Net30,101,857 184,606 78,132 30,364,595 
Total Assets36,274,942 705,747 143,919 37,124,608 
United
States
Trinidad
Other
International (1)
Total
2022
Crude Oil and Condensate$16,349 $18 $— $16,367 
Natural Gas Liquids2,648 — — 2,648 
Natural Gas3,489 292 — 3,781 
Losses on Mark-to-Market Financial Commodity Derivative Contracts, Net(3,982)— — (3,982)
Gathering, Processing and Marketing6,695 — 6,696 
Gains (Losses) on Asset Dispositions, Net77 (4)74 
Other, Net118 — — 118 
Operating Revenues and Other (2)
25,394 307 25,702 
Depreciation, Depletion and Amortization3,469 73 — 3,542 
Operating Income (Loss) (3)
9,880 122 (36)9,966 
Interest Income81 85 
Other Income (Expense)(17)46 — 29 
Net Interest Expense179 — — 179 
Income (Loss) Before Income Taxes9,765 170 (34)9,901 
Income Tax Provision2,106 35 2,142 
Additions to Oil and Gas Properties, Excluding Dry Hole Costs4,599 122 4,727 
Total Property, Plant and Equipment, Net29,109 307 13 29,429 
Total Assets40,349 879 143 41,371 
2021
Crude Oil and Condensate$11,094 $31 $— $11,125 
Natural Gas Liquids1,812 — — 1,812 
Natural Gas2,156 270 18 2,444 
Losses on Mark-to-Market Financial Commodity Derivative Contracts, Net(1,152)— — (1,152)
Gathering, Processing and Marketing4,287 — 4,288 
Gains (Losses) on Asset Dispositions, Net(40)(2)59 17 
Other, Net108 — — 108 
Operating Revenues and Other (4)
18,265 300 77 18,642 
Depreciation, Depletion and Amortization3,558 87 3,651 
Operating Income (Loss) (5)
6,013 151 (62)6,102 
Interest Income— — 
Other Income (Expense)(14)12 
Net Interest Expense178 — — 178 
Income (Loss) Before Income Taxes5,824 159 (50)5,933 
Income Tax Provision (Benefit)1,247 66 (44)1,269 
Additions to Oil and Gas Properties, Excluding Dry Hole Costs3,557 55 3,617 
Total Property, Plant and Equipment, Net28,213 204 28,426 
Total Assets37,436 637 163 38,236 
F-29F-26


United
States
Trinidad
Other
International (1)
TotalUnited
States
Trinidad
Other
International (1)
Total
2018    
20202020    
Crude Oil and CondensateCrude Oil and Condensate$9,390,244 $17,059 $110,137 $9,517,440 Crude Oil and Condensate$5,774 $11 $$5,786 
Natural Gas LiquidsNatural Gas Liquids1,127,510 1,127,510 Natural Gas Liquids668 — — 668 
Natural GasNatural Gas970,866 285,053 45,618 1,301,537 Natural Gas614 169 54 837 
Loses on Mark-to-Market Commodity Derivative Contracts(165,640)(165,640)
Gains on Mark-to-Market Financial Commodity Derivative Contracts, NetGains on Mark-to-Market Financial Commodity Derivative Contracts, Net1,145 — — 1,145 
Gathering, Processing and MarketingGathering, Processing and Marketing5,227,051 3,304 5,230,355 Gathering, Processing and Marketing2,581 — 2,583 
Gains on Asset Dispositions, Net154,852 4,493 15,217 174,562 
Losses on Asset Dispositions, NetLosses on Asset Dispositions, Net(47)— — (47)
Other, NetOther, Net89,708 (49)(24)89,635 Other, Net60 — — 60 
Operating Revenues and Other (5)(6)
Operating Revenues and Other (5)(6)
16,794,591 309,860 170,948 17,275,399 
Operating Revenues and Other (5)(6)
10,795 182 55 11,032 
Depreciation, Depletion and AmortizationDepreciation, Depletion and Amortization3,296,499 91,971 46,938 3,435,408 Depreciation, Depletion and Amortization3,324 60 16 3,400 
Operating Income (Loss)(7)Operating Income (Loss)(7)4,334,364 147,240 (12,258)4,469,346 Operating Income (Loss)(7)(546)75 (73)(544)
Interest IncomeInterest Income9,326 1,612 608 11,546 Interest Income11 — 12 
Other Income (Expense)9,580 2,436 (6,858)5,158 
Other ExpenseOther Expense— (2)— (2)
Net Interest ExpenseNet Interest Expense253,352 (8,300)245,052 Net Interest Expense205 — — 205 
Income (Loss) Before Income TaxesIncome (Loss) Before Income Taxes4,099,918 151,288 (10,208)4,240,998 Income (Loss) Before Income Taxes(740)74 (73)(739)
Income Tax Provision765,986 54,272 1,700 821,958 
Additions to Oil and Gas Properties, Excluding Dry Hole Costs6,155,874 1,618 37,838 6,195,330 
Total Property, Plant and Equipment, Net27,786,086 210,183 79,250 28,075,519 
Total Assets33,178,733 629,633 126,108 33,934,474 
Income Tax Provision (Benefit)Income Tax Provision (Benefit)(157)15 (134)
(1)Other International primarily consists of EOG's United Kingdom, China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began an exploration programprograms in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The United Kingdom operations were solddecision was reached in the fourth quarter of 2018.2021 to exit Block 36 and Block 49 in Oman.
(2)EOG had sales activity with three significant purchasers in 2022, one totaling $3.3 billion, another totaling $3.1 billion and a third totaling $3.0 billion of consolidated Operating Revenues and Other in the United States segment.
(3)EOG recorded pretax impairment charges of $15 million in 2022 for proved oil and gas properties and firm commitment contracts related to its decision to exit the Horn River Basin in British Columbia, Canada, in the Other International segment. See Note 14.
(4)EOG had sales activity with two significant purchasers in 2021, one totaling $2.7 billion and the other totaling $2.6 billion of consolidated Operating Revenues and Other in the United States segment.
(5)EOG recorded pretax impairment charges of $45 million and dry hole costs of $42 million in 2021 in the Other International segment related to its decision in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman. In addition, EOG recorded net gains of asset dispositions of $58 million in 2021 in the Other International segment during the second quarter of 2021 due to the sale of its China operations. See Notes 14 and 17, respectively.
(6)EOG had sales activity with three significant purchasers in 2020, each totaling $1.1 billion of consolidated Operating Revenues and Other in the United States segment.
(3)(7)EOG recorded pretax impairment charges of $1,570 million in 2020 for proved oil and gas properties, leasehold costs and other assets due to the decline in commodity prices and revisions of asset retirement obligations for certain properties in the United States segment. In addition, EOG recorded pretax impairment charges of $228 million in 2020 for owned and leased sand and crude-by-rail assets, also in the United States segment. EOG recorded pretax impairment charges of $81 million in 2020 for proved oil and gas properties and firm commitment contracts related to its decision to exit the Horn River Basin in British Columbia, Canada, in the Other International segment. See Notes 13 and 14.
(4)EOG had sales activity with two significant purchasers in 2019, one totaling $2.4 billion and the other totaling $2.2 billion of consolidated Operating Revenues and Other in the United States segment.
(5)EOG had sales activity with two significant purchasers in 2018, one totaling $2.6 billion and the other totaling $2.3 billion of consolidated Operating Revenues and Other in the United States segment.


F-30F-27


12.  Risk Management Activities

Commodity Price Risks.Transactions. EOG engages in price risk management activities from time to time.  These activities are intended to manage EOG's exposure to fluctuations in commodity prices for crude oil, NGLs and natural gas.  EOG utilizes financial commodity derivative instruments, primarily price swap, option, swaption, collar and basis swap contracts, as a means to manage this price risk. 

During 2020, 20192022, 2021 and 2018,2020, EOG elected not to designate any of its financial commodity derivative contracts as accounting hedges and, accordingly, accounted for these financial commodity derivative contracts using the mark-to-market accounting method.  Under this accounting method, changes in the fair value of outstanding financial instruments are recognized as gains or losses in the period of change and are recorded as Gains (Losses) on Mark-to-Market Financial Commodity Derivative Contracts, net on the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss).  The related cash flow impact is reflected in Cash Flows from Operating Activities.  During 2020, 20192022, 2021 and 2018,2020, EOG recognized net gains (losses) on the mark-to-market of financial commodity derivative contracts of $1,145$(3,982) million, $180$(1,152) million and $(166)$1,145 million, respectively, which included cash received from (payments for) settlements of crude oil, NGLs and natural gas financial derivative contracts of $1,071$(3,501) million, $231$(638) million and $(259)$1,071 million, respectively.

Crude Oil Derivative Contracts. Prices received by EOG for its crude oil production generally vary from U.S. New York Mercantile Exchange (NYMEX) West Texas Intermediate (WTI) prices due to adjustments for delivery location (basis) and other factors. EOG has entered into crude oil basis swap contracts in order to fix the differential between Intercontinental Exchange (ICE) Brent pricing and pricing in Cushing, Oklahoma (ICE Brent Differential). Presented below is a comprehensive summary of EOG's ICE Brent Differential basis swapfinancial commodity derivative contracts settled during the year ended December 31, 2022 (closed) and remaining for 2023 and thereafter, as of December 31, 2020. The weighted average price differential expressed2022. Crude oil and NGLs volumes are presented in MBbld and prices are presented in $/Bbl. Natural gas volumes are presented in MMBtu per day (MMBtud) and prices are presented in dollars per barrelMMBtu ($/Bbl) represents the amount of addition to Cushing, Oklahoma, prices for the notional volumes expressed in barrels per day (Bbld) covered by the basis swap contracts.
ICE Brent Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
May 2020 (closed)10,000 $4.92 
MMBtu).

Crude Oil Financial Price Swap Contracts
Contracts SoldContracts Purchased
PeriodSettlement IndexVolume (MBbld)Weighted Average
Price ($/Bbl)
Volume (MBbld)Weighted Average
Price ($/Bbl)
January - March 2022 (closed)NYMEX WTI140 $65.58 — $— 
April - June 2022 (closed)NYMEX WTI140 65.62 — — 
July - September 2022 (closed)NYMEX WTI140 65.59 — — 
October - December 2022 (closed) (1)
NYMEX WTI53 66.11 — — 
October - December 2022 (closed)NYMEX WTI87 65.41 87 88.85 
January - March 2023 (closed) (1) (2)
NYMEX WTI55 67.96 — — 
January - March 2023NYMEX WTI95 67.90 102.26 
April - May 2023 (closed) (1)
NYMEX WTI29 68.28 — — 
April - May 2023NYMEX WTI91 67.63 98.15 
June 2023 (closed) (1)
NYMEX WTI118 67.77 — — 
June 2023NYMEX WTI69.10 98.15 
July - September 2023 (closed) (1)
NYMEX WTI100 70.15 — — 
October - December 2023 (closed) (1)
NYMEX WTI69 69.41 — — 
_________________
(1)    In the second quarter of 2022, EOG has also entered intoexecuted the early termination provision granting EOG the right to terminate certain of its October 2022 - December 2023 crude oil basisfinancial price swap contracts in orderwhich were open at that time. EOG paid net cash of $593 million for the settlement of these contracts.
(2)    In the third quarter of 2022, EOG executed the early termination provision granting EOG the right to fix the differential between pricing in Houston, Texas, and Cushing, Oklahoma (Houston Differential). Presented below is a comprehensive summaryterminate certain of EOG's Houston Differential basisits January 2023 - March 2023 crude oil financial price swap contracts aswhich were open at that time. EOG paid net cash of December 31, 2020. The weighted average price differential expressed in $/Bbl represents the amount of addition to Cushing, Oklahoma, prices$63 million for the notional volumes expressed in Bbld covered by the basis swapsettlement of these contracts.
Houston Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
May 2020 (closed)10,000 $1.55 

F-31F-28


EOG has also entered into crude oil swaps in order
Crude Oil Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price Differential
($/Bbl)
January - December 2022 (closed)
NYMEX WTI Roll Differential (1)
125 $0.15 
(1)    This settlement index is used to fix the differential in pricing between the NYMEX calendar month average and the physical crude oil delivery month (Roll Differential). Presented below is a comprehensive summary of EOG's Roll Differential basis swap contracts as of December 31, 2020. The weighted average price differential expressed in $/Bbl represents the amount of net addition (reduction) to delivery month prices for the notional volumes expressed in Bbld covered by the swap contracts.month.

Roll Differential Basis Swap Contracts
 Volume (Bbld)Weighted Average Price Differential
($/Bbl)
2020
February 1, 2020 through June 30, 2020 (closed)10,000 $0.70 
July 1, 2020 through September 30, 2020 (closed)88,000 (1.16)
October 1, 2020 through December 31, 2020 (closed)66,000 (1.16)
2021
February 1, 2021 through December 31, 202125,000 $0.10 
2022
January 1, 2022 through December 31, 202250,000 $0.11 
Natural Gas Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average
Price ($/MMBtu)
January - September 2022 (closed)NYMEX Henry Hub725 $3.57 
October - December 2022 (closed) (1)
NYMEX Henry Hub425 3.05 
October - December 2022 (closed)NYMEX Henry Hub300 4.32 
January - December 2023 (closed) (1)
NYMEX Henry Hub425 3.05 
January 2023 (closed)NYMEX Henry Hub300 3.36 
February - December 2023NYMEX Henry Hub300 3.36 
January - December 2024NYMEX Henry Hub725 3.07 
January - December 2025NYMEX Henry Hub725 3.07 

_________________
(1)    In May 2020, EOG entered into crude oil Roll Differential basis swap contracts for the period from July 1, 2020 through September 30, 2020, with notional volumessecond quarter of 22,000 Bbld at a weighted average price differential of $(0.43) per Bbl, and for the period from October 1, 2020 through December 31, 2020, with notional volumes of 44,000 Bbld at a weighted average price differential of $(0.73) per Bbl. These contracts partially offset certain outstanding Roll Differential basis swap contracts for the same time periods and volumes at a weighted average price differential of $(1.16) per Bbl. EOG paid net cash of $3.2 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.

Presented below is a comprehensive summary of EOG's crude oil NYMEX WTI price swap contracts as of December 31, 2020, with notional volumes expressed in Bbld and prices expressed in $/Bbl.
Crude Oil NYMEX WTI Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
January 1, 2020 through March 31, 2020 (closed)200,000 $59.33 
April 1, 2020 through May 31, 2020 (closed)265,000 51.36 

In April and May 2020, EOG entered into crude oil NYMEX WTI price swap contracts for the period from June 1, 2020 through June 30, 2020, with notional volumes of 265,000 Bbld at a weighted average price of $33.80 per Bbl, for the period from July 1, 2020 through July 31, 2020, with notional volumes of 254,000 Bbld at a weighted average price of $33.75 per Bbl, for the period from August 1, 2020 through September 30, 2020, with notional volumes of 154,000 Bbld at a weighted average price of $34.18 per Bbl and for the period from October 1, 2020 through December 31, 2020, with notional volumes of 47,000 Bbld at a weighted average price of $30.04 per Bbl. These contracts offset the remaining crude oil NYMEX WTI price swap contracts for the same time periods and volumes at a weighted average price of $51.36 per Bbl for the period from June 1, 2020 through June 30, 2020, $42.36 per Bbl for the period from July 1, 2020 through July 31, 2020, $50.42 per Bbl for the period from August 1, 2020 through September 30, 2020 and $31.00 per Bbl for the period from October 1, 2020 through December 31, 2020. EOG received net cash of $362.6 million through December 31, 2020, for the settlement of certain of these contracts, and expects to receive net cash of $1.4 million during January 2021 for the settlement of the remaining contracts. The offsetting contracts were excluded from the above table.


F-32


Presented below is a comprehensive summary of EOG's crude oil ICE Brent price swap contracts as of December 31, 2020, with notional volumes expressed in Bbld and prices expressed in $/Bbl.

Crude Oil ICE Brent Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
April 2020 (closed)75,000 $25.66 
May 2020 (closed)35,000 26.53 

NGLs Derivative Contracts. Presented below is a comprehensive summary of EOG's Mont Belvieu propane (non-TET) price swap contracts as of December 31, 2020, with notional volumes expressed in Bbld and prices expressed in $/Bbl.
Mont Belvieu Propane Price Swap Contracts
 Volume (Bbld)Weighted Average Price ($/Bbl)
2020
January 1, 2020 through February 29, 2020 (closed)4,000 $21.34 
March 1, 2020 through April 30, 2020 (closed)25,000 17.92

In April and May 2020, EOG entered into Mont Belvieu propane price swap contracts for the period from May 1, 2020 through December 31, 2020, with notional volumes of 25,000 Bbld at a weighted average price of $16.41 per Bbl. These contracts offset the remaining Mont Belvieu propane price swap contracts for the same time period with notional volumes of 25,000 Bbld at a weighted average price of $17.92 per Bbl. EOG received net cash of $8.0 million through December 31, 2020, for the settlement of certain of these contracts, and expects to receive net cash of $1.2 million during January 2021 for the settlement of the remaining contracts. The offsetting contracts were excluded from the above table.

Natural Gas Derivative Contracts. Presented below is a comprehensive summary of EOG's natural gas NYMEX Henry Hub price swap contracts as of December 31, 2020, with notional volumes sold (purchased) expressed in million British thermal units (MMBtu) per day (MMBtud) and prices expressed in dollars per MMBtu ($/MMBtu).
Natural Gas NYMEX Henry Hub Price Swap Contracts
 Volume (MMBtud)Weighted Average Price ($/MMBtu)
2021
April 1, 2021 through December 31, 2021500,000 $2.99 
2022
January 1, 2022 through December 31, 202220,000 $2.75 

In December 2020, EOG entered into natural gas NYMEX Henry Hub price swap contracts for the period from January 1, 2021 through March 31, 2021, with notional volumes of 500,000 MMBtud at a weighted average price of $2.43 per MMBtu. These contracts offset the remaining natural gas NYMEX Henry Hub price swap contracts for the same time period with notional volumes of 500,000 MMBtud at a weighted average price of $2.99 per MMBtu. EOG expects to receive net cash of $25.2 million during 2021 for the settlement of these contracts. The offsetting contracts were excluded from the above table.


F-33


EOG has entered into natural gas collar contracts, which establish ceiling and floor prices for the sale of notional volumes of natural gas as specified in the collar contracts. The collars require that EOG pay the difference between the ceiling price and the NYMEX Henry Hub natural gas price for the contract month (Henry Hub Index Price) in the event the Henry Hub Index Price is above the ceiling price. The collars grant EOG the right to receive the difference between the floor price and the Henry Hub Index Price in the event the Henry Hub Index Price is below the floor price. In March 2020,2022, EOG executed the early termination provision granting EOG the right to terminate certain 2020of its October 2022 - December 2023 natural gas collarfinancial price swap contracts with notional volumes of 250,000 MMBtudwhich were open at a weighted average ceiling price of $2.50 per MMBtu and a weighted average floor price of $2.00 per MMBtu for the period from April 1, 2020 through July 31, 2020.that time. EOG receivedpaid net cash of $7.8$735 million for the settlement of these contracts. Presented below is a comprehensive summary of EOG's natural gas collar contracts as of December 31, 2020, with notional volumes expressed in MMBtud and prices expressed in $/MMBtu.

Natural Gas Collar Contracts
Weighted Average Price ($/MMBtu)
 Volume (MMBtud)Ceiling PriceFloor Price
2020
April 1, 2020 through July 31, 2020 (closed)250,000 $2.50 $2.00 
Natural Gas Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average Price
($/MMBtu)
January - December 2022 (closed)
NYMEX Henry Hub Houston Ship Channel (HSC) Differential (1)
210 $0.01 
January - December 2023NYMEX Henry Hub HSC Differential135 0.01 
January - December 2024NYMEX Henry Hub HSC Differential10 0.00 
January - December 2025NYMEX Henry Hub HSC Differential10 0.00 

In April 2020, EOG entered into natural gas collar contracts for the period from August 1, 2020 through October 31, 2020, with notional volumes of 250,000 MMBtud at a ceiling price of $2.50 per MMBtu and a floor price of $2.00 per MMBtu. These contracts offset the remaining natural gas collar contracts for the same time period with notional volumes of 250,000 MMBtud at a ceiling price of $2.50 per MMBtu and a floor price of $2.00 per MMBtu. EOG received net cash of $1.1 million for the(1)    This settlement of these contracts. The offsetting contracts were excluded from the above table.

Prices received by EOG for its natural gas production generally vary from NYMEX Henry Hub prices due to adjustments for delivery location (basis) and other factors. EOG has entered into natural gas basis swap contracts in order to fix the differential between pricing in the Rocky Mountain area and NYMEX Henry Hub prices (Rockies Differential). Presented belowindex is a comprehensive summary of EOG's Rockies Differential basis swap contracts as of December 31, 2020. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

Rockies Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through December 31, 2020 (closed)30,000 $0.55 

EOG has also entered into natural gas basis swap contracts in orderused to fix the differential between pricing at the Houston Ship Channel (HSC) and NYMEX Henry Hub prices (HSC Differential). In March 2020, EOG executed the early termination provision granting EOG the right to terminate certain 2020 HSC Differential basis swaps with notional volumes of 60,000 MMBtud at a weighted average price differential of $0.05 per MMBtu for the period from April 1, 2020 through December 31, 2020. EOG paid net cash of $0.4 million for the settlement of these contracts. Presented below is a comprehensive summary of EOG's HSC Differential basis swap contracts as of December 31, 2020. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.
HSC Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through December 31, 2020 (closed)60,000 $0.05 
prices.


Financial
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EOG has also entered into natural gas basis swap contracts in order to fix the differential between pricing at the Waha Hub in West Texas and NYMEX Henry Hub prices (Waha Differential). Presented below is a comprehensive summary of EOG's Waha Differential basis swap contracts as of December 31, 2020. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.
Waha Differential Basis Swap Contracts
 Volume (MMBtud)Weighted Average Price Differential
($/MMBtu)
2020
January 1, 2020 through April 30, 2020 (closed)50,000 $1.40 

In April 2020, EOG entered into Waha Differential basis swap contracts for the period from May 1, 2020 through December 31, 2020, with notional volumes of 50,000 MMBtud at a weighted average price differential of $0.43 per MMBtu. These contracts offset the remaining Waha Differential basis swap contracts for the same time period with notional volumes of 50,000 MMBtud at a weighted average price differential of $1.40 per MMBtu. EOG paid net cash of $11.9 million for the settlement of these contracts. The offsetting contracts were excluded from the above table.

 Commodity Derivatives Location on Balance Sheet. The following table sets forth the amounts and classification of EOG's outstanding derivative financial instruments at December 31, 20202022 and 2019,2021, respectively.  Certain amounts may be presented on a net basis on the consolidated financial statements when such amounts are with the same counterparty and subject to a master netting arrangement (in thousands)millions):
   Fair Value at December 31,
DescriptionLocation on Balance Sheet20202019
Asset Derivatives 
Crude oil, NGLs and natural gas derivative contracts - 
Current portion
Assets from Price Risk Management Activities (1)
$64,559 $1,299 
Noncurrent portionOther Assets1,063 
Liability Derivatives   
Crude oil, NGLs and natural gas derivative contracts -   
Current portion
Liabilities from Price Risk Management Activities (2)
$$20,194 
Noncurrent PortionOther Liabilities455 
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   Fair Value at December 31,
DescriptionLocation on Balance Sheet20222021
Asset Derivatives 
Crude oil, NGLs and natural gas financial derivative contracts - 
Noncurrent portionOther Assets$— $
Liability Derivatives   
Crude oil, NGLs and natural gas financial derivative contracts -   
Current portion
Liabilities from Price Risk Management Activities (1)
$169 $269 
Noncurrent Portion
Other Liabilities (2)
371 37 
(1)    The current portion of Assets from Price Risk Management Activities consists of gross assets of $3 million, partially offset by gross liabilities of $2 million, at December 31, 2019.
(2)    The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $23$287 million, partially offset by gross assets of $26 million and collateral posted with counterparties of $92 million, at December 31, 2022.
(2)    The noncurrent portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $606 million, partially offset by gross assets of $3 million and collateral posted with counterparties of $232 million, at December 31, 2019.2022.

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Credit Risk.  Notional contract amounts are used to express the magnitude of a financial derivative.  The amounts potentially subject to credit risk, in the event of nonperformance by the counterparties, are equal to the fair value of such contracts (see Note 13).  EOG evaluates its exposure to significant counterparties on an ongoing basis, including those arising from physical and financial transactions.  In some instances, EOG renegotiates payment terms and/or requires collateral, parent guarantees or letters of credit to minimize credit risk. 

At December 31, 2020,2022, EOG's net accounts receivable balance related to United States hydrocarbon sales included twoone receivable balances, each ofbalance which accounted for more than 10% of the total balance.  The receivables werereceivable was due from twoa petroleum refinery companies.company.  The related amounts wereamount was collected during early 2021.2023.  At December 31, 2019,2021, EOG's net accounts receivable balance related to United States hydrocarbon sales included three receivable balances, each of which accounted for more than 10% of the total balance.  The receivables were due from three petroleum refinery companies.  The related amounts were collected during early 2020.2022.

In 20202022 and 2019,2021, all natural gas from EOG's Trinidad operations was sold to the National Gas Company of Trinidad and Tobago Limited and its subsidiary. In 20202022 and 2019,2021, all crude oil and condensate from EOG's Trinidad operations was sold to Heritage Petroleum Company Limited. In 2020 and 2019,Through May 2021, all natural gas from EOG's China operations was sold to Petrochina Company Limited.

All of EOG's financial derivative instruments are covered by International Swap Dealers Association Master Agreements (ISDAs) with counterparties.  The ISDAs may contain provisions that (i) require EOG, if it is the party in a net liability position, to post collateral with the counterparty when the amount of the net liability exceeds the threshold level specified for EOG's then-current credit ratings or (ii) require the counterparty, if it is in a net liability position, to post collateral with EOG when the amount of the net liability exceeds the threshold level specified for the counterparty's then-current credit ratings. In addition, the ISDAs may also provide that as a result of certain circumstances, including certain events that cause EOG's credit ratings to become materially weaker than its then-current ratings, the counterparty may require all outstanding financial derivatives under the ISDA to be settled immediately.  See Note 13 for the aggregate fair value of all financial derivative instruments that were in a net asset position at December 31, 2020 and a net liability position at December 31, 2019.2022 and 2021.  EOG had 0$324 million and $140 million of collateral posted and held 0 collateral at December 31, 20202022 and 2019.2021, respectively, and had no collateral held at December 31, 2022 and 2021.

Substantially all of EOG's accounts receivable at December 31, 20202022 and 20192021 resulted from hydrocarbon sales and/or joint interest billings to third-party companies, including foreign state-owned entities in the oil and gas industry.  This concentration of customers and joint interest owners may impact EOG's overall credit risk, either positively or negatively, in that these entities may be similarly affected by changes in economic or other conditions.  In determining whether or not to require collateral or other credit enhancements from a customer, EOG typically analyzes the entity's net worth, cash flows, earnings and credit ratings.  Receivables are generally not collateralized.  During the three-year period ended December 31, 2020,2022, credit losses incurred on receivables by EOG have been immaterial.
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13.  Fair Value Measurements

Certain of EOG's financial and nonfinancial assets and liabilities are reported at fair value on the Consolidated Balance Sheets. An established fair value hierarchy prioritizes the relative reliability of inputs used in fair value measurements. The hierarchy gives highest priority to Level 1 inputs that represent unadjusted quoted market prices in active markets for identical assets and liabilities that the reporting entity has the ability to access at the measurement date. Level 2 inputs are directly or indirectly observable inputs other than quoted prices included within Level 1. Level 3 inputs are unobservable inputs and have the lowest priority in the hierarchy. EOG gives consideration to the credit risk of its counterparties, as well as its own credit risk, when measuring financial assets and liabilities at fair value.
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Recurring Fair Value Measurements. The following table provides fair value measurement information within the fair value hierarchy for certain of EOG's financial assets and liabilities carried at fair value on a recurring basis at December 31, 20202022 and 2019. Amounts shown in thousands.2021 (in millions):
 Fair Value Measurements Using:
 Quoted
Prices in
Active
Markets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
At December 31, 2020
Financial Assets (1):
Natural Gas Swaps$$66,064 $$66,064 
Financial Liabilities (2):
Crude Oil Roll Differential Swaps897 897 
At December 31, 2019    
Financial Assets (1):
    
Natural Gas Liquids Swaps$$3,401 $$3,401 
Natural Gas Basis Swaps970 970 
Financial Liabilities (2):
Crude Oil Swaps23,266 23,266 
 Fair Value Measurements Using:
 Quoted
Prices in
Active
Markets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Total
At December 31, 2022
Financial Assets:
Natural Gas Basis Swaps$— $29 $— $29 
Financial Liabilities:
Natural Gas Swaps— 703 — 703 
Crude Oil Swaps— 190 — 190 
At December 31, 2021    
Financial Assets:    
Natural Gas Swaps$— $29 $— $29 
Natural Gas Basis Swaps— — 
Crude Oil Swaps— 15 — 15 
Financial Liabilities:
Crude Oil Roll Differential Swaps— 24 — 24 
Natural Gas Swaps— 121 — 121 
Crude Oil Swaps— 340 — 340 
Natural Gas Basis Swaps— — 

(1)    $65 millionSee Note 12 for the balance sheet amounts and $1 million are included in "Current Assets - Assets from Price Risk Management Activities"classification of EOG's financial derivative instruments at December 31, 20202022 and 2019, respectively, on the Consolidated Balance Sheets. $1 million is included in "Other Assets" at December 31, 2020, on the Consolidated Balance Sheets.
(2)    $1 million is included in "Other Liabilities" at December 31, 2020, on the Consolidated Balance Sheets. $20 million is included in "Current Liabilities - Liabilities from Price Risk Management Activities" at December 31, 2019 on the Consolidated Balance Sheets.2021.

The estimated fair value of crude oil, NGLs and natural gas financial derivative contracts (including options/collars) was based upon forward commodity price curves based on quoted market prices.  CommodityFinancial commodity derivative contracts were valued by utilizing an independent third-party derivative valuation provider who uses various types of valuation models, as applicable.

Non-Recurring Fair Value Measurements. The initial measurement of asset retirement obligations at fair value is calculated using discounted cash flow techniques and based on internal estimates of future retirement costs associated with property, plant and equipment.  Significant Level 3 inputs used in the calculation of asset retirement obligations include plugging costs and reserve lives.  A reconciliation of EOG's asset retirement obligations is presented in Note 15.


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When circumstances indicate that proved oil and gas properties may be impaired, EOG compares expected undiscounted future cash flows at a depreciation, depletion and amortization group level to the unamortized capitalized cost of the asset.group. If the expected undiscounted future cash flows, based on EOG's estimate of (and assumptions regarding) significant Level 3 inputs, including future crude oil, NGLs and natural gas prices, operating costs, development expenditures, anticipated production from proved reserves and other relevant data, are lower than the unamortized capitalized cost, the capitalized cost is reduced to fair value. Fair value is generally calculated using the Income Approach described in the Fair Value Measurement Topic of the ASC. In certain instances, EOG utilizes accepted offers from third-party purchasers as the basis for determining fair value.

During 2022, proved oil and gas properties with a carrying amount of $146 million were written down to their fair value of $26 million, resulting in pretax impairment charges of $120 million.

During 2021, proved oil and gas properties with a carrying amount of $27 million were written down to their fair value of $7 million, resulting in pretax impairment charges of $20 million

During 2020, due to the decline in commodity prices and revisions of asset retirement obligations for certain properties, proved oil and gas properties with a carrying amount of $1,587 million were written down to their fair value of $319 million, resulting in pretax impairment charges of $1,268 million. In addition, EOG recorded pretax impairment charges in 2020 of $72 million for a commodity price-related write-down of other assets.

During 2019, proved oil and gas properties; other property, plant and equipment; and other assets with a carrying amount of $998 million were written down to their fair value of $701 million, resulting in pretax impairment charges of $297 million. Included in the $297 million pretax impairment charges are $152 million of impairments of proved oil and gas properties for which EOG utilized an accepted offer from a third-party purchaser as the basis for determining fair value. In addition, EOG recorded pretax impairment charges in 2019 of $90 million for a commodity price-related write-down of other assets.
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EOG utilized average prices per acre from comparable market transactions and estimated discounted cash flows as the basis for determining the fair value of unproved and proved properties, respectively, received in non-cash property exchanges. See Note 10.

Fair Value of Debt. At both December 31, 20202022 and 2019, respectively,2021, EOG had outstanding $5,640 million and $5,140$4,890 million aggregate principal amount of senior notes, which had estimated fair values of approximately $6,505$4,740 million and $5,452$5,577 million, respectively. The estimated fair value of debt was based upon quoted market prices and, where such prices were not available, other observable (Level 2) inputs regarding interest rates available to EOG at year-end.

14.  Impairment Expense

Impairment expense was as follows for the years ended December 31, 2022, 2021 and 2020 2019 and 2018 (in thousands)millions):

202020192018 202220212020
Proved properties (1)
Proved properties (1)
$1,268,073 $206,469 $120,859 
Proved properties (1)
$120 $20 $1,268 
Unproved properties (2)
Unproved properties (2)
472,143 220,444 173,383 
Unproved properties (2)
206 310 472 
Other assets (3)
Other assets (3)
299,851 90,983 48,732 
Other assets (3)
29 28 300 
InventoriesInventories4,047 Inventories25 13 — 
Firm commitment contracts (4)
Firm commitment contracts (4)
59,713 
Firm commitment contracts (4)
60 
TotalTotal$2,099,780 $517,896 $347,021 Total$382 $376 $2,100 
(1)    Impairments to proved oil and gas properties in 2020 included legacy and non-core natural gas and crude oil and combo plays. Impairments to proved oil and gas properties in 2019 and 2018 included domestic legacy natural gas assets. See Notes 1 and 13.
(2)    Unproved properties with acquisition costs that are not individually significant are aggregated, and the portion of such costs estimated to be nonproductive is amortized over the remaining lease term. Unproved properties with individually significant acquisition costs are reviewed individually for impairment. Impairments of unproved oil and gas properties included $38 million in 2021 for the decision in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman. Impairments of unproved oil and gas properties included charges of $252 million in 2020 for certain leasehold costs that are no longer expected to be developed before expiration.expiration in the United States. See Note 1.
(3)    Includes impairment charges for owned and leased sand and crude-by-rail assets of $228 million in 2020 (see Note 18) and a commodity price-related write-down of other assets of $72 million $90 million and $49 million in 2020 2019 and 2018, respectively (see Note 13).
(4)    Includes impairment charges of $60 million in 2020 for firm commitment contracts related to its decision to exit the Horn River Basin in British Columbia, Canada.


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15.  Asset Retirement Obligations

The following table presents the reconciliation of the beginning and ending aggregate carrying amounts of short-term and long-term legal obligations associated with the retirement of property, plant and equipment for the years ended December 31, 20202022 and 20192021 (in thousands)millions):
20202019 20222021
Carrying Amount at Beginning of PeriodCarrying Amount at Beginning of Period$1,110,710 $954,377 Carrying Amount at Beginning of Period$1,231 $1,217 
Liabilities IncurredLiabilities Incurred57,477 98,874 Liabilities Incurred100 81 
Liabilities Settled (1)
Liabilities Settled (1)
(54,027)(58,673)
Liabilities Settled (1)
(215)(131)
AccretionAccretion47,083 43,462 Accretion43 44 
RevisionsRevisions53,888 72,425 Revisions173 20 
Foreign Currency TranslationsForeign Currency Translations1,407 245 Foreign Currency Translations(4)— 
Carrying Amount at End of PeriodCarrying Amount at End of Period$1,216,538 $1,110,710 Carrying Amount at End of Period$1,328 $1,231 
Current PortionCurrent Portion$49,548 $37,127 Current Portion$38 $43 
Noncurrent PortionNoncurrent Portion$1,166,990 $1,073,583 Noncurrent Portion$1,290 $1,188 
(1)    Includes settlements related to asset sales.
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sales and property exchanges.

The current and noncurrent portions of EOG's asset retirement obligations are included in Current Liabilities - Other and Other Liabilities, respectively, on the Consolidated Balance Sheets.


16.  Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the years ended December 31, 2020, 20192022, 2021 and 20182020 are presented below (in thousands)millions):
202020192018 202220212020
Balance at January 1Balance at January 1$25,897 $4,121 $2,167 Balance at January 1$$29 $26 
Additions Pending the Determination of Proved ReservesAdditions Pending the Determination of Proved Reserves107,852 83,175 10,304 Additions Pending the Determination of Proved Reserves135 73 108 
Reclassifications to Proved PropertiesReclassifications to Proved Properties(81,071)(39,325)(7,917)Reclassifications to Proved Properties(88)(41)(81)
Costs Charged to Expense (1)
Costs Charged to Expense (1)
(23,822)(22,074)(433)
Costs Charged to Expense (1)
(39)(54)(24)
Balance at December 31Balance at December 31$28,856 $25,897 $4,121 Balance at December 31$15 $$29 
(1)    Includes capitalized exploratory well costs charged to either dry hole costs or impairments.

202020192018 202220212020
Capitalized exploratory well costs that have been capitalized for a period of one year or lessCapitalized exploratory well costs that have been capitalized for a period of one year or less$26,408 $25,897 $4,121 Capitalized exploratory well costs that have been capitalized for a period of one year or less$15 $$26 
Capitalized exploratory well costs that have been capitalized for a period greater than one year (1)
Capitalized exploratory well costs that have been capitalized for a period greater than one year (1)
2,448 
Capitalized exploratory well costs that have been capitalized for a period greater than one year (1)
— — 
Balance at December 31Balance at December 31$28,856 $25,897 $4,121 Balance at December 31$15 $$29 
Number of exploratory wells that have been capitalized for a period greater than one yearNumber of exploratory wells that have been capitalized for a period greater than one yearNumber of exploratory wells that have been capitalized for a period greater than one year— — 
(1)    Consists of costs related to a project in the United States at December 31, 2020.


F-39F-33


17.  Acquisitions and Divestitures

During 2022, EOG paid cash for property acquisitions of $393 million in the United States. Additionally during 2022, EOG recognized net gains on asset dispositions of $74 million and received proceeds of $349 million primarily due to the sale of certain legacy natural gas assets in the Rocky Mountain area, unproved leasehold in Texas and producing properties in the Mid-Continent area.

During 2021, EOG paid cash for property acquisitions of $95 million in the United States. Additionally during 2021, EOG recognized net gains on asset dispositions of $17 million and received proceeds of $231 million primarily due to the sale of the China assets and the disposition of the Northwest Shelf assets in New Mexico. Additionally, in the fourth quarter of 2021, EOG signed a purchase and sale agreement for the sale of primarily producing properties in the Rocky Mountain area. At December 31, 2021, the book value of these assets and their related asset retirement obligations were $99 million and $105 million, respectively.

During 2020, EOG paid cash for property acquisitions of $82 million in the United States and $38 million in Other International, primarily in Oman. Additionally during 2020, EOG recognized net losses on asset dispositions of $47 million primarily due to sales of proved properties and non-cash property exchanges of unproved leasehold in Texas and New Mexico and the disposition of the Marcellus Shale assets, and received proceeds of approximately $192 million.

During 2019, EOG paid cash for property acquisitions of $328 million in the United States. Additionally during 2019, EOG recognized net gains on asset dispositions of $124 million primarily due to sales of producing properties, acreage and other assets, as well as non-cash property exchanges in New Mexico, and received proceeds of approximately $140 million.

During 2018, EOG recognized net gains on asset dispositions of $175 million primarily due to non-cash property exchanges in Texas, New Mexico and Wyoming. Additionally, EOG received proceeds in 2018 of approximately $227 million, primarily due to the sale of its United Kingdom operations in the fourth quarter of 2018.

18. Leases

Lease costs are classified by the function of the ROU asset. The lease costs related to exploration and development activities are initially included in the Oil and Gas Properties line on the Consolidated Balance Sheets and subsequently accounted for in accordance with the Extractive Industries - Oil and Gas Topic of the ASC. Variable lease cost represents costs incurred above the contractual minimum payments and other charges associated with leased equipment, primarily for drilling and fracturing contracts classified as operating leases. The components of lease cost for the years ended December 31, 20202022, 2021 and 20192020 were as follows (in millions):

20202019202220212020
Operating Lease Cost (1)
Operating Lease Cost (1)
$393 $497 
Operating Lease Cost (1)
$282 $295 $393 
Finance Lease Cost:Finance Lease Cost:Finance Lease Cost:
Amortization of Lease AssetsAmortization of Lease Assets21 13 Amortization of Lease Assets36 39 21 
Interest on Lease LiabilitiesInterest on Lease LiabilitiesInterest on Lease Liabilities
Variable Lease CostVariable Lease Cost91 138 Variable Lease Cost71 63 91 
Short-Term Lease CostShort-Term Lease Cost194 333 Short-Term Lease Cost425 257 194 
Total Lease CostTotal Lease Cost$703 $983 Total Lease Cost$820 $661 $703 
(1)    Operating lease cost includes impairment expenses of $35 million in 2020.


F-40F-34


The following table sets forth the amounts and classification of EOG's outstanding ROU assets and related lease liabilities at December 31, 20202022 and 20192021 and supplemental information for the years ended December 31, 20202022 and 20192021 (in millions, except lease terms and discount rates):
DescriptionDescriptionLocation on Balance Sheet20202019DescriptionLocation on Balance Sheet20222021
AssetsAssetsAssets
Operating LeasesOperating LeasesOther Assets$869 $773 Operating LeasesOther Assets$846 $743 
Finance LeasesFinance Leases
Property, Plant and Equipment, Net (1)
206 53 Finance Leases
Property, Plant and Equipment, Net (1)
203 241 
TotalTotal$1,075 $826 Total$1,049 $984 
LiabilitiesLiabilitiesLiabilities
CurrentCurrentCurrent
Operating LeasesOperating LeasesCurrent Portion of Operating Lease Liabilities$295 $369 Operating LeasesCurrent Portion of Operating Lease Liabilities$296 $240 
Finance LeasesFinance LeasesCurrent Portion of Long-Term Debt31 15 Finance LeasesCurrent Portion of Long-Term Debt33 37 
Long-TermLong-TermLong-Term
Operating LeasesOperating LeasesOther Liabilities641 430 Operating LeasesOther Liabilities584 558 
Finance LeasesFinance LeasesLong-Term Debt181 43 Finance LeasesLong-Term Debt182 213 
TotalTotal$1,148 $857 Total$1,095 $1,048 
(1)    Finance lease assets are recorded net of accumulated amortization of $81$157 million and $60$119 million at December 31, 20202022 and 2019,2021, respectively.

2020201920222021
Weighted Average Remaining Lease Term (in years):Weighted Average Remaining Lease Term (in years):Weighted Average Remaining Lease Term (in years):
Operating LeasesOperating Leases5.33.2Operating Leases4.95.3
Finance LeasesFinance Leases7.64.7Finance Leases6.57.0
Weighted Average Discount Rate:Weighted Average Discount Rate:Weighted Average Discount Rate:
Operating LeasesOperating Leases3.4 %3.5 %Operating Leases3.4 %3.0 %
Finance LeasesFinance Leases2.8 %3.0 %Finance Leases2.6 %2.6 %

Cash paid for leases for the years ended December 31, 20202022, 2021 and 20192020 was as follows (in millions):
20202019202220212020
Repayment of Operating Lease Liabilities Associated with Operating ActivitiesRepayment of Operating Lease Liabilities Associated with Operating Activities$223 $225 Repayment of Operating Lease Liabilities Associated with Operating Activities$199 $207 $223 
Repayment of Operating Lease Liabilities Associated with Investing ActivitiesRepayment of Operating Lease Liabilities Associated with Investing Activities130 270 Repayment of Operating Lease Liabilities Associated with Investing Activities95 98 130 
Repayment of Finance Lease LiabilitiesRepayment of Finance Lease Liabilities19 13 Repayment of Finance Lease Liabilities35 37 19 

Non-cash leasing activities for the year ended December 31, 2022, included the additions of $511 million of operating leases and no finance leases. Non-cash leasing activities for the year ended December 31, 2021, included the additions of $333 million of operating leases and $74 million of finance leases. Non-cash leasing activities for the year ended December 31, 2020, included the additions of $893 million of operating leases and $174 million of finance leases. Non-cash leasing activities for the year ended December 31, 2019, included the addition of $784 million of operating leases. Upon adoption of ASU 2016-02 effective January 1, 2019, EOG recognized operating lease ROU of $566 million.

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At December 31, 2020,2022, the future minimum lease payments under non-cancellable leases were as follows (in millions):
Operating LeasesFinance LeasesOperating LeasesFinance Leases
2021$323 $36 
2022210 32 
20232023134 28 2023$323 $37 
2024202496 29 2024213 37 
2025202570 27 2025106 36 
2026 and Beyond206 87 
2026202680 30 
2027202770 30 
2028 and Beyond2028 and Beyond172 65 
Total Lease PaymentsTotal Lease Payments1,039 239 Total Lease Payments964 235 
Less: Discount to Present ValueLess: Discount to Present Value103 27 Less: Discount to Present Value84 20 
Total Lease LiabilitiesTotal Lease Liabilities936 212 Total Lease Liabilities880 215 
Less: Current Portion of Lease LiabilitiesLess: Current Portion of Lease Liabilities295 31 Less: Current Portion of Lease Liabilities296 33 
Long-Term Lease LiabilitiesLong-Term Lease Liabilities$641 $181 Long-Term Lease Liabilities$584 $182 

At December 31, 2020,2022, EOG had additional leasesminimum lease payments of $100$622 million, which are expected to commence in 20212023 with lease terms of twoone to ninefifteen years.

Prior to the adoption of ASU 2016-02 and other related ASUs, the future minimum commitments under non-cancellable leases, including non-lease components and excluding contracts with lease terms of less than 12 months as December 31, 2018, were as follows (in millions):
Operating LeasesFinance Leases
2019$380 $15 
2020213 15 
202186 15 
202239 12 
202330 
2024 and Beyond62 14 
Total Lease Payments$810 $79 


F-42F-36

EOG RESOURCES, INC.
SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS
(In Thousands,Millions, Except Per Share Data, Unless Otherwise Indicated)
(Unaudited)

Oil and Gas Producing Activities

The following disclosures are made in accordance with Financial Accounting Standards Board Accounting Standards Update No. 2010-03 "Oil and Gas Reserve Estimation and Disclosures" and the United States Securities and Exchange Commission's (SEC) final rule on "Modernization of Oil and Gas Reporting."

Oil and Gas Reserves. Users of this information should be aware that the process of estimating quantities of "proved," "proved developed" and "proved undeveloped" crude oil, natural gas liquids (NGLs) and natural gas reserves is complex, requiring significant subjective decisions in the evaluation of available geological, engineering and economic data for each reservoir.  The data for a given reservoir may also change substantially over time as a result of numerous factors, including, but not limited to, additional development activity; evolving production history; crude oil and condensate, NGLNGLs and natural gas prices; and continual reassessment of the viability of production under varying economic conditions.  Consequently, material revisions (upward or downward) to existing reserve estimates may occur from time to time.  Although reasonable effort is made to ensure that reserve estimates reported represent the most accurate assessments possible, the significance of the subjective decisions required and variances in available data for various reservoirs make these estimates generally less precise than other estimates presented in connection with financial statement disclosures. For related discussion, see ITEM 1A, Risk Factors.

Proved reserves represent estimated quantities of crude oil, NGLs and natural gas, which, by analysis of geoscience and engineering data, can be estimated, with reasonable certainty, to be economically producible from a given date forward from known reservoirs under then-existing economic conditions, operating methods and government regulations before the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation.

Proved developed reserves are proved reserves expected to be recovered under operating methods being utilized at the time the estimates were made, through wells and equipment in place or if the cost of any required equipment is relatively minor compared to the cost of a new well.

Proved undeveloped reserves (PUDs) are reserves that are expected to be recovered from new wells on undrilled acreage, or from existing wells where a relatively major expenditure is required for completion or recompletion. Reserves on undrilled acreage are limited to those directly offsetting development spacing areas that are reasonably certain of production when drilled, unless evidence using reliable technology exists that establishes reasonable certainty of economic producibility at greater distances. PUDs can be recorded in respect of a particular undeveloped undrilled location only if the location is scheduled, under the then-current drilling and development plan, to be drilled within five years from the date that the PUDs were recorded, unless specific factors (such as those described in interpretative guidance issued by the Staff of the SEC) justify a longer timeframe.  Likewise, absent any such specific factors, PUDs associated with a particular undeveloped drilling location shall be removed from the estimates of proved reserves if the location is scheduled, under the then-current drilling and development plan, to be drilled on a date that is beyond five years from the date that the PUDs were recorded.  EOG has formulated development plans for all drilling locations associated with its PUDs at December 31, 2020.2022.  Under these plans, each PUD location will be drilled within five years from the date it wasthe associated PUDs were recorded.  Estimates for PUDs are not attributed to any acreage for which an application of fluid injection or other improved recovery technique is contemplated, unless such techniques have been proved effective by actual projects in the same reservoir or an analogous reservoir, or by other evidence using reliable technology establishing reasonable certainty.

In making estimates of PUDs, EOG's technical staff, including engineers and geoscientists, perform detailed technical analysis of each potential drilling location within its inventory of prospects.  In making a determination as to which of these locations would penetrate undrilled portions of the formation that can be judged, with reasonable certainty, to be continuous and contain economically producible crude oil, NGLs and natural gas, studies are conducted using numerous data elements and analysis techniques.  EOG's technical staff estimates the hydrocarbons in place by mapping the entirety of the play in question using seismic techniques, typically employing two-dimensional and three-dimensional data.  This analysis is integrated with other static data, including, but not limited to, core analysis, mechanical properties of the formation, thermal maturity indicators, and well logs of existing penetrations.  Highly specialized equipment is utilized to prepare rock samples in assessing microstructures which contribute to porosity and permeability.

Analysis of dynamic data is then incorporated to arrive at the estimated fractional recovery of hydrocarbons in place.  Data analysis techniques employed include, but are not limited to, well testing analysis, static bottom hole pressure analysis, flowing bottom hole pressure analysis, analysis of historical production trends, pressure transient analysis and rate transient analysis.  Application of proprietary rate transient analysis techniques in low permeability rocks allow for quantification of estimates of contribution to production from both fractures and rock matrix.
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The impact of optimal completion techniques is a key factor in determining if the PUDs reflected in prospective locations are reasonably certain of being economically producible.  EOG's technical staff estimates the recovery improvement that might be achieved when completing horizontal wells with multi-stage fracture stimulation.  In the early stages of development of a play, EOG determines the optimal length of the horizontal lateral and multi-stage fracture stimulation using the aforementioned analysis techniques along with pilot drilling programs and gathering of microseismic data.

The process of analyzing static and dynamic data, well completion optimization data and the results of early development activities provides the appropriate level of certainty as well as support for the economic producibility of the plays in which PUDs are reflected.  EOG has found this approach to be effective based on successful application in analogous reservoirs in low permeability resource plays.

Certain of EOG's Trinidad reserves are held under production sharing contracts where EOG's interest varies with prices and production volumes.  Trinidad reserves, as presented on a net basis, assume prices in existence at the time the estimates were made and EOG's estimate of future production volumes.  Future fluctuations in prices, production rates or changes in political or regulatory environments could cause EOG's share of future production from Trinidadian reserves to be materially different from that presented.

Estimates of proved reserves at December 31, 2020, 20192022, 2021 and 20182020 were based on studies performed by the engineering staff of EOG.  The Engineering and Acquisitions Department is directly responsible for EOG's reserve evaluation process and consists of 1716 professionals, all of whom hold, at a minimum, bachelor's degrees in engineering, and fourthree of whom are Registered Professional Engineers.  The Vice President, Engineering and Acquisitions is the manager of this department and is the primary technical person responsible for this process.  The Vice President, Engineering and Acquisitions holds a Bachelor of Science degree in Petroleum Engineering, has 3436 years of experience in reserve evaluations and is a Registered Professional Engineer.

EOG's reserves estimation process is a collaborative effort coordinated by the Engineering and Acquisitions Department in compliance with EOG's internal controls for such process.  Reserve information as well as models used to estimate such reserves are stored on secured databases.  Non-technical inputs used in reserve estimation models, including crude oil, NGLNGLs and natural gas prices, production costs, transportation costs, processing and applicable fractionation costs, future capital expenditures and EOG's net ownership percentages, are obtained from other departments within EOG.  EOG's Internal Audit Department conducts testing with respect to such non-technical inputs.  Additionally, EOG engages DeGolyer and MacNaughton (D&M), independent petroleum consultants, to perform independent reserves evaluation of select EOG properties comprising not less than 75% of EOG's estimates of proved reserves.  EOG's Board of Directors requires that D&M's and EOG's reserve quantities for the properties evaluated by D&M vary by no more than 5% in the aggregate.  Once completed, EOG's year-end reserves are presented to senior management, including the Chairman of the Board and Chief Executive Officer; the President and Chief Operating Officer; the President; the Executive Vice President,Presidents, Exploration and Production; and the Executive Vice President and Chief Financial Officer, for approval.

Opinions by D&M for the years ended December 31, 2020, 20192022, 2021 and 20182020 covered producing areas containing 83%80%, 82%78% and 79%83%, respectively, of proved reserves of EOG on a net-equivalent-barrel-of-oil basis.  D&M's opinions indicate that the estimates of proved reserves prepared by EOG's Engineering and Acquisitions Department for the properties reviewed by D&M, when compared in total on a net-equivalent-barrel-of-oil basis, do not differ materially from the estimates prepared by D&M.  Specifically, such estimates by D&M in the aggregate varied by not more than 5% from those prepared by the Engineering and Acquisitions Department of EOG.  All reports by D&M were developed utilizing geological and engineering data provided by EOG.  The report of D&M dated January 26, 2021,February 1, 2023, which contains further discussion of the reserve estimates and evaluations prepared by D&M, as well as the qualifications of D&M's technical person primarily responsible for overseeing such estimates and evaluations, is attached as Exhibit 99.1 to this Annual Report on Form 10-K and incorporated herein by reference.

No major discovery or other favorable or adverse event subsequent to December 31, 2020,2022, is believed to have caused a material change in the estimates of net proved reserves as of that date.

The following tables set forth EOG's net proved reserves at December 31 for each of the four years in the period ended December 31, 2020,2022, and the changes in the net proved reserves for each of the three years in the period ended December 31, 2020,2022, as estimated by the Engineering and Acquisitions Department of EOG:
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NET PROVED RESERVE SUMMARY
United
States
Trinidad
Other
International (1)
Total United
States
Trinidad
Other
International (1)
Total
NET PROVED RESERVESNET PROVED RESERVESNET PROVED RESERVES
Crude Oil (MBbl) (2)
Net proved reserves at December 31, 20171,304,071 898 8,004 1,312,973 
Revisions of previous estimates(13,237)(183)44 (13,376)
Purchases in place2,743 2,743 
Extensions, discoveries and other additions383,003 15 383,018 
Sales in place(768)(6,310)(7,078)
Production(144,128)(298)(1,542)(145,968)
Net proved reserves at December 31, 20181,531,684 417 211 1,532,312 
Revisions of previous estimates(42,959)85 (8)(42,882)
Purchases in place2,859 2,859 
Extensions, discoveries and other additions369,968 28 369,996 
Sales in place(1,282)(1,282)
Production(166,310)(236)(40)(166,586)
Crude Oil (MMBbl) (2)
Crude Oil (MMBbl) (2)
Net proved reserves at December 31, 2019Net proved reserves at December 31, 20191,693,960 266 191 1,694,417 Net proved reserves at December 31, 20191,694 — — 1,694 
Revisions of previous estimatesRevisions of previous estimates(225,375)(19)(18)(225,412)Revisions of previous estimates(225)— — (225)
Purchases in placePurchases in place2,176 2,176 Purchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions194,724 863 195,587 Extensions, discoveries and other additions194 — 195 
Sales in placeSales in place(3,183)(3,183)Sales in place(3)— — (3)
ProductionProduction(149,402)(355)(30)(149,787)Production(149)— — (149)
Net proved reserves at December 31, 2020Net proved reserves at December 31, 20201,512,900 755 143 1,513,798 Net proved reserves at December 31, 20201,513 — 1,514 
Natural Gas Liquids (MBbl) (2)
    
Net proved reserves at December 31, 2017503,473 503,473 
Revisions of previous estimatesRevisions of previous estimates23,942 23,942 Revisions of previous estimates(116)— — (116)
Purchases in placePurchases in place2,006 2,006 Purchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions127,409 127,409 Extensions, discoveries and other additions311 — 312 
Sales in placeSales in place(41)(41)Sales in place(2)— — (2)
ProductionProduction(42,460)(42,460)Production(162)— — (162)
Net proved reserves at December 31, 2018614,329 614,329 
Net proved reserves at December 31, 2021Net proved reserves at December 31, 20211,546 — 1,548 
Revisions of previous estimatesRevisions of previous estimates5,380 5,380 Revisions of previous estimates120 — — 120 
Purchases in placePurchases in place1,948 1,948 Purchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions167,782 167,782 Extensions, discoveries and other additions175 — — 175 
Sales in placeSales in place(855)(855)Sales in place(21)— — (21)
ProductionProduction(48,892)(48,892)Production(168)— — (168)
Net proved reserves at December 31, 2022Net proved reserves at December 31, 20221,659 2  1,661 
Natural Gas Liquids (MMBbl) (2)
Natural Gas Liquids (MMBbl) (2)
    
Net proved reserves at December 31, 2019Net proved reserves at December 31, 2019739,692 739,692 Net proved reserves at December 31, 2019740 — — 740 
Revisions of previous estimatesRevisions of previous estimates(59,790)(59,790)Revisions of previous estimates(60)— — (60)
Purchases in placePurchases in place3,831 3,831 Purchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions180,205 180,205 Extensions, discoveries and other additions180 — — 180 
Sales in placeSales in place(1,399)(1,399)Sales in place(1)— — (1)
ProductionProduction(49,796)(49,796)Production(50)— — (50)
Net proved reserves at December 31, 2020Net proved reserves at December 31, 2020812,743 0 0 812,743 Net proved reserves at December 31, 2020813 — — 813 
Revisions of previous estimatesRevisions of previous estimates(128)— — (128)
Purchases in placePurchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions194 — — 194 
Sales in placeSales in place— — — — 
ProductionProduction(53)— — (53)
Net proved reserves at December 31, 2021Net proved reserves at December 31, 2021829 — — 829 
Revisions of previous estimatesRevisions of previous estimates258 — — 258 
Purchases in placePurchases in place— — 
Extensions, discoveries and other additionsExtensions, discoveries and other additions140 — — 140 
Sales in placeSales in place(14)— — (14)
ProductionProduction(72)— — (72)
Net proved reserves at December 31, 2022Net proved reserves at December 31, 20221,145   1,145 
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United
States
Trinidad
Other
International (1)
Total United
States
Trinidad
Other
International (1)
Total
Natural Gas (Bcf) (3)
Natural Gas (Bcf) (3)
Natural Gas (Bcf) (3)
Net proved reserves at December 31, 20173,898.5 313.4 51.2 4,263.1 
Revisions of previous estimates(127.2)20.7 15.0 (91.5)
Purchases in place41.3 41.3 
Extensions, discoveries and other additions951.4 4.6 956.0 
Sales in place(22.2)(22.2)
Production(351.2)(97.1)(11.2)(459.5)
Net proved reserves at December 31, 20184,390.6 237.0 59.6 4,687.2 
Revisions of previous estimates(184.4)47.0 2.6 (134.8)
Purchases in place71.7 71.7 
Extensions, discoveries and other additions1,175.9 87.5 9.7 1,273.1 
Sales in place(14.5)(14.5)
Production(404.5)(95.4)(13.1)(513.0)
Net proved reserves at December 31, 2019Net proved reserves at December 31, 20195,034.8 276.1 58.8 5,369.7 Net proved reserves at December 31, 20195,035 276 59 5,370 
Revisions of previous estimatesRevisions of previous estimates(497.7)4.8 1.6 (491.3)Revisions of previous estimates(498)(492)
Purchases in placePurchases in place26.3 26.3 Purchases in place26 — — 26 
Extensions, discoveries and other additionsExtensions, discoveries and other additions1,077.9 53.9 1,131.8 Extensions, discoveries and other additions1,078 54 — 1,132 
Sales in placeSales in place(157.3)(157.3)Sales in place(157)— — (157)
ProductionProduction(441.4)(65.9)(11.6)(518.9)Production(441)(66)(12)(519)
Net proved reserves at December 31, 2020Net proved reserves at December 31, 20205,042.6 268.9 48.8 5,360.3 Net proved reserves at December 31, 20205,043 269 48 5,360 
Oil Equivalents (MBoe) (2)
    
Net proved reserves at December 31, 20172,457,302 53,142 16,526 2,526,970 
Revisions of previous estimatesRevisions of previous estimates(10,500)3,272 2,544 (4,684)Revisions of previous estimates754 26 783 
Purchases in placePurchases in place11,640 11,640 Purchases in place23 — — 23 
Extensions, discoveries and other additionsExtensions, discoveries and other additions668,972 778 669,750 Extensions, discoveries and other additions2,574 100 — 2,674 
Sales in placeSales in place(4,509)(6,310)(10,819)Sales in place(4)— (48)(52)
ProductionProduction(245,127)(16,478)(3,406)(265,011)Production(483)(80)(3)(566)
Net proved reserves at December 31, 20182,877,778 39,936 10,132 2,927,846 
Net proved reserves at December 31, 2021Net proved reserves at December 31, 20217,907 315 — 8,222 
Revisions of previous estimatesRevisions of previous estimates(68,317)7,915 431 (59,971)Revisions of previous estimates(271)18 — (253)
Purchases in placePurchases in place16,761 16,761 Purchases in place32 — — 32 
Extensions, discoveries and other additionsExtensions, discoveries and other additions733,730 14,577 1,661 749,968 Extensions, discoveries and other additions1,414 51 — 1,465 
Sales in placeSales in place(4,555)(4,555)Sales in place(316)— — (316)
ProductionProduction(282,619)(16,130)(2,232)(300,981)Production(493)(66)— (559)
Net proved reserves at December 31, 20193,272,778 46,298 9,992 3,329,068 
Revisions of previous estimates(368,127)773 259 (367,095)
Purchases in place10,398 10,398 
Extensions, discoveries and other additions554,585 9,840 564,425 
Sales in place(30,802)(30,802)
Production(272,757)(11,347)(1,969)(286,073)
Net proved reserves at December 31, 20203,166,075 45,564 8,282 3,219,921 
Net proved reserves at December 31, 2022Net proved reserves at December 31, 20228,273 318  8,591 

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SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

United StatesTrinidad
Other International (1)
Total
Oil Equivalents (MMBoe) (2)
    
Net proved reserves at December 31, 20193,273 46 10 3,329 
Revisions of previous estimates (4)
(368)— (367)
Purchases in place10 — — 10 
Extensions, discoveries and other additions (5)
554 10 — 564 
Sales in place(31)— — (31)
Production(272)(11)(2)(285)
Net proved reserves at December 31, 20203,166 46 3,220 
Revisions of previous estimates (4)
(118)— (114)
Purchases in place— — 
Extensions, discoveries and other additions (6)
934 18 — 952 
Sales in place(3)— (8)(11)
Production(295)(14)— (309)
Net proved reserves at December 31, 20213,693 54 — 3,747 
Revisions of previous estimates (4)
333 — 336 
Purchases in place16 — — 16 
Extensions, discoveries and other additions (7)
551 — 560 
Sales in place(88)— — (88)
Production(322)(11)— (333)
Net proved reserves at December 31, 20224,183 55  4,238 
(1)Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
(2)ThousandMillion barrels or thousandmillion barrels of oil equivalent, as applicable; oil equivalents include crude oil and condensate, NGLs and natural gas. Oil equivalents are determined using a ratio of 1.0 barrel of crude oil and condensate or NGLs to 6.0 thousand cubic feet of natural gas.
(3)Billion cubic feet.
(4)See "Reconciliation of Revisions of Previous Estimates" below for additional discussion.
(5)Change in net proved reserves for the year ended December 31, 2020, attributable to extensions, discoveries and other additions was 108 MMBoe greater than the corresponding change in PUDs for such year. Such difference represents new proved developed reserves attributable to wells drilled during 2020, primarily in the Permian Basin, that did not have any associated PUDs recorded at the beginning of 2020. The reserves added as new PUDs for the year ended December 31, 2020, attributable to extensions and discoveries were 456 MMBoe and were primarily in the Permian Basin. See "Net Proved Undeveloped Reserves" below.
(6)Change in net proved reserves for the year ended December 31, 2021, attributable to extensions, discoveries and other additions was 173 MMBoe greater than the corresponding change in PUDs for such year. Such difference represents new proved developed reserves attributable to wells drilled during 2021, primarily in the Permian Basin, that did not have any associated PUDs recorded at the beginning of 2021. The reserves added as new PUDs for the year ended December 31, 2021, attributable to extensions and discoveries were 779 MMBoe and were primarily in the Permian Basin. See "Net Proved Undeveloped Reserves" below.
(7)Change in net proved reserves for the year ended December 31, 2022, attributable to extensions, discoveries and other additions was 150 MMBoe greater than the corresponding change in PUDs for such year. Such difference represents new proved developed reserves attributable to wells drilled during 2022, primarily in the Permian Basin and Gulf Coast Basin, that did not have any associated PUDs recorded at the beginning of 2022. The reserves added as new PUDs for the year ended December 31, 2022, attributable to extensions and discoveries were 410 MMBoe and were primarily in the Permian Basin. See "Net Proved Undeveloped Reserves" below.



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EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

During 2020,2022, EOG added 564560 million barrels of oil equivalent (MMBoe) of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin and Gulf Coast Basin.  Approximately 56% of the 2022 reserve additions were crude oil and condensate and NGLs, and substantially all were in the United States.  Sales in place of 88 MMBoe were primarily related to the sale of assets in the Rocky Mountain area and the Anadarko Basin and the sale or exchange of other producing assets. Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates. Purchases in place of 16 MMBoe were primarily related to the Permian Basin and the purchase or exchange of other producing assets.

During 2021, EOG added 952 MMBoe of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin. Approximately 53% of the 2021 reserve additions were crude oil and condensate and NGLs, and substantially all were in the United States. Sales in place of 11 MMBoe were primarily related to the sale of the China assets and the sale or exchange of other producing assets.Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates. Purchases in place of 9 MMBoe were primarily related to the Permian Basin and the purchase or exchange of other producing assets.

During 2020, EOG added 564 MMBoe of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin. Approximately 67% of the 2020 reserve additions were crude oil and condensate and NGLs, and substantially all were in the United States. Sales in place of 31 MMBoe were primarily related to the sale of the Marcellus Shale assets and the sale or exchange of other producing assets.Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates of negative 367 MMBoe for 2020 included a downward revision of 278 MMBoe primarily due to decreases in the average crude oil, NGLs and natural gas prices used in the December 31, 2020, reserves estimation as compared to the prices used in the prior year estimate. The primary areas affected were the Eagle Ford and the Rocky Mountain area.estimates. Purchases in place of 10 MMBoe were primarily related to the Permian Basin and the purchase or exchange of other producing assets.

During 2019, EOG added 750 MMBoe of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin, the Eagle Ford and the Rocky Mountain area.  Approximately 72% of the 2019 reserve additions were crude oil and condensate and NGLs, and substantially all were in the United States.  Sales in place of 5 MMBoe were primarily related to the sale of certain South Texas area operations and the sale or exchange of other producing assets. Revisions of previous estimates of negative 60 MMBoe for 2019 included a decrease in the average crude oil, NGLs and natural gas prices used in the December 31, 2019, reserves estimation as compared to the prices used in the prior year estimate. The primary area affected was the Rocky Mountain area. Purchases in place of 17 MMBoe were primarily related to the South Texas area.

During 2018, EOG added 670 MMBoe of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin, the Eagle Ford, the Rocky Mountain area and the Mid-Continent area.  Approximately 76% of the 2018 reserve additions were crude oil and condensate and NGLs, and substantially all were in the United States.  Sales in place of 11 MMBoe were primarily related to the sale of the United Kingdom operations and the sale or exchange of other producing assets. Revisions of previous estimates of negative 5 MMBoe for 2018 included an upward revision of 35 MMBoe primarily due to increases in the average crude oil, NGLs and natural gas prices used in the December 31, 2018, reserves estimation as compared to the prices used in the prior year estimate. The primary areas affected were in the Rocky Mountain area, the Eagle Ford and the Permian Basin. Downward revisions other than price of 40 MMBoe resulted primarily from changes in production forecasts and higher production costs. Purchases in place of 12 MMBoe were primarily related to the South Texas area.



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EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

 United
States
Trinidad
Other
International (1)
Total
NET PROVED DEVELOPED RESERVES
Crude Oil (MBbl)
December 31, 2017605,405 898 7,933 614,236 
December 31, 2018712,218 417 150 712,785 
December 31, 2019801,189 266 143 801,598 
December 31, 2020791,744 755 93 792,592 
Natural Gas Liquids (MBbl)    
December 31, 2017286,872 286,872 
December 31, 2018341,386 341,386 
December 31, 2019387,253 387,253 
December 31, 2020391,708 391,708 
Natural Gas (Bcf)    
December 31, 20172,450.8 299.2 29.3 2,779.3 
December 31, 20182,699.0 223.9 40.9 2,963.8 
December 31, 20192,974.6 177.7 41.8 3,194.1 
December 31, 20202,586.1 171.1 31.6 2,788.8 
Oil Equivalents (MBoe)    
December 31, 20171,300,758 50,779 12,798 1,364,335 
December 31, 20181,503,441 37,746 6,950 1,548,137 
December 31, 20191,684,209 29,886 7,117 1,721,212 
December 31, 20201,614,462 29,268 5,368 1,649,098 
NET PROVED UNDEVELOPED RESERVES    
Crude Oil (MBbl)    
December 31, 2017698,666 71 698,737 
December 31, 2018819,466 61 819,527 
December 31, 2019892,771 48 892,819 
December 31, 2020721,156 50 721,206 
Natural Gas Liquids (MBbl)    
December 31, 2017216,601 216,601 
December 31, 2018272,943 272,943 
December 31, 2019352,439 352,439 
December 31, 2020421,035 421,035 
Natural Gas (Bcf)    
December 31, 20171,447.7 14.2 21.9 1,483.8 
December 31, 20181,691.6 13.1 18.7 1,723.4 
December 31, 20192,060.2 98.4 17.0 2,175.6 
December 31, 20202,456.5 97.8 17.2 2,571.5 
Oil Equivalents (MBoe)    
December 31, 20171,156,544 2,363 3,728 1,162,635 
December 31, 20181,374,337 2,190 3,182 1,379,709 
December 31, 20191,588,569 16,412 2,875 1,607,856 
December 31, 20201,551,613 16,296 2,914 1,570,823 
 United
States
Trinidad
Other
International (1)
Total
NET PROVED DEVELOPED RESERVES
Crude Oil (MMBbl)
December 31, 2019801 — — 801 
December 31, 2020792 — 793 
December 31, 2021886 — — 886 
December 31, 2022948 — 948 
Natural Gas Liquids (MMBbl)    
December 31, 2019387 — — 387 
December 31, 2020392 — — 392 
December 31, 2021416 — — 416 
December 31, 2022561 — — 561 
Natural Gas (Bcf)    
December 31, 20192,974 178 42 3,194 
December 31, 20202,586 171 32 2,789 
December 31, 20213,743 131 — 3,874 
December 31, 20223,920 137 — 4,057 
Oil Equivalents (MMBoe)    
December 31, 20191,684 30 1,721 
December 31, 20201,614 30 1,649 
December 31, 20211,926 22 — 1,948 
December 31, 20222,162 23 — 2,185 
NET PROVED UNDEVELOPED RESERVES    
Crude Oil (MMBbl)    
December 31, 2019893 — — 893 
December 31, 2020721 — — 721 
December 31, 2021660 — 662 
December 31, 2022711 — 713 
Natural Gas Liquids (MMBbl)    
December 31, 2019353 — — 353 
December 31, 2020421 — — 421 
December 31, 2021413 — — 413 
December 31, 2022584 — — 584 
Natural Gas (Bcf)    
December 31, 20192,061 98 17 2,176 
December 31, 20202,457 98 16 2,571 
December 31, 20214,164 184 — 4,348 
December 31, 20224,353 181 — 4,534 
Oil Equivalents (MMBoe)    
December 31, 20191,589 16 1,608 
December 31, 20201,552 16 1,571 
December 31, 20211,767 32 — 1,799 
December 31, 20222,021 32 — 2,053 
(1)Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
F-48F-43

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Net Proved Undeveloped Reserves. The following table presents the changes in EOG's total PUDs during 2022, 2021 and 2020 2019 and 2018 (in MBoe)MMBoe):
202020192018 202220212020
Balance at January 1Balance at January 11,607,856 1,379,709 1,162,635 Balance at January 11,799 1,571 1,608 
Extensions and Discoveries(1)Extensions and Discoveries(1)456,073 578,317 490,725 Extensions and Discoveries(1)410 779 456 
Revisions(2)Revisions(2)(277,325)(49,837)(8,244)Revisions(2)141 (305)(277)
Acquisition of ReservesAcquisition of Reserves47 1,711 311 Acquisition of Reserves10 — — 
Sale of ReservesSale of Reserves(3,670)Sale of Reserves(14)(3)(4)
Conversion to Proved Developed ReservesConversion to Proved Developed Reserves(212,158)(302,044)(265,718)Conversion to Proved Developed Reserves(293)(243)(212)
Balance at December 31Balance at December 311,570,823 1,607,856 1,379,709 Balance at December 312,053 1,799 1,571 
(1)See "Net Proved Reserves" table and accompanying notes above for additional discussion regarding changes in reserves attributable to extensions, discoveries and other additions.
(2)See "Reconciliation of Revisions of Previous Estimates" below for additional discussion.

For the twelve-month period ended December 31, 2022, total PUDs increased by 254 MMBoe to 2,053 MMBoe.  EOG added approximately 25 MMBoe of PUDs through drilling activities where the wells were drilled but significant expenditures remained for completion.  Based on the technology employed by EOG to identify and record PUDs (see discussion of technology employed on pages F-38 and F-39 of this Annual Report on Form 10-K), EOG added 385 MMBoe of PUDs.  The PUD additions were primarily in the Permian Basin and 57% of the additions were crude oil and condensate and NGLs.  During 2022, EOG drilled and transferred 293 MMBoe of PUDs to proved developed reserves at a total capital cost of $2,286 million. Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates. All PUDs, including drilled but uncompleted wells (DUCs), are scheduled for completion within five years of the original reserve booking.

For the twelve-month period ended December 31, 2021, total PUDs increased by 228 MMBoe to 1,799 MMBoe.  EOG added approximately 40 MMBoe of PUDs through drilling activities where the wells were drilled but significant expenditures remained for completion.  Based on the technology employed by EOG to identify and record PUDs, EOG added 739 MMBoe of PUDs.  The PUD additions were primarily in the Permian Basin and 52% of the additions were crude oil and condensate and NGLs.  During 2021, EOG drilled and transferred 243 MMBoe of PUDs to proved developed reserves at a total capital cost of $1,619 million. Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates. All PUDs, including drilled but uncompleted wells (DUCs), are scheduled for completion within five years of the original reserve booking.

For the twelve-month period ended December 31, 2020, total PUDs decreased by 37 MMBoe to 1,571 MMBoe.  EOG added approximately 7 MMBoe of PUDs through drilling activities where the wells were drilled but significant expenditures remained for completion.  Based on the technology employed by EOG to identify and record PUDs, (see discussion of technology employed on pages F-43 and F-44 of this Annual Report on Form 10-K), EOG added 449 MMBoe of PUDs.  The PUD additions were primarily in the Permian Basin and 67% of the additions were crude oil and condensate and NGLs.  During 2020, EOG drilled and transferred 212 MMBoe of PUDs to proved developed reserves at a total capital cost of $1,674 million. Refer to "Reconciliation of Revisions of Previous Estimates" below for factors impacting revisions of previous estimates of negative 277 MMBoe of PUDs for 2020 included a downward price revision of 77 MMBoe due to decreases in the average crude oil, NGLs and natural gas prices used in the December 31, 2020, reserves estimation as compared to the prices used in the prior year estimate.  Revisions other than price of negative 200 MMBoe were primarily related to the removal of PUD locations due to lower projected capital spending over the next five years as compared to the prior year projections.estimates. The primary areas affected were the Eagle Ford play and the Rocky Mountain area. All PUDs, including drilled but uncompleted wells (DUCs), are scheduled for completion within five years of the original reserve booking.

For the twelve-month period ended December 31, 2019, total PUDs increased by 228 MMBoe to 1,608 MMBoe.  EOG added approximately 38 MMBoe of PUDs through drilling activities where the wells were drilled but significant expenditures remained for completion.  Based on the technology employed by EOG to identify and record PUDs, EOG added 540 MMBoe.  The PUD additions were primarily in the Permian Basin, the Eagle Ford and, to a lesser extent, the Rocky Mountain area, and 73% of the additions were crude oil and condensate and NGLs.  During 2019, EOG drilled and transferred 302 MMBoe of PUDs to proved developed reserves at a total capital cost of $3,032 million. 

For the twelve-month period ended December 31, 2018, total PUDs increased by 217 MMBoe to 1,380 MMBoe.  EOG added approximately 31 MMBoe of PUDs through drilling activities where the wells were drilled but significant expenditures remained for completion.  Based on the technology employed by EOG to identify and record PUDs, EOG added 460 MMBoe.  The PUD additions were primarily in the Permian Basin, Anadarko Basin, the Eagle Ford and, to a lesser extent, the Rocky Mountain area, and 80% of the additions were crude oil and condensate and NGLs.  During 2018, EOG drilled and transferred 266 MMBoe of PUDs to proved developed reserves at a total capital cost of $2,745 million. 


F-49F-44

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Reconciliation of Revisions of Previous Estimates. As an initial step in determining the revisions to be made to EOG's net proved reserves estimates for the prior year-end, EOG's technical staff reviews its updated drilling and development plan. As discussed above, if under such plan an undeveloped drilling location for which PUD reserves were previously recorded will not be drilled within five years from the date that the PUD reserves were recorded, such PUD reserves are removed from EOG's estimates of net proved reserves. To the extent EOG's updated drilling and development plan includes new proved locations, the proved reserves associated with such locations are incorporated into EOG's estimates of net proved reserves.

Pursuant to such process, EOG's technical staff included a net positive revision of 79 MMBoe of PUD reserves to its net proved reserves for the year ended December 31, 2022 and a negative revision of 250 MMBoe and 294 MMBoe of PUD reserves from its net proved reserves for the years ended December 31, 2021 and 2020, respectively.

EOG's technical staff then evaluates the following six inter-related factors (in the order indicated below) in respect of the net proved reserves associated with each of its well locations:

crude oil, NGLs and natural gas prices;
EOG's well performance forecasts;
marketing-related changes (i.e., relating to the sale of EOG's production);
changes in EOG's ownership interests (in its well locations);
operating expenses, including lease operating expenses, transportation costs and gathering and processing costs (collectively, Opex) and changes therein; and
investments in future wells and/or recompletions and changes therein.

EOG's evaluation of such inter-related factors resulted in the following revisions to its net proved reserves and net PUD reserves for the years ended December 31, 2022, 2021 and 2020.

F-45

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Year Ended December 31, 2022
Review of Updated PlanRevision to Net Proved Reserves (MMBoe)Revision to Net PUD Reserves (MMBoe)Explanation
Revision related to addition of PUD reserves pursuant to review of updated drilling and development plan7979See above related discussion.
Evaluation of Inter-Related Factors
Prices for crude oil, NGLs and natural gas112Upward revisions attributable to an increase in the average prices used in EOG's year-end 2022 reserves estimates as compared to the average prices used in EOG's year-end 2021 reserves estimates.
Well performance forecasts104(9)Revisions attributable to EOG's forecasted changes in well performance in certain locations.
Marketing-related changes (e.g., ethane recovery elections) relating to the sale of production15168Upward revisions attributable to EOG's "ethane recovery" elections during 2022 - that is, EOG's elections to increase receipt of ethane (an NGL) from the natural gas stream and reduce the total volume of residue natural gas at the tailgate of the processing plant. The additional NGL reserves attributable to such elections outweigh the lower natural gas reserves.
Ownership interest changes(2)1Revisions attributable to ownership interest changes.
Changes in Opex(7)0Downward revision attributable to increased Opex, resulting in a decrease in reserves that are economically producible.
Net Revisions Attributable to Inter-Related Factors25762
Total Revisions336141
F-46

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Year Ended December 31, 2021
Review of Updated PlanRevision to Net Proved Reserves (MMBoe)Revision to Net PUD Reserves (MMBoe)Explanation
Revision related to removal of PUD reserves pursuant to review of updated drilling and development plan(250)(250)See above related discussion.
Evaluation of Inter-Related Factors
Prices for crude oil, NGLs and natural gas19429Upward revisions attributable to an increase in the average prices used in EOG's year-end 2021 reserves estimates as compared to the average prices used in EOG's year-end 2020 reserves estimates.
Well performance forecasts(13)(51)Downward revisions attributable to EOG's forecasted decrease in well performance in certain locations.
Marketing-related changes (e.g., ethane rejection elections) relating to the sale of production(69)(38)Downward revisions attributable to EOG's "ethane rejection" elections during 2021 - that is, EOG's elections to reduce receipt of ethane (an NGL) from the natural gas stream and instead receive residue natural gas (that includes ethane) at the tailgate of the processing plant. The additional natural gas reserves attributable to such elections are outweighed by lower NGLs reserves.
Ownership interest changes80Upward revision attributable to ownership interest changes.
Changes in Opex165Upward revisions attributable to improved/lower Opex, resulting in an increase in reserves that are economically producible.
Net Revisions Attributable to Inter-Related Factors136(55)
Total Revisions(114)(305)


F-47

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Year Ended December 31, 2020
Review of Updated PlanRevision to Net Proved Reserves (MMBoe)Revision to Net PUD Reserves (MMBoe)Explanation
Revision related to removal of PUD reserves pursuant to review of updated drilling and development plan(294)(294)See above related discussion.
Evaluation of Inter-Related Factors
Prices for crude oil, NGLs and natural gas(278)(77)Downward revisions attributable to a decrease in the average prices used in EOG's year-end 2020 reserves estimates as compared to the average prices used in EOG's year-end 2019 reserves estimates.
Well performance forecasts2611Upward revisions attributable to EOG's forecasted increase in well performance in certain locations.
Ownership interest changes4125Upward revisions attributable to ownership interest changes.
Changes in Opex9328Upward revisions attributable to improved/lower Opex, resulting in an increase in reserves that are economically producible.
Investment Changes4530Changes in future investments in wells and/or recompletions.
Net Revisions Attributable to Inter-Related Factors(73)17
Total Revisions(367)(277)

F-48

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Capitalized Costs Relating to Oil and Gas Producing Activities.  The following table sets forth the capitalized costs relating to EOG's crude oil, NGLs and natural gas producing activities at December 31, 20202022 and 2019:2021 (in millions):
20202019 20222021
Proved propertiesProved properties$61,724,487 $59,229,686 Proved properties$64,657 $64,876 
Unproved propertiesUnproved properties3,068,311 3,600,729 Unproved properties2,665 2,768 
TotalTotal64,792,798 62,830,415 Total67,322 67,644 
Accumulated depreciation, depletion and amortizationAccumulated depreciation, depletion and amortization(38,750,852)(35,033,085)Accumulated depreciation, depletion and amortization(40,791)(41,907)
Net capitalized costsNet capitalized costs$26,041,946 $27,797,330 Net capitalized costs$26,531 $25,737 

Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities.  The acquisition, exploration and development costs disclosed in the following tables are in accordance with definitions in the Extractive Industries - Oil and Gas Topic of the Accounting Standards Codification (ASC).

Acquisition costs include costs incurred to purchase, lease or otherwise acquire property.

Exploration costs include additions to exploratory wells, including those in progress, and exploration expenses.

Development costs include additions to production facilities and equipment and additions to development wells, including those in progress.

F-50F-49

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table sets forth costs incurred related to EOG's oil and gas activities for the years ended December 31, 2022, 2021 and 2020 2019 and 2018:(in millions):
United
States
Trinidad
Other
International (1)
Total United
States
Trinidad
Other
International (1)
Total
2020
20222022
Acquisition Costs of PropertiesAcquisition Costs of PropertiesAcquisition Costs of Properties
Unproved (2)
Unproved (2)
$264,778 $$$264,778 
Unproved (2)
$186 $— $— $186 
Proved (3)
Proved (3)
97,073 38,089 135,162 
Proved (3)
419 — — 419 
SubtotalSubtotal361,851 38,089 399,940 Subtotal605 — — 605 
Exploration CostsExploration Costs203,403 81,216 11,409 296,028 Exploration Costs263 84 17 364 
Development Costs (4)
Development Costs (4)
2,998,155 4,036 20,072 3,022,263 
Development Costs (4)
4,106 145 4,260 
TotalTotal$3,563,409 $85,252 $69,570 $3,718,231 Total$4,974 $229 $26 $5,229 
2019    
20212021    
Acquisition Costs of PropertiesAcquisition Costs of Properties    Acquisition Costs of Properties    
Unproved (5)
Unproved (5)
$276,092 $$$276,092 
Unproved (5)
$207 $— $$215 
Proved (6)
Proved (6)
379,938 379,938 
Proved (6)
100 — — 100 
SubtotalSubtotal656,030 656,030 Subtotal307 — 315 
Exploration CostsExploration Costs213,505 46,616 13,218 273,339 Exploration Costs296 51 354 
Development Costs (7)
Development Costs (7)
5,661,753 25,007 12,096 5,698,856 
Development Costs (7)
3,206 77 17 3,300 
TotalTotal$6,531,288 $71,623 $25,314 $6,628,225 Total$3,809 $84 $76 $3,969 
2018    
20202020    
Acquisition Costs of PropertiesAcquisition Costs of Properties    Acquisition Costs of Properties    
Unproved (8)
Unproved (8)
$486,081 $1,258 $$487,339 
Unproved (8)
$265 $— $— $265 
Proved (9)
Proved (9)
123,684 123,684 
Proved (9)
97 — 38 135 
SubtotalSubtotal609,765 1,258 611,023 Subtotal362 — 38 400 
Exploration CostsExploration Costs157,222 22,511 13,895 193,628 Exploration Costs203 81 12 296 
Development Costs (10)
Development Costs (10)
5,605,264 (12,863)22,628 5,615,029 
Development Costs (10)
2,998 20 3,022 
TotalTotal$6,372,251 $10,906 $36,523 $6,419,680 Total$3,563 $85 $70 $3,718 
(1)Other International primarily consists of EOG's United Kingdom, China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began an exploration programprograms in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The United Kingdom operations were solddecision was reached in the fourth quarter of 2018.2021 to exit Block 36 and Block 49 in Oman.
(2)Includes non-cash unproved leasehold acquisition costs of $127 million related to property exchanges.
(3)Includes non-cash proved property acquisition costs of $26 million related to property exchanges.
(4)Includes Asset Retirement Costs of $208 million, $81 million and $9 million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
(5)Includes non-cash unproved leasehold acquisition costs of $45 million related to property exchanges.
(6)Includes non-cash proved property acquisition costs of $5 million related to property exchanges.
(7)Includes Asset Retirement Costs of $86 million, $24 million and $17 million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
(8)Includes non-cash unproved leasehold acquisition costs of $197 million related to property exchanges.
(3)(9)Includes non-cash proved property acquisition costs of $15 million related to property exchanges.
(4)(10)Includes Asset Retirement Costs of $97 million and $20 million for the United States and Other International, respectively.  Excludes other property, plant and equipment.
(5)Includes non-cash unproved leasehold acquisition costs of $98 million related to property exchanges.
(6)Includes non-cash proved property acquisition costs of $52 million related to property exchanges.
(7)Includes Asset Retirement Costs of $181 million, $1 million and $4 million for the United States, Trinidad and Other International, respectively. Excludes other property, plant and equipment.
(8)Includes non-cash unproved leasehold acquisition costs of $291 million related to property exchanges.
(9)Includes non-cash proved property acquisition costs of $71 million related to property exchanges.
(10)Includes Asset Retirement Costs of $90 million, $(12) million and $(8) million for the United States, Trinidad and Other International, respectively.  Excludes other property, plant and equipment.


F-51F-50

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Results of Operations for Oil and Gas Producing Activities (1). The following table sets forth results of operations for oil and gas producing activities for the years ended December 31, 2022, 2021 and 2020 2019 and 2018:(in millions):
United
States
Trinidad
Other
International (2)
TotalUnited
States
Trinidad
Other
International (2)
Total
20222022
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas RevenuesCrude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$22,486 $310 $— $22,796 
OtherOther118 — — 118 
TotalTotal22,604 310 — 22,914 
Exploration CostsExploration Costs145 10 159 
Dry Hole CostsDry Hole Costs22 21 45 
Transportation CostsTransportation Costs966 — — 966 
Gathering and Processing CostsGathering and Processing Costs621 — — 621 
Production CostsProduction Costs2,833 41 2,876 
ImpairmentsImpairments340 28 14 382 
Depreciation, Depletion and AmortizationDepreciation, Depletion and Amortization3,314 72 — 3,386 
Income (Loss) Before Income TaxesIncome (Loss) Before Income Taxes14,363 144 (28)14,479 
Income Tax ProvisionIncome Tax Provision3,129 60 (2)3,187 
Results of OperationsResults of Operations$11,234 $84 $(26)$11,292 
20212021    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas RevenuesCrude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$15,062 $301 $18 $15,381 
OtherOther108 — — 108 
TotalTotal15,170 301 18 15,489 
Exploration CostsExploration Costs137 12 154 
Dry Hole CostsDry Hole Costs29 — 42 71 
Transportation CostsTransportation Costs863 — — 863 
Gathering and Processing CostsGathering and Processing Costs559 — — 559 
Production CostsProduction Costs2,108 39 2,155 
ImpairmentsImpairments312 61 376 
Depreciation, Depletion and AmortizationDepreciation, Depletion and Amortization3,411 87 3,504 
Income (Loss) Before Income TaxesIncome (Loss) Before Income Taxes7,751 167 (111)7,807 
Income Tax ProvisionIncome Tax Provision1,690 73 (1)1,762 
Results of OperationsResults of Operations$6,061 $94 $(110)$6,045 
202020202020    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas RevenuesCrude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$7,055,098 $179,690 $55,468 $7,290,256 Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$7,056 $180 $55 $7,291 
OtherOther60,989 (35)60,954 Other60 — — 60 
TotalTotal7,116,087 179,655 55,468 7,351,210 Total7,116 180 55 7,351 
Exploration CostsExploration Costs136,266 1,909 7,613 145,788 Exploration Costs136 146 
Dry Hole CostsDry Hole Costs13,055 28 13,083 Dry Hole Costs13 — — 13 
Transportation CostsTransportation Costs734,071 747 171 734,989 Transportation Costs734 — 735 
Gathering and Processing CostsGathering and Processing Costs459,211 459,211 Gathering and Processing Costs459 — — 459 
Production CostsProduction Costs1,479,976 26,964 10,407 1,517,347 Production Costs1,480 27 10 1,517 
ImpairmentsImpairments2,018,283 815 80,682 2,099,780 Impairments2,018 81 2,100 
Depreciation, Depletion and AmortizationDepreciation, Depletion and Amortization3,192,000 60,328 15,747 3,268,075 Depreciation, Depletion and Amortization3,192 60 16 3,268 
Income (Loss) Before Income TaxesIncome (Loss) Before Income Taxes(916,775)88,892 (59,180)(887,063)Income (Loss) Before Income Taxes(916)89 (60)(887)
Income Tax ProvisionIncome Tax Provision(220,437)23,526 3,428 (193,483)Income Tax Provision(220)24 (193)
Results of OperationsResults of Operations$(696,338)$65,366 $(62,608)$(693,580)Results of Operations$(696)$65 $(63)$(694)
2019    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$11,250,853 $269,957 $60,635 $11,581,445 
Other134,325 18 15 134,358 
Total11,385,178 269,975 60,650 11,715,803 
Exploration Costs130,302 4,290 5,289 139,881 
Dry Hole Costs11,133 13,033 3,835 28,001 
Transportation Costs753,558 4,014 728 758,300 
Gathering and Processing Costs479,102 479,102 
Production Costs2,063,078 30,539 40,369 2,133,986 
Impairments510,948 5,713 1,235 517,896 
Depreciation, Depletion and Amortization3,560,609 79,156 17,832 3,657,597 
Income (Loss) Before Income Taxes3,876,448 133,230 (8,638)4,001,040 
Income Tax Provision884,450 54,980 3,152 942,582 
Results of Operations$2,991,998 $78,250 $(11,790)$3,058,458 
2018    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$11,488,620 $302,112 $155,755 $11,946,487 
Other89,708 (49)(24)89,635 
Total11,578,328 302,063 155,731 12,036,122 
Exploration Costs121,572 21,402 6,025 148,999 
Dry Hole Costs4,983 422 5,405 
Transportation Costs742,792 3,236 848 746,876 
Gathering and Processing Costs (3)
404,471 32,502 436,973 
Production Costs1,924,504 33,506 70,073 2,028,083 
Impairments344,595 2,426 347,021 
Depreciation, Depletion and Amortization3,181,801 91,788 46,687 3,320,276 
Income (Loss) Before Income Taxes4,853,610 152,131 (3,252)5,002,489 
Income Tax Provision1,086,077 12,170 1,898 1,100,145 
Results of Operations$3,767,533 $139,961 $(5,150)$3,902,344 
(1)Excludes gains or losses on the mark-to-market of financial commodity derivative contracts, gains or losses on sales of reserves and related assets, interest charges and general corporate expenses for each of the three years in the period ended December 31, 2020.2022.
(2)Other International primarily consists of EOG's United Kingdom, China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began an exploration programprograms in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020.The United Kingdom operations were solddecision was reached in the fourth quarter of 2018.2021 to exit Block 36 and Block 49 in Oman.
(3)
Effective January 1, 2018, EOG adopted the provisions of Accounting Standards Update (ASU) 2014-09, "Revenue From Contracts With Customers" (ASU 2014-09). In connection with the adoption of ASU 2014-09, EOG presents natural gas processing fees relating to certain processing and marketing agreements within its United States segment as Gathering and Processing Costs instead of as a deduction to Natural Gas Revenues. There was no impact to operating income or net income resulting from changes to the presentation of natural gas processing fees (see Note 1 to Consolidated Financial Statements).
F-52F-51

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)


The following table sets forth production costs per barrel of oil equivalent, excluding severance/production and ad valorem taxes, for the years ended December 31, 2020, 20192022, 2021 and 2018:2020:
 United
States
Trinidad
Other
International (1)
Composite
Year Ended December 31, 2020$3.75 $2.33 $6.78 $3.72 
Year Ended December 31, 2019$4.59 $1.85 $18.26 $4.54 
Year Ended December 31, 2018$4.84 $1.67 $20.19 $4.84 
 United
States
Trinidad
Other
International (1)
Composite
Year Ended December 31, 2022$4.02 $3.11 $— $3.99 
Year Ended December 31, 2021$3.71 $2.32 $16.13 $3.67 
Year Ended December 31, 2020$3.75 $2.33 $6.78 $3.72 
(1)    Other International primarily consists of EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.

Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves.  The following information has been developed utilizing procedures prescribed by the Extractive Industries - Oil and Gas Topic of the ASC and based on crude oil, NGL and natural gas reserves and production volumes estimated by the Engineering and Acquisitions Department of EOG.  The estimates were based on a 12-month average for commodity prices for the years 2020, 20192022, 2021 and 2018.2020.  The following information may be useful for certain comparative purposes, but should not be solely relied upon in evaluating EOG or its performance. Further, information contained in the following table should not be considered as representative of realistic assessments of future cash flows, nor should the Standardized Measure of Discounted Future Net Cash Flows be viewed as representative of the current value of EOG.

The future cash flows presented below are based on sales prices, cost rates and statutory income tax rates in existence as of the date of the projections.  It is expected that material revisions to some estimates of crude oil, NGL and natural gas reserves may occur in the future, development and production of the reserves may occur in periods other than those assumed, and actual prices realized and costs incurred may vary significantly from those used.

Management does not rely upon the following information in making investment and operating decisions.  Such decisions are based upon a wide range of factors, including estimates of probable and possible reserves as well as proved reserves, and varying price and cost assumptions considered more representative of a range of possible economic conditions that may be anticipated.

F-53F-52

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table sets forth the standardized measure of discounted future net cash flows from projected production of EOG's oil and gas reserves for the years ended December 31, 2022, 2021 and 2020 2019 and 2018:(in millions):
United
States
Trinidad
Other
International (1)
Total United
States
Trinidad
Other
International (1)
Total
2020
20222022
Future cash inflows (2)
Future cash inflows (2)
$73,726,893 $900,815 $281,658 $74,909,366 
Future cash inflows (2)
$259,217 $1,189 $— $260,406 
Future production costsFuture production costs(34,618,860)(153,275)(53,933)(34,826,068)Future production costs(58,021)(248)— (58,269)
Future development costs(15,159,373)(226,430)(18,400)(15,404,203)
Future development costs (3)
Future development costs (3)
(17,837)(471)— (18,308)
Future income taxesFuture income taxes(4,336,578)(81,368)(24,311)(4,442,257)Future income taxes(39,560)(31)— (39,591)
Future net cash flowsFuture net cash flows19,612,082 439,742 185,014 20,236,838 Future net cash flows143,799 439 — 144,238 
Discount to present value at 10% annual rateDiscount to present value at 10% annual rate(8,410,282)(100,350)(36,194)(8,546,826)Discount to present value at 10% annual rate(69,587)(79)— (69,666)
Standardized measure of discounted future net cash flows relating to proved oil and gas reservesStandardized measure of discounted future net cash flows relating to proved oil and gas reserves$11,201,800 $339,392 $148,820 $11,690,012 Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$74,212 $360 $— $74,572 
2019    
20212021    
Future cash inflows (3)(4)
Future cash inflows (3)(4)
$120,359,769 $813,102 $305,491 $121,478,362 
Future cash inflows (3)(4)
$166,316 $1,135 $— $167,451 
Future production costsFuture production costs(42,387,801)(166,705)(87,381)(42,641,887)Future production costs(44,905)(258)— (45,163)
Future development costs(20,355,746)(212,303)(18,400)(20,586,449)
Future development costs (5)
Future development costs (5)
(13,885)(380)— (14,265)
Future income taxesFuture income taxes(11,459,567)(73,508)(32,423)(11,565,498)Future income taxes(22,831)(84)— (22,915)
Future net cash flowsFuture net cash flows46,156,655 360,586 167,287 46,684,528 Future net cash flows84,695 413 — 85,108 
Discount to present value at 10% annual rateDiscount to present value at 10% annual rate(21,042,593)(86,009)(35,161)(21,163,763)Discount to present value at 10% annual rate(38,834)(88)— (38,922)
Standardized measure of discounted future net cash flows relating to proved oil and gas reservesStandardized measure of discounted future net cash flows relating to proved oil and gas reserves$25,114,062 $274,577 $132,126 $25,520,765 Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$45,861 $325 $— $46,186 
2018    
20202020    
Future cash inflows (4)(6)
Future cash inflows (4)(6)
$133,066,375 $749,695 $303,620 $134,119,690 
Future cash inflows (4)(6)
$73,727 $901 $281 $74,909 
Future production costsFuture production costs(42,351,174)(204,444)(99,024)(42,654,642)Future production costs(34,619)(153)(54)(34,826)
Future development costs(16,577,794)(78,199)(11,900)(16,667,893)
Future development costs (7)
Future development costs (7)
(15,159)(227)(18)(15,404)
Future income taxesFuture income taxes(14,756,011)(174,382)(31,748)(14,962,141)Future income taxes(4,337)(81)(24)(4,442)
Future net cash flowsFuture net cash flows59,381,396 292,670 160,948 59,835,014 Future net cash flows19,612 440 185 20,237 
Discount to present value at 10% annual rateDiscount to present value at 10% annual rate(27,348,744)(26,832)(33,483)(27,409,059)Discount to present value at 10% annual rate(8,410)(101)(36)(8,547)
Standardized measure of discounted future net cash flows relating to proved oil and gas reservesStandardized measure of discounted future net cash flows relating to proved oil and gas reserves$32,032,652 $265,838 $127,465 $32,425,955 Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$11,202 $339 $149 $11,690 
(1)Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
(2)Estimated crude oil prices used to calculate 2022 future cash inflows for the United States and Trinidad were $96.44 and $85.90, respectively. Estimated NGL price used to calculate 2022 future cash inflows for the United States was $36.35. Estimated natural gas prices used to calculate 2022 future cash inflows for the United States and Trinidad were $6.96 and $3.28, respectively.
(3)Future abandonment costs included in 2022 future development costs for the United States and Trinidad were $1,578 million and $188 million, respectively.
(4)Estimated crude oil prices used to calculate 2021 future cash inflows for the United States, Trinidad and Other International were $67.79 and $58.32, respectively. Estimated NGL price used to calculate 2021 future cash inflows for the United States was $30.28. Estimated natural gas prices used to calculate 2021 future cash inflows for the United States, Trinidad and Other International were $4.61 and $3.28, respectively.
(5)Future abandonment costs included in 2021 future development costs for the United States and Trinidad were $2,586 million and $102 million, respectively.
(6)Estimated crude oil prices used to calculate 2020 future cash inflows for the United States, Trinidad and Other International were $37.19, $26.75 and $41.87, respectively. Estimated NGLNGLs price used to calculate 2020 future cash inflows for the United States was $12.47. Estimated natural gas prices used to calculate 2020 future cash inflows for the United States, Trinidad and Other International were $1.45, $3.28 and $5.65, respectively.
(3)(7)Estimated crude oil prices used to calculate 2019Future abandonment costs included in 2020 future cash inflowsdevelopment costs for the United States and Trinidad were $2,571 million and Other International were $57.51, $46.77 and $57.22,$64 million, respectively. Estimated NGL price used to calculate 2019 future cash inflows for the United States was $16.91. Estimated natural gas prices used to calculate 2019 future cash inflows for the United States, Trinidad and Other International were $2.07, $2.90 and $5.01, respectively.
(4)Estimated crude oil prices used to calculate 2018 future cash inflows for the United States, Trinidad and Other International were $68.54, $55.66 and $61.66, respectively. Estimated NGL price used to calculate 2018 future cash inflows for the United States was $27.83. Estimated natural gas prices used to calculate 2018 future cash inflows for the United States, Trinidad and Other International were $2.50, $3.06 and $4.88, respectively.



F-54F-53

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)(Concluded)

Changes in Standardized Measure of Discounted Future Net Cash Flows.The following table sets forth the changes in the standardized measure of discounted future net cash flows at December 31, for each of the three years in the period ended December 31, 2020:2022 (in millions):
United
States
Trinidad
Other
International (1)
Total United
States
Trinidad
Other
International (1)
Total
December 31, 2017$17,756,935 $332,427 $238,298 $18,327,660 
Sales and transfers of oil and gas produced, net of production costs(8,416,853)(265,370)(52,399)(8,734,622)
Net changes in prices and production costs12,750,466 84,353 21,610 12,856,429 
Extensions, discoveries, additions and improved recovery, net of related costs8,418,666 12,287 8,430,953 
Development costs incurred2,732,560 12,600 2,745,160 
Revisions of estimated development cost(410,741)4,030 (3,814)(410,525)
Revisions of previous quantity estimates(173,084)39,608 31,750 (101,726)
Accretion of discount1,967,592 50,191 24,839 2,042,622 
Net change in income taxes(4,965,373)3,844 (11,529)(4,973,058)
Purchases of reserves in place116,887 116,887 
Sales of reserves in place(35,874)(82,058)(117,932)
Changes in timing and other2,291,471 16,755 (64,119)2,244,107 
December 31, 201832,032,652 265,838 127,465 32,425,955 
Sales and transfers of oil and gas produced, net of production costs(7,955,115)(235,404)(19,919)(8,210,438)
Net changes in prices and production costs(10,973,981)65,962 27,572 (10,880,447)
Extensions, discoveries, additions and improved recovery, net of related costs5,608,038 85,233 16,287 5,709,558 
Development costs incurred3,003,510 22,820 5,820 3,032,150 
Revisions of estimated development cost(597,869)(129,047)(11,108)(738,024)
Revisions of previous quantity estimates(812,781)116,062 1,198 (695,521)
Accretion of discount3,891,701 43,148 14,909 3,949,758 
Net change in income taxes1,454,050 93,975 682 1,548,707 
Purchases of reserves in place98,539 98,539 
Sales of reserves in place(50,651)(50,651)
Changes in timing and other(584,031)(54,010)(30,780)(668,821)
December 31, 2019December 31, 201925,114,062 274,577 132,126 25,520,765 December 31, 2019$25,114 $275 $132 $25,521 
Sales and transfers of oil and gas produced, net of production costsSales and transfers of oil and gas produced, net of production costs(4,381,840)(151,979)(45,355)(4,579,174)Sales and transfers of oil and gas produced, net of production costs(4,382)(152)(45)(4,579)
Net changes in prices and production costsNet changes in prices and production costs(18,624,768)131,859 46,916 (18,445,993)Net changes in prices and production costs(18,625)132 47 (18,446)
Extensions, discoveries, additions and improved recovery, net of related costsExtensions, discoveries, additions and improved recovery, net of related costs1,436,988 64,385 1,501,373 Extensions, discoveries, additions and improved recovery, net of related costs1,437 64 — 1,501 
Development costs incurredDevelopment costs incurred1,674,800 1,674,800 Development costs incurred1,675 — — 1,675 
Revisions of estimated development costRevisions of estimated development cost4,148,768 (11,161)4,137,607 Revisions of estimated development cost4,149 (11)— 4,138 
Revisions of previous quantity estimatesRevisions of previous quantity estimates(3,307,180)11,632 (1,764)(3,297,312)Revisions of previous quantity estimates(3,307)12 (2)(3,297)
Accretion of discountAccretion of discount3,054,437 34,624 15,307 3,104,368 Accretion of discount3,055 34 15 3,104 
Net change in income taxesNet change in income taxes3,497,362 (12,185)3,022 3,488,199 Net change in income taxes3,497 (12)3,488 
Purchases of reserves in placePurchases of reserves in place49,232 49,232 Purchases of reserves in place49 — — 49 
Sales of reserves in placeSales of reserves in place(156,293)(156,293)Sales of reserves in place(156)— — (156)
Changes in timing and otherChanges in timing and other(1,303,768)(2,360)(1,432)(1,307,560)Changes in timing and other(1,304)(3)(1)(1,308)
December 31, 2020December 31, 2020$11,201,800 $339,392 $148,820 $11,690,012 December 31, 2020$11,202 $339 $149 $11,690 
Sales and transfers of oil and gas produced, net of production costsSales and transfers of oil and gas produced, net of production costs(11,532)(261)(16)(11,809)
Net changes in prices and production costsNet changes in prices and production costs37,088 133 (1)37,220 
Extensions, discoveries, additions and improved recovery, net of related costsExtensions, discoveries, additions and improved recovery, net of related costs12,154 71 — 12,225 
Development costs incurredDevelopment costs incurred1,619 16 — 1,635 
Revisions of estimated development costRevisions of estimated development cost2,773 (133)— 2,640 
Revisions of previous quantity estimatesRevisions of previous quantity estimates(1,789)73 — (1,716)
Accretion of discountAccretion of discount1,313 42 17 1,372 
Net change in income taxesNet change in income taxes(9,914)27 17 (9,870)
Purchases of reserves in placePurchases of reserves in place151 — — 151 
Sales of reserves in placeSales of reserves in place(19)— (151)(170)
Changes in timing and otherChanges in timing and other2,815 18 (15)2,818 
December 31, 2021December 31, 2021$45,861 $325 $— $46,186 
Sales and transfers of oil and gas produced, net of production costsSales and transfers of oil and gas produced, net of production costs(18,064)(269)(18,332)
Net changes in prices and production costsNet changes in prices and production costs30,987 86 — 31,073 
Extensions, discoveries, additions and improved recovery, net of related costsExtensions, discoveries, additions and improved recovery, net of related costs10,422 128 — 10,550 
Development costs incurredDevelopment costs incurred2,286 — — 2,286 
Revisions of estimated development costRevisions of estimated development cost(2,290)(70)— (2,360)
Revisions of previous quantity estimatesRevisions of previous quantity estimates8,324 40 — 8,364 
Accretion of discountAccretion of discount5,771 38 — 5,809 
Net change in income taxesNet change in income taxes(8,059)50 — (8,009)
Purchases of reserves in placePurchases of reserves in place400 — — 400 
Sales of reserves in placeSales of reserves in place(760)— — (760)
Changes in timing and otherChanges in timing and other(666)32 (1)(635)
December 31, 2022December 31, 2022$74,212 $360 $ $74,572 
(1)    Other International includes EOG's United Kingdom, China and Canada operations. The United KingdomChina operations were sold in the fourthsecond quarter of 2018.2021.
F-55

EOG RESOURCES, INC.

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Concluded)
Unaudited Quarterly Financial Information
(In Thousands, Except Per Share Data)
Quarter EndedMar 31Jun 30Sep 30Dec 31
2020
Operating Revenues and Other$4,717,692 $1,103,374 $2,245,484 $2,965,498 
Operating Income (Loss)$57,585 $(1,086,549)$(2,714)$487,662 
Income (Loss) Before Income Taxes$31,003 $(1,145,262)$(52,555)$427,760 
Income Tax Provision (Benefit)21,190 (235,878)(10,088)90,294 
Net Income (Loss)$9,813 $(909,384)$(42,467)$337,466 
Net Income (Loss) Per Share (1)
    
Basic$0.02 $(1.57)$(0.07)$0.58 
Diluted$0.02 $(1.57)$(0.07)$0.58 
Average Number of Common Shares    
Basic578,462 578,719 579,055 579,624 
Diluted580,283 578,719 579,055 580,885 
2019    
Operating Revenues and Other$4,058,642 $4,697,630 $4,303,455 $4,320,246 
Operating Income$876,530 $1,130,771 $827,959 $863,751 
Income Before Income Taxes$827,236 $1,089,366 $797,457 $831,208 
Income Tax Provision191,810 241,525 182,335 194,687 
Net Income$635,426 $847,841 $615,122 $636,521 
Net Income Per Share (1)
    
Basic$1.10 $1.47 $1.06 $1.10 
Diluted$1.10 $1.46 $1.06 $1.10 
Average Number of Common Shares    
Basic577,207 577,460 577,839 578,219 
Diluted580,222 580,247 581,271 580,849 
(1)The sum of quarterly net income (loss) per share may not agree with total year net income (loss) per share as each quarterly computation is based on the weighted average of common shares outstanding.

F-56F-54


EXHIBITS

Exhibits not incorporated herein by reference to a prior filing are designated by (i) an asterisk (*) and are filed herewith; or (ii) a pound sign (#) and are not filed herewith, and, pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, the registrant hereby agrees to furnish a copy of such exhibit to the United States Securities and Exchange Commission (SEC) upon request.
Exhibit
Number
 
 
Description
    3.1(a)-
    3.1(b)-
    3.1(c)-
    3.1(d)-
    3.1(e)-
    3.1(f)-
    3.1(g)-
    3.1(h)-
    3.1(i)-
    3.1(j)-
    3.1(k)-
    3.1(l)-
    3.1(m)-
    3.1(n)-
    3.23.2(a)-
  *3.2(b)-
    4.1-
    4.2-
  4.3-Indenture, dated as of September 1, 1991, between Enron Oil & Gas Company (predecessor to EOG) and The Bank of New York Mellon Trust Company, N.A. (as successor in interest to JPMorgan Chase Bank, N.A. (formerly, Texas Commerce Bank National Association)), as Trustee (Exhibit 4(a) to EOG's Registration Statement on Form S-3, SEC File No. 33-42640, filed in paper format on September 6, 1991).
E-1


Exhibit
Number
Description
#4.4(a)#4.3(a)-Certificate, dated April 3, 1998, of the Senior Vice President and Chief Financial Officer of Enron Oil & Gas Company (predecessor to EOG) establishing the terms of the 6.65% Notes due April 1, 2028 of Enron Oil & Gas Company.
#4.4(b)#4.3(b)-Global Note with respect to the 6.65% Notes due April 1, 2028 of Enron Oil & Gas Company (predecessor to EOG).
  4.54.4-
  4.6(a)-
  4.6(b)-
  4.7(a)4.5(a)-
  4.7(b)4.5(b)-
  4.8(a)4.6(a)-
  4.8(b)4.6(b)-
  4.8(c)4.6(c)-
  4.9(a)4.7(a)-
  4.9(b)4.7(b)-
  4.9(c)4.7(c)-
  4.10(a)4.8(a)-
  4.10(b)4.8(b)-
  4.10(c)4.8(c)-
10.1(a)+-
10.1(b)+-
10.1(c)+-
E-2


Exhibit
Number
Description
10.1(d)+-
10.1(e)10.1(d)+-
10.1(f)10.1(e)+-
E-2


Exhibit
Number
Description
10.1(g)10.1(f)+-
10.1(h)+
10.1(i)10.1(g)+-
10.1(j)10.1(h)+-
10.1(k)10.1(i)+-
10.1(l)10.1(j)+-
10.1(k)+-
10.1(l)+-
10.1(m)+-
10.1(n)+-
10.1(o)+-
10.2(a)+-
10.2(b)+-
10.1(p)10.2(c)+-
10.1(q)10.2(d)+-
10.2(e)+-
E-3


Exhibit
Number
Description
  10.1(r)10.2(f)+-
  10.1(s)10.2(g)+-
10.2(h)-
  10.1(t)+-
*10.1(u)+-
  10.1(v)+-
  10.1(w)-
  10.1(x)-
  10.1(y)-
  10.2(a)10.3(a)+-
  10.2(b)10.3(b)+-
  10.2(c)10.3(c)+-
  10.2(d)10.3(d)+-
*10.2(e)10.3(e)+-
  10.2(f)+-
  10.2(g)+-
  10.3(a)+-
E-4


Exhibit
Number
Description
10.3(b)+-
10.3(c)+-
10.4(a)+-
10.4(b)+-
10.4(c)+-
10.5(a)+-
10.5(b)+-
10.6(a)+-
10.6(b)+-
10.7+-
E-4


Exhibit
Number
Description
10.8+-
10.9(a)       10.9+-
       10.10(a)+-
10.9(b)       10.10(b)+-
10.10(a)       10.11(a)+-
10.10(b)       10.11(b)+-
10.11(a)+       10.12+-
10.11(b)+-
10.11(c)+-
E-5


Exhibit
Number
Description
     10.12      10.13-
     *21-
     *23.1-
     *23.2-
     *24-
     *31.1-
     *31.2-
     *32.1-
     *32.2-
     *95-
     *99.1-
        101.INS-Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
*  **101.SCH- Inline XBRL Schema Document.
*  **101.CAL-Inline XBRL Calculation Linkbase Document.
*  **101.DEF-Inline XBRL Definition Linkbase Document.
*  **101.LAB-Inline XBRL Label Linkbase Document.
*  **101.PRE-Inline XBRL Presentation Linkbase Document.
        104-Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).



E-5


*Exhibits filed herewith

**Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) for Each of the Three Years in the Period Ended December 31, 2020,2022, (ii) the Consolidated Balance Sheets - December 31, 20202022 and 2019,2021, (iii) the Consolidated Statements of Stockholders' Equity for Each of the Three Years in the Period Ended December 31, 2020,2022, (iv) the Consolidated Statements of Cash Flows for Each of the Three Years in the Period Ended December 31, 20202022 and (v) the Notes to Consolidated Financial Statements.

+ Management contract, compensatory plan or arrangement

E-6


SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
  EOG RESOURCES, INC.
  (Registrant)
Date:February 25, 202123, 2023By:
/s/ TIMOTHY K. DRIGGERS                                                                        
Timothy K. Driggers
Executive Vice President and Chief Financial Officer
(Principal Financial Officer and Duly Authorized Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this report has been signed below by the following persons on behalf of the registrant and in the capacities with EOG Resources, Inc. indicated and on the 2523thrd day of February, 2021.2023.
 SignatureTitle
 /s/ WILLIAM R. THOMASEZRA Y. YACOBChairman of the Board and Chief Executive Officer
and Director
 (William R. Thomas)Ezra Y. Yacob)Director (Principal(Principal Executive Officer)
 /s/ TIMOTHY K. DRIGGERSExecutive Vice President and Chief Financial Officer
 (Timothy K. Driggers)(Principal Financial Officer)
 /s/ ANN D. JANSSENSenior Vice President and Chief Accounting Officer
 (Ann D. Janssen)(Principal Accounting Officer)
 *Director
 (Janet F. Clark) 
 *Director
 (Charles R. Crisp) 
*Director
(Robert P. Daniels)
 *Director
 (James C. Day) 
 *Director
 (C. Christopher Gaut) 
*Director
(Michael T. Kerr)
 *Director
 (Julie J. Robertson) 
 *Director
(Donald F. Textor)
*By:/s/ MICHAEL P. DONALDSON 
 (Michael P. Donaldson) 
 (Attorney-in-fact for persons indicated)