UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark One)
ýANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 20182021
or
oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
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 ý  No o


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 o  No ý


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 ý  No o


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 ý  No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of the registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  o


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 ý    Accelerated filer o    Non-accelerated filer o
Smaller reporting company o    Emerging growth company o


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. o


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.

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


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, 2018: $71,8612021: $48,608 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, 580,053,225585,419,164 shares outstanding as of February 15, 2019.11, 2022.


Documents incorporated by reference. Portions of the Definitive Proxy Statement for the registrant's 20192022 Annual Meeting of Stockholders, to be filed within 120 days after December 31, 2018,2021, 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
CompetitionHuman Capital Management
RegulationCompetition
Other MattersRegulation
Executive Officers of the RegistrantOther Matters
ITEM 1A.Risk FactorsInformation 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
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, 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.), The Republic of Trinidad and Tobago (Trinidad), The People's Republic of China (China), Canada 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,schedules) filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act)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, 2018,2021, EOG's total estimated net proved reserves were 2,9283,747 million barrels of oil equivalent (MMBoe), of which 1,5321,548 million barrels (MMBbl) were crude oil and condensate reserves, 614829 MMBbl were natural gas liquids (NGLs)NGLs reserves and 4,6878,222 billion cubic feet (Bcf), or 7821,370 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.

As of December 31, 2018, EOG employed approximately 2,800 persons, including foreign national employees.


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's business strategy is to maximize 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 deliver long-term production growth while maintainingin 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, that is consistentcoupled with efficient and safe operations and environmentally responsible operationsrobust environmental stewardship practices and performance, is also an important goalintegral 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, 2018,2021, on a crude oil equivalent basis, 53%42% of EOG's net proved reserves in the United States were crude oil and condensate, 21%22% were NGLs and 26%36% 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 2018wellhead volume statistics and net well completions for the year ended December 31, 2021, total net acres at December 31, 2021, and expected net well completions planned for 2022 for certain 2019 plans forareas of EOG's United States operations.


2018 2019
Area of Operation
Crude Oil & Condensate Volumes
(MBbld) (1)
Natural Gas Liquids Volumes
(MBbld) (1)
Natural Gas Volumes
(MMcfd) (1)
Total Net Acres (2)
 Net Well Completions Expected Net Well Completions
         
Eagle Ford171
31
159
579,000
 304
 300
Austin Chalk20
7
42

(3) 
27
 15
Permian Basin132
46
338
913,000
 265
 275
Rocky Mountain Area62
15
207
1,232,000
 109
 95
Upper Gulf Coast1

4
441,000
 1
 5
Mid-Continent6
2
12
125,000
 31
 35
Fort Worth Basin2
14
78
152,000
 
 
South Texas1
1
24
391,000
 8
 5
Marcellus Shale

59
172,000
 15
 
20212022
Area 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 Basin231.1 84.6 651 395 288 375 
South Texas149.5 29.3 273 1,131 166 125 
Rocky Mountain50.3 16.9 182 1,037 50 <50
Other Areas12.5 13.7 104 1,130 12 20 
Total443.4 144.5 1,210 3,693 516 520 
(1)Thousand barrels per day or million cubic feet per day, as applicable.
(2)Total net acres excludes approximately 0.3 million net acres related to other areas.
(3)The Austin Chalk play encompasses the same net acres as the Eagle Ford.

(1)Thousand barrels per day or million cubic feet per day, as applicable.
The Eagle Ford continues to prove itself as a world-class crude oil field having produced in excess of 2.9 billion barrels of crude oil and condensate. With approximately 516,000 of its 579,000 total net acres in the prolific oil window, EOG continues to be the largest crude oil producer in the Eagle Ford with cumulative gross production in excess of 490 MMBbl of crude oil and condensate. In 2018, EOG completed 304 net Eagle Ford wells and continued to test the Austin Chalk play concept with the completion of 27 net Austin Chalk wells. EOG is still evaluating the extent of prospectivity of the Austin Chalk, which overlays the Eagle Ford. EOG also continued its enhanced oil recovery (EOR) gas injection program in 2018, adding 54 wells to the program. EOG does not expect to add wells to the EOR program in 2019 while it evaluates additional primary development opportunities. EOG expects to complete approximately 300 net Eagle Ford wells and 15 net Austin Chalk wells in 2019 while continuing to improve well productivity and operational efficiencies. The combination of exceptional execution and continuous operational improvements have made this play one of the foundations of EOG's portfolio.


In the PermianDelaware Basin, EOG completed 265288 net wells during 2018,2021, primarily in the Delaware Basin Wolfcamp, Shale, Bone Spring and Leonard plays. The Delaware Basin consists of approximately 4,800 feet of oil rich stacked pay potential offering EOG continued to consolidatemultiple co-development opportunities throughout its acreage position in each of these world-class assets through small leasing transactions and395,000 net acre position.

In the exchange of acreage with other nearby operators.Delaware Basin Wolfcamp play, EOG has approximately 346,000completed 189 net acreswells in 2021. Continued improvement and excellent results in the Delaware Basin Wolfcamp Shale play where it completed 219 net wells in 2018. The success of the 2018 Wolfcamp program was due towere supported by optimized well spacing and co-development, enhanced well completions, precision targeting, high-density stimulationsdrilling and continued cost reductions. The program shifted towardIn 2022, the development of larger packages of wells during 2018, which also contributed to cost reductions. The high-return Delaware Basin Wolfcamp Shale play will continue to be a primary area of focus in 2019. focus.

In the Bone Spring play, EOG has three main sub-plays: the First, Second and Third Bone Spring. In 2021, EOG completed 79 total net Bone Spring wells within the three sub-plays. Of thethree sub-plays, the Second Bone Spring play,had the majority of the activity in 2021 with EOG holds approximately 289,000completing 63 net acres and completed 18 net wells in 2018.wells. The Second Bone Spring play is anothercontinues to be an integral part of EOG's PermianDelaware Basin plans and portfolio.

In the Leonard Shale play, EOG has approximately 160,000 net acres and continuedmaintained its development plan with 1720 net wells completed in 2018.2021. EOG also had strong resultshas tested co-development of up to three Leonard zones simultaneously, and expects the Leonard play to become a more active part of EOG's program in the First Bone Spring where it holds approximately 100,000 net acres and completed eight net wells in 2018. next several years.

Activity in 20192022 will continue to beremain focused inon the Delaware Basin Wolfcamp, Shale, Second Bone Spring, First Bone Spring, and Leonard plays, where EOG expects to complete approximately 270375 net wells.



The South Texas area includes our Eagle Ford oil play and our Dorado gas play. EOG holds approximately 516,000 total net acres in the prolific oil window of the Eagle Ford oil 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 2021, EOG completed 155 net Eagle Ford oil play wells, and 11 net wells in the Dorado gas play.In 2022, EOG expects to complete approximately 95 net Eagle Ford oil play wells and 30 net Dorado wells.


Activity in the Rocky Mountain area increased in 2018 with a focus2021 was focused on the Wyoming Powder River and DJ Basins.Basin. In the Powder River Basin, EOG operated a two-rig program completing 41and completed 45 net wells and identified future drilling locations, mostly in the Niobrara, Mowry, Turner and NiobraraParkman formations. The focusIn addition, key infrastructure was added in 2019 will beorder to add infrastructurelower operating costs and operate a drilling program to further delineate the basin and test additional targets, to better position the company for a more robust development program in 2020 and beyond.increase price realizations going forward. In the Wyoming DJ Basin, drilling, completion,EOG drilled and operating costs continued to decline and there is a significant high-return development program scheduled for 2019. Drilling activity increasedcompleted one net well in the Codell formation. In the Williston Basin, in 2018 after pausing for several years while the company reduced its inventory of drilled uncompleted wells (DUCs). The 20EOG completed four net wells completed in 2018 targeted the Bakken and Three Forks formations and benefited from the application of precision targeting.formations. Activity in 2019 willboth the DJ and Williston Basins is expected to be similar,minimal in 2022 as willdevelopment remains focused on the seasonal program of completing wells mostly in the summer while drilling operations are conducted throughout the year.Powder River Basin where EOG currently holds approximately 1.2 million net acres in the Rocky Mountain area.

In the Mid-Continent area, EOG continued its development of the Woodford Oil Window play with 26 net wells completed during 2018. EOG holds 47,000 net acres in the play and plans to build on its initial success in the Woodford Oil Window with 30complete approximately 40 net well completions in 2019. In 2018, EOG completed 22 gross (four net) wells in the Western Anadarko Basin Marmaton Sand.wells.


Total net production in 2018 from the Fort Worth Basin Barnett Shale and Marcellus Shale averaged 2 MBbld of crude oil and condensate, 14 MBbld of NGLs and 137 MMcfd of natural gas. Development activity in these areas was concentrated in the Marcellus Shale in 2018, where EOG completed 15 net DUCs. Net production in the Marcellus Shale for 2018 averaged 59 MMcfd of natural gas, with a peak net rate of 102 MMcfd. EOG currently holds approximately 172,000 net acres with Marcellus potential. At year-end 2018, EOG held approximately 152,000 net acres in the Fort Worth Basin.

2

At year-end 2018, EOG held approximately 441,000 net acres in the Upper Gulf Coast region. EOG remained focused on exploration and evaluation efforts last year with minimal activity and expects these efforts will continue in 2019.


In the South Texas area, EOG completed eight net liquids-rich natural gas wells in 2018, including three net DUCs from prior years. EOG has deferred completion of five additional net wells, and expects to complete these liquids-rich natural gas wells in 2019 in the Frio and Vicksburg trends, where it holds approximately 391,000 net acres. In addition, exploration and evaluation efforts will continue in this region in 2019.

At December 31, 2018, EOG held approximately 2.4 million net undeveloped acres in the United States.

During 2018, EOG continued to operate its gathering and processing facilities in the Eagle Ford in South Texas, the Williston Basin Bakken and Three Forks plays in North Dakota, the Fort Worth Basin Barnett Shale and the Permian Basin in West Texas and New Mexico. At December 31, 2018, EOG-owned natural gas processing capacity in the Eagle Ford and the Fort Worth Basin Barnett Shale totaled 325 MMcfd and 180 MMcfd, respectively.

Operations Outside the United States


EOG has operations offshore Trinidad in the China Sichuan Basin 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. EOG sold its operations in the United Kingdom (U.K.) East Irish SeaChina Sichuan Basin (China) in the fourthsecond quarter of 2018.2021.


Trinidad. Trinidad.EOG, through several of its subsidiaries, including EOG Resources Trinidad Limited,
holds an 80% working interestinterests in (i) the exploration and production licenselicenses covering the South East Coast Consortium (SECC) Block, offshore Trinidad, except in the Deep Ibis area in which EOG's working interest decreased as a result of a third-party farm-out agreement;
holds an 80% working interest in the explorationPelican and production license covering the Pelican Field and its related facilities;
holds a 50% working interest in the exploration and production licenses covering theBanyan Fields, Sercan Area and each of their related facilities and the Ska, Mento, Reggae and deep Teak, Saaman and Poui Areas, all of which are offshore Trinidad;
holds a 100% working interest in and (ii) a production sharing contract with the Government of Trinidad and Tobago for each of the Modified U(a) Block,, Modified U(b) Block and Block 4(a); Blocks.
holds a 50% working interest in the exploration and production license covering the Banyan Field;
holds a 50% working interest in the exploration and production license covering the Ska, Mento, Reggae Area deep Teak, deep Saaman and deep Poui offshore Trinidad (collectively SMR Area);
owns a 12% equity interest in an anhydrous ammonia plant in Point Lisas, Trinidad, that is owned and operated by Caribbean Nitrogen Company Limited; and


owns a 10% equity interest in an anhydrous ammonia plant in Point Lisas, Trinidad, that is owned and operated by Nitrogen (2000) Unlimited.


Several fields in the SECC, Block, Modified U(a) Block,, Modified U(b) Block, Blockand 4(a), the Blocks, Banyan Field and the Sercan Area have been developed and are producing natural gas and crude oil and condensate. Natural gas from EOG's Trinidad operations currently is sold under various contracts

In March 2021, EOG signed a farmout agreement with the National Gas Company of Trinidad and Tobago Limited and its subsidiary (NGC). Crude oil and condensate from EOG's Trinidad operations currently is sold to the Petroleum Company of Trinidad and Tobago Limited and its successor, Heritage Petroleum Company Limited.  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 2018,2021, EOG's net production from Trinidad averaged approximately 266217 MMcfd of natural gas and approximately 0.81.5 MBbld of crude oil and condensate. In 2021, EOG made progress on the design and fabrication of a platform and related facilities for its previously announced discovery in the Modified U(a) Block.


In 2018, EOG conducted an ocean bottom nodal seismic survey in the SECC Block and the Pelican Field and continues to process and review the initial data.
In 2019,2022, EOG expects to drill fiveone net exploratory well in the EOG Area in addition to three development wells of which two of these wells are expected to be completed during the second quarter of 2019 and one exploratory well in the Modified U(a) Block.

Australia. On April 22, 2021, a subsidiary of EOG entered into a purchase and sale agreement to acquire a 100% interest in the WA-488-P Block, located offshore Western Australia. On November 19, 2021, the petroleum exploration permit for that block was transferred to that subsidiary.

In 2022, EOG will continue preparing for the drilling of an exploration well which is expected to commence in 2023.

Oman. EOG, through its subsidiaries, holds interests in Exploration and Production Sharing Agreements in Block 36 and Block 49 located in Oman.

In 2021, EOG's partner in Block 49 completed the drilling and testing of one net exploratory well, which was determined to be a dry hole. EOG notified its partner and the Ministry of Energy and Minerals of its intention to withdraw from Block 49. Additionally, EOG drilled two exploratory wells and completed one exploratory well in the fourth quarterBlock 36. There was a discovery of 2019. All of the natural gas produced from EOG's Trinidad operations in 2019 is expectedBlock 36, but the well results did not yield sufficient projected returns for EOG to be suppliedmove forward with the project. In 2022, EOG expects to NGC under various contracts with NGC. All crude oil and condensate produced from EOG's Trinidad operationsexit Block 36 in 2019 is expected to be supplied to Heritage Petroleum Company Limited under various contracts with Heritage Petroleum Company Limited.Oman.


At December 31, 2018, EOG held approximately 115,000 net undeveloped acres in Trinidad.

United Kingdom. China. In May 2021, EOG completed the sale of all of its interest in EOG Resources United Kingdom Limited during the fourth quarter of 2018.China Limited. EOG no longer has any presenceoperations or assets in the U.K.

In 2018,China. EOG's net production averaged approximately 4.2 MBbld of crude oil, net, in the U.K.

China. In July 2008, EOG acquired rights from ConocoPhillips in a Petroleum Contract covering the Chuan Zhong Block exploration area in the Sichuan Basin, Sichuan Province, China. In October 2008, EOG obtained the rights to shallower zones on the acquired acreage. EOG entered 2018 with two DUCs and completed both wells. In addition, EOG drilled five natural gas wells and completed one of those wells in 2018 as part of the continuing development of the Bajiaochang Field, which natural gas is sold under a long-term contract to PetroChina. EOG plans to drill two additional wells in 2019 and complete the remaining 2018 wells in progress as pipeline capacity allows.

In 2018, production averaged approximately 2325 MMcfd of natural gas net, in China.prior to the sale.


Canada. In March 2020, EOG maintains approximately 134,000 net acres with 23 net producing wellsbegan the process of exiting its Canada operations in the Horn River area in Northeast British Columbia.



3


Marketing

In 2018, net production in Canada averaged approximately 8 MMcfd of natural gas.

2021, EOG continuescontinued its diversified approach to evaluate other selectmarketing its wellhead crude oil and natural gas opportunities outside thecondensate production. The majority of EOG's United States primarily by pursuing exploitation opportunities in countries where indigenous crude oil and natural gas reserves have been identified.



Marketing

In 2018, EOG's wellhead crude oil and condensate production was transported either by pipeline or truck to downstream markets orwith 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 2021, 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. Major U.S. sales areas included the Midwest; the Permian Basin; Cushing, Oklahoma; Houston and Corpus Christi, Texas; and Louisiana; and other points along the U.S. Gulf Coast. In 2019,2022, the pricing mechanism for such production is expected to remain the same. At December 31, 2018,2021, EOG iswas committed to deliver to multiple parties fixed quantities of crude oil of 69.916 MMBbls in 2019, 13.72022, 7 MMBbls in 2020 and 1.42023, 7 MMBbls in 2021,2024, and 1 MMBbls in 2025, all of which is expected to be deliveredsourced from future production of available reserves.


In 2018,2021, 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 NGL production for purity products received downstream, which were sold at prevailing market prices. In 2019, the2022, such pricing mechanism for such production ismechanisms are expected to remain the same.

In 2018, EOG's United States wellhead natural gas production was2021, EOG also sold into local markets or transported by pipelinepurity products at the Houston Ship Channel for export to Katy, Texas; East Texas;foreign destinations. In each case, the Cheyenne Hub; Southern California; or Chicago, Illinois. Pricingprice received was based on market prices at that specific sales point or based on the spot market price at the ultimate sales point.index applicable for that location. In 2019,2022, the pricing mechanism for such production is expected to remain the same. At December 31, 2018,2021, EOG iswas not committed to deliver fixed quantities of NGLs in 2022.

In 2021, 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 2022, the pricing mechanism for such production is expected to remain the same. Additionally, EOG sells natural gas to a liquefaction facility near Corpus Christi, Texas, and receives pricing based on the Platts Japan Korea Marker. At December 31, 2021, EOG was committed to deliver to multiple parties fixed quantities of natural gas of 64 Bcf in 2019, 15 Bcf in 2020, 10 Bcf in 2021, 2223 Bcf in 2022, 190 Bcf in 2023, 150 Bcf in 2024, 138 Bcf in 2025, 195 Bcf in 2026 and 111,459 Bcf thereafter, all of which is expected to be deliveredsourced from future production of available reserves.

In 2018, a large majority of the wellhead2021, 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 and a fixed price contract.contract ending in 2026. The pricing mechanismsmechanism for these contractsproduction in Trinidad areis expected to remain the same in 2019.2022.


In 2018,Through May 2021, all wellhead natural gas volumes from China were sold at regulated prices based on the purchaser's pipeline sales volumes to various local market segments. The pricing mechanism for production in China is expected to remain the same in 2019.

Through November 2018, EOG marketed and sold its U.K. wellhead crude oil production from the Conwy field. The crude oil sales were based on a Dated Brent price or other market prices, as applicable.


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.


During 2018,2021, two purchasers each accounted for more than 10% of EOG's total wellhead crude oil and condensate, NGLNGLs and natural gas revenues and gathering, processing and marketing revenues. The two purchasers are in the crude oil refining industry. EOG does not believe that the loss of any single purchaser would have a materialmaterially adverse effect on its financial condition or results of operations.




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, 2018, 20172021, 2020 and 2016.2019. 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.

4


Year Ended December 312018 2017 2016Year Ended December 31202120202019
     
Crude Oil and Condensate Volumes (MMBbl) (1)
     
Crude Oil and Condensate Volumes (MMBbl) (1)
United States:     United States:
Eagle Ford62.4
 57.4
 60.7
Eagle Ford Oil PlayEagle Ford Oil Play51.8 54.6 68.3 
Delaware Basin46.3
 31.6
 17.0
Delaware Basin84.3 67.0 63.4 
Other35.4
 33.2
 24.2
Other25.7 27.8 34.6 
United States144.1
 122.2
 101.9
United States161.8 149.4 166.3 
Trinidad0.3
 0.3
 0.3
Trinidad0.5 0.4 0.2 
Other International (2)
1.6
 0.2
 1.2
Other International (2)
— — 0.1 
Total146.0
 122.7
 103.4
Total162.3 149.8 166.6 
Natural Gas Liquids Volumes (MMBbl) (1)
   
  
Natural Gas Liquids Volumes (MMBbl) (1)
  
United States:   
  
United States:  
Eagle Ford11.4
 9.4
 10.0
Eagle Ford Oil PlayEagle Ford Oil Play9.0 9.7 10.7 
Delaware Basin15.8
 8.8
 5.8
Delaware Basin30.9 27.7 23.5 
Other15.3
 14.1
 14.1
Other12.8 12.4 14.7 
United States42.5
 32.3
 29.9
United States52.7 49.8 48.9 
Other International (2)

 
 
Other International (2)
— — — 
Total42.5
 32.3
 29.9
Total52.7 49.8 48.9 
Natural Gas Volumes (Bcf) (1)
 
  
  
Natural Gas Volumes (Bcf) (1)
  
United States:   
  United States: 
Eagle Ford58
 55
 59
Eagle Ford Oil PlayEagle Ford Oil Play55 53 53 
Delaware Basin110
 81
 50
Delaware Basin238 168 147 
Other169
 143
 187
Other149 160 190 
United States337
 279
 296
United States442 381 390 
Trinidad97
 114
 125
Trinidad79 66 95 
Other International (2)
11
 9
 9
Other International (2)
11 14 
Total445
 402
 430
Total524 458 499 
Crude Oil Equivalent Volumes (MMBoe) (3)
 
  
  
Crude Oil Equivalent Volumes (MMBoe) (3)
  
United States: 
  
  United States:  
Eagle Ford83.5
 76.0
 80.6
Eagle Ford Oil PlayEagle Ford Oil Play70.0 73.1 87.8 
Delaware Basin80.3
 53.9
 31.2
Delaware Basin154.9 122.7 111.4 
Other78.8
 71.2
 69.3
Other63.3 66.9 81.0 
United States242.6
 201.1
 181.1
United States288.2 262.7 280.2 
Trinidad16.5
 19.4
 21.1
Trinidad13.7 11.4 16.0 
Other International (2)
3.4
 1.8
 2.8
Other International (2)
0.6 1.8 2.4 
Total262.5
 222.3
 205.0
Total302.5 275.9 298.6 








5


Year Ended December 312018 2017 2016
      
Average Crude Oil and Condensate Prices ($/Bbl) (4)
     
United States$65.16
 $50.91
 $41.84
Trinidad57.26
 42.30
 33.76
Other International (2)
71.45
 57.20
 36.72
Composite65.21
 50.91
 41.76
Average Natural Gas Liquids Prices ($/Bbl) (4)
     
United States$26.60
 $22.61
 $14.63
Other International (2)

 
 
Composite26.60
 22.61
 14.63
Average Natural Gas Prices ($/Mcf) (4)
     
United States$2.88
 $2.20
 $1.60
Trinidad2.94
 2.38
 1.88
Other International (2)
4.08
 3.89
 3.64
Composite2.92
(5)2.29
 1.73
Year Ended December 31202120202019
Average Crude Oil and Condensate Prices ($/Bbl) (4)
United States$68.54 $38.65 $57.74 
Trinidad56.26 30.20 47.16 
Other International (2)
42.36 43.08 57.40 
Composite68.50 38.63 57.72 
Average Natural Gas Liquids Prices ($/Bbl) (4)
United States$34.35 $13.41 $16.03 
Other International (2)
— — — 
Composite34.35 13.41 16.03 
Average Natural Gas Prices ($/Mcf) (4)
United States$4.88 $1.61 $2.22 
Trinidad3.40 2.57 2.72 
Other International (2)
5.67 4.66 4.44 
Composite4.66 1.83 2.38 
(1)Million barrels or billion cubic feet, as applicable.
(2)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(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 a positive revenue adjustment of $0.44 per Mcf related to the adoption of ASU 2014-09, "Revenue From Contracts with Customers" (ASU 2014-09) (see Note 1 to the Consolidated Financial Statements). In connection with the adoption of ASU 2014-09, EOG presents natural gas processing fees related to certain processing and marketing agreements as Gathering and Processing Costs, instead of as a deduction to Natural Gas revenues.

(1)Million barrels or billion cubic feet, as applicable.
(2)Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 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).

Human Capital Management

As of December 31, 2021, EOG employed approximately 2,800 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. EOG's culture is key to its sustainable success. By providing employees with a quality 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 on attracting and retaining talent, by providing 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, an annual stock grant program and an employee stock purchase plan, every employee has the opportunity to be a participant in EOG's success.

COVID-19 Pandemic. 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 to enable them to not only work safely and productively from the office or at home, but also to remain engaged and connected across the company. In 2021, EOG continued to provide such technology and support and remained focused on the safety of its employees, reopening its offices and worksites in a phased approach and instituting additional practices and protocols, including those related to social distancing, mask wearing and symptom screening.


6


Training and Development. EOG focuses on developing its employees for meaningful career opportunities, including promotion into supervisory and management positions and enhanced compensation opportunities. EOG provides training in leadership, management skills, communication, team effectiveness, technical skills and use of EOG systems and applications. EOG's leadership training 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 costs of professional certifications.

Diversity and Inclusion. EOG believes gender, racial, ethnic and cultural diversity, and diversity in background and experience, leads to diversity of thought, which is valued by EOG. As part of its effort to build and maintain a diverse and inclusive workplace, EOG focuses on creating a collaborative culture that fosters inclusion at all levels of the company and reflects the diversity of thought of its employees. EOG also takes steps to raise employee awareness, provide leadership and offer training to help advance diversity and inclusion within EOG. Further, 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.

Safety. EOG's safety management programs and processes provide a framework within which management can assess 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. 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 contract personnel (including geologists, geophysicists, engineers and other specialists) required to explore for, develop, produce, market and transport crude oil, NGLs and natural gas. In addition, certainCertain 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 to a lesser extent, from competing energy sources, such as alternativerenewable energy sources.See ITEM 1A, Risk Factors.




7


Regulation


General. 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 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. 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.

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, 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.


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.interests on federal lands. From time to time, the U.S. Department of the Interior has also considered limiting or pausing new oil and natural gas leases on federal lands or in offshore 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 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 Fort Worth Basin Barnett Shale in North Texas, the Williston Basin Bakken and Three Forks plays in North Dakota, and the Eagle Ford 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.


8


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, 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 2018.2021.


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 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. 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.


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 United States (U.S.)U.S. Environmental Protection Agency's (U.S. EPA) rule requiring annual reporting of greenhouse gas (GHG)GHG emissions and, as discussed further below, is also subject to federal, state and local laws and regulations regarding hydraulic fracturing.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. 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 relating to such future laws and regulations. The direct and indirect cost of such laws and regulations (in enacted) could materially and adversely affect EOG's operations, financial condition and results of operations.



9


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. In addition to the U.S. EPA's rule requiring annual reporting of GHG emissions, the U.S. EPA has adopted regulations for certain large sources regulating GHG emissions as pollutants under the federal Clean Air Act. In May 2016,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 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.


At the international level, the U.S., 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. However,2016 and which the U.S.United States formally rejoined in February 2021. The United States has announcedestablished economy-wide targets of (i) reducing its intention to withdraw from the Paris Agreement.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 response,addition, many state and local officials have stated their intent to intensify efforts to uphold the commitments set forth in the international accord. Further, in November 2021, the U.S. Department of the Interior released its "Report on the Federal Oil and Gas Leasing Program," which recommended increasing 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.


EOG is unable to predict the timing, scope and effect of any currently proposed or future investigations, laws, regulations, treaties or treatiespolicies 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 investigations, laws, regulations, and treaties or policies (if enacted)enacted, issued or applied) could materially and adversely affect EOG's operations, financial condition and results of operations. 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..




Regulation of Hydraulic Fracturing and Other Operations - United States. Most 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 from formations 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.


10


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 November 2016,2021, the BLM issuedEPA proposed a final rule that limits venting, flaringto further reduce methane and leaking ofVOC emissions from new and existing sources in the oil and natural gas from oil and gas wells and equipment on federal and Indian lands, though, in September 2018, the BLM issued a final rule rescinding certain requirements of that rule. Theresector. From time to time, there have been various other proposals to regulate hydraulic fracturing at the federal level. Any new federal regulations that may be imposed on hydraulic fracturing could result in additional permitting and disclosure requirements, additional operating and compliance costs and additional operating restrictions.


In addition to thesethe 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, and operating restrictions, and conditions or prohibition 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.


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. 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 butor 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 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.


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 (as earlier discussed, EOG sold its United Kingdom operations in the fourth quarter of 2018). 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. 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.
11



Other Matters


Energy Prices. EOG is a crude oil and natural gas producer and is impacted by changes in the prices offor 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 28%77% in 2018 and 22%2021, decreased 33% in 20172020 and decreased 12%11% in 2016,2019, each as compared to the immediately preceding year. Average NGL prices received by EOG for production in the United States increased 18%156% in 2018, 55%2021, decreased 16% in 2017,2020 and 1%decreased 40% in 2016,2019, each as compared to the immediately preceding year. During the last three years,Fluctuations in average United States wellhead natural gas prices have fluctuated, at times rather dramatically. These fluctuations resulted in a 31% increase in the average wellhead natural gas price received by EOG for production in the United States resulted in 2018 (inclusive of a positive revenue adjustment of $0.44 per Mcf related to the adoption of ASU 2014-09), a 38%203% increase in 20172021, a 27% decrease in 2020, and a 19%23% decrease in 2016,2019, 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)Countries, and the duration and impact of the ongoing COVID-19 pandemic), 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.


BasedIncluding the impact of EOG's crude oil and NGL derivative contracts (exclusive of basis swaps) and based on EOG's tax position, EOG's price sensitivity (exclusive of basis swaps) in 20192022 for each $1.00 per barrel increase or decrease in wellhead crude oil and condensate price, combined with the estimated change in NGL price, is approximately $133$107 million for net income and $173$138 million for pretax cash flows from operating activities. BasedIncluding the impact of EOG's natural gas derivative contracts and based on EOG's tax position and the portion of EOG's anticipated natural gas volumes for 20192022 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 $29$15 million for net income and $37$19 million for pretax cash flows from operating activities. For a summary of EOG's financial commodity derivative contracts through February 19, 2019,18, 2022, see ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations - Capital Resources and Liquidity - Commodity Derivative Transactions. For a summary of EOG's financial commodity derivative contracts for the twelve monthsyear ended December 31, 2018,2021, see Note 12 to Consolidated Financial Statements.


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 19, 2019,18, 2022, see ITEM 7, Management's Discussion and Analysis of Financial Condition and Results of Operations - Capital Resources and Liquidity - Commodity Derivative Transactions.


All of EOG's crude oil, NGL and natural gas activities are subject to the risks normally incident to the exploration for, and development, production and transportation of, crude oil, NGL 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, flooding 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.

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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 modificationnullification 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.





Information About Our Executive Officers of the Registrant


The current executive officers of EOG and their names and ages (as of February 26, 2019)24, 2022) are as follows:
NameAgePosition
NameEzra Y. YacobAge45Position
William R. Thomas66Chairman of the Board and Chief Executive Officer
Lloyd W. Helms, Jr.6164President and Chief Operating Officer
Kenneth W. Boedeker5659Executive Vice President, Exploration and Production
Ezra Y. YacobJeffrey R. Leitzell42Executive Vice President, Exploration and Production
Timothy K. Driggers5760Executive Vice President and Chief Financial Officer
Michael P. Donaldson5659Executive Vice President, General Counsel and Corporate Secretary


William R. ThomasEzra Y. Yacob was elected Chairman of the Board and 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.




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.


Ezra Y. YacobJeffrey R. Leitzell was elected Executive Vice President, Exploration and Production in December 2017. HeMay 2021. Mr. Leitzell previously served as Vice President and General Manager of EOG's Midland, Texas office from December 2017 to May 20142021 and as Operations Manager in Midland from August 2015 to December 2017.Prior to that, he served as Manager, Division ExplorationMr. Leitzell held various engineering roles of increasing responsibility in EOG's Fort Worth, Texas,multiple offices and Midland, Texas, offices from March 2012 to May 2014 as well as in various geoscience and leadership positions. functional areas within EOG.Mr. YacobLeitzell joined EOG in August 2005.October 2008.



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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.


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" and "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;
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;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 environmental and other climate change-related regulation, regulation of derivatives 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.




Beginning in the fourth quarter of 2014 and continuing through 2016, crude oil prices substantially declined. In addition, natural gas and NGL prices began to decline substantially in the second quarter of 2014 and such lower prices continued through 2016. While crude oil, natural gas and NGL prices improved significantly during 2017 and 2018, theThe above-described factors and the volatility of commodity prices make it difficult to predict future crude oil, natural gasNGLs and NGL prices. For example, during the fourth quarter of 2018, there was a substantial decline in the prices for crude oil and NGLs, whereas natural gas prices increased significantly during such period.in 2022 and thereafter. As a result, there can be no assurance that the prices for crude oil, NGLs and/or natural gas and/or NGLs will sustain, or increase from, their current levels, andnor can there be any assurance that the prices for crude oil, NGLs and/or natural gas will not decline.


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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 other 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 and NGLs 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.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 willwould require us to write down the value of our properties. Such reserve write-downs and asset impairments couldcan materially and adversely affect our results of operations and financial position and, in turn, the trading price of our common stock.


In fact,Developments 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 substantial declines ingeneration and consumption of energy, the use of crude oil, NGLs and natural gas and NGLthe 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 and energy conservation measures, (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 beganwe sell. See the risk factor above for a discussion of the impact of commodity prices (including fluctuations in 2014commodity prices) on our financial condition, cash flows and continued in 2015results of operations.

In addition to potentially adversely affecting the demand for, and through 2016 materiallyprices of, the crude oil, NGLs and natural gas that we 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 affectedaffect 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 amountpotential impact of cash flows we had available forsuch risks on our capital expendituresfinancial condition and other operating expenses and our results of operations, during fiscal years 2015see the discussion in the section below entitled "Risks Related to our Operations."

Further, climate change-related developments may result in negative perceptions of the oil and 2016.gas industry and, in turn, reputational risks associated with the exploration for, and production of, hydrocarbons. Such declines alsonegative perceptions and reputational risks may adversely affectedaffect our ability to successfully carry out our business strategy, for example, by adversely affecting the trading priceavailability and cost to us of our common stock.

If commodity prices decline from current levels for an extended periodcapital. For further discussion of time,the potential impact of such risks on our financial condition, cash flows and results of operations, will be adversely affectedsee the discussion below in this section and in the section below entitled "Risks Related to Regulatory and Legal Matters."

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 and have other adverse effects (e.g., greater potential for governmental investigations or litigation). For further discussion regarding the risks to us of climate change-related regulations, policies and initiatives, see the discussion below in the section entitled "Risks Related to Regulatory and Legal Matters."

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

We make, and expect to continue to make, substantial capital expenditures for the acquisition, exploration, development and production of crude oil, NGLs and natural gas reserves. We intend to finance our capital expenditures primarily through our cash flows from operations, cash on hand and sales of non-core assets 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.
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Lower crude oil, NGLs and natural gas prices, however, reduce our cash flows and could also delay or impair our ability to maintain our current levelconsummate certain planned non-core asset sales and divestitures. Further, if the condition of dividendsthe credit and capital markets materially declines, we might not be able to obtain financing on our common stock.terms we consider acceptable, if at all. In addition, weweakness and/or volatility in domestic and global financial markets or economic conditions or a depressed commodity price environment may be requiredincrease the interest rates that lenders and commercial paper investors require us to incur impairment chargespay 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 make downward adjustments to our proved reserve estimates. As a result,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.

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.

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.


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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 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 maycould 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 required to conduct our operations;
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 downward revision in the amount of dividends we pay to stockholders could have an adverse effect on the trading price of our common stock.

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 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 2022 is subject to fluctuating market prices. If we are ultimately unable to hedge additional production volumes for 2022 and beyond, we may be materially and adversely impacted by any declines in commodity prices, which may result in lower net cash provided by 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.


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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 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.

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, andNGLs and/or natural gas reserves (including "dry holes").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;
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 marketexport 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.



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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;
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 and transportation 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.




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 and transportationexport 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 and transportationexport 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 and transportationexport 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 and transportationexport facilities and equipment by third parties or us, and we may experience delays or increased costs in accessing the pipelines, gathering systems or rail systems necessary to transport our production to points of sale or delivery.



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Any significant change in market or other conditions affecting gathering, processing, compression, storage, or transportation 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.

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 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. 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.

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 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, in turn, materially and adversely affect our business, results of operations and financial condition.

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 and financial condition.

Local, state, federal and international regulatory bodies have been increasingly focused on greenhouse gas (GHG) emissions and climate change issues in recent years. For example, we are subject to the United States (U.S.) Environmental Protection Agency's (U.S. EPA) rule requiring annual reporting of GHG emissions. In addition, in May 2016, the U.S. EPA issued regulations that require operators to reduce methane emissions and 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, gas processing plants and natural gas transmission compressor stations.



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. However, the U.S. has announced its intention to withdraw from the Paris Agreement. In response, 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 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. EOG is unable to predict the timing, scope and effect of any currently proposed or future investigations, laws, regulations or treaties regarding climate change and GHG emissions, but the direct and indirect costs of such investigations, laws, regulations and treaties (if enacted) could materially and adversely affect EOG's operations, financial condition and results of operations.

The regulation of hydraulic fracturing is primarily conducted at the state and local level through permitting and other compliance requirements. In November 2016, however, the U.S. Bureau of Land Management (BLM) issued a final rule that limits venting, flaring and leaking of natural gas from oil and gas wells and equipment on federal and Indian lands (in September 2018, the BLM issued a final rule rescinding certain requirements of the rule). In addition, the 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. Any new federal regulations that may be imposed on hydraulic fracturing could result in additional permitting and disclosure requirements, additional operating and compliance costs and additional operating restrictions. Moreover, some state and local governments have imposed or have considered imposing various conditions and restrictions on drilling and completion operations. Any such federal or state requirements, restrictions or conditions 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. Accordingly, our production of crude oil and natural gas could be materially and adversely affected. For additional discussion regarding climate change regulation and hydraulic fracturing regulation, see Climate Change - United States and Hydraulic Fracturing - 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. For related discussion, see 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.

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.


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 refiningexport 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 water districts 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.


If we acquire crude oil, NGLs and natural gas properties, our failure to fully identify existing and potential problems, 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 problems (such as title or environmental issues), nor may they permit us to become sufficiently familiar with the properties in order to fully assess fully their deficiencies and potential. Even when problems 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 and natural gas reserves (as discussed further below)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.


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

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


Lower crude oil and natural gas prices, however, reduce our cash flows and could also delay or impair our ability to consummate certain 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 and natural gas 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 asset purchases or sales; 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.



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 the unavailability of required facilities or equipment due to mechanical failure or market conditions. 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 and refining facilities; or market or other factors and conditions.

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.

Competition in the oil and gas exploration and production industry is intense, and manysome 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 contract personnel (including geologists, geophysicists, engineers and other specialists) necessary to explore for, develop, produce, market and transport crude oil, NGLs and natural gas. In addition, certainCertain 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 to a lesser extent, from competing energy sources, such as alternativerenewable energy sources.


Reserve estimates depend on many interpretationsRisks Related to Our International Operations

We operate in other countries and, assumptions that may turn outas a result, are subject to be inaccurate. Any significant inaccuraciescertain political, economic and other risks.

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

increases in taxes and assumptions could cause the reported quantitiesgovernmental royalties;
changes in laws and policies governing operations of our reservesforeign-based companies;
loss of revenue, loss of or damage to be materially misstated.

Estimating quantitiesequipment, property and other assets and interruption of crude oil, NGL 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 and our independent petroleum consultants. 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 timeoperations as a result of numerous factors including, but not limited to, additional development activity, evolving production history, continual reassessmentexpropriation, nationalization, acts of terrorism, war, civil unrest and other political risks;
unilateral or forced renegotiation, modification or nullification of existing contracts with governmental entities;
difficulties enforcing our rights against a governmental agency because of the viabilitydoctrine of production under varyingsovereign 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 conditionssanctions; modifications to, or withdrawal from, international trade treaties; and improvements and other changesU.S. laws with respect to participation in geological, geophysical and engineering evaluation methods.



To prepare estimatesboycotts that are not supported by the U.S. government. The realization of our economically recoverable crude oil, NGL and natural gas reserves and future net cash flows from our reserves, we analyze many variableany of these 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 which 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 revisions or "write-downs" to our existing reserve estimates, could materially and adversely affect our business, financial condition and results of operationsoperations.

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

The reporting currency for our financial statements is the trading priceU.S. dollar. However, certain of our common stock.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, 2021, EOG had no net operating revenues related discussion, see ITEM 2, Properties - Oilto operations of our foreign subsidiaries whose functional currency was not the U.S. dollar.


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Risks Related to Regulatory and Gas ExplorationLegal Matters

Regulatory, legislative and Production - Propertiespolicy changes may materially and Reserves and Supplemental Information to Consolidated Financial Statements.

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

Demand for crudeadversely affect the oil and natural gas is, to a degree, dependent on weatherexploration and climate, which impacts,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 federal lands, (ii) the price we receiveleasing of federal lands for oil and gas development, (iii) the commodities we produceregulation 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 turn, our cash flowsrespect of oil and results of operations. For example, relatively warm temperatures during a winter season generallygas production from federal lands (including, but not limited to, an increase in applicable royalty percentages) and (vi) U.S. federal income tax laws applicable to oil and gas exploration and production companies.

Further, such regulatory, legislative and policy changes may, among other things, result in relatively lower demand for natural gas (as less natural gas is used to heat residencesadditional permitting and businesses)disclosure requirements, additional operating restrictions and/or the imposition of various conditions and as a result, lower prices for natural gas production.

In addition, there has been public discussion that climate change may be associated with more frequentrestrictions on drilling and completion operations or more extreme weather events, changes in temperature and precipitation patterns, changes to ground and surface water availability, and other related phenomena,aspects of our business, any of which could affect some, lead to operational delays, increased operating and compliance costs and/or all, ofother impacts on our operations. Our exploration, exploitationbusiness and development activitiesoperations 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 and transportation facilities and the availability of, and our access to, necessary third-party services, such as gathering, processing, compression, storage and transportation services. Such extreme weather events and changes in weather patterns may 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 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 and financial condition.

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 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.

Any new 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 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. Further, in November 2021, the U.S. Department of the Interior released its “Report on the Federal Oil and Gas Leasing Program”, which recommended increasing 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 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 and results of operations. 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 greenhouse gas 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. 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.


Our hedging activitiesIn addition, the achievement of our current or future internal initiatives relating to the reduction of GHG emissions may preventincrease our costs, including requiring us from benefiting fully from increasesto purchase emissions credits or offsets, the availability and price of which are outside of our control, or may impact or otherwise limit our ability to execute on our business plans. Further, such initiatives relating to the reduction of GHG emissions could be subject to business, regulatory, economic and competitive uncertainties and contingencies, and required advancements in technology.

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

From time to other risks, including counterparty risk.

We use derivative instruments (primarily financial basis swap, price swap, option, swaption and collar contracts)time, legislation has been proposed that, if enacted into law, would make significant changes to hedge the impact of fluctuations inU.S. federal income tax laws applicable to crude oil and natural gas prices onexploration 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 cash flows. To the extent that we engage in hedging activities to protect ourselves against commodity price declines, wefinancial condition.


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In addition, legislation may be prevented from fully realizingproposed with respect to the benefitsenactment of increases ina 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, NGLs and natural gas. Such price increases may, in turn, reduce demand for crude oil, NGLs and natural gas prices aboveand materially and adversely affect our cash flows, results of operations and financial condition.

We are unable to predict the prices established bytiming, scope and effect of any proposed or enacted tax law changes, but any such changes (if enacted) could materially and adversely affect our hedging contracts. At February 19, 2019,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 forecasted crude oil production (excluding basis swap contracts) for 2019business, results of operations and our forecasted natural gas production for 2019 were not hedged. As a result, our forecasted production for 2019 is subject to fluctuating market prices. If we do not hedge additional production volumes for 2019financial condition and beyond, we will be impacted by commodity price declines, which may result in lower net cash provided by 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.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 immediately 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"“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 and expect to utilize, such exception. As a result, our hedging activities willare not be 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 wouldare therefore not be subject to limitation under such rule if it is enacted.rule. However, many of our hedge counterparties and many other market participants mayare not be eligible for the End-User Exception, may beare subject to mandatory clearing orand the Margin Rule for swaps with some or all of their other swap counterparties, and/or may beand are 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 may 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.


OurRisks Related to COVID-19, Cybersecurity and Other External Factors

Outbreaks of communicable diseases can adversely affect our business, financial condition and prospectsresults 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 future success dependcrude oil, NGLs and natural gas, lead to a significant extent upon the continued serviceoperational disruptions and performancelimit our ability to execute on our business plan, any of our management team.

Our business and prospects for future success, including the successful implementation of our strategies and handling of issues integral to our future success, depend to a significant extent upon the continued service and performance of our management team. The loss of any member of our management team, and our inability to attract, motivate and retain substitute management personnel with comparable experience and skills,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.


We operate
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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 other countriesan economic downturn that negatively impacted global demand and as a result, are subject to certain political, economicprices for crude oil, NGLs and other risks.

Our operationsnatural gas. In fact, the substantial declines in jurisdictions outsidecrude oil, NGLs and natural gas prices that occurred in 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 operationsfirst half of foreign-based companies;
loss of revenue, loss of or damage to equipment, property and other assets and interruption of operations2020 as a result of expropriation, nationalization, actsthe economic downturn and overall reduction of terrorism, war, civil unrestdemand 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 political risks;operating expenses, our results of operations during the first half of 2020 and the trading price of our common stock.
unilateral
While the prices for crude oil, NGLs and natural gas have since recovered to at or forced renegotiation, modification or nullificationabove pre-pandemic levels, if such price declines were to reoccur and continue for an extended period of existing contracts with governmental entities;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.
difficulties enforcing our rights against a governmental agency because of
Further, if the doctrine of sovereign immunity and foreign sovereignty over international operations; and
currency restrictions or exchange rate fluctuations.

Our international operationsCOVID-19 outbreak should 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 COVID-19 outbreak were to worsen, resulting in another economic downturn, our customers and other contractual parties may be adversely affected by U.S. lawsunable to pay amounts owed to us from time to time and policies affecting foreign tradeto otherwise satisfy their contractual obligations to us, and taxation, including tariffs or trade ormay be unable to access the credit and capital markets for such purposes. Such inability of our customers and other economic sanctions and modifications to, or withdrawal from, international trade treaties. The realization of any of these factors couldcontractual 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; 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 COVID-19 pandemic; increased logistics costs; additional operating costs due to remote working arrangements, adherence to social distancing guidelines, and other COVID-19-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 are currently unknown or considered immaterial, to fully assess the potential impact on our business, financial condition and results of operations.

Unfavorable currency exchange rate fluctuations could 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, 2018, less than 1% of our net operating revenues related to operations of our foreign subsidiaries whose functional currency was not the U.S. dollar.




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


WeAs 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 informationdata or systems unusable, andcorrupted 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 processing facilities, refineries, rail facilitiesexport facilities; and pipelines.(iii) threats from terrorist acts. The potential for such security threats subjectshas 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 financial conditionoperations, including exploration, drilling, completions, production, transportation, pipelines and resultsother 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 operations. For example,personal devices, remote communications and other work-from-home practices 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.

25


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 seismic data reserves information orand systems; and other proprietary information could lead to data corruption, communication interruptions, or other disruptions to our operations.

Our implementation of various procedures and controls to monitor and mitigate suchelectronic security threats and to increase security for our information, systems, facilities and infrastructure may result in increased capital and operating costs. Moreover, there can be no assurance that such procedures and controls will be sufficient to prevent security breaches from occurring.breaches. If any of these security breaches were to occur, theywe could lead to losses of, or damage to, sensitive information or facilities, infrastructure and systems essential to our business and operations, as well as data corruption, reputational damage,communication interruptions or othersuffer disruptions to our normal operations, including our drilling, completion, production and corporate functions, which could materially and adversely affect us in turn,a variety of ways, including, but not limited to, the following:

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;
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 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, financial positionincluding disruption of our operations, damage to our reputation, a loss of counterparty trust, reimbursement or other costs, increased compliance costs, significant litigation exposure and resultslegal 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 incidents in the past, we have not had, to date, any business interruptions or material losses from breaches of operations.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.


26


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 at timesfrom time to time issued public warnings that indicate that energyenergy-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 and natural gas, increased volatility in crude oil 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 export facilities and the availability of, and our access to, necessary third-party services, such as gathering, processing, compression, storage and transportation services and export services. 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.

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."



27



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 or, through engineering studies, identifies additional behind-pipe zones or secondary recovery reserves, the proved reserves of EOG will decline as reserves are produced.  The volumes to be generated from future activities of EOG areFuture production is, therefore, highly dependent upon the level of success in finding or acquiring additional reserves.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, 2018.2021 (in thousands). Excluded is acreage in which EOG's interest is limited to owned royalty, overriding royalty and other similar interests.


 DevelopedUndevelopedTotal
 GrossNetGrossNetGrossNet
United States2,329 1,829 2,852 1,864 5,181 3,693 
Trinidad80 67 216 125 296 192 
Oman— — 4,585 4,585 4,585 4,585 
Australia— — 1,009 1,009 1,009 1,009 
Total2,409 1,896 8,662 7,583 11,071 9,479 
 Developed Undeveloped Total
 Gross Net Gross Net Gross Net
            
United States2,618,624
 1,884,489
 3,280,867
 2,409,792
 5,899,491
 4,294,281
Trinidad79,277
 67,474
 201,435
 115,274
 280,712
 182,748
China130,548
 130,548
 
 
 130,548
 130,548
Canada40,000
 35,771
 105,560
 98,436
 145,560
 134,207
Total2,868,449
 2,118,282
 3,587,862
 2,623,502
 6,456,311
 4,741,784


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 andto five years.Approximately 0.30.2 million net acres will expire in 2019, 0.52022, 0.1 million net acres will expire in 20202023 and 0.30.1 million net acres will expire in 20212024 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, 2021, there were no proved undeveloped reserves (PUDs) associated with such undeveloped acreage. 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. As

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.

Acreage associated with EOG's exploration program in Oman was reduced as of December 31, 2018, there were no proved undeveloped reserves2021, due to EOG contractually agreeing with its partner in Block 49 to withdraw.Additionally, EOG does not intend to proceed with additional work commitments and therefore anticipates relinquishing its Block 36 acreage in the third quarter of 2022.

The agreement governing the acreage associated with such undeveloped acreage.our exploration program in offshore Australia is set to expire at various dates through 2025 depending on EOG's decision to move forward with its defined work program or unless EOG is granted a production license.


Productive Well Summary. The following table represents EOG's gross and net productive wells, including 2,1072,427 wells in which we hold a royalty interest.
 Crude Oil Natural Gas Total
 Gross Net Gross Net Gross Net
            
United States9,023
 6,422
 6,360
 3,658
 15,383
 10,080
Trinidad2
 2
 33
 27
 35
 29
China
 
 36
 36
 36
 36
Canada
 
 24
 23
 24
 23
Total (1)
9,025
 6,424
 6,453
 3,744
 15,478
 10,168
 Crude OilNatural GasTotal
 GrossNetGrossNetGrossNet
United States8,999 6,402 4,756 2,850 13,755 9,252 
Trinidad33 26 35 28 
Total (1)
9,001 6,404 4,789 2,876 13,790 9,280 
(1)EOG operated 11,366 gross and 9,744 net producing crude oil and natural gas wells at December 31, 2018. Gross crude oil and natural gas wells include 316
(1)    EOG operated 10,233 gross and 9,064 net producing crude oil and natural gas wells at December 31, 2021. Gross crude oil and natural gas wells include 129 wells with multiple completions.




28


Drilling and Acquisition Activities.  During the years ended December 31, 2018, 20172021, 2020 and 2016,2019, EOG expended $6.4$4.0 billion, $4.4$3.7 billion and $6.4$6.6 billion, respectively, for exploratory and development drilling, facilities and acquisition of leases and producing properties, including asset retirement obligationscosts of $70$127 million, $56$117 million and $(20)$186 million, respectively.  Included in the 2016 expenditures was $3.9 billion of acquisitions of producing properties and leases in connection with the 2016 merger and related asset purchase transactions with Yates Petroleum Corporation and other affiliated entities.  The following tables set forth the results of the gross crude oil and natural gas wells completed for the years ended December 31, 2018, 20172021, 2020 and 2016:2019:
 Gross Development Wells CompletedGross Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
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 
2019        
United States833 26 14 873 — 
Trinidad— — — — 
China— — — — 
Total833 29 14 876 — 
 Gross Development Wells Completed Gross Exploratory Wells Completed
 Crude Oil Natural Gas Dry Hole Total Crude Oil Natural Gas Dry Hole Total
2018               
United States834
 39
 22
 895
 
 
 1
 1
Trinidad
 
 
 
 
 
 
 
China
 1
 
 1
 
 2
 
 2
Total834
 40
 22
 896
 
 2
 1
 3
2017               
United States568
 22
 13
 603
 
 
 1
 1
Trinidad
 8
 
 8
 
 1
 
 1
China
 3
 
 3
 
 
 1
 1
Total568
 33
 13
 614
 
 1
 2
 3
2016 
  
  
  
  
  
  
  
United States524
 39
 6
 569
 1
 
 
 1
Trinidad
 1
 
 1
 
 
 
 
Total524
 40
 6
 570
 1
 
 
 1


The following tables set forth the results of the net crude oil and natural gas wells completed for the years ended December 31, 2018, 20172021, 2020 and 2016:2019:
 Net Development Wells CompletedNet Exploratory Wells Completed
 Crude OilNatural GasDry HoleTotalCrude OilNatural GasDry HoleTotal
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 
2019        
United States721 22 12 755 — 
Trinidad— — — — 
China— — — — 
Total721 25 12 758 — 


29

 Net Development Wells Completed Net Exploratory Wells Completed
 Crude Oil Natural Gas Dry Hole Total Crude Oil Natural Gas Dry Hole Total
2018               
United States704
 37
 18
 759
 
 
 1
 1
Trinidad
 
 
 
 
 
 
 
China
 1
 
 1
 
 2
 
 2
Total704
 38
 18
 760
 
 2
 1
 3
2017               
United States490
 21
 13
 524
 
 
 1
 1
Trinidad
 6
 
 6
 
 1
 
 1
China
 3
 
 3
 
 
 1
 1
Total490
 30
 13
 533
 
 1
 2
 3
2016 
  
  
  
  
  
  
  
United States420
 17
 6
 443
 1
 
 
 1
Trinidad
 1
 
 1
 
 
 
 
Total420
 18
 6
 444
 1
 
 
 1




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, 2018, 20172021, 2020 and 2016:2019:
 Wells in Progress at End of Period
 202120202019
 GrossNetGrossNetGrossNet
United States191 167 155 147 317 286 
Trinidad
China— — 
Oman— — — — 
Total192 168 160 152 321 290 
 Wells in Progress at End of Period
 2018 2017 2016
 Gross Net Gross Net Gross Net
            
United States297
 238
 247
 208
 237
 194
Trinidad
 
 
 
 1
 1
China4
 4
 1
 1
 
 
Total301
 242
 248
 209
 238
 195


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, 2018,2021, there were approximately 7872 MMBoe of net proved undeveloped reserves (PUDs)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 Drilled Uncompleted Wells at End of Period
2018 2017 2016 202120202019
Gross Net Gross Net Gross Net GrossNetGrossNetGrossNet
           
United States168
 137
 147
 121
 173
 137
United States121 105 89 86 188 165 
China3
 3
 1
 1
 
 
China— — 
Total171
 140
 148
 122
 173
 137
Total121 105 92 89 191 168 
    
EOG acquired wells as set forth in the following tables as of the end of each periodtable (excluding the acquisition of additional interests in 114, 295, 8 and 6311 net wells in which EOG previously owned an interest for the years ended December 31, 2018, 20172021, 2020 and 2016,2019, respectively): for the years ended December 31, 2021, 2020 and 2019:
Gross Acquired WellsNet Acquired Wells
Gross Acquired Wells Net Acquired Wells Crude
Oil
Natural
Gas
TotalCrude
Oil
Natural
Gas
Total
Crude
Oil
 Natural Gas Total 
Crude
Oil
 Natural Gas Total
2018           
20212021
United States15
 13
 28
 10
 6
 16
United States14 16 13 14 
Total15
 13
 28
 10
 6
 16
Total14 16 13 14 
2017           
20202020
United States12
 3
 15
 6
 2
 8
United States80 83 70 73 
Total12
 3
 15
 6
 2
 8
Total80 83 70 73 
2016 
  
  
  
  
  
20192019      
United States4,112
 4,144
 8,256
 1,228
 2,297
 3,525
United States45 54 37 46 
Total4,112
 4,144
 8,256
 1,228
 2,297
 3,525
Total45 54 37 46 
 
Other Property, Plant and Equipment. EOG's other property, plant and equipment primarily includes gathering, transportation and processing infrastructure assets and buildings 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. EOG's other property, plant and equipment primarily includes gathering, transportation and processing infrastructure assets, buildings, crude-by-rail assets, and sand mine and sand processing assets which support EOG's exploration and production activities. EOG does not own drilling rigs, hydraulic fracturing equipment or rail cars.





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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 this item, EOG uses 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, 2021.

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.



31



PART II


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


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


As of February 14, 2019,11, 2022, there were approximately 2,1002,000 record holders and approximately 454,000749,000 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, 2018 - October 31, 2018 29,765
 $128.17
  6,386,200
November 1, 2018 - November 30, 2018 2,062
 104.60
  6,386,200
December 1, 2018 - December 31, 2018 7,415
 98.11
  6,386,200
Total 39,242
 $121.26
    
 
 
 
 
 
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)
Maximum Number (or Approximate Dollar Value) of Shares
that May Yet Be Purchased Under the Plans or Programs (2)(3)
October 1, 2021 - October 31, 202140,557 $89.42 6,386,200 
November 1, 2021 - November 30, 202122,852 94.24 $5,000,000,000 
December 1, 2021 - December 31, 202115,351 86.38 $5,000,000,000 
Total78,760 $90.22   
(1)The 39,242 total shares for the quarter ended December 31, 2018, and the 538,892 total shares for the full year 2018, 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 aggregate share repurchase authorization of EOG's Board discussed below.
(2)In September 2001, the Board authorized the repurchase of up to 10,000,000 shares of EOG's common stock.  During 2018, EOG did not repurchase any shares under the Board-authorized repurchase program.

(1)The 78,760 total shares for the quarter ended December 31, 2021, and the 503,667 total shares for the full year 2021, 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 either the September 2001 Authorization or the November 2021 Authorization (each as defined and further discussed below).

(2)In September 2001, the Board authorized the repurchase of up to 10,000,000 shares of EOG's common stock (September 2001 Authorization).  The September 2001 Authorization was announced on October 2, 2001. EOG did not repurchase any shares under the September 2001 Authorization during the fourth quarter 2021 (through November 3, 2021) and last repurchased shares under the September 2001 Authorization in March 2003.

(3)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 its common stock (November 2021 Authorization) and (ii) revoked and terminated the September 2001 Authorization. Under the November 2021 Authorization (which was announced November 4, 2021), 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, 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 November 2021 Authorization during the period from November 4, 2021 through December 31, 2021.

32


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, 2013 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.

1.$100 was invested on December 31, 2016 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, 2018)2021)


stockgrapha08.jpgeog-20211231_g1.jpg



201620172018201920202021
EOG$100.00 $107.47 $87.41 $84.96 $51.97 $95.82 
S&P 500$100.00 $121.83 $116.49 $153.17 $181.36 $233.43 
S&P O&G E&P$100.00 $93.70 $75.43 $84.50 $55.41 $103.66 

33
 2013 2014 2015 2016 2017 2018
EOG$100.00
 $110.30
 $85.45
 $123.08
 $132.28
 $107.59
S&P 500$100.00
 $113.69
 $115.27
 $129.06
 $157.23
 $150.34
S&P O&G E&P$100.00
 $89.41
 $58.88
 $78.21
 $73.28
 $58.99




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


The following selected consolidated financial information should be read in conjunction with
ITEM 7, 7.  Management's Discussion and Analysis of Financial Condition and Results of Operations and ITEM 8, Financial Statements and Supplementary Data.

Year Ended December 31 2018 2017 2016 2015 2014
           
Statement of Income Data:          
Operating Revenues and Other (1)
 $17,275,399
 $11,208,320
 $7,650,632
 $8,757,428
 $18,035,340
Operating Income (Loss) $4,469,346
 $926,402
 $(1,225,281) $(6,686,079) $5,241,823
Net Income (Loss) $3,419,040
 $2,582,579
 $(1,096,686) $(4,524,515) $2,915,487
Net Income (Loss) Per Share          
Basic $5.93
 $4.49
 $(1.98) $(8.29) $5.36
Diluted $5.89
 $4.46
 $(1.98) $(8.29) $5.32
Dividends Per Common Share $0.810
 $0.670
 $0.670
 $0.670
 $0.585
Average Number of Common Shares          
Basic 576,578
 574,620
 553,384
 545,697
 543,443
Diluted 580,441
 578,693
 553,384
 545,697
 548,539

At December 31 2018 2017 2016 2015 2014
           
Balance Sheet Data:          
Total Property, Plant and Equipment, Net $28,075,519
 $25,665,037
 $25,707,078
 $24,210,721
 $29,172,644
Total Assets (2) (3)
 33,934,474
 29,833,078
 29,299,201
 26,834,908
 34,758,599
Total Debt (3)
 6,083,262
 6,387,071
 6,986,358
 6,655,490
 5,905,846
Total Stockholders' Equity 19,364,188
 16,283,273
 13,981,581
 12,943,035
 17,712,582
(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, 2016, 2015 and 2014 (see Note 1 to Consolidated Financial Statements).
(2)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 its Consolidated Balance Sheets at December 31, 2016 and 2015 by $160 million and $136 million, respectively, from deferred tax liabilities to deferred tax assets.
(3)Effective January 1, 2016, EOG adopted the provisions of ASU 2015-03, "Interest - Computation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs" (ASU 2015-03). ASU 2015-03 requires that debt issuance costs be presented in the balance sheet as a direct reduction from the related debt liability rather than as an asset. In connection with the adoption of ASU 2015-03, EOG restated its Consolidated Balance Sheets at December 31, 2015 and 2014 by $4.8 million and $4.1 million, respectively, of unamortized debt issuance costs from Other Assets to Long-Term Debt.



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.  EachPursuant 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 deliver long-term production growth while maintainingin 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, that is consistentcoupled with efficient and safe operations and environmentally responsible operationsrobust environmental stewardship practices and performance, is also an important goalintegral in the implementation of EOG's strategy.


EOG realized net income of $3,419$4,664 million during 20182021 as compared to a net incomeloss of $2,583$605 million for 2017.2020. At December 31, 2018,2021, EOG's total estimated net proved reserves were 2,9283,747 million barrels of oil equivalent (MMBoe), an increase of 401527 MMBoe from December 31, 2017.2020.  During 2018,2021, net proved crude oil and condensate and natural gas liquids (NGLs) reserves increased by 33050 million barrels (MMBbl), and net proved natural gas reserves increased by 4242,862 billion cubic feet or 71477 MMBoe, in each case from December 31, 2017.2020.


Recent Developments

Commodity Prices. In 2020, the COVID-19 pandemic 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 beginning in early 2020 that negatively impacted global demand and prices for crude oil and condensate, NGLs and natural gas. In response, OPEC+, a consortium of OPEC (Organization of Petroleum Exporting Countries) and certain non-OPEC global producers (Russia, Kazakhstan and others), agreed to voluntarily curtail crude oil supplies beginning in April 2020 with a schedule to bring back some of these curtailments through April 2021. Certain other non-OPEC+ countries also curtailed production and/or reduced investments in existing and new crude oil projects. This response started the process of balancing supply with demand.

In 2021, the effects of global COVID-19 mitigation efforts, including extensive global fiscal stimulus and the availability of vaccines, tempered by new COVID-19 variant strains and corresponding containment measures in certain parts of the world, have resulted in overall increased demand for crude oil and condensate, NGLs and natural gas. See ITEM 1A, Risk Factors for discussion of risks related to the COVID-19 pandemic.

During 2021 and into early 2022, OPEC+ continued their schedule of gradually returning all curtailed production through 2022 in response to expected increases in demand for crude oil. The continuing rebalancing of crude oil demand and supply resulting from improving or stabilizing conditions in certain economies and financial markets of the world, combined with the continuing actions taken by OPEC+, had a positive impact on crude oil prices in 2021. Prices for crude oil and condensate and NGLs returned to prepandemic levels in the first quarter of 2021, while natural gas prices returned to pre-pandemic levels at the beginning of 2021.

As a result of the many uncertainties associated with (i) the world economic and political 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, prices for crude oil and condensate, NGLs and natural gas have historically been volatile, and this volatility is expected to continue. For related discussion, see ITEM 1A, Risk Factors.

EOG will continue to monitor future market conditions and adjust its capital allocation strategy and production outlook accordingly in order to maximize shareholder value while maintaining its strong financial position.



34


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 climate 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, 2018.2021.


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 liquids-richcondensate, NGLs and natural gas production. EOG has placed an emphasis on applying its horizontal drilling and completion expertise to unconventional crude oil and, to a lesser extent, liquids-rich reservoirs.natural gas plays.


During 2018,2021, EOG continued to focus on increasing drilling, completion and operating efficiencies gained in prior years. Such efficiencies resulted in lower operating, drilling and completion costs in 2021. In addition, EOG continued to evaluate certain potential crude oil and liquids-richcondensate, 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 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 NGLNGLs production accounted for approximately 77%75% and 76% of United States production during 20182021 and 2017.2020, respectively. During 2018,2021, drilling and completion activities occurred primarily in the Delaware Basin play, Eagle Ford play, Delaware Basinoil play and Rocky Mountain area. EOG's major producing areas in the United States are in Texas and New Mexico, North Dakota, Texas, UtahMexico. EOG faced interruptions to sales in certain markets due to disruptions throughout the United States from Winter Storm Uri in the first quarter of 2021. Winter Storm Uri also negatively impacted Lease and Wyoming.Well, Transportation and Gathering and Processing Costs in the first quarter of 2021. See ITEM 1, Business - Exploration and Production for further discussion regarding EOG's 2021 United States operations.


Trinidad.In the Republic of Trinidad and Tobago (Trinidad), EOG continuedcontinues to deliver natural gas under existing supply contracts. Several fields in the South East Coast Consortium (SECC) 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, and crude oil and condensate which is sold to the Petroleum Company of Trinidad and Tobago Limited and its successor, Heritage Petroleum Company Limited. Limited (Heritage).

In 2018,March 2021, EOG conducted an ocean bottom nodal seismic surveysigned 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. EOG continues to make progress on the design and fabrication of a platform and related facilities for its previously announced discovery in the SECCModified U(a) Block.

In 2022, EOG expects to drill one net exploratory well in the EOG Area in addition to three development wells and one exploratory well in the Modified U(a) Block.

Other International. In Australia, on April 22, 2021, a subsidiary of EOG entered into a purchase and sale agreement to acquire a 100% interest in the WA-488-P Block, located offshore Western Australia. The transaction was closed in the fourth quarter of 2021 including the transfer of the petroleum exploration permit for that block. In 2022, EOG will continue preparing for the drilling of an exploration well which is expected to commence in 2023.

In the Sultanate of Oman (Oman), a Royal Decree was issued on March 9, 2021, and EOG became a participant in the Exploration and Production Sharing Agreement for Block 49, holding a 50% working interest. EOG's partner in Block 49 completed the drilling and testing of one net exploratory well, which was determined to be a dry hole. EOG notified its partner and the Pelican FieldMinistry of Energy and continuedMinerals of its intention to process and review the initial data.

Other International. withdraw from Block 49. In the Sichuan Basin, Sichuan Province, China,Block 36, where EOG entered 2018 with two drilled uncompleted wells and completed both wells. In addition,holds a 100% working interest, EOG drilled five natural gastwo net exploratory wells and completed one net exploratory well. There was a discovery of those wells in 2018 as part of the continuing development of the Bajiaochang Field, which natural gas is sold under a long-term contractin Block 36, but the well results did not yield sufficient projected returns for EOG to PetroChina.move forward with the project. EOG recorded pretax impairment charges of $45 million and dry hole costs of $42 million in 2021. In 2022, EOG expects to exit Block 36.


In the U.K.,May 2021, EOG produced crude oil from its 100% working interest East Irish Sea Conwy development project. EOG completedclosed the sale of its subsidiary which held all of its interestassets in EOG Resources United Kingdom Limited during the fourth quarterChina Sichuan Basin (China). Net production was approximately 25 million cubic feet per day (MMcfd) of 2018.natural gas prior to the sale. EOG no longer has any presenceoperations or assets in the U.K.China.

35



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 24%19% at December 31, 20182021 and 28%22% at December 31, 2017.2020.  As used in this calculation, total capitalization represents the sum of total current and long-term debt and total stockholders' equity.


On OctoberFebruary 1, 2018,2021, EOG repaid upon maturity the $350$750 million aggregate principal amount of its 6.875%4.100% Senior Notes due 2018.2021 (2021 Notes).


During 2018,2021, EOG funded $6.6$4.1 billion ($411124 million of which was non-cash) in exploration and development and other property, plant and equipment expenditures (excluding asset retirement obligations), repaid $350 million aggregate principal amount of long-term debt, paid $438$2,684 million in dividends to common stockholders and purchased $63 million of treasury stock in connection with stock compensation plans,repaid the 2021 Notes, primarily by utilizing net cash provided from its operating activities and net proceeds of $227$231 million from the sale of assets.


Total anticipated 20192022 capital expenditures are estimated to range from approximately $6.1$4.3 billion to $6.5$4.7 billion, excluding acquisitions and non-cash exchanges.transactions. The majority of 20192022 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, and other uncommitted credit facilities, bank borrowings, borrowings under its $2.0 billion 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.




Dividend Declarations and Share Repurchase Authorization. On February 25, 2021, EOG's 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 paid on April 30, 2021, to stockholders of record as of April 16, 2021.

On May 6, 2021, EOG's Board declared a special cash dividend on the common stock of $1.00 per share. The special cash dividend, which was in addition to the quarterly cash dividend, was paid on July 30, 2021 to stockholders of record as of July 16, 2021.

On November 4, 2021, EOG's Board (i) further 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, (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, (iii) established a new share repurchase authorization to allow for the repurchase by EOG of up to $5 billion of the common stock and (iv) revoked and terminated the share repurchase authorization established by the Board in September 2001. See ITEM 5, Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities for additional discussion.

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

36


Results of Operations


The following review of operations for each of the three years in the period ended December 31, 2018,2021, 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 2018,2021, operating revenues increased $6,067$7,610 million, or 54%69%, to $17,275$18,642 million from $11,208$11,032 million in 2017.2020. Total wellhead revenues, which are revenues generated from sales of EOG's production of crude oil and condensate, NGLs and natural gas, increased $4,039$8,090 million, or 51%111%, to $11,946$15,381 million in 20182021 from $7,907$7,291 million in 2017.2020. Revenues from the sales of crude oil and condensate and NGLs in 20182021 were approximately 89%84% of total wellhead revenues compared to 88%89% in 2017.2020. During 2018,2021, EOG recognized net losses on the mark-to-market of financial commodity derivative contracts of $166$1,152 million compared to net gains of $20$1,145 million in 2017.2020. Gathering, processing and marketing revenues increased $1,932$1,705 million during 2018,2021, to $5,230$4,288 million from $3,298$2,583 million in 2017. Net2020. EOG recognized net gains on asset dispositions of $175$17 million in 2018 were primarily as a result of exchanges of producing properties and acreage in Texas and sales of producing properties and acreage in the United Kingdom, Texas and the Rocky Mountain area2021 compared to net losses on asset dispositions of $99$47 million in 2017.2020.



37



Wellhead volume and price statistics for the years ended December 31, 2018, 20172021, 2020 and 20162019 were as follows:
Year Ended December 31 2018 2017 2016
       
Crude Oil and Condensate Volumes (MBbld) (1)
      
United States 394.8
 335.0
 278.3
Trinidad 0.8
 0.9
 0.8
Other International (2)
 4.3
 0.8
 3.4
Total 399.9
 336.7
 282.5
Average Crude Oil and Condensate Prices ($/Bbl) (3)
    
  
United States $65.16
 $50.91
 $41.84
Trinidad 57.26
 42.30
 33.76
Other International (2)
 71.45
 57.20
 36.72
Composite 65.21
 50.91
 41.76
Natural Gas Liquids Volumes (MBbld) (1)
      
United States 116.1
 88.4
 81.6
Other International (2)
 
 
 
Total 116.1
 88.4
 81.6
Average Natural Gas Liquids Prices ($/Bbl) (3)
    
  
United States $26.60
 $22.61
 $14.63
Other International (2)
 
 
 
Composite 26.60
 22.61
 14.63
Natural Gas Volumes (MMcfd) (1)
      
United States 923
 765
 810
Trinidad 266
 313
 340
Other International (2)
 30
 25
 25
Total 1,219
 1,103
 1,175
Average Natural Gas Prices ($/Mcf) (3)
    
  
United States $2.88
 $2.20
 $1.60
Trinidad 2.94
 2.38
 1.88
Other International (2)
 4.08
 3.89
 3.64
Composite 2.92
(4)2.29
 1.73
Crude Oil Equivalent Volumes (MBoed) (5)
      
United States 664.7
 551.0
 494.9
Trinidad 45.1
 53.0
 57.5
Other International (2)
 9.4
 4.9
 7.6
Total 719.2
 608.9
 560.0
       
Total MMBoe (5)
 262.5
 222.3
 205.0
Year Ended December 31202120202019
Crude Oil and Condensate Volumes (MBbld) (1)
United States443.4 408.1 455.5 
Trinidad1.5 1.0 0.6 
Other International (2)
0.1 0.1 0.1 
Total445.0 409.2 456.2 
Average Crude Oil and Condensate Prices ($/Bbl) (3)
  
United States$68.54 $38.65 $57.74 
Trinidad56.26 30.20 47.16 
Other International (2)
42.36 43.08 57.40 
Composite68.50 38.63 57.72 
Natural Gas Liquids Volumes (MBbld) (1)
United States144.5 136.0 134.1 
Other International (2)
— — — 
Total144.5 136.0 134.1 
Average Natural Gas Liquids Prices ($/Bbl) (3)
  
United States$34.35 $13.41 $16.03 
Other International (2)
— — — 
Composite34.35 13.41 16.03 
Natural Gas Volumes (MMcfd) (1)
United States1,210 1,040 1,069 
Trinidad217 180 260 
Other International (2)
32 37 
Total1,436 1,252 1,366 
Average Natural Gas Prices ($/Mcf) (3)
  
United States$4.88 $1.61 $2.22 
Trinidad3.40 2.57 2.72 
Other International (2)
5.67 4.66 4.44 
Composite4.66 1.83 2.38 
Crude Oil Equivalent Volumes (MBoed) (4)
United States789.6 717.5 767.8 
Trinidad37.7 30.9 44.0 
Other International (2)
1.6 5.4 6.2 
Total828.9 753.8 818.0 
Total MMBoe (4)
302.5 275.9 298.6 
(1)
(1)    Thousand barrels per day or million cubic feet per day, as applicable.
(2)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(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)Includes a positive revenue adjustment of $0.44 per Mcf related to the adoption of ASU 2014-09, "Revenue From Contracts with Customers" (ASU 2014-09) (see Note 1 to the Consolidated Financial Statements). In connection with the adoption of ASU 2014-09, EOG presents natural gas processing fees related to certain processing and marketing agreements as Gathering and Processing Costs, instead of as a deduction to Natural Gas revenues.
(5)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.


(2)Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.
2018(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.

38


2021 compared to 2017. 2020. Wellhead crude oil and condensate revenues in 20182021 increased $3,261$5,339 million, or 52%92%, to $9,517$11,125 million from $6,256$5,786 million in 2017,2020, due primarily to a higher composite average wellhead crude oil and condensate price ($2,0884,852 million) and an increase in production ($1,173487 million). EOG's composite wellhead crude oil and condensate price for 20182021 increased 28%77% to $65.21$68.50 per barrel compared to $50.91$38.63 per barrel in 2017.2020. Wellhead crude oil and condensate production in 20182021 increased 19%9% to 400445 MBbld as compared to 337409 MBbld in 2017.2020. The increased production was primarily in the Permian Basin, andpartially offset by decreased production in the Eagle Ford.Ford oil play.


NGLNGLs revenues in 20182021 increased $398$1,144 million, or 55%171%, to $1,127$1,812 million from $729$668 million in 20172020 primarily due to a higher composite average wellhead NGLs price ($1,104 million) and an increase in production ($229 million) and a higher composite average wellhead NGL price ($16940 million). EOG's composite average wellhead NGLNGLs price increased 18%156% to $26.60$34.35 per barrel in 20182021 compared to $22.61$13.41 per barrel in 2017.2020. NGL production in 20182021 increased 31%6% to 116145 MBbld as compared to 88136 MBbld in 2017.2020. The increased production was primarily in the Permian Basin and the Eagle Ford.Basin.


Wellhead natural gas revenues in 20182021 increased $380$1,607 million, or 41%192%, to $1,302$2,444 million from $922$837 million in 2017,2020, primarily due to a higher composite wellhead natural gas price ($2821,486 million) and an increase in wellhead natural gas deliveries ($98121 million). EOG's composite average wellhead natural gas price increased 28%155% to $2.92$4.66 per Mcf in 20182021 compared to $2.29$1.83 per Mcf in 2017. This increase in composite wellhead natural gas prices includes a positive revenue adjustment of $0.44 per Mcf related to the adoption of ASU 2014-09.2020. Natural gas deliveries in 20182021 increased 11%15% to 1,2191,436 MMcfd as compared to 1,1031,252 MMcfd in 2017.2020. The increase in production was primarily due to increased production in the United States (158 MMcfd), partially offset by decreased production in Trinidad (47 MMcfd). The increased production in the United States was due primarily to increased production of associated natural gas infrom the Permian Basin and Rocky Mountain area and higher natural gas volumes in Trinidad, partially offset by lower natural gas volumes associated with the dispositions of the Marcellus Shale. The decreaseShale assets in Trinidad was primarily attributable to higher contractual deliveriesthe third quarter of 2020 and the China assets in 2017.the second quarter of 2021.


During 2018,2021, EOG recognized net losses on the mark-to-market of financial commodity derivative contracts of $166$1,152 million, which included net cash paid for settlements of crude oil, NGL and natural gas financial derivative contracts of $259$638 million. During 2017,2020, EOG recognized net gains on the mark-to-market of financial commodity derivative contracts of $20$1,145 million, which included net cash received from settlements of crude oil, NGL and natural gas financial derivative contracts of $7$1,071 million.


Gathering, processing and marketing revenues are revenues generated from sales of third-party crude oil, NGLs and natural gas, as well as gathering 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 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 20182021 increased $59$230 million compared to 2017,2020, 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.


20172020 compared to 2016. 2019. Wellhead crude oil and condensate revenues in 2017 increased $1,9392020 decreased $3,827 million, or 45%40%, to $6,256$5,786 million from $4,317$9,613 million in 2016,2019, due primarily to a higherlower composite average wellhead crude oil and condensate price ($1,1242,860 million) and an increasea decrease in production ($815967 million). EOG's composite wellhead crude oil and condensate price for 2017 increased 22%2020 decreased 33% to $50.91$38.63 per barrel compared to $41.76$57.72 per barrel in 2016.2019. Wellhead crude oil and condensate deliveriesproduction in 2017 increased 19%2020 decreased 10% to 337409 MBbld as compared to 283456 MBbld in 2016.2019. The increaseddecreased production was primarily due to higher production in the Permian BasinEagle Ford oil play and Rocky Mountain area.

NGL revenues in 2017 increased $292 million, or 67%, to $729 million from $437 million in 2016 primarily due to a higher composite wellhead NGL price ($257 million) and an increase in production ($35 million). EOG's composite average wellhead NGL price increased 55% to $22.61 per barrel in 2017 compared to $14.63 per barrel in 2016. The increased production was primarily due to higher production in the Permian Basin and Rocky Mountain area, partially offset by decreasedincreased production in the Fort Worth Barnett Shale, largely resultingPermian Basin.

NGLs revenues in 2020 decreased $116 million, or 15%, to $668 million from 2016 asset sales$784 million in this region.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. The increased production was primarily in the Permian Basin, partially offset by decreased production of associated NGLs in the Eagle Ford oil play.





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Wellhead natural gas revenues in 2017 increased $1802020 decreased $347 million, or 24%29%, to $922$837 million from $742$1,184 million in 2016,2019, primarily due to a higherlower composite wellhead natural gas price ($227251 million), partially offset by and a decrease in wellhead natural gas deliveries ($4796 million). EOG's composite average wellhead natural gas price increased 32%decreased 23% to $2.29$1.83 per Mcf in 20172020 compared to $1.73$2.38 per Mcf in 2016.2019. Natural gas deliveries in 20172020 decreased 6%8% to 1,1031,252 MMcfd as compared to 1,1751,366 MMcfd in 2016.2019. The decrease in production was primarily due to decreased production in the United States (45 MMcfd) and Trinidad (27 MMcfd). The decreased production in the United States was due primarily to lower natural gas volumes in Trinidad, the Fort Worth BarnettMarcellus Shale Upper Gulf Coast and South Texas areas, largely resulting from 2016 asset sales in these regions,the Rocky Mountain area, partially offset by increased production of associated natural gas infrom the Permian Basin and Rocky Mountain area and from the 2016 mergers and related asset purchase transactions with Yates Petroleum Corporation and other affiliated entities (collectively, the Yates Entities). The decrease in Trinidad was primarily attributable to higher contractual deliveries in 2016.Basin.


During 2017,2020, EOG recognized net gains on the mark-to-market of financial commodity derivative contracts of $20$1,145 million, which included net cash received fromfor settlements of crude oil, NGL and natural gas financial derivative contracts of $7$1,071 million. During 2016,2019, EOG recognized net lossesgains on the mark-to-market of financial commodity derivative contracts of $100$180 million, which included net cash paidreceived for settlements of crude oil and natural gas financial derivative contracts of $22$231 million.


Gathering, processing and marketing revenues less marketing costs in 2017 increased $92020 decreased $124 million compared to 2016,2019, primarily due to higher margins on natural gas and NGL marketing activities ($16 million), partially offset by lower margins on sand sales ($9 million).crude oil and condensate 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.


Operating and Other Expenses


20182021 compared to 20172020.  During 2018,2021, operating expenses of $12,806$12,540 million were $2,524$964 million higher than the $10,282$11,576 million incurred during 2017.2020.The following table presents the costs per barrel of oil equivalent (Boe) for the years ended December 31, 20182021 and 2017:2020:
 2018 2017
    
Lease and Well$4.89
 $4.70
Transportation Costs2.85
 3.33
Depreciation, Depletion and Amortization (DD&A) -   
Oil and Gas Properties12.65
 14.83
Other Property, Plant and Equipment0.44
 0.51
General and Administrative (G&A)1.63
 1.95
Net Interest Expense0.93
 1.23
Total (1)
$23.39
 $26.55
 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.

(1)Total excludes 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 20182021 compared to 20172020 are set forth below.  See "Operating Revenues and Other" above for a discussion of production volumes.


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, salt 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.





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Lease and well expenses of $1,283$1,135 million in 20182021 increased $238$72 million from $1,045$1,063 million in 20172020 primarily due to higher operating and maintenance costs in the United States ($17133 million) and in Trinidad ($5 million), higher workoverworkovers expenditures in the United States ($4425 million) and higher lease and well administrative expenses ($41 million), all 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 Kingdomdisposition of all of the China assets in the second quarter of 2021 ($185 million). Lease and well expenses increased in the United States primarily due to increased operating activities resulting infrom 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.


Transportation costs of $747$863 million in 20182021 increased $7$128 million from $740$735 million in 20172020 primarily due to increased transportation costs in the Permian Basin ($116121 million) and the Rocky Mountain area ($22 million), partially offset by decreased transportation costs in the Barnett Shale ($52 million), the Eagle Ford oil play ($3113 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 $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 Rocky Mountain area ($2510 million), increased operating costs in the Permian Basin ($26 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 oil play ($5 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 20182021 increased $26$251 million to $3,435$3,651 million from $3,409$3,400 million in 2017.2020.  DD&A expenses associated with oil and gas properties in 20182021 were $24$235 million higher than in 20172020 primarily due to an increase in production in the United States ($647307 million) and the United KingdomTrinidad ($2112 million) and higher unit rates in Trinidad ($14 million), partially offset by lower unit rates in the United States ($625 million) and a decrease in production in Trinidad ($1685 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 $427$511 million in 2018 decreased $72021 increased $27 million from $434$484 million in 20172020 primarily due to decreased professional, legala net increase in costs associated with corporate support activities, including employee-related expenses and other servicesincreased information system costs ($2454 million); partially offset by increased employee-related expenses resulting from expanded operationsa decrease in idle equipment and termination fees ($15 million) and increased information systems costs ($1046 million).


Net interest expense of $245$178 million in 20182021 was $29$27 million lower than 20172020 primarily due to repayment in February 2021 of the $600$750 million aggregate principal amount of 5.875%4.100% Senior Notes due 20172021 ($29 million), repayment in September 2017 ($25 million) andJune 2020 of the $350$500 million aggregate principal amount of 6.875%4.40% Senior Notes due 20182020 ($9 million), repayment in October 2018April 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 a decreasethe issuance in capitalized interestApril 2020 of the $750 million aggregate principal amount of 4.950% Senior Notes due 2050 ($311 million) and $750 million aggregate principal amount of 4.375% Senior Notes due 2030 ($10 million).

Gathering and processing costs represent operating and maintenance expenses and administrative expenses associated with operating EOG's gathering and processing assets and beginning January 1, 2018, natural gas processing fees from third parties. EOG pays third parties to process a portion of its natural gas production to extract NGLs. See Note 1 to the Consolidated Financial Statements for discussion related to EOG's adoption of ASU 2014-09.

Gathering and processing costs increased $288 million to $437 million in 2018 compared to $149 million in 2017 primarily due to the adoption of ASU 2014-09 ($204 million) and increased operating costs in the Permian Basin ($32 million), the United Kingdom ($28 million) and the Eagle Ford ($25 million).


Exploration costs of $149$154 million in 20182021 increased $4$8 million from $145$146 million in 20172020 primarily due to increased general and administrative expenses in the United States ($7 million), partially offset by decreased geological and geophysical expenditures in Trinidad ($5 million).the United States.





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Impairments includeinclude: 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.


The following table represents impairments for the years ended December 31, 20182021 and 20172020 (in millions):
 20212020
Proved properties$20 $1,268 
Unproved properties310 472 
Other assets28 300 
Inventories13 — 
Firm commitment contracts60 
Total$376 $2,100 
 2018 2017
    
Proved properties$121
 $224
Unproved properties173
 211
Other assets49
 28
Other property, plant and equipment
 16
Inventories4
 
Total$347
 $479


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 20182020 were primarily for the write-down to fair value of sand and 2017.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 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 20182021 increased $227$569 million to $772$1,047 million (6.5%(6.8% of wellhead revenues) from $545$478 million (6.9%(6.6% of wellhead revenues) in 2017.2020. The increase in taxes other than income was primarily due to increases inincreased severance/production taxes ($190 million) primarily as a result of increased wellhead revenues and an increase in ad valorem/property taxes ($33 million), both in the United States.

Other income, net, was $17 millionStates ($522 million), increased severance/production taxes in 2018 compared to other income, net, of $9 million in 2017. The increase of $8 million in 2018 was primarily due to a decrease in deferred compensation expenseTrinidad ($127 million) and an increase in interest incomedecreased state severance tax refunds ($4 million); partially offset by an increase in foreign currency transaction losses ($1539 million).


EOG recognized an income tax provision of $822$1,269 million in 20182021 compared to an income tax benefit of $1,921$134 million in 2017,2020, primarily due to the absence of certain 2017 tax benefits related to the Tax Cuts and Jobs Act (TCJA) and higherincreased pretax income. The most significant impact of the TCJA on EOG was the reduction in the statutory income tax rate from 35% to 21% which required the existing net United States federal deferred income tax liability to be remeasured resulting in the recognition of an income tax benefit in 2017 of approximately $2.2 billion. The net effective tax rate for 20182021 increased to 19%21% from (291%)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 rate on pretax income in 2021 and decreasing the TCJAeffective tax benefits.rate on pretax loss in 2020.





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20172020 compared to 20162019.  During 2017,2020, operating expenses of $10,282$11,576 million were $1,406$2,105 million higherlower than the $8,876$13,681 million incurred during 2016.2019.The following table presents the costs per barrel of oil equivalent (Boe)Boe for the years ended December 31, 20172020 and 2016:2019:

 2017 2016
    
Lease and Well$4.70
 $4.53
Transportation Costs3.33
 3.73
Depreciation, Depletion and Amortization (DD&A) -   
Oil and Gas Properties14.83
 16.77
Other Property, Plant and Equipment0.51
 0.57
General and Administrative (G&A)1.95
 1.93
Net Interest Expense1.23
 1.37
Total (1)
$26.55
 $28.90
 20202019
Lease and Well$3.85 $4.58 
Transportation Costs2.66 2.54 
Gathering and Processing Costs1.66 1.60 
Depreciation, Depletion and Amortization (DD&A) -
Oil and Gas Properties11.85 12.25 
Other Property, Plant and Equipment0.47 0.31 
General and Administrative (G&A)1.75 1.64 
Net Interest Expense0.74 0.62 
Total (1)
$22.98 $23.54 
(1)Total excludes gathering and processing costs, exploration costs, dry hole costs, impairments, marketing costs and taxes other than income.

(1)Total excludes 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 20172020 compared to 20162019 are set forth below.  See "Operating Revenues and Other" above for a discussion of production volumes.


Lease and well expenses of $1,045$1,063 million in 2017 increased $1182020 decreased $304 million from $927$1,367 million in 20162019 primarily due to higherlower operating and maintenance costs in the United States ($71157 million) and the United Kingdomin Canada ($3025 million) and higher workover, lower workovers expenditures in the United States ($21103 million) and lower lease and well administrative expenses in the United States ($12 million).Lease and well expenses increaseddecreased in the United States primarily due to increaseddecreased operating activities resulting in increased production.from decreased production, efficiency improvements and service cost reductions.


Transportation costs of $740$735 million in 20172020 decreased $24$23 million from $764$758 million in 20162019 primarily due to divestitures in the Barnett Shale and Upper Gulf Coast ($85 million) and decreased transportation costs in the Eagle FordFort Worth Basin Barnett Shale ($827 million), the Rocky Mountain area ($24 million) and the United KingdomEagle Ford oil play ($820 million), partially offset by increased transportation costs related to higher production in the Permian Basin ($4756 million).

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 oil play ($9 million) and the Rocky Mountain areaFort Worth Basin Barnett Shale ($205 million); partially offset by increased gathering and fromprocessing fees in the 2016 transactions with the Yates EntitiesPermian Basin ($1315 million).


DD&A expenses in 20172020 decreased $144$350 million to $3,409$3,400 million from $3,553$3,750 million in 2016.2019. DD&A expenses associated with oil and gas properties in 20172020 were $141$390 million lower than in 20162019 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 ($449150 million) and Trinidad ($19 million) and a decrease in production in the United Kingdom ($16 million) and Trinidad ($11 million), partially offset by an increase in production in the United States ($354 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 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 $434$484 million in 2017 increased $392020 decreased $5 million from $395$489 million in 20162019 primarily due to increaseddecreased employee-related expenses resulting from expanded operations and from the 2016 transactions with the Yates Entities ($4543 million) and increased professional legal and other services ($307 million), partially offset by 2016 employee related expenses in connection with certain voluntary retirementsidle equipment and termination fees ($4246 million).


Net interest expense of $274$205 million in 20172020 was $8$20 million lowerhigher than 20162019 primarily due to repaymentthe issuance of the $600Notes 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 5.875%5.625% Senior Notes due 20172019 ($21 million), repayment in September 2017June 2020 of the $500 million aggregate principal amount of 4.40% Senior Notes due 2020 ($1113 million), partially offset by a decrease and repayment in capitalized interestApril 2020 of the $500 million aggregate principal amount of 2.45% Senior Notes due 2020 ($410 million).


Gathering and processing costs increased $26 million to $149 million in 2017 compared to $123 million in 2016 due to increased activities in the Permian Basin ($12 million) and the Rocky Mountain area ($8 million).

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Exploration costs of $145$146 million in 20172020 increased $20$6 million from $125$140 million in 20162019 primarily due to increased geological and geophysical expenditures in Trinidad.the United States ($15 million), partially offset by decreased general and administrative expenses in the United States ($8 million).




The following table represents impairments for the years ended December 31, 20172020 and 20162019 (in millions):
 20202019
Proved properties$1,268 $207 
Unproved properties472 220 
Other assets300 91 
Firm commitment contracts60 — 
Total$2,100 $518 
 2017 2016
    
Proved properties$224
 $116
Unproved properties211
 291
Other assets28
 
Other property, plant and equipment16
 14
Inventories
 61
Firm commitment contracts
 138
Total$479
 $620


Impairments of proved properties were primarily due to the write-down to fair value of divestedlegacy and non-core natural gas and crude oil and combo plays in 2020 and legacy natural gas assets in 2017 and 2016. EOG recognized additional impairment charges in 2016 of $61 million related to obsolete inventory and $138 million related to firm commitment contracts related to divested Haynesville natural gas assets.2019.


Taxes other than income in 2017 increased $1952020 decreased $322 million to $545$478 million (6.6% of wellhead revenues) from $800 million (6.9% of wellhead revenues) from $350 million (6.4% of wellhead revenues) in 2016. 2019.The increasedecrease in taxes other than income was primarily due to increases indecreased severance/production taxes in the United States ($171232 million) and in, decreased ad valorem/property taxes ($18 million), both primarily as a result of increased wellhead revenues in the United States.States ($51 million) and a state severance tax refund ($27 million).


Other income, net, was $9$10 million in 20172020 compared to other expense,income, net, of $51$31 million in 2016. 2019.The increasedecrease of $60$21 million in 2020 was primarily due to an increasea decrease in foreign currency transaction gainsinterest income.

In response to the economic impacts of the COVID-19 pandemic, the President of the United States signed the Coronavirus Aid, Relief, 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 and 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 EOG in 2017 ($49 million)years prior to 2018 and interestwere 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 ($5 million).tax relief primarily related to making permanent or extending certain tax provisions, none of which were a material benefit for EOG.


EOG recognized an income tax benefit of $1,921$134 million in 20172020 compared to an income tax benefitprovision of $461$810 million in 2016,2019, primarily due to the enactment of the TCJA in December 2017. decreased pretax income.The most significant impact of the TCJA on EOG was the reduction in the statutory income tax rate from 35% to 21%, which required the existing net United States federal deferred income tax liability to be remeasured, resulting in the recognition of an income tax benefit of approximately $2.2 billion.  Due largely to this tax rate reduction, the net effective tax rate for 20172020 decreased to (291)%18% from 30%23% in the prior year. 2019.The lower effective tax rate is mostly due to taxes attributable to EOG's foreign operations and increased stock-based compensation tax deficiencies.



44


Capital Resources and Liquidity


Cash Flow


The primary sources of cash for EOG during the three-year period ended December 31, 2018,2021, 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; other property, plant and equipment expenditures; dividend payments to stockholders; repayments of debt; net cash paid for settlements of commodity derivative contracts and purchases of treasury stock in connection with stock compensation plans.other property, plant and equipment expenditures.


20182021 compared to 2017.2020.  Net cash provided by operating activities of $7,769$8,791 million in 20182021 increased $3,504$3,783 million from $4,265$5,008 million in 20172020 primarily reflectingdue to an increase in wellhead revenues ($4,039 million), favorable changes in working capital and other assets and liabilities ($7588,090 million) and a favorable changean increase in thegathering, processing and marketing revenues less marketing costs ($230 million); partially offset by an increase in net cash paid for settlements of commodity derivative contracts ($1,709 million); an increase in net cash paid for income taxes ($1131,320 million), partially offset; 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 ($746882 million) and an unfavorable change in the net cash paid for the settlement of financial commodity derivative contracts ($266 million).


Net cash used in investing activities of $6,170$3,419 million in 20182021 increased by $2,183$71 million from $3,987$3,348 million in 20172020 primarily due to an increase in additions to oil and gas properties ($1,888394 million); unfavorable changes, 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 ($21175 million); an increase in proceeds from the sales of assets ($39 million); and an increasea decrease in additions to other property, plant and equipment ($649 million).


Net cash used in financing activities of $839$3,493 million in 20182021 included cash dividend payments ($4382,684 million), repayments of long-term debt ($350750 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). 

2020 compared to 2019. Net cash provided by operating activities of $5,008 million in 2020 decreased $3,155 million from $8,163 million in 2019 primarily due to a decrease in wellhead revenues ($4,291 million); unfavorable changes in working capital and other assets and liabilities ($166 million); a decrease in gathering, processing and marketing revenues less marketing costs ($123 million) and an increase in net cash paid for income taxes ($86 million); partially offset by an increase in cash received for settlements of commodity derivative contracts ($840 million) and a decrease in cash operating expenses ($641 million).

Net cash used in investing activities of $3,348 million in 2020 decreased by $2,829 million from $6,177 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 ($6316 million).Cash provided by financing activities in 20182020 included long-term debt borrowings ($1,484 million) and proceeds from stock options exercised and employee stock purchase plan activity ($2116 million).





45

2017 compared to 2016.  Net cash provided by operating activities of $4,265 million in 2017 increased $1,906 million from $2,359 million in 2016 primarily reflecting an increase in wellhead revenues ($2,411 million) and a favorable change in the net cash received from the settlement of financial commodity derivative contracts ($30 million), partially offset by an increase in cash operating expenses ($362 million), an increase in net cash paid for income taxes ($228 million), an increase in net cash paid for interest expense ($23 million) and unfavorable changes in working capital and other assets and liabilities ($10 million).


Net cash used in investing activities of $3,987 million in 2017 increased by $2,734 million from $1,253 million in 2016 primarily due to an increase in additions to oil and gas properties ($1,461 million); a decrease in proceeds from asset sales ($892 million); unfavorable changes in working capital associated with investing activities ($246 million); and an increase in additions to other property, plant and equipment ($80 million).

Net cash used in financing activities of $1,036 million in 2017 included repayments of long-term debt ($600 million), cash dividend payments ($387 million) and purchases of treasury stock in connection with stock compensation plans ($63 million). Cash provided by financing activities in 2017 included proceeds from stock options exercised and employee stock purchase plan activity ($21 million). 

Total Expenditures


The table below sets out components of total expenditures for the years ended December 31, 2018, 20172021, 2020 and 20162019 (in millions):
 2018 2017 2016
Expenditure Category     
Capital     
Exploration and Development Drilling$4,935
 $3,132
 $1,957
Facilities625
 575
 375
Leasehold Acquisitions (1)
488
 427
 3,217
Property Acquisitions (2)
124
 73
 749
Capitalized Interest24
 27
 31
Subtotal6,196
 4,234
 6,329
Exploration Costs149
 145
 125
Dry Hole Costs5
 5
 11
Exploration and Development Expenditures6,350
 4,384
 6,465
Asset Retirement Costs70
 56
 (20)
Total Exploration and Development Expenditures6,420
 4,440
 6,445
Other Property, Plant and Equipment (3)
286
 173
 109
Total Expenditures$6,706
 $4,613
 $6,554
 202120202019
Expenditure Category
Capital
Exploration and Development Drilling$2,864 $2,664 $4,951 
Facilities405 347 629 
Leasehold Acquisitions (1)
215 265 276 
Property Acquisitions (2)
100 135 380 
Capitalized Interest33 31 38 
Subtotal3,617 3,442 6,274 
Exploration Costs154 146 140 
Dry Hole Costs71 13 28 
Exploration and Development Expenditures3,842 3,601 6,442 
Asset Retirement Costs127 117 186 
Total Exploration and Development Expenditures3,969 3,718 6,628 
Other Property, Plant and Equipment (3)
286 395 272 
Total Expenditures$4,255 $4,113 $6,900 
(1)Leasehold acquisitions included $291 million and $256 million related to non-cash property exchanges in 2018 and 2017, respectively, and $3,115 million in 2016 related to the Yates transaction.
(2)Property acquisitions included $71 million and $26 million related to non-cash property exchanges in 2018 and 2017, respectively, and $735 million in 2016 related to the Yates transaction.
(3)Other property, plant and equipment included $49 million of non-cash additions in 2018 primarily related to a capital lease transaction in the Permian Basin and $17 million in 2016 related to the Yates transaction.

(1)Leasehold acquisitions included $45 million, $197 million and $98 million related to non-cash property exchanges in 2021, 2020 and 2019, respectively.
(2)Property acquisitions included $5 million, $15 million and $52 million related to non-cash property exchanges in 2021, 2020 and 2019, 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 2020, respectively.

Exploration and development expenditures of $6,350$3,842 million for 20182021 were $1,966$241 million higher than the prior year. The increase was primarily due to increased exploration and development drilling expenditures in the United States ($1,932 million) and Other International ($11 million), increased leasehold acquisitions ($61 million), increased property acquisitions ($51267 million) and increased facilityfacilities expenditures ($5058 million), partially offset by decreased exploration and development drilling expenditures in Trinidad ($14061 million), decreased leasehold acquisitions ($50 million) and decreased property acquisitions ($35 million). The 20182021 exploration and development expenditures of $6,350$3,842 million included $5,546$3,172 million in development drilling and facilities, $656$537 million in exploration, $124$100 million in property acquisitions and $24$33 million in capitalized interest. The 20172020 exploration and development expenditures of $4,384$3,601 million included $3,661$2,905 million in development drilling and facilities, $623$530 million in exploration, $73 million in property acquisitions and $27 million in capitalized interest. The 2016 exploration and development expenditures of $6,465 million included $3,351 million in exploration, $2,334 million in development drilling and facilities, $749$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 level of exploration and development expenditures, including acquisitions, will vary in future periods depending on energy market conditions and other related 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.



46


Commodity Derivative Transactions

Commodity Derivative Contracts.  Prices received by EOG for its crude oil production generally vary from U.S. New York Mercantile Exchange (NYMEX) West Texas Intermediate 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 pricing in Midland, Texas, and Cushing, Oklahoma (Midland Differential). Presented below is a comprehensive summary of EOG's Midland Differential basis swap contracts through February 19, 2019. The weighted average price differential expressed in dollars per barrel ($/Bbl) represents the amount of reduction to Cushing, Oklahoma, prices for the notional volumes expressed in barrels per day (Bbld) covered by the basis swap contracts.
 Midland Differential Basis Swap Contracts
   Volume (Bbld) 
Weighted Average Price Differential
($/Bbl)
 
 
 2018    
 January 1, 2018 through December 31, 2018 (closed) 15,000
 $1.063
      
 2019    
 January 1, 2019 through February 28, 2019 (closed) 20,000
 $1.075
 March 1, 2019 through December 31, 2019 20,000
 1.075

EOG has also entered into crude oil basis swap contracts in order to fix the differential between pricing in the U.S. Gulf Coast and Cushing, Oklahoma (Gulf Coast Differential). Presented below is a comprehensive summary of EOG's Gulf Coast Differential basis swap contracts through February 19, 2019. The weighted average price differential expressed in $/Bbl represents the amount of addition to Cushing, Oklahoma, prices for the notional volumes expressed in Bbld covered by the basis swap contracts.
 Gulf Coast Differential Basis Swap Contracts
   Volume (Bbld) 
Weighted Average Price Differential
($/Bbl)
 
 
 2018    
 January 1, 2018 through September 30, 2018 (closed) 37,000
 $3.818
 October 1, 2018 through December 31, 2018 (closed) 52,000
 3.911
      
 2019    
 January 1, 2019 through February 28, 2019 (closed) 13,000
 $5.572
 March 1, 2019 through December 31, 2019 13,000
 5.572


Presented below is a comprehensive summary of EOG's crudefinancial commodity derivative contracts settled during the year ended December 31, 2021 (closed) and remaining for 2022 and thereafter, as of February 18, 2022. Crude oil price swap contracts through February 19, 2019, with notionaland NGL volumes expressedare presented in BbldMBbld and prices expressedare presented in $/Bbl.
 Crude Oil Price Swap Contracts
   Volume (Bbld) Weighted Average Price ($/Bbl)
 
 
 2018    
 January 1, 2018 through November 30, 2018 (closed) 134,000
 $60.04



On November 20, 2018, EOG entered into crude oil price swap contracts for the period December 1, 2018 through December 31, 2018, with notional Natural gas volumes of 134,000 Bbld at an average price of $53.75 per Bbl. These contracts offset the crude oil price swap contracts for the same time period with notional volumes of 134,000 Bbld at an average price of $60.04 per Bbl. The net cash EOG received for settling these contracts was $26.1 million. The offsetting contracts are excluded from the above table.

Presented below is a comprehensive summary of EOG's natural gas price swap contracts through February 19, 2019, with notional volumes expressedpresented in million British thermal units (MMBtu)MMBtu per day (MMBtud) and prices expressedare presented in dollars per MMBtu ($/MMBtu).

 Natural Gas Price Swap Contracts
   Volume (MMBtud) Weighted Average Price ($/MMBtu)
 
 
 2018    
 March 1, 2018 through November 30, 2018 (closed) 35,000
 $3.00
Crude Oil Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price
($/Bbl)
January 2021 (closed)NYMEX West Texas Intermediate (WTI)151 $50.06 
February - March 2021 (closed)NYMEX WTI201 51.29 
April - June 2021 (closed)NYMEX WTI150 51.68 
July - September 2021 (closed)NYMEX WTI150 52.71 
January 2022 (closed)NYMEX WTI140 65.58 
February - March 2022NYMEX WTI140 65.58 
April - June 2022NYMEX WTI140 65.62 
July - September 2022NYMEX WTI140 65.59 
October - December 2022NYMEX WTI140 65.68 
January - March 2023NYMEX WTI150 67.92 
April - June 2023NYMEX WTI120 67.79 
July - September 2023NYMEX WTI100 70.15 
October - December 2023NYMEX WTI69 69.41 


EOG has sold call options which establish a ceiling price for
Crude Oil Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price Differential
($/Bbl)
February 2021 (closed)
NYMEX WTI Roll Differential (1)
30 $0.11 
March - December 2021 (closed)
NYMEX WTI Roll Differential (1)
125 0.17 
January - February 2022 (closed)
NYMEX WTI Roll Differential (1)
125 0.15 
March - December 2022
NYMEX WTI Roll Differential (1)
125 0.15 
(1)    This settlement index is used to fix the sale of notional volumes of natural gas as specifieddifferential in the call option contracts. The call options require that EOG pay the differencepricing between the call option strike priceNYMEX calendar month average and either the average or last business day NYMEX Henry Hub natural gas price forphysical crude oil delivery month.


47


NGL Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price
($/Bbl)
January - December 2021 (closed)Mont Belvieu Propane (non-Tet)15 $29.44 


Natural Gas Financial Price Swap Contracts
Contracts SoldContracts Purchased
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average Price ($/MMBtu)Volume (MMBtud in thousands)Weighted Average Price ($/MMBtu)
January - March 2021 (closed)NYMEX Henry Hub500 $2.99 500 $2.43 
April - September 2021 (closed)NYMEX Henry Hub500 2.99 570 2.81 
October - December 2021 (closed)NYMEX Henry Hub500 2.99 500 2.83 
January - December 2022 (closed) (1)
NYMEX Henry Hub20 2.75 — — 
January - February 2022 (closed)NYMEX Henry Hub725 3.57 — — 
March - December 2022NYMEX Henry Hub725 3.57 — — 
January - December 2023NYMEX Henry Hub725 3.18 — — 
January - December 2024NYMEX Henry Hub725 3.07 — — 
January - December 2025NYMEX Henry Hub725 3.07 — — 
April - September 2021 (closed)Japan Korea Marker (JKM)70 6.65 — — 
(1)    In January 2021, EOG executed the contract month (Henry Hub Index Price) in the event the Henry Hub Index Price is above the call option strike price.

In addition, EOG has purchased put options which establish a floor price for the sale of notional volumes of natural gas as specified in the put option contracts. The put options grantearly termination provision granting EOG the right to receiveterminate all of its 2022 natural gas price swap contracts which were open at that time. EOG received net cash of $0.6 million for the differencesettlement of these contracts.

Natural Gas Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average Price ($/MMBtu)
January - February 2022 (closed)
NYMEX Henry Hub Houston Ship Channel (HSC) Differential (1)
210 $(0.01)
March - December 2022
NYMEX Henry Hub HSC Differential (1)
210 (0.01)
January - December 2023
NYMEX Henry Hub HSC Differential (1)
135 (0.01)
January - December 2024
NYMEX Henry Hub HSC Differential (1)
10 0.00 
January - December 2025
NYMEX Henry Hub HSC Differential (1)
10 0.00 
(1)    This settlement index is used to fix the differential between pricing at the put option strike priceHouston Ship Channel and theNYMEX Henry Hub Index Price inprices.

48


In connection with its financial commodity derivative contracts, EOG had $1.4 billion of collateral posted at February 18, 2022. EOG expects this collateral to be applied to the event the Henry Hub Index Price issettlement of financial commodity derivative contracts if market prices remain above contract prices or returned to EOG if market prices decrease below the put option strike price. Presented below is a comprehensive summary of EOG's natural gas call and put option contracts through February 19, 2019, with notional volumes expressed in MMBtud and prices expressed in $/MMBtu.contract prices.
Natural Gas Option Contracts
 Call Options Sold Put Options Purchased
 Volume (MMBtud) Weighted
Average Price
($/MMBtu)
 Volume (MMBtud) Weighted
Average Price
($/MMBtu)
2018       
March 1, 2018 through November 30, 2018 (closed)120,000
 $3.38
 96,000
 $2.94


Financing


EOG's debt-to-total capitalization ratio was 24%19% at December 31, 2018,2021, compared to 28%22% at December 31, 2017.2020.  As used in this calculation, total capitalization represents the sum of total current and long-term debt and total stockholders' equity.


At December 31, 20182021 and 2017,2020, respectively, EOG had outstanding $6,040$4,890 million and $6,390$5,640 million aggregate principal amount of senior notes which had estimated fair values of $6,027$5,577 million and $6,602$6,505 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 2018,2021, EOG funded its capital program and operations primarily by utilizing cash provided by operating activities, cash on hand and proceeds from asset sales and cash provided by borrowings from its commercial paper program.sales.  While EOG maintains a $2.0 billion revolving credit facility to back its commercial paper program, the maximumthere were no borrowings outstanding at any time during 2018 was $208 million,2021 and the amount outstanding at year-end was zero.  There were no amounts outstanding under uncommitted credit facilities during 2018. The average borrowings outstanding under the commercial paper program were $8 million during the year 2018.  EOG considers this excessthe availability which is backed byof 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.




Contractual Obligations

The following table summarizes EOG's contractual obligations at December 31, 2018, (in thousands):
Contractual Obligations (1) (2)
 Total 2019 2020-2021 2022-2023 2024 & Beyond
           
Current and Long-Term Debt $6,040,000
 $900,000
 $1,750,000
 $1,250,000
 $2,140,000
Capital Lease 71,571
 13,384
 27,560
 17,529
 13,098
Non-Cancelable Operating Leases 555,692
 175,787
 218,995
 90,608
 70,302
Interest Payments on Long-Term Debt and Capital Lease 1,276,530
 213,776
 308,379
 227,185
 527,190
Transportation and Storage Service Commitments (3)
 3,781,178
 898,491
 1,370,060
 880,057
 632,570
Drilling Rig Commitments (4)
 391,459
 262,404
 126,398
 2,657
 
Seismic Purchase Obligations 6,898
 6,898
 
 
 
Fracturing Services Obligations 1,048,517
 421,873
 460,088
 164,041
 2,515
Other Purchase Obligations 1,024,301
 385,525
 237,771
 175,250
 225,755
Total Contractual Obligations $14,196,146
 $3,278,138
 $4,499,251
 $2,807,327
 $3,611,430
(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)This table does not include the liability for commitments to purchase fixed quantities of crude oil and natural gas. The amounts are excluded because they are variable and based on future commodity prices. At December 31, 2018, EOG is committed to purchase 3.6 MMBbls of crude oil and 15 Bcf of natural gas in 2019.
(3)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, 2018.  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.
(4)Amounts shown represent minimum future expenditures for drilling rig services.  EOG's expenditures for drilling rig services will exceed such minimum amounts to the extent EOG utilizes the drilling rigs subject to a particular contractual commitment for a period greater than the period set forth in the governing contract or if EOG utilizes drilling rigs in addition to the drilling rigs subject to the particular contractual commitment (for example, pursuant to the exercise of an option to utilize additional drilling rigs provided for in the governing contract).

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 2018,2021, EOG was exposed to foreign currency exchange rate risk inherent in its operations in foreign countries, including Trinidad, China andAustralia, Oman, Canada and, through November 2018, the U.K.  The foreign currency most significant to EOG's operations during 2018 was the British pound.May 2021, in China.  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.




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, NGLNGLs 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 20192022 will impact the amount of cash generated from EOG's operating activities, which will in turn impact EOG's financial position. As of February 19, 2019,18, 2022, the average 20192022 NYMEX crude oil and natural gas prices were $57.15$84.45 per barrel and $2.89$4.61 per MMBtu, respectively, representing a decreasean increase of 12%24% for crude oil and a decreasean increase of 6%20% for natural gas from the average NYMEX prices in 2018.2021. 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.


BasedIncluding the impact of EOG's crude oil and NGL derivative contracts (exclusive of basis swaps) and based on EOG's tax position, EOG's price sensitivity (exclusive of basis swaps) in 20192022 for each $1.00 per barrel increase or decrease in wellhead crude oil and condensate price, combined with the estimated change in NGL price, is approximately $133$107 million for net income and $173$138 million for pretax cash flows from operating activities.  BasedIncluding the impact of EOG's natural gas derivative contracts and based on EOG's tax position and the portion of EOG's anticipated natural gas volumes for 20192022 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 $29$15 million for net income and $37$19 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 19, 2019,18, 2022, see "Derivative"Commodity Derivative Transactions" above.



49


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 Delaware Basin andoil play, 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 costsoffset 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 2022 capital expenditures on leasing acreage, evaluating new prospects, long-term transportation infrastructure and environmental projects.
 
The total anticipated 20192022 capital expenditures of approximately $6.1$4.3 billion to $6.5$4.7 billion, excluding acquisitions and non-cash exchanges,transactions, is structured to maintain EOG's strategy of capital discipline by funding its exploration, developmentand 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, and other uncommitted credit facilities, bank borrowings, borrowings under its $2.0 billion senior unsecured revolving credit facility and equity and debt offerings.
 
Operations. In 2019, both total production and2022, total crude oil, NGLs and natural gas production areis expected to increase from 2018return to prepandemic levels. In 2019,2022, 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 ASU 2016-02. In 2022, EOG anticipates the following cash requirements under these commitments (in millions):


Finance Leases (1)
$42 
Operating Leases (1)
262
Leases Effective, Not Commenced (1)
25
Transportation and Storage Service Commitments (2) (3)
961
Purchase and Service Obligations (3)
374
Total Cash Requirements$1,664
(1)    For more information on contracts that meet the definition of a lease under ASU 2016-02, 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, 2021. 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 2022, EOG has no senior notes maturing and expects to pay interest of $191 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 2022 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.


50


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 the portrayal of 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 commercial reserves.  If commercial quantities of proved commercial reserves are not discovered, such drilling costs are expensed.  In some circumstances, it may be uncertain whether commercial quantities of proved commercial 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 wereare revised upward or downward, earnings wouldwill increase or decrease, respectively.



51


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.

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, 2018, West Texas Intermediate2021, WTI crude oil spot prices have fluctuated from approximately $26.19$(36.98) per barrel to $107.95$85.64 per barrel, and Henry Hub natural gas spot prices have ranged from approximately $1.49$1.33 per MMBtu to $8.15$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 West Texas IntermediateWTI 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 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 (Loss) and Comprehensive Income (Loss).




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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-lookingforward‐looking statements. EOG typically uses words such as "expect," "anticipate," "estimate," "project," "strategy," "intend," "plan," "target," “aims,”"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-lookingforward‐looking statements. In particular, statements, express or implied, concerning EOG's future 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 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-lookingforward‐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 these assumptions are accurate or that any of these expectations will be achieved (in full or at all) or will prove to have been correct. 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, operating and capital costs related to, and (iv) maximize reserve recovery from, its existing and future crude oil and natural gas exploration and development projects;projects and associated potential and existing drilling locations;
the extent to which EOG is successful in its efforts to market its production of crude oil and condensate, NGLs and natural gas liquids, natural gasgas;
security threats, including cybersecurity threats and related commodity production;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 refiningexport 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’sEOG's ability to retain mineral licenses and leases;
the impact of, and changes in, government policies, laws and regulations, including climate change-related regulations, policies and initiatives (for example, with respect to air emissions); tax laws and regulations; climate change and otherregulations (including, but not limited to, carbon tax 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 and natural gas; laws and regulations with respect to derivatives and hedging activities; and laws and regulations with respect to the import and export of crude oil, natural gas and related commodities;
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 measures; 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;
53


EOG's ability to effectively integrate acquired crude oil and natural gas properties into its operations, fully identify existing and potential problems with respect to such properties and accurately estimate reserves, production and drilling, completing and operating costs 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 and other personnel, facilities, equipment, materials (such as water and tubulars) and services;
the accuracy of reserve estimates, which by their nature involve the exercise of professional judgment and may therefore be imprecise;
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 transportationexport 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;
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
physical, electronic and cybersecurity breaches; and
the other factors described under ITEM 1A, Risk Factors on pages 13 through 22 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.



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 "Derivative"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 andDisagreements with Accountants on Accounting and Financial Disclosure


None.



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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, 2018.2021. 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, 2018.2021.


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, 2018.2021. 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, 2018.2021. 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, 2018,2021, that have materially affected, or are reasonably likely to materially affect, EOG's internal control over financial reporting.


ITEM 9B.  Other Information


None.

ITEM 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspection

None.


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 20192022 Annual Meeting of Stockholders to be filed not later than April 30, 20192022 and (ii) Item 1 of this report, specifically the information therein set forth under the caption "Executive Officers of the Registrant."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.


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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.



ITEM 11.  Executive Compensation


The information required by this Item is incorporated by reference from EOG's Definitive Proxy Statement with respect to its 20192022 Annual Meeting of Stockholders to be filed not later than April 30, 2019.2022. 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 20192022 Annual Meeting of Stockholders to be filed not later than April 30, 2019.2022.

In February 2014, EOG's Board of Directors (Board) approved a two-for-one stock split in the form of a stock dividend (payable to stockholders of record as of March 17, 2014, and paid on March 31, 2014) and corresponding adjustments to EOG's equity compensation plans. All share amounts set forth below have been restated to reflect the two-for-one stock split and such adjustments.


Equity Compensation Plan Information


Stock Plans Approved by EOG Stockholders.EOG's stockholders approved the EOG Resources, Inc. 2021 Omnibus Equity Compensation Plan (2021 Plan) at the 2021 Annual Meeting of Stockholders in April 2021. From and after the April 29, 2021 effective date of the 2021 Plan, no further grants have been (or will be) made from the Amended and Restated EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (Amended and Restated 2008 Plan).

The 2021 Plan provides for grants of stock options, SARs, restricted stock and restricted stock units 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 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).

EOG's stockholders approved the EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (2008 Plan) at the 2008 Annual Meeting of Stockholders in May 2008. The 2008 Plan provided for grants of stock options, SARs, restricted stock, restricted stock units, performance units and other stock-based awards to employees and non-employee members of EOG's Board. At the 2010 Annual Meeting of Stockholders in April 2010 (2010 Annual Meeting), EOG's stockholders approved an amendment to the 2008 Plan, was approved, pursuant to which the number of shares of common stock available for future grants of stock options, stock-settled stock appreciation rights (SARs), restricted stock, restricted stock units, performance stock, performance units and other stock-based awards under the 2008 Plan was increased byauthorizing an additional 13.8 million shares to an aggregate maximum of 25.8 million shares plus shares underlying forfeited or canceled grantsEOG common stock for grant under the prior stock plans referenced in the 2008 Plan document.plan. At the 2013 Annual Meeting of Stockholders in May 2013, EOG's stockholders approved the Amended and Restated EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (Amended and Restated 2008 Plan).  As more fully discussed in the Amended and Restated 2008 Plan, document, the Amended and Restated 2008 Plan, among other things, authorizesauthorizing an additional 31.0 million shares of EOG common stock for grant under the plan and extendsextending 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.


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.shares and extend the term of the ESPP to December 31, 2019, unless terminated earlier by its terms or by EOG. 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 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.


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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 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, 2018, 327,3622021, 401,535 phantom shares had been issued. The Deferral Plan is currently EOG's only stock plan that has not been approved by EOG's stockholders.


   


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, 2018.2021.
 
 
 
 
 
 
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 Stockholders 9,759,247
(2) 
$96.90
 16,243,789
(3) 
Equity Compensation Plans Not Approved by EOG Stockholders 273,296
(4) 
N/A
 212,638
(5) 
Total 10,032,543
 $96.90
 16,456,427
 
 
 
 
 
 
 
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 Stockholders11,524,127 (2)$84.37 19,079,181 (3)
Equity Compensation Plans Not Approved by EOG Stockholders300,920 (4)N/A138,465 (5)
Total11,825,047  $84.37 19,217,646  
(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 shares that will be issued upon the vesting of outstanding restricted stock unit and performance unit grants, or Deferral Plan phantom shares, all of which have no exercise price.
(2)Amount includes 910,880 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 539,029 outstanding performance units and assumes, for purposes of this table, (i) 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) accordingly, the issuance, on a one-for-one basis, of an aggregate 539,029 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 143,610 and a maximum of 934,448 performance units could be outstanding and (B) accordingly, a minimum of 143,610 and a maximum of 934,448 shares of EOG common stock could be issued upon the vesting of such grants.
(3)Consists of (i) 13,748,078 shares remaining available for issuance under the Amended and Restated 2008 Plan and (ii) 2,495,711 shares remaining available for purchase under the ESPP.  Pursuant to the fungible share design of 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, performance stock or performance units) counts as 2.45 shares against the aggregate plan share limit.  Thus, from the 13,748,078 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 13,748,078 (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 5,611,460 (i.e., if all shares remaining available for issuance under the Amended and Restated 2008 Plan are issued as full value awards).
(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 273,296 phantom shares issued and outstanding under the Deferral Plan as of December 31, 2018).
(5)Represents phantom shares that remain available for issuance under the Deferral Plan.

(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 units or the vesting of outstanding grants of performance units and restricted stock units with performance-based conditions (collectively, performance 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 (i) 9,968,540 outstanding stock option and SAR grants, (ii) 876,476 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, and (iii) 679,111 outstanding performance units and assumes, for purposes of this table, (A) the application of a 100% performance multiple upon the completion of each of the remaining performance periods in respect of such grants and (B) accordingly, the issuance, on a one-for-one basis, of an aggregate 679,111 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 0 and a maximum of 1,358,222 performance units could be outstanding and (B) accordingly, a minimum of 0 and a maximum of 1,358,222 shares of EOG common stock could be issued upon the vesting of such grants.
(3)Consists of (i) 17,500,011 shares remaining available for issuance under the 2021 Plan and (ii) 1,579,170 shares remaining available for purchase under the ESPP. As noted above, from and after the April 29, 2021 effective date of the 2021 Plan, no further grants have been (or will be) made from the Amended and Restated 2008 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 300,920 phantom shares issued and outstanding under the Deferral Plan as of December 31, 2021).
(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 20192022 Annual Meeting of Stockholders to be filed not later than April 30, 2019.2022.


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 20192022 Annual Meeting of Stockholders to be filed not later than April 30, 2019.2022.




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PART IV


ITEM 15.  Exhibits, 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.




58


EOG RESOURCES, INC.
INDEX TO FINANCIAL STATEMENTS


Page
Consolidated Financial Statements:
Management's Responsibility for Financial Reporting
Report of Independent Registered Public Accounting Firm (PCAOB ID No. 34)
Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) for Each of the Three Years in the Period Ended December 31, 20182021
Consolidated Balance Sheets - December 31, 20182021 and 20172020
Consolidated Statements of Stockholders' Equity for Each of the Three Years in the Period Ended December 31, 20182021
Consolidated Statements of Cash Flows for Each of the Three Years in the Period Ended December 31, 20182021
Notes to Consolidated Financial Statements
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, 2018.2021.  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, 2018.2021.


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. YACOBTIMOTHY K. DRIGGERS
Chairman of the Board andChief Executive OfficerExecutive Vice President and Chief
Chief Executive OfficerFinancial Officer
Houston, Texas
February 26, 201924, 2022



F-2




REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the stockholdersStockholders 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, 20182021 and 2017, and2020, 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, 2018,2021, 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, 2018,2021, 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, 20182021 and 2017,2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2018,2021, 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, 2018,2021, 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 over 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 – Crude Oil and Condensate, NGLs, and Natural Gas Reserves — Refer to Note 1 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 based on estimated proved reserves. The development of the Company’s estimated proved crude oil, NGLs and natural gas reserve volumes requires management to make significant estimates and 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 materially affect the Company’s estimated reserve quantities and the amount of depletion. Proved oil and gas properties were $23 billion as of December 31, 2021, net of accumulated depletion, and depletion was $3.5 billion, 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, required a high degree of auditor judgment and an increased extent of 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 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.

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


/s/ DELOITTE & TOUCHE LLP

Houston, Texas
February 26, 201924, 2022


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




F-4


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




Year Ended December 31202120202019
Operating Revenues and Other
Crude Oil and Condensate$11,125 $5,786 $9,613 
Natural Gas Liquids1,812 668 785 
Natural Gas2,444 837 1,184 
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts(1,152)1,145 180 
Gathering, Processing and Marketing4,288 2,583 5,360 
Gains (Losses) on Asset Dispositions, Net17 (47)124 
Other, Net108 60 134 
Total18,642 11,032 17,380 
Operating Expenses   
Lease and Well1,135 1,063 1,367 
Transportation Costs863 735 758 
Gathering and Processing Costs559 459 479 
Exploration Costs154 146 140 
Dry Hole Costs71 13 28 
Impairments376 2,100 518 
Marketing Costs4,173 2,698 5,352 
Depreciation, Depletion and Amortization3,651 3,400 3,750 
General and Administrative511 484 489 
Taxes Other Than Income1,047 478 800 
Total12,540 11,576 13,681 
Operating Income (Loss)6,102 (544)3,699 
Other Income, Net10 31 
Income (Loss) Before Interest Expense and Income Taxes6,111 (534)3,730 
Interest Expense   
Incurred211 236 223 
Capitalized(33)(31)(38)
Net Interest Expense178 205 185 
Income (Loss) Before Income Taxes5,933 (739)3,545 
Income Tax Provision (Benefit)1,269 (134)810 
Net Income (Loss)$4,664 $(605)$2,735 
Net Income (Loss) Per Share   
Basic$8.03 $(1.04)$4.73 
Diluted$7.99 $(1.04)$4.71 
Average Number of Common Shares   
Basic581 579 578 
Diluted584 579 581 
Comprehensive Income (Loss)   
Net Income (Loss)$4,664 $(605)$2,735 
Other Comprehensive Loss   
Foreign Currency Translation Adjustments(1)(7)(3)
Other, Net of Tax— — 
Other Comprehensive Loss— (7)(3)
Comprehensive Income (Loss)$4,664 $(612)$2,732 
Year Ended December 312018 2017 2016
Operating Revenues and Other     
Crude Oil and Condensate$9,517,440
 $6,256,396
 $4,317,341
Natural Gas Liquids1,127,510
 729,561
 437,250
Natural Gas1,301,537
 921,934
 742,152
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts(165,640) 19,828
 (99,608)
Gathering, Processing and Marketing5,230,355
 3,298,087
 1,966,259
Gains (Losses) on Asset Dispositions, Net174,562
 (99,096) 205,835
Other, Net89,635
 81,610
 81,403
Total17,275,399
 11,208,320
 7,650,632
Operating Expenses 
  
  
Lease and Well1,282,678
 1,044,847
 927,452
Transportation Costs746,876
 740,352
 764,106
Gathering and Processing Costs436,973
 148,775
 122,901
Exploration Costs148,999
 145,342
 124,953
Dry Hole Costs5,405
 4,609
 10,657
Impairments347,021
 479,240
 620,267
Marketing Costs5,203,243
 3,330,237
 2,007,635
Depreciation, Depletion and Amortization3,435,408
 3,409,387
 3,553,417
General and Administrative426,969
 434,467
 394,815
Taxes Other Than Income772,481
 544,662
 349,710
Total12,806,053
 10,281,918
 8,875,913
Operating Income (Loss)4,469,346
 926,402
 (1,225,281)
Other Income (Expense), Net16,704
 9,152
 (50,543)
Income (Loss) Before Interest Expense and Income Taxes4,486,050
 935,554
 (1,275,824)
Interest Expense 
  
  
Incurred269,549
 301,801
 313,341
Capitalized(24,497) (27,429) (31,660)
Net Interest Expense245,052
 274,372
 281,681
Income (Loss) Before Income Taxes4,240,998
 661,182
 (1,557,505)
Income Tax Provision (Benefit)821,958
 (1,921,397) (460,819)
Net Income (Loss)$3,419,040
 $2,582,579
 $(1,096,686)
Net Income (Loss) Per Share 
  
  
Basic$5.93
 $4.49
 $(1.98)
Diluted$5.89
 $4.46
 $(1.98)
Average Number of Common Shares 
  
  
Basic576,578
 574,620
 553,384
Diluted580,441
 578,693
 553,384
Comprehensive Income (Loss) 
  
  
Net Income (Loss)$3,419,040
 $2,582,579
 $(1,096,686)
Other Comprehensive Income (Loss) 
  
  
Foreign Currency Translation Adjustments16,816
 2,799
 12,097
Other, Net of Tax1,123
 (3,086) 2,231
Other Comprehensive Income (Loss)17,939
 (287) 14,328
Comprehensive Income (Loss)$3,436,979
 $2,582,292
 $(1,082,358)


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

F-5



EOG RESOURCES, INC.
CONSOLIDATED BALANCE SHEETS
(In Thousands,Millions, Except Share Data)
At December 312018 2017At December 3120212020
ASSETSASSETSASSETS
Current Assets   Current Assets
Cash and Cash Equivalents$1,555,634
 $834,228
Cash and Cash Equivalents$5,209 $3,329 
Accounts Receivable, Net1,915,215
 1,597,494
Accounts Receivable, Net2,335 1,522 
Inventories859,359
 483,865
Inventories584 629 
Assets from Price Risk Management Activities23,806
 7,699
Assets from Price Risk Management Activities— 65 
Income Taxes Receivable427,909
 113,357
Income Taxes Receivable— 23 
Other275,467
 242,465
Other456 294 
Total5,057,390
 3,279,108
Total8,584 5,862 
Property, Plant and Equipment 
  
Property, Plant and Equipment  
Oil and Gas Properties (Successful Efforts Method)57,330,016
 52,555,741
Oil and Gas Properties (Successful Efforts Method)67,644 64,793 
Other Property, Plant and Equipment4,220,665
 3,960,759
Other Property, Plant and Equipment4,753 4,479 
Total Property, Plant and Equipment61,550,681
 56,516,500
Total Property, Plant and Equipment72,397 69,272 
Less: Accumulated Depreciation, Depletion and Amortization(33,475,162) (30,851,463)Less: Accumulated Depreciation, Depletion and Amortization(43,971)(40,673)
Total Property, Plant and Equipment, Net28,075,519
 25,665,037
Total Property, Plant and Equipment, Net28,426 28,599 
Deferred Income Taxes777
 17,506
Deferred Income Taxes11 
Other Assets800,788
 871,427
Other Assets1,215 1,342 
Total Assets$33,934,474
 $29,833,078
Total Assets$38,236 $35,805 
LIABILITIES AND STOCKHOLDERS' EQUITYLIABILITIES AND STOCKHOLDERS' EQUITYLIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities 
  
Current Liabilities  
Accounts Payable$2,239,850
 $1,847,131
Accounts Payable$2,242 $1,681 
Accrued Taxes Payable214,726
 148,874
Accrued Taxes Payable518 206 
Dividends Payable126,971
 96,410
Dividends Payable436 217 
Liabilities from Price Risk Management Activities
 50,429
Liabilities from Price Risk Management Activities269 — 
Current Portion of Long-Term Debt913,093
 356,235
Current Portion of Long-Term Debt37 781 
Current Portion of Operating Lease LiabilitiesCurrent Portion of Operating Lease Liabilities240 295 
Other233,724
 226,463
Other300 280 
Total3,728,364
 2,725,542
Total4,042 3,460 
Long-Term Debt5,170,169
 6,030,836
Long-Term Debt5,072 5,035 
Other Liabilities1,258,355
 1,275,213
Other Liabilities2,193 2,149 
Deferred Income Taxes4,413,398
 3,518,214
Deferred Income Taxes4,749 4,859 
Commitments and Contingencies (Note 8)

 

Commitments and Contingencies (Note 8)00
Stockholders' Equity 
  
Stockholders' Equity  
Common Stock, $0.01 Par, 1,280,000,000 Shares Authorized and 580,408,117 Shares and 578,827,768 Shares Issued at December 31, 2018 and 2017, respectively205,804
 205,788
Common Stock, $0.01 Par, 1,280,000,000 Shares Authorized and 585,521,512 Shares and 583,694,850 Shares Issued at December 31, 2021 and 2020, respectivelyCommon Stock, $0.01 Par, 1,280,000,000 Shares Authorized and 585,521,512 Shares and 583,694,850 Shares Issued at December 31, 2021 and 2020, respectively206 206 
Additional Paid in Capital5,658,794
 5,536,547
Additional Paid in Capital6,087 5,945 
Accumulated Other Comprehensive Loss(1,358) (19,297)Accumulated Other Comprehensive Loss(12)(12)
Retained Earnings13,543,130
 10,593,533
Retained Earnings15,919 14,170 
Common Stock Held in Treasury, 385,042 Shares and 350,961 Shares at December 31, 2018 and 2017, respectively(42,182) (33,298)
Common Stock Held in Treasury, 257,268 Shares and 124,265 Shares at December 31, 2021 and 2020, respectivelyCommon Stock Held in Treasury, 257,268 Shares and 124,265 Shares at December 31, 2021 and 2020, respectively(20)(7)
Total Stockholders' Equity19,364,188
 16,283,273
Total Stockholders' Equity22,180 20,302 
Total Liabilities and Stockholders' Equity$33,934,474
 $29,833,078
Total Liabilities and Stockholders' Equity$38,236 $35,805 
The accompanying notes are an integral part of these consolidated financial statements.

F-6



EOG RESOURCES, INC.
CONSOLIDATED STATEMENTS 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, 2018$206 $5,659 $(2)$13,543 $(42)$19,364 
Net Income— — — 2,735 — 2,735 
Common Stock Issued Under Stock Plans— — — — — — 
Common Stock Dividends Declared, $1.0825 Per Share— — — (629)— (629)
Other Comprehensive Income— — (3)— — (3)
Change in Treasury Stock - Stock Compensation Plans, Net— (11)— — (8)
Restricted Stock and Restricted Stock Units, Net— (5)— — — 
Stock-Based Compensation Expenses— 175 — — — 175 
Treasury Stock Issued as Compensation— (1)— — 
Balance at December 31, 2019206 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, 2021$206 $6,087 $(12)$15,919 $(20)$22,180 
 
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, 2015$205,502
 $2,923,461
 $(33,338) $9,870,816
 $(23,406) $12,943,035
Net Loss
 
 
 (1,096,686) 
 (1,096,686)
Common Stock Issued for the Yates Transaction252
 2,397,635
 
 
 
 2,397,887
Common Stock Issued Under Stock Plans9
 16,388
 
 
 
 16,397
Common Stock Dividends Declared, $0.67 Per Share
 
 
 (376,012) 
 (376,012)
Other Comprehensive Income
 
 14,328
 
 
 14,328
Change in Treasury Stock - Stock Compensation Plans, Net
 (27,018) 
 
 (48,208) (75,226)
Excess Tax Benefit from Stock-Based Compensation
 29,357
 
 
 
 29,357
Restricted Stock and Restricted Stock Units, Net7
 (47,509) 
 
 47,502
 
Stock-Based Compensation Expenses
 128,090
 
 
 
 128,090
Treasury Stock Issued as Compensation
 (19) 
 
 430
 411
Balance at December 31, 2016205,770
 5,420,385
 (19,010) 8,398,118
 (23,682) 13,981,581
Net Income
 
 
 2,582,579
 
 2,582,579
Common Stock Issued Under Stock Plans7
 7,082
 
 
 
 7,089
Common Stock Dividends Declared, $0.67 Per Share
 
 
 (387,164) 
 (387,164)
Other Comprehensive Loss
 
 (287) 
 
 (287)
Change in Treasury Stock - Stock Compensation Plans, Net
 (27,348) 
 
 (9,395) (36,743)
Restricted Stock and Restricted Stock Units, Net11
 2,552
 
 
 (2,563) 
Stock-Based Compensation Expenses
 133,849
 
 
 
 133,849
Treasury Stock Issued as Compensation
 27
 
 
 2,342
 2,369
Balance at December 31, 2017205,788
 5,536,547
 (19,297) 10,593,533
 (33,298) 16,283,273
Net Income
 
 
 3,419,040
 
 3,419,040
Common Stock Issued Under Stock Plans8
 5,612
 
 
 
 5,620
Common Stock Dividends Declared, $0.81 Per Share
 
 
 (469,443) 
 (469,443)
Other Comprehensive Income
 
 17,939
 
 
 17,939
Change in Treasury Stock - Stock Compensation Plans, Net
 (35,118) 
 
 (13,336) (48,454)
Restricted Stock and Restricted Stock Units, Net8
 (3,891) 
 
 3,883
 
Stock-Based Compensation Expenses
 155,337
 
 
 
 155,337
Treasury Stock Issued as Compensation
 307
 
 
 569
 876
Balance at December 31, 2018$205,804
 $5,658,794
 $(1,358) $13,543,130
 $(42,182) $19,364,188


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

F-7



EOG RESOURCES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In Thousands)Millions)
Year Ended December 31202120202019
Cash Flows from Operating Activities
Reconciliation of Net Income (Loss) to Net Cash Provided by Operating Activities:
Net Income (Loss)$4,664 $(605)$2,735 
Items Not Requiring (Providing) Cash   
Depreciation, Depletion and Amortization3,651 3,400 3,750 
Impairments376 2,100 518 
Stock-Based Compensation Expenses152 146 175 
Deferred Income Taxes(122)(186)632 
(Gains) Losses on Asset Dispositions, Net(17)47 (124)
Other, Net13 12 
Dry Hole Costs71 13 28 
Mark-to-Market Commodity Derivative Contracts   
Total (Gains) Losses1,152 (1,145)(180)
Net Cash Received from (Payments for) Settlements of Commodity Derivative Contracts(638)1,071 231 
Other, Net
Changes in Components of Working Capital and Other Assets and Liabilities   
Accounts Receivable(821)467 (92)
Inventories(13)123 90 
Accounts Payable456 (795)169 
Accrued Taxes Payable312 (49)40 
Other Assets(136)325 358 
Other Liabilities(116)(57)
Changes in Components of Working Capital Associated with Investing Activities(200)75 (115)
Net Cash Provided by Operating Activities8,791 5,008 8,163 
Investing Cash Flows   
Additions to Oil and Gas Properties(3,638)(3,244)(6,152)
Additions to Other Property, Plant and Equipment(212)(221)(270)
Proceeds from Sales of Assets231 192 140 
Other Investing Activities— — (10)
Changes in Components of Working Capital Associated with Investing Activities200 (75)115 
Net Cash Used in Investing Activities(3,419)(3,348)(6,177)
Financing Cash Flows   
Long-Term Debt Borrowings— 1,484 — 
Long-Term Debt Repayments(750)(1,000)(900)
Dividends Paid(2,684)(821)(588)
Treasury Stock Purchased(41)(16)(25)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan19 16 18 
Debt Issuance Costs— (3)(5)
Repayment of Finance Lease Liabilities(37)(19)(13)
Net Cash Used in Financing Activities(3,493)(359)(1,513)
Effect of Exchange Rate Changes on Cash— (1)
Increase in Cash and Cash Equivalents1,880 1,301 472 
Cash and Cash Equivalents at Beginning of Year3,329 2,028 1,556 
Cash and Cash Equivalents at End of Year$5,209 $3,329 $2,028 
Year Ended December 312018 2017 2016
Cash Flows from Operating Activities     
Reconciliation of Net Income (Loss) to Net Cash Provided by Operating Activities:     
Net Income (Loss)$3,419,040
 $2,582,579
 $(1,096,686)
Items Not Requiring (Providing) Cash 
  
  
Depreciation, Depletion and Amortization3,435,408
 3,409,387
 3,553,417
Impairments347,021
 479,240
 620,267
Stock-Based Compensation Expenses155,337
 133,849
 128,090
Deferred Income Taxes894,156
 (1,473,872) (515,206)
(Gains) Losses on Asset Dispositions, Net(174,562) 99,096
 (205,835)
Other, Net7,066
 6,546
 61,690
Dry Hole Costs5,405
 4,609
 10,657
Mark-to-Market Commodity Derivative Contracts 
  
  
Total (Gains) Losses165,640
 (19,828) 99,608
Net Cash Received from (Payments for) Settlements of Commodity Derivative Contracts(258,906) 7,438
 (22,219)
Excess Tax Benefits from Stock-Based Compensation
 
 (29,357)
Other, Net3,108
 1,204
 10,971
Changes in Components of Working Capital and Other Assets and Liabilities 
  
  
Accounts Receivable(368,180) (392,131) (232,799)
Inventories(395,408) (174,548) 170,694
Accounts Payable439,347
 324,192
 (74,048)
Accrued Taxes Payable(92,461) (63,937) 92,782
Other Assets(125,435) (658,609) (40,636)
Other Liabilities10,949
 (89,871) (16,225)
Changes in Components of Working Capital Associated with Investing and Financing Activities301,083
 89,992
 (156,102)
Net Cash Provided by Operating Activities7,768,608
 4,265,336
 2,359,063
Investing Cash Flows 
  
  
Additions to Oil and Gas Properties(5,839,294) (3,950,918) (2,489,756)
Additions to Other Property, Plant and Equipment(237,181) (173,324) (93,039)
Proceeds from Sales of Assets227,446
 226,768
 1,119,215
Net Cash Received from Yates Transaction
 
 54,534
Other Investing Activities(19,993) 
 
Changes in Components of Working Capital Associated with Investing Activities(301,140) (89,935) 156,102
Net Cash Used in Investing Activities(6,170,162) (3,987,409) (1,252,944)
Financing Cash Flows 
  
  
Net Commercial Paper Repayments
 
 (259,718)
Long-Term Debt Borrowings
 
 991,097
Long-Term Debt Repayments(350,000) (600,000) (563,829)
Dividends Paid(438,045) (386,531) (372,845)
Excess Tax Benefits from Stock-Based Compensation
 
 29,357
Treasury Stock Purchased(63,456) (63,408) (82,125)
Proceeds from Stock Options Exercised and Employee Stock Purchase Plan20,560
 20,840
 23,296
Debt Issuance Costs
 
 (1,602)
Repayment of Capital Lease Obligation(8,219) (6,555) (6,353)
Changes in Components of Working Capital Associated with Financing Activities57
 (57) 
Net Cash Used in Financing Activities(839,103) (1,035,711) (242,722)
Effect of Exchange Rate Changes on Cash(37,937) (7,883) 17,992
Increase (Decrease) in Cash and Cash Equivalents721,406
 (765,667) 881,389
Cash and Cash Equivalents at Beginning of Year834,228
 1,599,895
 718,506
Cash and Cash Equivalents at End of Year$1,555,634
 $834,228
 $1,599,895


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

F-8



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.), 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.  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, commodity derivative contracts, accounts receivable, accounts payable and current and long-term debt.  The carrying values of cash and cash equivalents, 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 partners in oil and gas operations, 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.



F-9


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.


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, 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 Accounting Standards Update (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):

 As Reported Amounts Without Adoption of ASU 2014-09 Effect 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, natural gas liquids (NGLs)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 on January 1, 2018 andas of December 31, 2018,2021 and 2020, were $1,343$2,130 million and $1,460$1,337 million, respectively, and arewere 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.





F-10


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.


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.


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, crude-by-rail assets, sand mine and 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.  Derivative instruments are recorded on the balance sheet as either an asset or liability measured at fair value, and changes in the derivative's fair value are recognized currently in earnings unless specific hedge accounting criteria are met.  During the three-year period ended December 31, 2018,2021, 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 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 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.




In March 2018,Effective January 1, 2021, EOG adopted the FASB issued ASU 2018-05,provisions of Accounting Standards Update (ASU), "Income Taxes (Topic 740) - Amendments to SEC Paragraphs Pursuant to SEC StaffSimplifying the Accounting Bulletin No. 118"for Income Taxes" (ASU 2018-05)2019-12). In December 2017, the United States (U.S.) enacted the Tax Cuts and Jobs Act (TCJA), which made significant changes to U.S. federal income tax law. Shortly after enactment of the TCJA, the United States Securities and Exchange Commission staff issued Staff Accounting Bulletin No. 118 (SAB 118), which provides guidance on accounting for the impact of the TCJA. ASU 2018-05 codified various paragraphs of SAB 118 and was effective upon issuance. Under ASU 2018-05, an entity will use a similar approach as the measurement period provided in the Business Combinations Topic of the ASC. An entity will recognize those matters for which the accounting can be completed. For matters that have not been completed, the entity will either (1) recognize provisional amounts to the extent that they are reasonably able to be estimated and adjust them over time as more information becomes available or (2) for any specific income tax effects of the TCJA for which a reasonable estimate cannot be determined, continue to apply the Income Taxes Topic of the ASC on the basis of the provisions of the tax laws that were in effect immediately before the TCJA was signed into law. EOG has prepared its Consolidated Financial Statements for the year ended December 31, 2018 in accordance with ASU 2018-05. As discussed in EOG's 2017 Annual Report, provisional amounts were recorded for tax accruals as of December 31, 2017 for2019-12 amends certain aspects of accounting for income taxes, including the TCJA.removal of specific exceptions within existing U.S. GAAP related to the incremental approach for intraperiod tax allocation and updates 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. The effects of ASU 2019-12 applicable to EOG has updated and finalized the 2017 U.S. federal and state provisional amounts. See Note 6.were all required on a prospective basis. There was no impact upon adoption of ASU 2019-12 to EOG's consolidated financial statements or related disclosures.


F-11


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 in the current period. See Notes 4 and 17.Note 4.


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.


Recently Issued Accounting Standards. In February 2016,Leases. Effective January 1, 2019, EOG adopted the FASB issuedprovisions of ASU 2016-02, "Leases (Topic 842)" (ASU 2016-02), which significantly changes accounting for leases by requiring. ASU 2016-02 and other related ASUs require that lessees recognize a right-of-use (ROU) asset and a related lease liability, representing the obligation to make lease payments for certain lease transactions. Additional disclosures about an entity's lease transactions, will also be required. ASU 2016-02 defines a lease as "a contract, or part of a contract, that conveyson the rightConsolidated Balance Sheets and disclose additional leasing information.

EOG elected to control the use of identified property, plant or equipment (an identified asset) for a period of time in exchange for consideration." In January 2018, the FASB issued ASU 2018-01, "Leases (Topic 842) - Land Easement Practical Expedient for Transition to Topic 842" (ASU 2018-01), which permits an entity an optional election to not evaluate under ASU 2016-02 those existing or expired land easements that were not previously accounted for as leases prior to the adoption of ASU 2016-02. Additionally, in July 2018, the FASB issued ASU 2018-11, “Leases (Topic 842) - Targeted Improvements” (ASU 2018-11), which permits an entity (i) to apply the provisions of ASU 2016-02 at the adoption date instead of the earliest period presented in the financial statements, and, as a lessor, (ii) to account for lease and nonlease components as a single component as the nonlease components would otherwise be accounted for under the provisions of ASU 2014-09.adopt ASU 2016-02 and other related ASUs are effective for interim and annual periods beginning after December 31, 2018, and early application is permitted. Based onusing the provisions of ASU 2018-11 and other related ASUs, lessees and lessors may recognize and measure leases at the beginning of the earliest period presented in the financial statements, defined as the effective date, using a modified retrospective approach or at the adoption date by recognizingwith a cumulative-effect adjustment to the opening balance of retained earnings.

EOG is continuingearnings as of the effective date. Financial results reported in periods prior to progress towards the adoption of ASU 2016-02 by implementing its project plan, including a lease accounting software solution. EOG has assessed the scope of its current contractual arrangements, reviewed its existing contracts and is continuing to evaluate certain operational and corporate policies and processes in light of these findings. EOG enters into contracts for drilling services, fracturing services, compression, real estate and other contracts which contain equipment and other assets used in its exploration, development and production activities and corporate functions. Certain of these contracts will require recognition of a right-of-use asset and related lease liability on the Consolidated Balance Sheet, while others will require disclosure within the Notes to the Consolidated Financial Statements.



The impact upon adoption of ASU 2016-02 and other related ASUs is not quantifiable due to the pending determination by EOG of certain accounting policies, including the separation of lease and non-lease components for certain classes of underlying assets, among others. The adoption of ASU 2016-02 and other related ASUs will significantly increase assets and liabilities related to operating leases on the Consolidated Balance Sheets. Non-cancelable operating leases, which will be considered for recognition or disclosure upon adoption of ASU 2016-02 and other related ASUs, totaled $2.0 billion on an undiscounted basis at December 31, 2018, and are included within total minimum commitments in Note 8.

EOG will elect the practical expedient under ASU 2018-11 and apply the provisions of ASU 2016-02 on the adoption date, January 1, 2019.2019, are unchanged. Additionally, EOG will electelected 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 willdid not elect the practical expedient of hindsight when determining the lease term of existing contracts at the effective date. EOG also will electelected 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. 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.

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 salt 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 has evaluated the provisions of ASU 2020-04 and does not expect the application of ASU 2020-04 to have a material impact on its consolidated financial statements and related disclosures related to its $2.0 billion senior unsecured Revolving Credit Agreement.


F-12


2.  Long-Term Debt


Long-Term Debt at December 31, 20182021 and 20172020 consisted of the following (in thousands)millions):
 20212020
4.100% Senior Notes due 2021$— $750 
2.625% Senior Notes due 20231,250 1,250 
3.15% Senior Notes due 2025500 500 
4.15% Senior Notes due 2026750 750 
6.65% Senior Notes due 2028140 140 
4.375% Senior Notes due 2030750 750 
3.90% Senior Notes due 2035500 500 
5.10% Senior Notes due 2036250 250 
4.950% Senior Notes due 2050750 750 
Long-Term Debt4,890 5,640 
Finance Leases (see Note 18)250 212 
Less: Current Portion of Long-Term Debt37 781 
Unamortized Debt Discount27 31 
Debt Issuance Costs
Total Long-Term Debt$5,072 $5,035 
 2018 2017
    
6.875% Senior Notes due 2018$
 $350,000
5.625% Senior Notes due 2019900,000
 900,000
4.40% Senior Notes due 2020500,000
 500,000
2.45% Senior Notes due 2020500,000
 500,000
4.100% Senior Notes due 2021750,000
 750,000
2.625% Senior Notes due 20231,250,000
 1,250,000
3.15% Senior Notes due 2025500,000
 500,000
4.15% Senior Notes due 2026750,000
 750,000
6.65% Senior Notes due 2028140,000
 140,000
3.90% Senior Notes due 2035500,000
 500,000
5.10% Senior Notes due 2036250,000
 250,000
Long-Term Debt6,040,000
 6,390,000
Capital Lease Obligation71,571
 32,155
Less: Current Portion of Long-Term Debt913,093
 356,235
Unamortized Debt Discount24,640
 30,564
Debt Issuance Costs3,669
 4,520
Total Long-Term Debt$5,170,169
 $6,030,836


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, 2018,2021, the aggregate annual maturities of long-term debt (excluding capitalfinance lease obligations) were $900zero in 2022, $1.25 billion in 2023, zero in 2024, $500 million in 2019, $1 billion in 2020,2025 and $750 million in 2021, zero in 2022 and $1.25 billion in 2023.  2026. 

At December 31, 20182021 and 2017,2020, EOG had no outstanding short-term borrowings under its commercial paper program and no outstanding borrowings under uncommitted credit facilities.

During 2018 and 2017, EOG utilized commercial paper bearing market interest rates, for various corporate financing purposes. The average borrowings outstanding under the commercial paper program were $8 million and $84 million during the years ended December 31, 2018 and 2017, respectively. The weighted average interest rates for commercial paper borrowings were 1.97% and 1.44% for the years 2018did not utilize any commercial paper borrowings during 2021 and 2017, respectively.2020.


On OctoberFebruary 1, 2018,2021, EOG repaid upon maturity the $350$750 million aggregate principal amount of its 6.875%4.100% Senior Notes due 2018.2021.


On September 15, 2017,June 1, 2020, EOG repaid upon maturity the $600$500 million aggregate principal amount of its 5.875%4.40% Senior Notes due 2017.2020.



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 above), 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.



F-13


EOG currently has a $2.0 billion senior unsecured Revolving Credit Agreement (Agreement)(the Agreement) with domestic and foreign lenders.lenders (Banks). The Agreement has a scheduled maturity date of July 21, 2020,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 London InterBank Offered RateLIBOR 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 debt-to-total capitalization ratio of total debt-to-capitalization (as such terms are defined in the Agreement) of no greater than 65%. At December 31, 2018,2021, EOG was in compliance with this financial covenant. At December 31, 20182021 and 2017,December 31, 2020, there were no borrowings or letters of credit outstanding under the Agreement. The Eurodollar rate and applicable base rate (inclusive of the applicable margin), had there been any amounts borrowed under the Agreement at December 31, 2018,2021, would have been 3.50%1.00% and 5.50%3.25%, respectively.


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, 2018,authorizations (September 2001 Authorization). EOG last repurchased shares under the September 2001 Authorization in March 2003.  As of November 3, 2021, 6,386,200 shares remained available for purchase under this authorization.September 2001 Authorization.  Effective November 4, 2021, the Board (i) established a new share repurchase authorization to allow for the repurchase by EOG last purchasedof up to $5 billion of common stock (November 2021 Authorization) and (ii) revoked and terminated the September 2001 Authorization. EOG did not repurchase any shares under the November 2021 Authorization during the period from November 4, 2021 through December 31, 2021 and, accordingly, $5 billion remained available for purchase under the November 2021 Authorization as of its Common Stock under this authorization in March 2003.  In addition, sharesDecember 31, 2021.

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 performance stock 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 have not counted against the September 2001 Authorization, and such shares withheld or returned on or subsequent to November 4, 2021 will not count against the Board authorization discussed above.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 August 2, 2018, EOG'sFebruary 24, 2022, the Board declared a quarterly cash dividend on the common stock of Directors$0.75 per share payable April 29, 2022, to stockholders of record as of April 15, 2022. The Board also declared a special dividend of $1.00 per share payable 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 by 19% from the previous $0.1850$0.4125 per share to $0.22$0.75 per share, effective beginning with the dividend paid on October 31, 2018,January 28, 2022, to stockholders of record as of October 17, 2018. 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 of $0.4125 per share also paid on July 30, 2021 to stockholders of record as of July 16, 2021).

On February 27, 2018, EOG's25, 2021, the Board increased the quarterly cash dividend on the common stock by 10% from the previous $0.1675$0.375 per share to $0.1850$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 April 30, 2018,July 31, 2019, to stockholders of record as of April 16, 2018. EOG declared and paid quarterly cash dividends of $0.1675 per share in 2017 and 2016.July 17, 2019.

F-14


On February 15, 2017, the Board approved an amendment to EOG's Restated Certificate of Incorporation to increase the number of EOG's authorized shares of common stock from 640 million to 1,280 million. EOG's stockholders approved the increase at the Annual Meeting of Stockholders on April 27, 2017, and the amendment was filed with the Delaware Secretary of State on April 28, 2017.

On October 4, 2016, EOG issued approximately 25 million shares of EOG common stock in connection with the Yates transaction. See Note 17.






The following summarizes Common Stock activity for each of the years ended December 31, 2016, 20172021, 2020 and 20182019 (in thousands):
 Common Shares
 Issued Treasury Outstanding
      
Balance at December 31, 2015550,151
 (292) 549,859
Common Stock Issued25,204
 
 25,204
Common Stock Issued Under Stock-Based Compensation Plans1,500
 
 1,500
Treasury Stock Purchased (1)

 (922) (922)
Common Stock Issued Under Employee Stock Purchase Plan95
 117
 212
Treasury Stock Issued Under Stock-Based Compensation Plans
 847
 847
Balance at December 31, 2016576,950
 (250) 576,700
Common Stock Issued Under Stock-Based Compensation Plans1,878
 
 1,878
Treasury Stock Purchased (1)

 (686) (686)
Common Stock Issued Under Employee Stock Purchase Plan
 180
 180
Treasury Stock Issued Under Stock-Based Compensation Plans
 405
 405
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 Plan
 180
 180
Treasury Stock Issued Under Stock-Based Compensation Plans
 325
 325
Balance at December 31, 2018580,408
 (385) 580,023
 Common Shares
 IssuedTreasuryOutstanding
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 107 224 
Treasury Stock Issued Under Stock-Based Compensation Plans— 289 289 
Balance at December 31, 2019582,213 (299)581,914 
Common Stock Issued Under Stock-Based Compensation Plans1,482 — 1,482 
Treasury Stock Purchased (1)
— (389)(389)
Common Stock Issued Under Employee Stock Purchase Plan— 377 377 
Treasury Stock Issued Under Stock-Based Compensation Plans— 187 187 
Balance at December 31, 2020583,695 (124)583,571 
Common Stock Issued Under Stock-Based Compensation Plans1,511 — 1,511 
Treasury Stock Purchased (1)
— (504)(504)
Common Stock Issued Under Employee Stock Purchase Plan316 — 316 
Treasury Stock Issued Under Stock-Based Compensation Plans— 371 371 
Balance at December 31, 2021585,522 (257)585,265 
(1)
(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 performance stock or performance unit grants or (ii) in payment of the exercise price of employee stock options.


Preferred Stock.  EOG currently has one authorized series of preferred stock.  As of December 31, 2018,2021, there were no shares of preferred stock outstanding.




F-15


4.  Accumulated Other Comprehensive Income (Loss)Loss


Accumulated other comprehensive income (loss)loss includes certain transactions that have generally been reported in the Consolidated Statements of Stockholders' Equity. The components of Accumulated Other Comprehensive Income (Loss)Loss at December 31, 20182021 and 20172020 consisted of the following (in thousands)millions):
Foreign Currency Translation AdjustmentOtherTotal
December 31, 2019$(3)$(2)$(5)
Other comprehensive loss before taxes(7)— (7)
Tax effects— — — 
Other comprehensive loss(7)— (7)
December 31, 2020(10)(2)(12)
Other comprehensive loss before taxes(1)— 
Tax effects— — — 
Other comprehensive loss(1)— 
December 31, 2021$(11)$(1)$(12)
 Foreign Currency Translation Adjustment Other Total
      
December 31, 2016$(19,441) $431
 $(19,010)
Other comprehensive income (loss) before reclassifications2,799
 (3,728) (929)
Tax effects
 642
 642
Other comprehensive income (loss)2,799
 (3,086) (287)
December 31, 2017(16,642) (2,655) (19,297)
Other comprehensive income before reclassifications2,451
 1,131
 3,582
Amounts reclassified out of other comprehensive income (loss) (1)
14,365
 
 14,365
Tax effects
 (8) (8)
Other comprehensive income16,816
 1,123
 17,939
December 31, 2018$174
 $(1,532) $(1,358)

(1)Reclassified to Net Income (Loss) - Gains (Losses) on Asset Dispositions, Net. See Note 17.

No significant amount was reclassified out of Accumulated Other Comprehensive Income (Loss)Loss during the yearyears ended December 31, 2017.2021, 2020 and 2019.


5.  Other Income, (Expense), Net


Other income, net for 20182021 included interest income ($12 million), a downward adjustment to deferred compensation expense ($6 million) and equity income from investments in ammonia plants in Trinidad ($218 million), partially offset by net foreign currency transaction losses ($(7) million). Other income, net for 2017 included net foreign currency transaction gains ($8 million), and interest income ($8 million) and equity income from investments in ammonia plants in Trinidad ($3 million), partially offset by an upward adjustment to deferred compensation expense ($(6)13 million). Other expense,income, net for 20162020 included net foreign currency transaction lossesinterest income ($(41) million) and an upward adjustment to deferred compensation expense ($(11)12 million), partially offset by equity incomelosses from investments in ammonia plants in Trinidad ($42 million). Other income, net for 2019 included interest income ($26 million) and net foreign currency transaction gains ($2 million).


F-16


6.  Income Taxes

As described in Note 1, EOG finalized the accounting impact of the TCJA on its provisional income tax accruals during 2018 in accordance with ASU 2018-05. Following is a description of each provisional tax accrual and the reason it was adjusted.

During the third quarter of 2018, EOG filed its consolidated 2017 U.S. federal income tax return, along with certain tax elections, and finalized its foreign earnings and profits study. The deemed repatriation tax decreased from the provisional amount of $179 million to $40 million mostly as a result of reducing the repatriation taxable income by net operating losses (NOLs). EOG previously expected to pay the repatriation tax in installments over eight years and preserve NOLs for utilization in future years, as allowed by the TCJA. However, the Internal Revenue Service (IRS) stated in recent guidance that no tax refunds would be issued until the entire repatriation tax liability is satisfied, regardless of the installment election. As a result, EOG did not make the installment election and instead utilized NOLs to reduce the repatriation taxable income. EOG has reviewed the tax consequences of the repatriation tax on its outside basis differences in its investment in non-U.S. subsidiaries and no U.S. federal deferred tax liability is currently required.



EOG recorded a provisional amount in 2017 for its refundable alternative minimum tax (AMT) credits due to the lack of guidance, at that time, on whether any portion of these credits would be sequestered due to a federal budgetary provision. In the first quarter of 2018, the IRS affirmed that any refundable AMT credits resulting from the TCJA would be subject to sequestration. However, in the fourth quarter of 2018, the IRS reversed their decision. Accordingly, EOG eliminated the provisional sequestration accrual and recognized a $42 million tax benefit for the year.

The remeasurement of U.S. deferred tax assets and liabilities resulted in a provisional net tax benefit of $2.2 billion in 2017, which was increased by approximately $52 million in the third quarter of 2018 due to the utilization of the aforementioned NOLs at the 2017 U.S. federal corporate income tax rate of 35% instead of the future tax rate of 21%. This tax benefit, along with the sequestration benefit and other less significant tax reform adjustments, lowered the 2018 full year effective tax rate approximately three percentage points.


The principal components of EOG's total net deferred income tax liabilities at December 31, 20182021 and 20172020 were as follows (in thousands)millions):
 20212020
Deferred Income Tax Assets (Liabilities)  
Foreign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and Amortization$(19)$25 
Foreign Asset Retirement Obligations51 — 
Foreign Accrued Expenses and Liabilities15 — 
Foreign Net Operating Loss80 74 
Foreign Valuation Allowances(111)(97)
Foreign Other(5)— 
Total Net Deferred Income Tax Assets$11 $2 
Deferred Income Tax (Assets) Liabilities  
Oil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and Amortization$5,063 $5,028 
Commodity Hedging Contracts(97)15 
Deferred Compensation Plans(57)(43)
Equity Awards(86)(103)
Undistributed Foreign Earnings— 10 
Other(74)(48)
Total Net Deferred Income Tax Liabilities$4,749 $4,859 
Total Net Deferred Income Tax Liabilities$4,738 $4,857 
 2018 2017
Deferred Income Tax Assets (Liabilities) 
  
Foreign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and Amortization$4,359
 $(40,851)
Foreign Net Operating Loss55,175
 423,258
Foreign Valuation Allowances(58,932) (365,379)
Foreign Other175
 478
Total Net Deferred Income Tax Assets$777
 $17,506
Deferred Income Tax (Assets) Liabilities 
  
Oil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and Amortization$4,819,222
 $3,894,739
Commodity Hedging Contracts4,883
 (12,008)
Deferred Compensation Plans(39,086) (35,832)
Accrued Expenses and Liabilities(19,097) 12,094
Net Operating Loss - Federal
 (69,262)
Non-Producing Leasehold Costs(88,594) (47,981)
Seismic Costs Capitalized for Tax(164,932) (109,423)
Equity Awards(93,977) (92,696)
Capitalized Interest17,821
 51,345
Alternative Minimum Tax Credit Carryforward
 (77,114)
Undistributed Foreign Earnings22,945
 19,684
Other(45,787) (15,332)
Total Net Deferred Income Tax Liabilities$4,413,398
 $3,518,214
Total Net Deferred Income Tax Liabilities$4,412,621
 $3,500,708



The components of Income (Loss) Before Income Taxes for the years indicated below were as follows (in thousands)millions):
 202120202019
United States$5,787 $(756)$3,466 
Foreign146 17 79 
Total$5,933 $(739)$3,545 

F-17

 2018 2017 2016
      
United States$4,084,156
 $621,610
 $(1,520,573)
Foreign156,842
 39,572
 (36,932)
Total$4,240,998
 $661,182
 $(1,557,505)




The principal components of EOG's Income Tax Provision (Benefit) for the years indicated below were as follows (in thousands)millions):
 2018 2017 2016
Current:     
Federal$(303,853) $33,058
 $11,567
State17,048
 (2,502) (8,369)
Foreign65,615
 35,323
 51,189
Total(221,190) 65,879
 54,387
Deferred: 
  
  
Federal862,075
 (1,504,288) (532,979)
State43,293
 26,942
 4,876
Foreign(11,212) 3,474
 12,897
Total894,156
 (1,473,872) (515,206)
Other Non-Current:     
Federal148,992
(1)(513,404)(2)
Income Tax Provision (Benefit)$821,958
 $(1,921,397) $(460,819)
 202120202019
Current:
Federal$1,203 $(108)$(152)
State85 10 
Foreign105 40 81 
Total1,393 (61)(61)
Deferred:   
Federal(41)(153)627 
State(62)(15)33 
Foreign(19)(18)(28)
Total(122)(186)632 
Other Non-Current: (1)
Federal— 113 245 
Foreign(2)— (6)
Total(2)113 239 
Income Tax Provision (Benefit)$1,269 $(134)$810 
(1)Includes change in refundable AMT credits and the reversal of the repatriation tax accrued in 2017. See previous discussion regarding the filing of EOG's 2017 U.S. federal income tax return for details.
(2)Includes refundable AMT credits net of the repatriation tax that was expected to be paid post-2017.

(1)    Includes changes in certain amounts that are expected to be paid or received beyond the next twelve months. The primary component in 2020 and 2019 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:
 202120202019
Statutory Federal Income Tax Rate21.0 %21.0 %21.0 %
State Income Tax, Net of Federal Benefit0.3 0.9 1.0 
Income Tax Provision Related to Foreign Operations0.9 (0.1)0.9 
Income Tax Provision Related to Canadian Operations— (2.4)— 
Stock-Based Compensation0.2 (2.9)— 
Other(1.0)1.7 — 
Effective Income Tax Rate21.4 %18.2 %22.9 %
 2018 2017 2016
Statutory Federal Income Tax Rate21.00 % 35.00 % 35.00 %
State Income Tax, Net of Federal Benefit1.12
 3.38
 0.15
Income Tax Provision Related to Foreign Operations0.51
 (0.30) (1.23)
Income Tax Provision Related to Trinidad Operations
 
 (3.71)
Income Tax Provision Related to United Kingdom Operations
 1.78
 
Income Tax Provision Related to Canadian Operations
 2.30
 
TCJA(2.60)(1)(328.10)(2)
Share-Based Compensation (3)
(0.47) (4.63) 
Other(0.18) (0.03) (0.62)
Effective Income Tax Rate19.38 % (290.60)% 29.59 %

The net effective tax rate of 21% in 2021 was higher than the prior year rate of 18% mostly due to taxes attributable to EOG's foreign operations and stock-based compensation tax deficiencies increasing the effective tax rate on pretax income in 2021 and decreasing the effective tax rate on pretax loss in 2020.
(1)Includes impact of utilizing certain tax NOLs ((1.2)%), the IRS's reversal of its sequestration decision ((1.0)%) and other tax reform impacts ((0.4)%).
(2)Includes impact of the federal rate reduction ((327.8)%), federal repatriation tax ((6.6)%), sequestration (6.4%) and other tax reform impacts ((0.1)%).
(3)Effective January 1, 2017, EOG adopted the provisions of ASU 2016-09, "Improvements to Employee Share-Based Payment Accounting" (ASU 2016-09), which provides that share-based compensation tax benefits and deficiencies are recognized in the income tax provision.


Deferred tax assets are recorded for future deductible amounts and certain other tax benefits, includingsuch as tax 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-18



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):
 2018 2017 2016
      
Beginning Balance$466,421
 $383,221
 $506,127
Increase (1)
23,062
 67,333
 37,221
Decrease (2)
(26,219) (13,687) (12,667)
Other (3)
(296,122) 29,554
 (147,460)
Ending Balance$167,142
 $466,421
 $383,221
 202120202019
Beginning Balance$219 $201 $167 
Increase (1)
15 25 31 
Decrease (2)
(14)(11)— 
Other (3)
(1)
Ending Balance$219 $219 $201 
(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 allowance.
(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. The Argentina operations were sold in the third quarter of 2016.

(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.

As of December 31, 2018,2021, EOG had state income tax NOLs being carried forward of approximately $1.8 billion, which, if unused,$2 billion. Certain state NOLs have an indefinite carryforward and all others expire between 20192022 and 2037.2040. EOG also has Canadian NOLs of $183$297 million, some of which can be carried forward up to 20 years. As described above,previously, these NOLs as well asand other less significant future 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 likely than not” threshold.


The total balance of unrecognized tax benefits for all jurisdictions at December 31, 2018,2021, was $29$9 million, resulting from the tax treatment of its research and experimental expenditures related to certain innovations in its horizontal drilling and completion projects,compensation deductions, of which $12 millionthe full amount may potentially have an earnings impact. EOG records interest and penalties related to unrecognized tax benefits to its income tax provision. Currently $2 million ofNo interest expense has been recognized in the Consolidated Statements of Income (Loss) and Comprehensive Income (Loss). related to the unrecognized tax benefits as these positions are immaterial or will be claimed either on amended returns or as self-proposed audit adjustments, which if sustained, will result in refunds. EOG does not anticipateanticipates that the amount of the unrecognized tax benefits willmay change materiallydue to favorable audit developments expected to occur 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 (2014)(2017), Trinidad (2013)(2014) and China (2008)Oman (2020).


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, 2018, EOG has cumulatively recorded $23 million of deferred foreign income taxes for withholdings on its undistributed foreign earnings.differences. Additionally, for tax years beginning in 2018 and later, 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.


7.  Employee Benefit Plans


Stock-Based Compensation


During 2018,2021, 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, 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-19



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, 2018, 20172021, 2020 and 20162019 was as follows (in millions):
 202120202019
Lease and Well$49 $52 $56 
Gathering and Processing Costs
Exploration Costs20 21 26 
General and Administrative80 72 92 
Total$152 $146 $175 
 2018 2017 2016
      
Lease and Well$51
 $41
 $38
Gathering and Processing Costs1
 1
 1
Exploration Costs25
 23
 21
General and Administrative78
 69
 68
Total$155
 $134
 $128


The Amended and Restated EOG Resources, Inc. 2008 Omnibus Equity Compensation Plan (2008 Plan) provided 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, performancerestricted stock andunits with performance-based conditions (together with the performance units granted under the 2008 Plan, "Performance Units") and other stock-based awards. 

Beginning withawards, up to an aggregate maximum of 20 million shares of common stock, plus any shares that are subject to outstanding awards under the 2008 Plan as of April 29, 2021, that are subsequently canceled, forfeited, expire or are otherwise not issued or are settled in cash. Under the 2021 Plan, grants may be made effective September 25, 2017, the Compensation Committeeto employees and non-employee members of theEOG's Board of Directors of EOG (Committee) approved revised(Board).

The vesting schedules for grants of stock options, SARs, restricted stock and restricted stock units, and performance units. These revised vesting schedules will apply to all future grantsPerformance Units are generally as well, until revised, amended or otherwise determined by the Committee.
follows:
Grant TypePrevious Vesting ScheduleRevised Vesting Schedule
Stock Options/SARsVesting in 25% increments on each of the first four anniversaries of the date of grantVesting in increments of 33%, 33% and 34%one-third on each of the first three anniversaries, respectively, of the date of grant
Restricted Stock/Restricted Stock Units"Cliff" vesting five years from the date of grant"Cliff" vesting three years from the date of grant
Performance Units"Cliff" vesting five years from the date of grant (except for the December 2016 grant, which will "cliff" vest approximately three years from the date of grant)
"Cliff" vesting approximately 41 months from the date of grant - specifically, on the February 28th immediately28th following the Committee’s certifications contemplated bythree-year performance period and the formCompensation and Human Resources Committee's certification of award agreement governing grants ofthe applicable performance units
multiple


At December 31, 2018,2021, approximately 13.718 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 2018, 20172021, 2020 and 2016,2019, EOG issued shares in connection with stock option/SAR exercises, restricted stock and performance stock grants, restricted stock unit and performance unitPerformance Unit releases and ESPP purchases.  Effective January 1, 2017, with the adoption of ASU 2016-09, EOG began recognizing incomeNet tax associated with excess tax benefits and tax deficiencies as discrete benefits and expenses, respectively, in the income tax provision. Net excess tax benefits recognized within the income tax provision were $20$(11) million, $(22) million and $32$(1) million for the twelve monthsyears ended December 31, 20182021, 2020 and 2017,2019, respectively. Prior to the adoption of ASU 2016-09, EOG recognized, as an adjustment to Additional Paid in Capital, federal income tax benefits of $29 million for 2016 related to the exercise of stock options/SARs and the release of restricted stock, restricted stock units, performance stock and performance units.





F-20


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 stock 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.


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 $60$48 million, $56$62 million and $57$63 million for the years ended December 31, 2018, 20172021, 2020 and 2016,2019, respectively.


Weighted average fair values and valuation assumptions used to value stock option, SAR and ESPP grants for the years ended December 31, 2018, 20172021, 2020 and 20162019 were as follows:
 Stock Options/SARsESPP
 202120202019202120202019
Weighted Average Fair Value of Grants$24.92 $11.06 $19.49 $18.12 $19.14 $22.83 
Expected Volatility42.24 %44.47 %32.02 %51.27 %53.48 %34.78 %
Risk-Free Interest Rate0.50 %0.21 %1.69 %0.07 %0.90 %2.27 %
Dividend Yield2.26 %3.27 %1.39 %2.89 %2.27 %1.04 %
Expected Life5.2 years5.2 years5.1 years0.5 years0.5 years0.5 years
 Stock Options/SARs ESPP
 2018 2017 2016 2018 2017 2016
            
Weighted Average Fair Value of Grants$33.46
 $23.95
 $25.78
 $25.75
 $22.20
 $19.21
Expected Volatility28.23% 28.28% 31.54% 24.59% 27.12% 36.55%
Risk-Free Interest Rate2.68% 1.52% 0.78% 1.89% 0.88% 0.44%
Dividend Yield0.72% 0.75% 0.76% 0.64% 0.71% 0.82%
Expected Life5.0 years
 5.1 years
 5.4 years
 0.5 years
 0.5 years
 0.5 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, 2018, 20172021, 2020 and 20162019 (stock options and SARs in thousands):
 2018 2017 2016
 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 19,103
 $83.89
 9,850
 $75.53
 10,744
 $67.98
Granted1,906
 126.49
 2,274
 96.27
 1,855
 94.82
Exercised (1)
(2,493) 72.21
 (2,574) 61.12
 (2,376) 54.56
Forfeited(206) 94.43
 (447) 93.84
 (373) 87.38
Outstanding at December 318,310
 96.90
 9,103
 83.89
 9,850
 75.53
Stock Options/SARs Exercisable at December 313,969
 85.82
 4,510
 75.76
 5,613
 66.48
 202120202019
 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 110,186 $84.08 9,395 $94.53 8,310 $96.90 
Granted1,982 81.68 1,996 37.63 1,965 75.39 
Exercised (1)
(1,130)63.98 (23)69.59 (606)61.43 
Forfeited(1,069)98.15 (1,182)88.93 (274)102.57 
Outstanding at December 319,969 84.37 10,186 84.08 9,395 94.53 
Stock Options/SARs Exercisable at December 316,197 95.33 6,343 96.41 5,275 94.21 
(1)The total intrinsic value of stock options/SARs exercised during the years 2018, 2017 and 2016 was $118 million, $95 million and $84 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.

(1)The total intrinsic value of stock options/SARs exercised during the years 2021, 2020 and 2019 was $27 million, $0.4 million and $14 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, 2018,2021, there were 8.09.7 million stock options/SARs vested or expected to vest with a weighted average grant price of $96.43$84.97 per share, an intrinsic value of $34.6$120 million and a weighted average remaining contractual life of 4.44.1 years.



F-21



The following table summarizes certain information for the stock options and SARs outstanding and exercisable at December 31, 20182021 (stock options and SARs in thousands):
Stock Options/SARs Outstanding Stock 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)
                 
$ 50.00 to $  82.99 1,528
 3 $65.46
   1,183
 2 $64.27
   
 83.00 to    95.99 2,046
 4 91.48
   1,290
 3 89.50
   
   96.00 to     96.99 1,961
 6 96.29
   618
 5 96.29
   
   97.00 to   125.99 957
 3 102.77
   872
 3 101.91
   
 126.00 to   129.99 1,818
 7 127.01
   6
 1 127.00
   
  8,310
 5 96.90
 $35,083
 3,969
 3 85.82
 $28,993
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 $  52.991,640 6$37.50  414 5$37.46   
53.00 to     75.991,906 473.68  1,313 373.11   
   76.00 to     90.991,976 781.86  33 283.71   
   91.00 to     95.991,114 294.95  1,109 294.96   
   96.00 to   101.991,657 396.34  1,652 396.33   
 102.00 to   129.991,676 4126.51 1,676 4126.51 
 9,969 484.37 $127 6,197 395.33 $42 
(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.

(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 millions.

At December 31, 2018,2021, unrecognized compensation expense related to non-vested stock option and SAR grants totaled $106$60 million.  This unrecognized expense will be amortized on a straight-line basis over a weighted average period of 1.72.1 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, 2018,2021, approximately 2.51.6 million shares of Common Stock remained available for grant under the ESPP.  The following table summarizes ESPP activity for the years ended December 31, 2018, 20172021, 2020 and 20162019 (in thousands, except number of participants):
 202120202019
Approximate Number of Participants2,036 2,063 1,998 
Shares Purchased316 377 224 
Aggregate Purchase Price$17,224 $16,103 $16,533 
 2018 2017 2016
      
Approximate Number of Participants1,934
 1,870
 1,746
Shares Purchased180
 180
 212
Aggregate Purchase Price$14,887
 $13,997
 $13,787


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 $81$89 million, $68$75 million and $60$97 million for the years ended December 31, 2018, 20172021, 2020 and 2016,2019, respectively.



F-22



The following table sets forth the restricted stock and restricted stock unit transactions for the years ended December 31, 2018, 20172021, 2020 and 20162019 (shares and units in thousands):
 2018 2017 2016
 Number of Shares and Units Weighted Average Grant Date Fair Value Number of Shares and Units Weighted Average Grant Date Fair Value Number of Shares and Units Weighted Average Grant Date Fair Value
            
Outstanding at January 13,905
 $88.57
 3,962
 $79.63
 4,908
 $70.35
Granted812
 117.55
 1,095
 97.34
 853
 88.01
Released (1)
(740) 78.16
 (929) 61.51
 (1,465) 53.95
Forfeited(185) 92.12
 (223) 85.45
 (334) 77.29
Outstanding at December 31 (2)
3,792
 96.64
 3,905
 88.57
 3,962
 79.63
 202120202019
 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 14,742 $74.97 4,546 $90.16 3,792 $96.64 
Granted1,422 81.50 1,488 38.10 1,749 80.01 
Released (1)
(1,388)101.00 (1,213)85.92 (855)96.93 
Forfeited(96)68.26 (79)86.52 (140)97.54 
Outstanding at December 31 (2)
4,680 69.37 4,742 74.97 4,546 90.16 
(1)The total intrinsic value of restricted stock and restricted stock units released during the years ended December 31, 2018, 2017 and 2016 was $84 million, $91 million and $124 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)The total intrinsic value of restricted stock and restricted stock units outstanding at December 31, 2018, 2017 and 2016 was $331 million, $421 million and $401 million, respectively.

(1)
(1)The total intrinsic value of restricted stock and restricted stock units released during the years ended December 31, 2021, 2020 and 2019 was $110 million, $48 million and $70 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, 2021, 2020 and 2019 was $416 million, $236 million and $381 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, 2018,2021, unrecognized compensation expense related to restricted stock and restricted stock units totaled $172$199 million. Such unrecognized expense will be recognized on a straight-line basis over a weighted average period of 1.91.5 years.


Performance Units and Performance Stock.Units.EOG has granted performance units and/or performance stock (Performance Awards)Performance Units to its executive officers annually since 2012. As more fully discussed in the grant agreements, the performance metric applicable to these performance-based grants is EOG's total shareholder return over a three-year performance period relative to the total shareholder return of a designated group of peer companies (Performance Period). Upon the application of the performance multiple at the completion of the Performance Period, a minimum of 0% and a maximum of 200% of the Performance AwardsUnits granted could be outstanding. 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 $14$15 million, $10$9 million and $11$15 million for the years ended December 31, 2018, 20172021, 2020 and 2016,2019, respectively.


Weighted average fair values and valuation assumptions used to value Performance AwardsUnits during the years ended December 31, 2018, 20172021, 2020 and 20162019 were as follows:
 202120202019
Weighted Average Fair Value of Grants$95.16 $42.77 $79.98 
Expected Volatility53.80 %47.27 %29.20 %
Risk-Free Interest Rate0.59 %0.16 %1.51 %
 2018 2017 2016
      
Weighted Average Fair Value of Grants$136.74
 $113.81
 $119.10
Expected Volatility29.92% 32.19% 32.48%
Risk-Free Interest Rate2.85% 1.60% 1.15%


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. The risk-free interest rate is derived from the Treasury Constant Maturities yield curve on the grant date.



F-23



The following table sets forth the Performance AwardUnit transactions for the years ended December 31, 2018, 20172021, 2020 and 2016 (shares and units2019 (units in thousands):
 2018 2017 2016
 Number of Units and Shares  Weighted Average Price per Grant Date Number of Units and Shares Weighted Average Price per Grant Date Number of Units and Shares Weighted Average Price per Grant Date
             
Outstanding at January 1502
  $90.96
 545
 $80.92
 405
 $74.93
Granted113
  125.73
 78
 96.29
 132
 100.95
Granted for Performance Multiple (1)
72
  101.87
 119
 84.43
 142
 56.21
Released (2)
(148)  84.43
 (240) 66.69
 (134) 56.21
Forfeited
  
 
 
 
 
Outstanding at December 31 (3)
539
(4) 101.53
 502
 90.96
 545
 80.92
 202120202019
 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 1613 $88.38 598 $103.91 539 $116.96 
Granted222 95.16 172 42.77 172 79.98 
Granted for Performance Multiple (1)
19 113.81 66 119.10 72 80.64 
Released (2)
(175)113.06 (223)103.87 (185)110.65 
Forfeited— — — — — — 
Outstanding at December 31 (3)
679 (4)84.97 613 88.38 598 103.91 
(1)Upon completion of the Performance Period for the Performance Awards granted in 2014, 2013 and 2012, a performance multiple of 200% was applied to each of the grants resulting in additional grants of Performance Awards in February 2018, 2017 and 2016.
(2)The total intrinsic value of Performance Awards released during the years ended December 31, 2018, 2017 and 2016 was $18 million, $24 million and $10 million, respectively.
(3)The total intrinsic value of Performance Awards outstanding at December 31, 2018, 2017 and 2016 was $47 million, $54 million and $55 million, respectively.
(4)Upon the application of the relevant performance multiple at the completion of each of the remaining Performance Periods, a minimum of 144 and a maximum of 934 Performance Awards could be outstanding. The intrinsic value is based upon the closing price of EOG's common stock on the date Performance Awards are released.

(1)Upon completion of the Performance Period for the Performance Units granted in 2017, 2016 and 2015, a performance multiple of 125%, 150% and 200%, respectively, was applied to each of the grants resulting in additional grants of Performance Units in February 2021, 2020 and 2019.
(2)The total intrinsic value of Performance Units released during the years ended December 31, 2021, 2020 and 2019 was $13 million, $13 million and $15 million, respectively. The intrinsic value is based upon the closing price of EOG's common stock on the date Performance Units are released.
(3)The total intrinsic value of Performance Units outstanding at December 31, 2021, 2020 and 2019 was $60 million, $31 million and $50 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)Upon the application of the relevant performance multiple at the completion of each of the remaining Performance Periods, a minimum of zero and a maximum of 1,358 Performance Units could be outstanding.

At December 31, 2018,2021, unrecognized compensation expense related to Performance AwardsUnits totaled $10$13 million. Such unrecognized expense will be amortized on a straight-line basis over a weighted average period of 1.71.9 years.


Upon completion of the Performance Period for the Performance AwardsUnits granted in 2015,September 2018, a performance multiple of 200%50% was applied to the 2015 grants resulting in an additional granta forfeiture of 71,80556,671 Performance AwardsUnits in February 2019.2022.


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 $43$52 million, $37$46 million and $34$51 million for 2018, 20172021, 2020 and 2016,2019, respectively.


In addition, EOG's Trinidadian subsidiary maintains a contributory defined benefit pension plan and a matched savings plan.  EOG's United Kingdom subsidiary maintained a pension plan which included a non-contributory defined contribution pension plan and a matched defined contribution savings plan.  These pension plans are available to most employees of the Trinidadian subsidiary and were available to most employees of the United Kingdom subsidiary. EOG's combined contributions to these plans were $1 million, for each of 2018, 20172021, 2020 and 2016,2019, respectively. The United Kingdom operations were sold in the fourth quarter of 2018.


For the Trinidadian defined benefit pension plan, the benefit obligation, fair value of plan assets and (prepaid)/accrued benefit cost totaled $11$13 million, $9$14 million and $0.2$(0.1) million, respectively, at December 31, 2018,2021, and $10$13 million, $8$12 million and $0.2$0.1 million, respectively, at December 31, 2017.2020.


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-24


8.  Commitments and Contingencies


Letters of Credit and Guarantees. At December 31, 20182021 and 2017,2020, respectively, EOG had standby letters of credit and guarantees outstanding totaling $294approximately $831 million and $174$854 million, primarily representing guarantees of payment or performance obligations on behalf of subsidiaries. As of February 19, 2019,17, 2022, EOG had received no demands for payment under these guarantees.


Minimum Commitments.At December 31, 2018,2021, total minimum commitments from long-term non-cancelable operating leases, drilling rig commitments, seismic purchase obligations, fracturing services obligations, other purchaseand 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, 2018,2021, were as follows (in thousands)millions):
Total Minimum
Commitments
2022$1,335 
20231,045 
2024823 
2025673 
2026579 
2027 and beyond2,133 
 $6,588 
 
Total Minimum
Commitments
  
2019$2,150,978
20201,416,968
2021996,344
2022803,240
2023509,373
2024 and beyond931,142
 $6,808,045


Included in the table above are leases for buildings, facilities and equipment with varying expiration dates through 2042.  Rental expenses associated with existing leases amounted to $233 million, $200 million, and $204 million for 2018, 2017 and 2016, respectively.

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, 2018, 20172021, 2020 and 20162019 (in thousands,millions, except per share data):
 202120202019
Numerator for Basic and Diluted Earnings per Share -
Net Income (Loss)$4,664 $(605)$2,735 
Denominator for Basic Earnings per Share -   
Weighted Average Shares581 579 578 
Potential Dilutive Common Shares -   
Stock Options/SARs— — — 
Restricted Stock/Units and Performance Units— 
Denominator for Diluted Earnings per Share -   
Adjusted Diluted Weighted Average Shares584 579 581 
Net Income (Loss) Per Share   
Basic$8.03 $(1.04)$4.73 
Diluted$7.99 $(1.04)$4.71 
 2018 2017 2016
Numerator for Basic and Diluted Earnings per Share -     
Net Income (Loss)$3,419,040
 $2,582,579
 $(1,096,686)
Denominator for Basic Earnings per Share - 
  
  
Weighted Average Shares576,578
 574,620
 553,384
Potential Dilutive Common Shares - 
  
  
Stock Options/SARs1,137
 1,466
 
Restricted Stock/Units and Performance Units/Stock2,726
 2,607
 
Denominator for Diluted Earnings per Share - 
  
  
Adjusted Diluted Weighted Average Shares580,441
 578,693
 553,384
Net Income (Loss) Per Share 
  
  
Basic$5.93
 $4.49
 $(1.98)
Diluted$5.89
 $4.46
 $(1.98)




The diluted earnings per share calculation excludes stock options, SARs,option, SAR, restricted stock, restricted stock unit, Performance Unit and units and performance units and stockESPP grants that were anti-dilutive.  Shares underlying the excluded stock optionsoption, SAR and SARs totaled 0.6ESPP grants were 6 million, 2.610 million and 10.36 million for the years ended December 31, 2018, 20172021, 2020 and 2016,2019, respectively. For the year ended December 31, 2016, 4.52020, 5 million shares underlying grants of restricted stock, and restricted stock units and performance units and performance stockPerformance Units were excluded.


F-25


10.  Supplemental Cash Flow Information


Net cash paid for (received from) interest and income taxes was as follows for the years ended December 31, 2018, 20172021, 2020 and 20162019 (in thousands)millions):
 202120202019
Interest, Net of Capitalized Interest$185 $205 $187 
Income Taxes, Net of Refunds Received$1,114 $(206)$(292)
 2018 2017 2016
      
Interest, Net of Capitalized Interest$243,279
 $275,305
 $252,030
Income Taxes, Net of Refunds Received$75,634
 $188,946
 $(39,293)


EOG's accrued capital expenditures at December 31, 2018, 20172021, 2020 and 20162019 were $592 million, $475$414 million and $388$612 million, respectively.


Non-cash investing activities for the year ended December 31, 2018,2021, included additions of $362$50 million to EOG's oil and gas properties as a result of property exchanges and an addition of $49$74 million to EOG's other property, plant and equipment primarilymade in connection with a capitalfinance lease transaction in the Permian Basin.transactions for storage facilities.


Non-cash investing activities for the year ended December 31, 2017,2020, included non-cash additions of $282$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 activitiesCash paid for leases for the yearyears ended December 31, 2016, included $3,834 million2021, 2020 and 2019, is disclosed in non-cash additions to EOG's oil and gas properties related to the Yates transaction (see Note 17).18.


11.  Business Segment Information


EOG's operations are all crude oil, NGLs and natural gas exploration and production related.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, China and in Trinidad) and its exploration programs both inside and outside the United Kingdom (EOG sold its United Kingdom operations in the fourth quarter of 2018).States.  For segment reporting purposes, the chief operating decision maker considersmakers consider the major United States producing areas to be one operating segment.



F-26



Financial information by reportable segment is presented below as of and for the years ended December 31, 2018, 20172021, 2020 and 20162019 (in thousands)millions):

United
States
Trinidad
Other
International (1)
Total
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 Commodity Derivative Contracts(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 (2)
18,265 300 77 18,642 
Depreciation, Depletion and Amortization3,558 87 3,651 
Operating Income (Loss) (3)
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 
2020
Crude Oil and Condensate$5,774 $11 $$5,786 
Natural Gas Liquids668 — — 668 
Natural Gas614 169 54 837 
Gains on Mark-to-Market Commodity Derivative Contracts1,145 — — 1,145 
Gathering, Processing and Marketing2,581 — 2,583 
Losses on Asset Dispositions, Net(47)— — (47)
Other, Net60 — — 60 
Operating Revenues and Other (4)
10,795 182 55 11,032 
Depreciation, Depletion and Amortization3,324 60 16 3,400 
Operating Income (Loss) (5)
(546)75 (73)(544)
Interest Income11 — 12 
Other Expense— (2)— (2)
Net Interest Expense205 — — 205 
Income (Loss) Before Income Taxes(740)74 (73)(739)
Income Tax Provision (Benefit)(157)15 (134)
Additions to Oil and Gas Properties, Excluding Dry Hole Costs3,318 83 42 3,443 
Total Property, Plant and Equipment, Net28,284 210 105 28,599 
Total Assets35,048 546 211 35,805 
F-27


 
United
States
 Trinidad 
Other
International (1)
 Total
2018       
Crude Oil and Condensate$9,390,244
 $17,059
 $110,137
 $9,517,440
Natural Gas Liquids1,127,510
 
 
 1,127,510
Natural Gas970,866
 285,053
 45,618
 1,301,537
Losses on Mark-to-Market Commodity Derivative Contracts(165,640) 
 
 (165,640)
Gathering, Processing and Marketing5,227,051
 3,304
 
 5,230,355
Gains on Asset Dispositions, Net154,852
 4,493
 15,217
 174,562
Other, Net89,708
 (49) (24) 89,635
Operating Revenues and Other (2)
16,794,591
 309,860
 170,948
 17,275,399
Depreciation, Depletion and Amortization3,296,499
 91,971
 46,938
 3,435,408
Operating Income (Loss)4,334,364
 147,240
 (12,258) 4,469,346
Interest Income9,326
 1,612
 608
 11,546
Other Income (Expense)9,580
 2,436
 (6,858) 5,158
Net Interest Expense253,352
 
 (8,300) 245,052
Income (Loss) Before Income Taxes4,099,918
 151,288
 (10,208) 4,240,998
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


 
United
States
 Trinidad 
Other
International (1)
 Total
2017       
Crude Oil and Condensate$6,225,711
 $13,572
 $17,113
 $6,256,396
Natural Gas Liquids729,545
 
 16
 729,561
Natural Gas615,512
 271,101
 35,321
 921,934
Gains on Mark-to-Market Commodity Derivative Contracts19,828
 
 
 19,828
Gathering, Processing and Marketing3,298,098
 (11) 
 3,298,087
Losses on Asset Dispositions, Net(98,233) (8) (855) (99,096)
Other, Net81,610
 59
 (59) 81,610
Operating Revenues and Other (3)
10,872,071
 284,713
 51,536
 11,208,320
Depreciation, Depletion and Amortization3,269,196
 115,321
 24,870
 3,409,387
Operating Income (Loss)933,571
 101,010
 (108,179) 926,402
Interest Income3,223
 2,201
 2,289
 7,713
Other Income (Expense)(9,659) 3,337
 7,761
 1,439
Net Interest Expense303,941
 
 (29,569) 274,372
Income (Loss) Before Income Taxes623,194
 106,548
 (68,560) 661,182
Income Tax Provision (Benefit)(1,964,343) 38,798
 4,148
 (1,921,397)
Additions to Oil and Gas Properties, Excluding Dry Hole Costs4,067,359
 145,937
 14,932
 4,228,228
Total Property, Plant and Equipment, Net25,125,427
 313,357
 226,253
 25,665,037
Total Assets28,312,599
 974,477
 546,002
 29,833,078
2016 
  
  
  
Crude Oil and Condensate$4,265,036
 $9,600
 $42,705
 $4,317,341
Natural Gas Liquids437,238
 
 12
 437,250
Natural Gas475,715
 234,108
 32,329
 742,152
Losses on Mark-to-Market Commodity Derivative Contracts(99,608) 
 
 (99,608)
Gathering, Processing and Marketing1,967,390
 (1,131) 
 1,966,259
Gains (Losses) on Asset Dispositions, Net196,043
 (145) 9,937
 205,835
Other, Net81,386
 (8) 25
 81,403
Operating Revenues and Other (4)
7,323,200
 242,424
 85,008
 7,650,632
Depreciation, Depletion and Amortization3,365,390
 145,591
 42,436
 3,553,417
Operating Income (Loss)(1,192,338) 46,473
 (79,416) (1,225,281)
Interest Income358
 932
 1,329
 2,619
Other Income (Expense)(15,703) 2,667
 (40,126) (53,162)
Net Interest Expense298,125
 
 (16,444) 281,681
Income (Loss) Before Income Taxes(1,505,808) 50,072
 (101,769) (1,557,505)
Income Tax Provision (Benefit)(516,180) 64,281
 (8,920) (460,819)
Additions to Oil and Gas Properties, Excluding Dry Hole Costs6,223,228
 75,407
 30,734
 6,329,369
Total Property, Plant and Equipment, Net25,221,517
 274,850
 210,711
 25,707,078
Total Assets (5)
27,746,851
 889,253
 663,097
 29,299,201
United
States
Trinidad
Other
International (1)
Total
2019    
Crude Oil and Condensate$9,599 $11 $$9,613 
Natural Gas Liquids785 — — 785 
Natural Gas867 259 58 1,184 
Gains on Mark-to-Market Commodity Derivative Contracts180 — — 180 
Gathering, Processing and Marketing5,355 — 5,360 
Gains (Losses) on Asset Dispositions, Net132 (4)(4)124 
Other, Net134 — — 134 
Operating Revenues and Other (6)
17,052 271 57 17,380 
Depreciation, Depletion and Amortization3,652 80 18 3,750 
Operating Income (Loss)3,619 113 (33)3,699 
Interest Income22 — 26 
Other Income
Net Interest Expense (Income)192 — (7)185 
Income (Loss) Before Income Taxes3,452 118 (25)3,545 
Income Tax Provision761 41 810 
Additions to Oil and Gas Properties, Excluding Dry Hole Costs6,209 53 12 6,274 
Total Property, Plant and Equipment, Net30,102 184 78 30,364 
Total Assets36,275 706 144 37,125 
(1)Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(2)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.
(3)EOG had sales activity with two significant purchasers in 2017, one totaling $1.5 billion and the other totaling $1.3 billion of consolidated Operating Revenues and Other in the United States segment.
(4)EOG had sales activity with three significant purchasers in 2016, one totaling $1.2 billion, one totaling $1.1 billion and one totaling $1.0 billion of consolidated Operating Revenues and Other in the United States segment.
(5)EOG made a reclassification of $160 million from deferred tax liabilities to deferred tax assets for the year ended December 31, 2016, for the United States segment and in total.

(1)Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began exploration programs in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The decision was reached in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman.


(2)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.

(3)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.
(4)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.
(5)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.
(6)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.


F-28


12.  Risk Management Activities


CommodityPrice 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 2018, 20172021, 2020 and 2016,2019, 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 Commodity Derivative Contracts 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 2018, 20172021, 2020 and 2016,2019, EOG recognized net gains (losses) on the mark-to-market of financial commodity derivative contracts of $(166)$(1,152) million, $20$1,145 million and $(100)$180 million, respectively, which included cash received from (payments for) settlements of crude oil, NGLs and natural gas derivative contracts of $(259)$(638) million, $7$1,071 million and $(22)$231 million, respectively.

Commodity Derivative Contracts. Prices received by EOG for its crude oil production generally vary from U.S. New York Mercantile Exchange (NYMEX) West Texas Intermediate 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 pricing in Midland, Texas, and Cushing, Oklahoma (Midland Differential). Presented below is a comprehensive summary of EOG's Midland Differential basis swap contracts for the year ended December 31, 2018. The weighted average price differential expressed in dollars per barrel ($/Bbl) represents the amount of reduction to Cushing, Oklahoma, prices for the notional volumes expressed in barrels per day (Bbld) covered by the basis swap contracts.

 Midland Differential Basis Swap Contracts
   Volume (Bbld) 
Weighted Average Price Differential
($/Bbl)
 
 
 2018    
 January 1, 2018 through December 31, 2018 (closed) 15,000
 $1.063
      
 2019    
 January 2019 (closed) 20,000
 $1.075
 February 1, 2019 through December 31, 2019 20,000
 1.075

EOG has also entered into crude oil basis swap contracts in order to fix the differential between pricing in the U.S. Gulf Coast and Cushing, Oklahoma (Gulf Coast Differential). Presented below is a comprehensive summary of EOG's Gulf Coast Differential basis swap contracts for the year ended December 31, 2018. 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.

 Gulf Coast Differential Basis Swap Contracts
   Volume (Bbld) 
Weighted Average Price Differential
($/Bbl)
 
 
 2018    
 January 1, 2018 through September 30, 2018 (closed) 37,000
 $3.818
 October 1, 2018 through December 31, 2018 (closed) 52,000
 3.911
      
 2019    
 January 2019 (closed) 13,000
 $5.572
 February 1, 2019 through December 31, 2019 13,000
 5.572



Presented below is a comprehensive summary of EOG's crude oil price swapfinancial commodity derivative contracts forsettled during the year ended December 31, 2018, with notional2021 (closed) and remaining for 2022 and thereafter, as of December 31, 2021. Crude oil and NGL volumes expressedare presented in BbldMBbld and prices expressedare presented in $/Bbl.

 Crude Oil Price Swap Contracts
   Volume (Bbld) Weighted Average Price ($/Bbl)
 
 
 2018    
 January 1, 2018 through November 30, 2018 (closed) 134,000
 $60.04

On November 20, 2018, EOG entered into crude oil price swap contracts for the period December 1, 2018 through December 31, 2018, with notional Natural gas volumes of 134,000 Bbld at an average price of $53.75 per Bbl. These contracts offset the crude oil price swap contracts for the same time period with notional volumes of 134,000 Bbld at an average price of $60.04 per Bbl. The net cash EOG received for settling these contracts is $26.1 million. The offsetting contracts are excluded from the above table.

Presented below is a comprehensive summary of EOG's natural gas price swap contracts for the year ended December 31, 2018, with notional volumes expressedpresented in million British thermal units (MMBtu)MMBtu per day (MMBtud) and prices expressedare presented in dollars per MMBtu ($/MMBtu).


Crude Oil Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price
($/Bbl)
January 2021 (closed)NYMEX West Texas Intermediate (WTI)151 $50.06 
February - March 2021 (closed)NYMEX WTI201 51.29 
April - June 2021 (closed)NYMEX WTI150 51.68 
July - September 2021 (closed)NYMEX WTI150 52.71 
January - March 2022NYMEX WTI140 65.58 
April - June 2022NYMEX WTI140 65.62 
July - September 2022NYMEX WTI140 65.59 
October - December 2022NYMEX WTI140 65.68 
January - March 2023NYMEX WTI150 67.92 
April - June 2023NYMEX WTI120 67.79 
July - September 2023NYMEX WTI20 68.04 

F-29


 Natural Gas Price Swap Contracts
   Volume (MMBtud) Weighted Average Price ($/MMBtu)
 
 
 2018    
 March 1, 2018 through November 30, 2018 (closed) 35,000
 $3.00


Crude Oil Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price Differential
($/Bbl)
February 2021 (closed)
NYMEX WTI Roll Differential (1)
30 $0.11 
March - December 2021 (closed)
NYMEX WTI Roll Differential (1)
125 0.17 
January 2022 (closed)
NYMEX WTI Roll Differential (1)
125 0.15 
February - December 2022
NYMEX WTI Roll Differential (1)
125 0.15 
EOG has sold call options which establish a ceiling price for
(1)    This settlement index is used to fix the sale of notional volumes of natural gas as specifieddifferential in the call option contracts. The call options require that EOG pay the differencepricing between the call option strike priceNYMEX calendar month average and either the average or last business day NYMEX Henry Hub natural gas price forphysical crude oil delivery month.

NGL Financial Price Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MBbld)
Weighted Average Price
($/Bbl)
January - December 2021 (closed)Mont Belvieu Propane (non-Tet)15 $29.44 


Natural Gas Financial Price Swap Contracts
Contracts SoldContracts Purchased
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average Price ($/MMBtu)Volume (MMBtud in thousands)Weighted Average Price ($/MMBtu)
January - March 2021 (closed)NYMEX Henry Hub500 $2.99 500 $2.43 
April - September 2021 (closed)NYMEX Henry Hub500 2.99 570 2.81 
October - December 2021 (closed)NYMEX Henry Hub500 2.99 500 2.83 
January - December 2022 (closed) (1)
NYMEX Henry Hub20 2.75 — — 
January - December 2022NYMEX Henry Hub725 3.57 — — 
January - December 2023NYMEX Henry Hub725 3.18 — — 
January - December 2024NYMEX Henry Hub725 3.07 — — 
January - December 2025NYMEX Henry Hub725 3.07 — — 
April - September 2021 (closed)Japan Korea Marker (JKM)70 6.65 — — 
(1)    In January 2021, EOG executed the contract month (Henry Hub Index Price) in the event the Henry Hub Index Price is above the call option strike price.

In addition, EOG has purchased put options which establish a floor price for the sale of notional volumes of natural gas as specified in the put option contracts. The put options grantearly termination provision granting EOG the right to receiveterminate all of its 2022 natural gas price swap contracts which were open at that time. EOG received net cash of $0.6 million for the differencesettlement of these contracts.

F-30


Natural Gas Basis Swap Contracts
Contracts Sold
PeriodSettlement IndexVolume
(MMBtud in thousands)
Weighted Average Price ($/MMBtu)
January - December 2022
NYMEX Henry Hub Houston Ship Channel (HSC) Differential (1)
210 $(0.01)
January - December 2023
NYMEX Henry Hub HSC Differential (1)
135 (0.01)
January - December 2024
NYMEX Henry Hub HSC Differential (1)
10 0.00 
January - December 2025
NYMEX Henry Hub HSC Differential (1)
10 0.00 
(1)    This settlement index is used to fix the differential between pricing at the put option strike priceHouston Ship Channel and theNYMEX Henry Hub Index Price in the event the Henry Hub Index Price is below the put option strike price. Presented below is a comprehensive summary of EOG's natural gas call and put option contracts for the year ended December 31, 2018, with notional volumes expressed in MMBtud and prices expressed in $/MMBtu.prices.


Natural Gas Option Contracts
 Call Options Sold Put Options Purchased
 Volume (MMBtud) Weighted
Average Price
($/MMBtu)
 Volume (MMBtud) Weighted
Average Price
($/MMBtu)
2018       
March 1, 2018 through November 30, 2018 (closed)120,000
 $3.38
 96,000
 $2.94


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, 20182021 and 2017,2020, 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 millions):
     Fair Value at December 31,
Description Location on Balance Sheet 2018 2017
Asset Derivatives      
Crude oil and natural gas derivative contracts -      
Current portion Assets from Price Risk Management Activities $24
 $8
Noncurrent portion Other Assets 
 
Liability Derivatives    
  
Crude oil and natural gas derivative contracts -    
  
Current portion 
Liabilities from Price Risk Management Activities (1)
 $
 $50
Noncurrent portion Other Liabilities 
 7
   Fair Value at December 31,
DescriptionLocation on Balance Sheet20212020
Asset Derivatives 
Crude oil, NGLs and natural gas derivative contracts - 
Current portionAssets from Price Risk Management Activities$— $65 
Noncurrent portion
Other Assets (1)
Liability Derivatives   
Crude oil, NGLs and natural gas derivative contracts -   
Current portion
Liabilities from Price Risk Management Activities (2)
$269 $— 
Noncurrent Portion
Other Liabilities (3)
37 
(1)The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $55 million, partially offset by gross assets of $5 million, at December 31, 2017.

(1)    The noncurrent portion of Assets from Price Risk Management Activities consists of gross assets of $7 million, partially offset by gross liabilities of $1 million, at December 31, 2021.
(2)    The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $421 million, partially offset by gross assets of $29 million and collateral posted with counterparties of $123 million, at December 31, 2021.
(3)    The noncurrent portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $64 million, partially offset by gross assets of $10 million and collateral posted with counterparties of $17 million, at December 31, 2021.

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, 2018,2021, 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 2019.2022.  At December 31, 2017,2020, EOG's net accounts receivable balance related to United States Canada and United Kingdom hydrocarbon sales included two receivable balances, each of which accounted for more than 10% of the total balance.  The receivables were due from two petroleum refinery companies.  The related amounts were collected during early 2018. 2021.
F-31



In 20182021 and 2017,2020, all natural gas from EOG's Trinidad operations was sold to the National Gas Company of Trinidad and Tobago Limited and its subsidiary. In 2018,2021 and 2020, all crude oil and condensate from EOG's Trinidad operations was sold to the Petroleum Company of Trinidad and Tobago Limited and its successor, Heritage Petroleum Company Limited. In 2017, all crude oil and condensate from EOG's Trinidad operations was sold to the Petroleum Company of Trinidad and Tobago Limited;Through May 2021, and in 2018 and 2017,2020, all natural gas from EOG's China operations was sold to Petrochina Company Limited.


All of EOG's derivative instruments are covered by International Swap Dealers Association Master Agreements (ISDAs) with counterparties.  The ISDAs may contain provisions that require EOG, if it is the party in a net liability position, to post collateral when the amount of the net liability exceeds the threshold level specified for EOG'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 derivatives under the ISDA to be settled immediately.  See Note 13 for the aggregate fair value of all derivative instruments that were in a net liability position at December 31, 2017.2021 and a net asset position at December 31, 2020.  EOG had $140 million of collateral posted and no collateral held at December 31, 2021, and had no collateral posted andor held no collateral at December 31, 2018 and 2017.2020. Due to higher commodity prices subsequent to December 31, 2021, EOG had $1.4 billion of collateral posted at February 18, 2022.


Substantially all of EOG's accounts receivable at December 31, 20182021 and 20172020 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, or joint interest owner, 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, 2018,2021, credit losses incurred on receivables by EOG have been immaterial.




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.


F-32


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, 20182021 and 2017. Amounts shown in millions.2020 (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, 2021
Financial Assets:
Natural Gas Swaps$— $29 $— $29 
Natural Gas Basis Swaps— — 
Crude Oil Swaps— 15 — 15 
Financial Liabilities:
Crude Oil Roll Differential Swaps— 24 — 24 
Natural Gas Swaps— 121 — 121 
Crude Oil Swaps— 340 — 340 
Natural Gas Basis Swaps— — 
At December 31, 2020    
Financial Assets:    
Natural Gas Swaps$— $66 $— $66 
Financial Liabilities:
Crude Oil Roll Differential Swaps— — 
 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, 2018       
Financial Assets: (1)
       
Crude Oil Basis Swaps$
 $24
 $
 $24
At December 31, 2017 
  
  
  
Financial Assets: (1)
 
  
  
  
Natural Gas Swaps$
 $2
 $
 $2
Natural Gas Options/Collars
 6
 
 6
Financial Liabilities: (2)
       
Crude Oil Swaps$
 $38
 $
 $38
Crude Oil Basis Swaps
 19
 
 19

See Note 12 for the balance sheet amounts and classification of EOG's financial derivative instruments at December 31, 2021 and 2020.
(1)$24 million and $8 million is included in "Assets from Price Risk Management Activities" at December 31, 2018 and 2017, respectively, on the Consolidated Balance Sheets.
(2)$50 million is included in "Current Liabilities - Liabilities from Price Risk Management Activities" at December 31, 2017 and $7 million is included in "Other Liabilities" at December 31, 2017, on the Consolidated Balance Sheets.


The estimated fair value of crude oil, NGLs and natural gas derivative contracts (including options/collars) was based upon forward commodity price curves based on quoted market prices.  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.


During 2018,When circumstances indicate that proved oil and gas properties; other property, plantproperties may be impaired, EOG compares expected undiscounted future cash flows at a depreciation, depletion and equipment;amortization group level to the unamortized capitalized cost of the 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 assetsrelevant 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 2021, proved oil and gas properties with a carrying amount of $482$27 million were written down to their fair value of $308$7 million, resulting in pretax impairment charges of $174$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.

F-33


During 2019, proved oil and gas properties with a carrying amount of $408 million were written down to their fair value of $201 million, resulting in pretax impairment charges of $207 million. Included in the $174$207 million pretax impairment charges are $104$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 20182019 of $49$90 million for a commodity price-related write-down of other assets. During 2017, proved oil and gas properties; other property, plant and equipment; and other assets with a carrying amount of $640 million were written down to their fair value of $372 million, resulting in pretax impairment charges of $268 million. Included in the $268 million pretax impairment charges are $217 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 2017 of $28 million for a commodity price-related write-down of other assets. Significant Level 3 inputs associated with the calculation of discounted cash flows used in the impairment analysis include EOG's estimate of future crude oil and natural gas prices, production costs, development expenditures, anticipated production of proved reserves, appropriate risk-adjusted discount rates and other relevant data.




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 December 31, 20182021 and 2017,2020, respectively, EOG had outstanding $6,040$4,890 million and $6,390$5,640 million aggregate principal amount of senior notes, which had estimated fair values of approximately $6,027$5,577 million and $6,602$6,505 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.  AccountingImpairment Expense

Impairment expense was as follows for Certain Long-Lived Assetsthe years ended December 31, 2021, 2020 and 2019 (in millions):


EOG reviews its
 202120202019
Proved properties (1)
$20 $1,268 $207 
Unproved properties (2)
310 472 220 
Other assets (3)
28 300 91 
Inventories13 — — 
Firm commitment contracts (4)
60 — 
Total$376 $2,100 $518 
(1)    Impairments to proved oil and gas properties for impairment purposes by comparing the expected undiscounted future cash flows at a depreciation, depletionin 2020 included legacy and amortization group levelnon-core natural gas and crude oil and combo plays. Impairments to the unamortized capitalized cost of the asset.  The carrying values for assets determined to be impaired were adjusted to estimated fair value 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 2018, proved oil and gas properties with a carrying amount of $139 million were written down to their fair value of $18 million, resulting in pretax impairment charges of $121 million. During 2017, proved oil and gas properties with a carrying amount of $370 million were written down to their fair value of $146 million, resulting in pretax impairment charges of $224 million. Impairments in 2018, 2017 and 20162019 included domestic legacy natural gas assets. AmortizationSee Notes 1 and impairments13.
(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 propertyproperties 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 including amortizationthat are no longer expected to be developed before expiration in the United States. See Note 1.
(3)    Includes impairment charges for owned and leased sand and crude-by-rail assets of capitalized interest, were $173$228 million $211in 2020 (see Note 18) and a commodity price-related write-down of other assets of $72 million and $291$90 million during 2018, 2017in 2020 and 2016, respectively.2019, 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.


F-34


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, 20182021 and 20172020 (in thousands)millions):
 2018 2017
    
Carrying Amount at Beginning of Period$946,848
 $912,926
Liabilities Incurred79,057
 54,764
Liabilities Settled (1)
(70,829) (61,871)
Accretion36,622
 34,708
Revisions(38,932) (9,818)
Foreign Currency Translations1,611
 16,139
Carrying Amount at End of Period$954,377
 $946,848
    
Current Portion$26,214
 $19,259
Noncurrent Portion$928,163
 $927,589
 20212020
Carrying Amount at Beginning of Period$1,217 $1,111 
Liabilities Incurred81 58 
Liabilities Settled (1)
(131)(54)
Accretion44 47 
Revisions20 54 
Foreign Currency Translations— 
Carrying Amount at End of Period$1,231 $1,217 
Current Portion$43 $50 
Noncurrent Portion$1,188 $1,167 
(1)Includes settlements related to asset sales.

(1)    Includes settlements related to asset 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, 2018, 20172021, 2020 and 20162019 are presented below (in thousands)millions):
 2018 2017 2016
      
Balance at January 1$2,167
 $
 $8,955
Additions Pending the Determination of Proved Reserves10,304
 27,487
 6,688
Reclassifications to Proved Properties(7,917) (20,802) (5,274)
Costs Charged to Expense (1)
(433) (4,518) (10,369)
Balance at December 31$4,121
 $2,167
 $
 202120202019
Balance at January 1$29 $26 $
Additions Pending the Determination of Proved Reserves73 108 83 
Reclassifications to Proved Properties(41)(81)(39)
Costs Charged to Expense (1)
(54)(24)(22)
Balance at December 31$$29 $26 
(1)    Includes capitalized exploratory well costs charged to either dry hole costs or impairments.

 202120202019
Capitalized exploratory well costs that have been capitalized for a period of one year or less$$26 $26 
Capitalized exploratory well costs that have been capitalized for a period greater than one year (1)
— — 
Balance at December 31$$29 $26 
Number of exploratory wells that have been capitalized for a period greater than one year— — 
(1)Includes capitalized exploratory well costs charged to either dry hole costs or impairments.

At(1)    Consists of costs related to a project in the United States at December 31, 2018, 2017 and 2016, all exploratory well costs had been capitalized for periods of less than one year.2020.



F-35


17.  Acquisitions and Divestitures


During 2018,2021, EOG paid cash for property acquisitions of $95 million in the United States. Additionally during 2021, EOG recognized a net gaingains on asset dispositions of $175$17 million primarily due to non-cash property exchanges in Texas, New Mexico and Wyoming. Additionally, EOG received proceeds in 2018 of approximately $227$231 million primarily due to the sale of its United Kingdom operations in the fourth quarter of 2018.

During 2017, EOG recognized a net loss on asset dispositions of $(99) million and received proceeds of approximately $227 million primarily from sales of producing properties, otherChina assets and acreagethe disposition of the Northwest Shelf assets in Texas and Oklahoma.New Mexico. Additionally, in the fourth quarter of 2017,2021, EOG signed a purchase and sale agreement and an exchange agreement for the sale and exchange, respectively, of primarily producing properties in the Rocky Mountain area. At December 31, 2017,2021, the book value of the assets classified as held for sale and the related asset retirement obligations were $188$99 million and $41$105 million, respectively.


During 2017,2020, EOG completedpaid cash for property acquisitions of approximately $73$82 million to acquire producing properties in various areas in the United States.

During 2016,States and $38 million in Other International, primarily in Oman. Additionally during 2020, EOG recognized a net gainlosses on asset dispositions of $206$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 $1,119$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 fromdue to sales of producing properties, acreage and acreageother assets, as well as non-cash property exchanges in Texas, Louisiana,New Mexico, and received proceeds of approximately $140 million.

18. Leases

Lease costs are classified by the Rocky Mountain area and Oklahoma. Additionally, during the third quarter of 2016, EOG completed the sale of all its Argentina assets.

Yates Entities. On October 4, 2016, EOG completed its previously announced mergers and related asset purchase transactions with Yates Petroleum Corporation (YPC), Abo Petroleum Corporation (ABO), MYCO Industries, Inc. (MYCO) and certain affiliated entities (collectively with YPC, ABO and MYCO, the Yates Entities). Pursuant to these transactions, EOG issued to the shareholders of YPC, ABO and MYCO and to certainfunction of the sellers under theROU asset. The lease costs related asset purchase transactions an aggregate of approximately 25 million shares of EOG common stockto exploration and paid to certain of the sellers under the asset purchase transactions an aggregate of approximately $16 million in cash for total consideration transferred of approximately $2.4 billion. In addition, under the terms of the transactions, EOG assumed and repaid approximately $164 million of debt owed by the Yates Entities, which was offset by approximately $70 million of cash of the Yates Entities.

The assets of the Yates Entities include producing wells in addition to acreagedevelopment activities are initially included in the Delaware Basin Core, the Powder River Basin, the Permian Basin Northwest ShelfOil and other Western basins.

In connection with these mergers and related asset purchase transactions, EOG incurred acquisition-related costs in 2016 of approximately $5 million, all of which were expensed and recorded as General and AdministrativeGas Properties line on the Consolidated Statements of Income (Loss)Balance Sheets and Comprehensive Income (Loss).



EOGsubsequently accounted for in accordance with the mergers with YPC, ABOExtractive Industries - Oil and MYCO and the related asset purchase transactions as a business combination under the acquisition method with EOG as the acquirer. Under the acquisition method, the consideration transferred is allocated to the assets acquired and liabilities assumed based on their estimated fair values, with any excessGas Topic of the consideration transferred overASC. Variable lease cost represents costs incurred above the estimated fair valuecontractual 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 identifiable net assets acquired recordedyears ended December 31, 2021, 2020 and 2019 were as goodwill. EOG did not record goodwillfollows (in millions):

202120202019
Operating Lease Cost (1)
$295 $393 $497 
Finance Lease Cost:
Amortization of Lease Assets39 21 13 
Interest on Lease Liabilities
Variable Lease Cost63 91 138 
Short-Term Lease Cost257 194 333 
Total Lease Cost$661 $703 $983 
(1)    Operating lease cost includes impairment expenses of $35 million in connection with these transactions.2020.



F-36


The following table representssets forth the final allocationamounts and classification of EOG's outstanding ROU assets and related lease liabilities at December 31, 2021 and 2020 and supplemental information for the total purchase priceyears ended December 31, 2021 and 2020 (in millions, except lease terms and discount rates):
DescriptionLocation on Balance Sheet20212020
Assets
Operating LeasesOther Assets$743 $869 
Finance Leases
Property, Plant and Equipment, Net (1)
241 206 
Total$984 $1,075 
Liabilities
Current
Operating LeasesCurrent Portion of Operating Lease Liabilities$240 $295 
Finance LeasesCurrent Portion of Long-Term Debt37 31 
Long-Term
Operating LeasesOther Liabilities558 641 
Finance LeasesLong-Term Debt213 181 
Total$1,048 $1,148 
(1)    Finance lease assets are recorded net of accumulated amortization of $119 million and $81 million at December 31, 2021 and 2020, respectively.

20212020
Weighted Average Remaining Lease Term (in years):
Operating Leases5.35.3
Finance Leases7.07.6
Weighted Average Discount Rate:
Operating Leases3.0 %3.4 %
Finance Leases2.6 %2.8 %

Cash paid for leases for the Yates Entitiesyears ended December 31, 2021, 2020 and 2019 was as follows (in thousands).millions):
202120202019
Repayment of Operating Lease Liabilities Associated with Operating Activities$207 $223 $225 
Repayment of Operating Lease Liabilities Associated with Investing Activities98 130 270 
Repayment of Finance Lease Liabilities37 19 13 

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.

F-37


Current Assets 
Cash and Cash Equivalents$70,411
Accounts Receivable, Net77,073
Inventories10,955
Other10,640
Total169,079
  
Property, Plant and Equipment 
Oil and Gas Properties (Successful Efforts Method)3,815,207
Other Property, Plant and Equipment21,824
Total Property, Plant and Equipment, Net3,837,031
Other Assets22,706
Total Assets$4,028,816
  
Current Liabilities 
Accounts Payable$124,145
Accrued Taxes Payable22,417
Other743
Total147,305
  
Long-Term Debt163,829
Asset Retirement Obligations163,144
Off-Market Transportation Contracts39,720
Other Liabilities28,645
Deferred Income Taxes1,072,405
Total Liabilities$1,615,048
Total Consideration Transferred$2,413,768
At December 31, 2021, the future minimum lease payments under non-cancellable leases were as follows (in millions):

Operating LeasesFinance Leases
2022$262 $42 
2023188 37 
2024113 37 
202580 36 
202659 30 
2027 and Beyond172 94 
Total Lease Payments874 276 
Less: Discount to Present Value76 26 
Total Lease Liabilities798 250 
Less: Current Portion of Lease Liabilities240 37 
Long-Term Lease Liabilities$558 $213 
The fair value measurements
At December 31, 2021, EOG had additional leases of Oil and Gas Properties and Asset Retirement Obligations$98 million, which are based on inputs that are not observableexpected to commence in the market and therefore represent Level 3 inputs. The fair values2022 with lease terms of Proved Oil and Gas Properties were measured using the income approach. Significant inputsthree months to the valuation of Proved Oil and Gas Properties included EOG's estimate of future crude oil and natural gas prices, production costs, development expenditures, anticipated production of proved reserves, appropriate risk-adjusted discount rates and other relevant data. Significant inputs to the valuation of Unproved Oil and Gas Properties included average prices per acre of comparable market transactions.nine years.





F-38

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 EstimatesEstimation 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, NGL 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 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, 2018.2021.  Under these plans, each PUD location will be drilled within five years from the date it was 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.

F-39

EOG RESOURCES, INC.


SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)



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, 2018, 20172021, 2020 and 20162019 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 1618 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 3235 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, NGL 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 Executive Vice 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, 2018, 20172021, 2020 and 20162019 covered producing areas containing 79%78%, 79%83% and 83%82%, 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 25, 2019,27, 2022, 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, 2018,2021, 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, 2018,2021, and the changes in the net proved reserves for each of the three years in the period ended December 31, 2018,2021, as estimated by the Engineering and Acquisitions Department of EOG:
F-40

EOG RESOURCES, INC.


SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)



NET PROVED RESERVE SUMMARY
 United
States
Trinidad
Other
International (1)
Total
NET PROVED RESERVES
Crude Oil (MMBbl) (2)
Net proved reserves at December 31, 20181,532 — — 1,532 
Revisions of previous estimates(43)— — (43)
Purchases in place— — 
Extensions, discoveries and other additions370 — — 370 
Sales in place(1)— — (1)
Production(167)— — (167)
Net proved reserves at December 31, 20191,694 — — 1,694 
Revisions of previous estimates(225)— — (225)
Purchases in place— — 
Extensions, discoveries and other additions194 — 195 
Sales in place(3)— — (3)
Production(149)— — (149)
Net proved reserves at December 31, 20201,513 — 1,514 
Revisions of previous estimates(116)— — (116)
Purchases in place— — 
Extensions, discoveries and other additions311 — 312 
Sales in place(2)— — (2)
Production(162)— — (162)
Net proved reserves at December 31, 20211,546 2  1,548 
Natural Gas Liquids (MMBbl) (2)
    
Net proved reserves at December 31, 2018614 — — 614 
Revisions of previous estimates— — 
Purchases in place— — 
Extensions, discoveries and other additions168 — — 168 
Sales in place(1)— — (1)
Production(48)— — (48)
Net proved reserves at December 31, 2019740 — — 740 
Revisions of previous estimates(60)— — (60)
Purchases in place— — 
Extensions, discoveries and other additions180 — — 180 
Sales in place(1)— — (1)
Production(50)— — (50)
Net proved reserves at December 31, 2020813 — — 813 
Revisions of previous estimates(128)— — (128)
Purchases in place— — 
Extensions, discoveries and other additions194 — — 194 
Sales in place— — — — 
Production(53)— — (53)
Net proved reserves at December 31, 2021829   829 
F-41
 
United
States
 Trinidad 
Other
International (1)
 Total
NET PROVED RESERVES       
        
Crude Oil (MBbl) (2)
       
Net proved reserves at December 31, 20151,087,860
 1,069
 8,667
 1,097,596
Revisions of previous estimates42,040
 54
 861
 42,955
Purchases in place25,795
 
 
 25,795
Extensions, discoveries and other additions123,441
 
 
 123,441
Sales in place(8,791) 
 
 (8,791)
Production(101,854) (284) (1,273) (103,411)
Net proved reserves at December 31, 20161,168,491
 839
 8,255
 1,177,585
Revisions of previous estimates57,935
 80
 (179) 57,836
Purchases in place1,111
 
 
 1,111
Extensions, discoveries and other additions207,137
 301
 119
 207,557
Sales in place(8,393) 
 
 (8,393)
Production(122,210) (322) (191) (122,723)
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
        
Natural Gas Liquids (MBbl) (2)
 
  
  
  
Net proved reserves at December 31, 2015382,875
 
 
 382,875
Revisions of previous estimates53,771
 
 
 53,771
Purchases in place1,284
 
 
 1,284
Extensions, discoveries and other additions41,862
 
 
 41,862
Sales in place(33,548) 
 
 (33,548)
Production(29,878) 
 
 (29,878)
Net proved reserves at December 31, 2016416,366
 
 
 416,366
Revisions of previous estimates46,843
 
 
 46,843
Purchases in place421
 
 
 421
Extensions, discoveries and other additions75,003
 
 
 75,003
Sales in place(2,887) 
 
 (2,887)
Production(32,273) 
 
 (32,273)
Net proved reserves at December 31, 2017503,473
 
 
 503,473
Revisions of previous estimates23,942
 
 
 23,942
Purchases in place2,006
 
 
 2,006
Extensions, discoveries and other additions127,409
 
 
 127,409
Sales in place(41) 
 
 (41)
Production(42,460) 
 
 (42,460)
Net proved reserves at December 31, 2018614,329
 
 
 614,329

EOG RESOURCES, INC.


SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)



 
United
States
 Trinidad 
Other
International (1)
 Total
Natural Gas (Bcf) (3)
       
Net proved reserves at December 31, 20153,489.8
 316.6
 19.5
 3,825.9
Revisions of previous estimates298.4
 29.5
 5.2
 333.1
Purchases in place91.5
 
 
 91.5
Extensions, discoveries and other additions202.1
 59.9
 
 262.0
Sales in place(752.0) 
 
 (752.0)
Production(308.6) (125.1) (8.9) (442.6)
Net proved reserves at December 31, 20163,021.2
 280.9
 15.8
 3,317.9
Revisions of previous estimates602.8
 (27.4) 8.6
 584.0
Purchases in place4.8
 
 
 4.8
Extensions, discoveries and other additions619.3
 174.2
 35.9
 829.4
Sales in place(56.4) 
 
 (56.4)
Production(293.2) (114.3) (9.1) (416.6)
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
        
Oil Equivalents (MBoe) (2)
 
  
  
  
Net proved reserves at December 31, 20152,052,361
 53,843
 11,913
 2,118,117
Revisions of previous estimates145,542
 4,978
 1,722
 152,242
Purchases in place42,330
 
 
 42,330
Extensions, discoveries and other additions198,973
 9,990
 
 208,963
Sales in place(167,669) 
 
 (167,669)
Production(183,145) (21,150) (2,755) (207,050)
Net proved reserves at December 31, 20162,088,392
 47,661
 10,880
 2,146,933
Revisions of previous estimates205,262
 (4,493) 1,249
 202,018
Purchases in place2,332
 
 
 2,332
Extensions, discoveries and other additions385,354
 29,340
 6,104
 420,798
Sales in place(20,687) 
 
 (20,687)
Production(203,351) (19,366) (1,707) (224,424)
Net proved reserves at December 31, 20172,457,302
 53,142
 16,526
 2,526,970
Revisions of previous estimates(10,500) 3,272
 2,544
 (4,684)
Purchases in place11,640
 
 
 11,640
Extensions, discoveries and other additions668,972
 
 778
 669,750
Sales in place(4,509) 
 (6,310) (10,819)
Production(245,127) (16,478) (3,406) (265,011)
Net proved reserves at December 31, 20182,877,778
 39,936
 10,132
 2,927,846
 United
States
Trinidad
Other
International (1)
Total
Natural Gas (Bcf) (3)
Net proved reserves at December 31, 20184,391 237 59 4,687 
Revisions of previous estimates(184)47 (134)
Purchases in place72 — — 72 
Extensions, discoveries and other additions1,176 87 10 1,273 
Sales in place(15)— — (15)
Production(405)(95)(13)(513)
Net proved reserves at December 31, 20195,035 276 59 5,370 
Revisions of previous estimates(498)(492)
Purchases in place26 — — 26 
Extensions, discoveries and other additions1,078 54 — 1,132 
Sales in place(157)— — (157)
Production(441)(66)(12)(519)
Net proved reserves at December 31, 20205,043 269 48 5,360 
Revisions of previous estimates754 26 783 
Purchases in place23 — — 23 
Extensions, discoveries and other additions2,574 100 — 2,674 
Sales in place(4)— (48)(52)
Production(483)(80)(3)(566)
Net proved reserves at December 31, 20217,907 315  8,222 
Oil Equivalents (MMBoe) (2)
    
Net proved reserves at December 31, 20182,878 40 10 2,928 
Revisions of previous estimates(68)— (60)
Purchases in place17 — — 17 
Extensions, discoveries and other additions734 14 750 
Sales in place(5)— — (5)
Production(283)(16)(2)(301)
Net proved reserves at December 31, 20193,273 46 10 3,329 
Revisions of previous estimates(368)— (367)
Purchases in place10 — — 10 
Extensions, discoveries and other additions554 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(118)— (114)
Purchases in place— — 
Extensions, discoveries and other additions934 18 — 952 
Sales in place(3)— (8)(11)
Production(295)(14)— (309)
Net proved reserves at December 31, 20213,693 54  3,747 
(1)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(2)Thousand barrels or thousand 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.
(1)Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.
(2)Million barrels or million 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.

F-42

EOG RESOURCES, INC.


SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)



During 2018,2021, EOG added 670952 million barrels of oil equivalent (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.Basin.  Approximately 76%53% of the 20182021 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 operationsChina assets and the sale or exchange of other producing assets. Revisions of previous estimates of negative 5114 MMBoe for 20182021 included an upward revision of 35194 MMBoe primarily due to increases in the average crude oil, NGLs and natural gas prices used in the December 31, 2018,2021, reserves estimation as compared to the prices used in the prior year estimate. The primary areas affected were inthe Permian Basin and the Rocky Mountain area, the Eagle Ford and the Permian Basin. Downward revisionsarea. Revisions other than price of 40 MMBoe resulted primarily from changes in production forecasts and higher production costs. Purchases in place of 12negative 308 MMBoe were primarily related to the South Texas Area.removal from the five-year development plan of certain PUD locations. These locations were replaced with more economic locations in the Permian Basin and the Dorado gas play, and the related reserves from these locations were included as extensions, discoveries and other additions. Purchases in place of 9 MMBoe were primarily related to the Permian Basin and the purchase or exchange of other producing assets.


During 2017,2020, EOG added 421564 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. 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 oil play and the Rocky Mountain area. 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 oil play and the Rocky Mountain area and Trinidad.area.  Approximately 67%72% of the 20172019 reserve additions were crude oil and condensate and NGLs, and 92%substantially all were in the United States.  Sales in place of 215 MMBoe were primarily related to the sale of certain South Texas area operations and the sale or exchange of certainother producing assets. Revisions of previous estimates of 202negative 60 MMBoe for 20172019 included an upward revision of 154 MMBoe primarily due to increasesa decrease in the average crude oil, NGLs and natural gas prices used in the December 31, 2017,2019, reserves estimation as compared to the prices used in the prior year estimate. The primary playsarea affected were inwas the Rocky Mountain area, the Eagle Ford and the Permian Basin. Positive revisions other than price of 48 MMBoe resulted primarily from improved well performance in the Permian Basin and lower production costs.area. Purchases in place of 217 MMBoe were primarily related to the Permian Basin.South Texas area.


During 2016, EOG added 209 MMBoe of proved reserves from drilling activities and technical evaluation of major proved areas, primarily in the Permian Basin, the Rocky Mountain area and the Eagle Ford.  Approximately 79% of the 2016 reserve additions were crude oil and condensate and NGLs, and 95% were in the United States.  Sales in place of 168 MMBoe were primarily related to the disposition of certain producing natural gas assets in the Barnett Shale and Haynesville plays and marginal liquids plays in the Permian Basin and Rocky Mountain area. Revisions of previous estimates of 152 MMBoe for 2016 included a downward revision of 101 MMBoe primarily due to decreases in the average crude oil and natural gas prices used in the December 31, 2016, reserves estimation as compared to the prices used in the prior year estimate. The primary plays affected were the Eagle Ford, the Uinta basin in the Rocky Mountain area, the Permian Basin and the Barnett Shale. Positive revisions other than price of 253 MMBoe resulted primarily from lower production costs and improved performance in the Delaware Basin. Purchases in place of 42 MMBoe were primarily related to the Yates transaction.



F-43

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, 2015444,070
 1,069
 63
 445,202
December 31, 2016507,531
 839
 8,255
 516,625
December 31, 2017605,405
 898
 7,933
 614,236
December 31, 2018712,218
 417
 150
 712,785
Natural Gas Liquids (MBbl) 
  
  
  
December 31, 2015205,898
 
 
 205,898
December 31, 2016230,219
 
 
 230,219
December 31, 2017286,872
 
 
 286,872
December 31, 2018341,386
 
 
 341,386
Natural Gas (Bcf) 
  
  
  
December 31, 20152,211.2
 297.6
 19.5
 2,528.3
December 31, 20161,804.4
 262.2
 15.8
 2,082.4
December 31, 20172,450.8
 299.2
 29.3
 2,779.3
December 31, 20182,699.0
 223.9
 40.9
 2,963.8
Oil Equivalents (MBoe) 
  
  
  
December 31, 20151,018,491
 50,677
 3,309
 1,072,477
December 31, 20161,038,483
 44,543
 10,880
 1,093,906
December 31, 20171,300,758
 50,779
 12,798
 1,364,335
December 31, 20181,503,441
 37,746
 6,950
 1,548,137
NET PROVED UNDEVELOPED RESERVES 
  
  
  
Crude Oil (MBbl) 
  
  
  
December 31, 2015643,790
 
 8,604
 652,394
December 31, 2016660,690
 
 
 660,690
December 31, 2017698,666
 
 71
 698,737
December 31, 2018819,466
 
 61
 819,527
Natural Gas Liquids (MBbl) 
  
  
  
December 31, 2015176,977
 
 
 176,977
December 31, 2016186,147
 
 
 186,147
December 31, 2017216,601
 
 
 216,601
December 31, 2018272,943
 
 
 272,943
Natural Gas (Bcf) 
  
  
  
December 31, 20151,278.6
 19.0
 
 1,297.6
December 31, 20161,216.8
 18.7
 
 1,235.5
December 31, 20171,447.7
 14.2
 21.9
 1,483.8
December 31, 20181,691.6
 13.1
 18.7
 1,723.4
Oil Equivalents (MBoe) 
  
  
  
December 31, 20151,033,870
 3,166
 8,604
 1,045,640
December 31, 20161,049,909
 3,118
 
 1,053,027
December 31, 20171,156,544
 2,363
 3,728
 1,162,635
December 31, 20181,374,337
 2,190
 3,182
 1,379,709
 United
States
Trinidad
Other
International (1)
Total
NET PROVED DEVELOPED RESERVES
Crude Oil (MMBbl)
December 31, 2018713 — — 713 
December 31, 2019801 — — 801 
December 31, 2020792 — 793 
December 31, 2021886 — — 886 
Natural Gas Liquids (MMBbl)    
December 31, 2018341 — — 341 
December 31, 2019387 — — 387 
December 31, 2020392 — — 392 
December 31, 2021416 — — 416 
Natural Gas (Bcf)    
December 31, 20182,699 224 41 2,964 
December 31, 20192,974 178 42 3,194 
December 31, 20202,586 171 32 2,789 
December 31, 20213,743 131 — 3,874 
Oil Equivalents (MMBoe)    
December 31, 20181,503 38 1,548 
December 31, 20191,684 30 1,721 
December 31, 20201,614 30 1,649 
December 31, 20211,926 22 — 1,948 
NET PROVED UNDEVELOPED RESERVES    
Crude Oil (MMBbl)    
December 31, 2018819 — — 819 
December 31, 2019893 — — 893 
December 31, 2020721 — — 721 
December 31, 2021660 — 662 
Natural Gas Liquids (MMBbl)    
December 31, 2018273 — — 273 
December 31, 2019353 — — 353 
December 31, 2020421 — — 421 
December 31, 2021413 — — 413 
Natural Gas (Bcf)    
December 31, 20181,692 13 18 1,723 
December 31, 20192,061 98 17 2,176 
December 31, 20202,457 98 16 2,571 
December 31, 20214,164 184 — 4,348 
Oil Equivalents (MMBoe)    
December 31, 20181,375 1,380 
December 31, 20191,589 16 1,608 
December 31, 20201,552 16 1,571 
December 31, 20211,767 32 — 1,799 
(1)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(1)Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.
F-44

EOG RESOURCES, INC.


SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)



Net Proved Undeveloped Reserves. The following table presents the changes in EOG's total proved undeveloped reservesPUDs during 2018, 20172021, 2020 and 20162019 (in MBoe)MMBoe):
 202120202019
Balance at January 11,571 1,608 1,380 
Extensions and Discoveries779 456 578 
Revisions(305)(277)(50)
Acquisition of Reserves— — 
Sale of Reserves(3)(4)— 
Conversion to Proved Developed Reserves(243)(212)(302)
Balance at December 311,799 1,571 1,608 
 2018 2017 2016
      
Balance at January 11,162,635
 1,053,027
 1,045,640
Extensions and Discoveries490,725
 237,378
 138,101
Revisions(8,244) 33,127
 64,413
Acquisition of Reserves311
 
 
Sale of Reserves
 (8,253) (45,917)
Conversion to Proved Developed Reserves(265,718) (152,644) (149,210)
Balance at December 311,379,709
 1,162,635
 1,053,027


For the twelve-month period ended December 31, 2018,2021, total PUDs increased by 217228 MMBoe to 1,3801,799 MMBoe.  EOG added approximately 3140 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-36F-39 and F-37F-40 of this Annual Report on Form 10-K), EOG added 460 MMBoe.739 MMBoe of PUDs.  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%52% of the additions were crude oil and condensate and NGLs.  During 2018,2021, EOG drilled and transferred 266243 MMBoe of PUDs to proved developed reserves at a total capital cost of $2,745$1,619 million. Revisions of previous estimates of negative 305 MMBoe of PUDs for 2021 included an upward price revision of 29 MMBoe due to increases in the average crude oil, NGLs and natural gas prices used in the December 31, 2021, reserves estimation as compared to the prices used in the prior year estimate.  Revisions other than price of negative 334 MMBoe were primarily related to the removal from the five-year development plan of certain PUD locations. These locations were replaced with more economic locations in the Permian Basin and the Dorado gas play, and the related reserves from these locations were included as extensions and discoveries. 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, 2017,2020, 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, 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. 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. The primary areas affected were the Eagle Ford oil play and the Rocky Mountain area.

For the twelve-month period ended December 31, 2019, total PUDs increased by 110228 MMBoe to 1,1631,608 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 199540 MMBoe.  The PUD additions were primarily in the Permian Basin, the Eagle Ford oil play and, to a lesser extent, the Eagle Ford and the Rocky Mountain area, and 74%73% of the additions were crude oil and condensate and NGLs.  During 2017,2019, EOG drilled and transferred 153302 MMBoe of PUDs to proved developed reserves at a total capital cost of $1,440$3,032 million. Revisions of PUDs totaled positive 33 MMBoe, primarily due to updated type curves resulting from improved performance of offsetting wells in the Permian Basin, the impact of increases in the average crude oil and natural gas prices used in the December 31, 2017, reserves estimation as compared to the prices used in the prior year estimate, and lower costs.  During 2017, EOG sold or exchanged 8 MMBoe of PUDs primarily in the Permian Basin.


For the twelve-month period ended December 31, 2016, total PUDs increased by 7 MMBoe to 1,053 MMBoe.  EOG added approximately 21 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 117 MMBoe.  The PUD additions were primarily in the Permian Basin and, to a lesser extent, the Rocky Mountain area, and 82% of the additions were crude oil and condensate and NGLs.  During 2016, EOG drilled and transferred 149 MMBoe of PUDs to proved developed reserves at a total capital cost of $1,230 million.  Revisions of PUDs totaled positive 64 MMBoe, primarily due to improved well performance, primarily in the Delaware Basin, and lower production costs, partially offset by the impact of decreases in the average crude oil and natural gas prices used in the December 31, 2016, reserves estimation as compared to the prices used in the prior year estimate.  During 2016, EOG sold 46 MMBoe of PUDs primarily in the Haynesville play.

F-45


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, 20182021 and 2017:2020:
 20212020
Proved properties$64,876 $61,725 
Unproved properties2,768 3,068 
Total67,644 64,793 
Accumulated depreciation, depletion and amortization(41,907)(38,751)
Net capitalized costs$25,737 $26,042 
 2018 2017
    
Proved properties$53,624,809
 $48,845,672
Unproved properties3,705,207
 3,710,069
Total57,330,016
 52,555,741
Accumulated depreciation, depletion and amortization(31,674,085) (29,191,247)
Net capitalized costs$25,655,931
 $23,364,494


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-46

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, 2018, 20172021, 2020 and 2016:2019:
 
United
States
 Trinidad 
Other
International (1)
 Total
2018       
Acquisition Costs of Properties       
Unproved (2)
$486,081
 $1,258
 $
 $487,339
Proved (3)
123,684
 
 
 123,684
Subtotal609,765
 1,258
 
 611,023
Exploration Costs157,222
 22,511
 13,895
 193,628
Development Costs (4)
5,605,264
 (12,863) 22,628
 5,615,029
Total$6,372,251
 $10,906
 $36,523
 $6,419,680
2017 
  
  
  
Acquisition Costs of Properties 
  
  
  
Unproved (5)
$424,118
 $2,422
 $
 $426,540
Proved (6)
72,584
 
 
 72,584
Subtotal496,702
 2,422
 
 499,124
Exploration Costs144,499
 62,547
 16,553
 223,599
Development Costs (7)
3,590,899
 109,491
 16,297
 3,716,687
Total$4,232,100
 $174,460
 $32,850
 $4,439,410
2016 
  
  
  
Acquisition Costs of Properties 
  
  
  
Unproved (8)
$3,216,598
 $
 $36
 $3,216,634
Proved (9)
749,023
 
 
 749,023
Subtotal3,965,621
 
 36
 3,965,657
Exploration Costs156,295
 2,695
 6,761
 165,751
Development Costs (10)
2,252,713
 72,147
 (10,984) 2,313,876
Total$6,374,629
 $74,842
 $(4,187) $6,445,284
 United
States
Trinidad
Other
International (1)
Total
2021
Acquisition Costs of Properties
Unproved (2)
$207 $— $$215 
Proved (3)
100 — — 100 
Subtotal307 — 315 
Exploration Costs296 51 354 
Development Costs (4)
3,206 77 17 3,300 
Total$3,809 $84 $76 $3,969 
2020    
Acquisition Costs of Properties    
Unproved (5)
$265 $— $— $265 
Proved (6)
97 — 38 135 
Subtotal362 — 38 400 
Exploration Costs203 81 12 296 
Development Costs (7)
2,998 20 3,022 
Total$3,563 $85 $70 $3,718 
2019    
Acquisition Costs of Properties    
Unproved (8)
$276 $— $— $276 
Proved (9)
380 — — 380 
Subtotal656 — — 656 
Exploration Costs214 47 12 273 
Development Costs (10)
5,662 25 12 5,699 
Total$6,532 $72 $24 $6,628 
(1)Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(2)Includes non-cash unproved leasehold acquisition costs of $291 million related to property exchanges.
(3)Includes non-cash proved property acquisition costs of $71 million related to property exchanges.
(4)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.
(5)Includes non-cash unproved leasehold acquisition costs of $256 million related to property exchanges.
(6)Includes non-cash proved property acquisition costs of $26 million related to property exchanges.
(7)Includes Asset Retirement Costs of $50 million, $2 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 $3,102 million related to the Yates transaction.
(9)Includes non-cash proved property acquisition costs of $732 million related to the Yates transaction.
(10)Includes Asset Retirement Costs of $25 million, $(3) million and $(42) million for the United States, Trinidad and Other International, respectively.  Excludes other property, plant and equipment.

(1)Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began exploration programs in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The decision was reached in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman.

(2)Includes non-cash unproved leasehold acquisition costs of $45 million related to property exchanges.

(3)Includes non-cash proved property acquisition costs of $5 million related to property exchanges.
(4)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.
(5)Includes non-cash unproved leasehold acquisition costs of $197 million related to property exchanges.
(6)Includes non-cash proved property acquisition costs of $15 million related to property exchanges.
(7)Includes Asset Retirement Costs of $97 million and $20 million for the United States and Other International, respectively. Excludes other property, plant and equipment.
(8)Includes non-cash unproved leasehold acquisition costs of $98 million related to property exchanges.
(9)Includes non-cash proved property acquisition costs of $52 million related to property exchanges.
(10)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.


F-47

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, 2018, 20172021, 2020 and 2016:2019:
 
United
States
 Trinidad 
Other
International (2)
 Total
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 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
2017 
  
  
  
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$7,570,768
 $284,673
 $52,450
 $7,907,891
Other81,610
 59
 (59) 81,610
Total7,652,378
 284,732
 52,391
 7,989,501
Exploration Costs113,334
 26,245
 5,763
 145,342
Dry Hole Costs91
 
 4,518
 4,609
Transportation Costs737,403
 1,885
 1,064
 740,352
Production Costs1,446,333
 27,839
 88,038
 1,562,210
Impairments477,223
 
 2,017
 479,240
Depreciation, Depletion and Amortization3,157,056
 115,174
 24,536
 3,296,766
Income (Loss) Before Income Taxes1,720,938
 113,589
 (73,545) 1,760,982
Income Tax Provision (Benefit)625,562
 24,882
 (1,342) 649,102
Results of Operations$1,095,376
 $88,707
 $(72,203) $1,111,880
2016 
  
  
  
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$5,177,989
 $243,708
 $75,046
 $5,496,743
Other81,386
 (8) 25
 81,403
Total5,259,375
 243,700
 75,071
 5,578,146
Exploration Costs115,990
 2,647
 6,316
 124,953
Dry Hole Costs10,529
 
 128
 10,657
Transportation Costs753,791
 1,181
 9,134
 764,106
Production Costs1,163,827
 27,113
 63,073
 1,254,013
Impairments611,297
 7,773
 1,197
 620,267
Depreciation, Depletion and Amortization3,249,792
 145,440
 42,052
 3,437,284
Income (Loss) Before Income Taxes(645,851) 59,546
 (46,829) (633,134)
Income Tax Provision (Benefit)(230,377) 5,526
 (1,562) (226,413)
Results of Operations$(415,474) $54,020
 $(45,267) $(406,721)
United
States
Trinidad
Other
International (2)
Total
2021
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$15,062 $301 $18 $15,381 
Other108 — — 108 
Total15,170 301 18 15,489 
Exploration Costs137 12 154 
Dry Hole Costs29 — 42 71 
Transportation Costs863 — — 863 
Gathering and Processing Costs559 — — 559 
Production Costs2,108 39 2,155 
Impairments312 61 376 
Depreciation, Depletion and Amortization3,411 87 3,504 
Income (Loss) Before Income Taxes7,751 167 (111)7,807 
Income Tax Provision1,690 73 (1)1,762 
Results of Operations$6,061 $94 $(110)$6,045 
2020    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$7,056 $180 $55 $7,291 
Other60 — — 60 
Total7,116 180 55 7,351 
Exploration Costs136 146 
Dry Hole Costs13 — — 13 
Transportation Costs734 — 735 
Gathering and Processing Costs459 — — 459 
Production Costs1,480 27 10 1,517 
Impairments2,018 81 2,100 
Depreciation, Depletion and Amortization3,192 60 16 3,268 
Income (Loss) Before Income Taxes(916)89 (60)(887)
Income Tax Provision(220)24 (193)
Results of Operations$(696)$65 $(63)$(694)
2019    
Crude Oil and Condensate, Natural Gas Liquids and Natural Gas Revenues$11,251 $270 $61 $11,582 
Other134 — — 134 
Total11,385 270 61 11,716 
Exploration Costs130 140 
Dry Hole Costs11 13 28 
Transportation Costs753 758 
Gathering and Processing Costs479 — — 479 
Production Costs2,063 31 40 2,134 
Impairments511 518 
Depreciation, Depletion and Amortization3,561 79 18 3,658 
Income (Loss) Before Income Taxes3,877 133 (9)4,001 
Income Tax Provision884 55 942 
Results of Operations$2,993 $78 $(12)$3,059 
(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, 2018.
(2)Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(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).

(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, 2021.
(2)Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 2021. EOG began exploration programs in Australia in the third quarter of 2021 and in Oman in the third quarter of 2020. The decision was reached in the fourth quarter of 2021 to exit Block 36 and Block 49 in Oman.


F-48

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, 2018, 20172021, 2020 and 2016:2019:
 
United
States
 Trinidad 
Other
International (1)
 Composite
        
Year Ended December 31, 2018$4.84
 $1.67
 $20.19
 $4.84
Year Ended December 31, 2017$4.58
 $1.39
 $50.86
 $4.66
Year Ended December 31, 2016$4.58
 $1.23
 $22.43
 $4.48
 United
States
Trinidad
Other
International (1)
Composite
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 
Year Ended December 31, 2019$4.59 $1.85 $18.26 $4.54 
(1)Other International primarily consists of EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.

(1)    Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 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 2018, 20172021, 2020 and 2016.2019.  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-49

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, 2018, 20172021, 2020 and 2016:2019:
 
United
States
 Trinidad 
Other
International (1)
 Total
2018       
Future cash inflows (2)
$133,066,375
 $749,695
 $303,620
 $134,119,690
Future production costs(42,351,174) (204,444) (99,024) (42,654,642)
Future development costs(16,577,794) (78,199) (11,900) (16,667,893)
Future income taxes(14,756,011) (174,382) (31,748) (14,962,141)
Future net cash flows59,381,396
 292,670
 160,948
 59,835,014
Discount to present value at 10% annual rate(27,348,744) (26,832) (33,483) (27,409,059)
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$32,032,652
 $265,838
 $127,465
 $32,425,955
2017 
  
  
  
Future cash inflows (3)
$83,652,363
 $904,141
 $664,560
 $85,221,064
Future production costs(32,018,812) (239,213) (311,383) (32,569,408)
Future development costs(13,395,873) (84,379) (58,543) (13,538,795)
Future income taxes(5,948,453) (195,855) (16,233) (6,160,541)
Future net cash flows32,289,225
 384,694
 278,401
 32,952,320
Discount to present value at 10% annual rate(14,532,290) (52,267) (40,103) (14,624,660)
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$17,756,935
 $332,427
 $238,298
 $18,327,660
2016 
  
  
  
Future cash inflows (4)
$57,913,314
 $524,523
 $402,587
 $58,840,424
Future production costs(27,625,833) (165,757) (227,293) (28,018,883)
Future development costs(12,602,699) (103,631) (35,602) (12,741,932)
Future income taxes(3,151,319) (60,001) 
 (3,211,320)
Future net cash flows14,533,463
 195,134
 139,692
 14,868,289
Discount to present value at 10% annual rate(6,039,736) (9,384) (7,012) (6,056,132)
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$8,493,727
 $185,750
 $132,680
 $8,812,157
 United
States
Trinidad
Other
International (1)
Total
2021
Future cash inflows (2)
$166,316 $1,135 $— $167,451 
Future production costs(44,905)(258)— (45,163)
Future development costs(13,885)(380)— (14,265)
Future income taxes(22,831)(84)— (22,915)
Future net cash flows84,695 413 — 85,108 
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 reserves$45,861 $325 $— $46,186 
2020    
Future cash inflows (3)
$73,727 $901 $281 $74,909 
Future production costs(34,619)(153)(54)(34,826)
Future development costs(15,159)(227)(18)(15,404)
Future income taxes(4,337)(81)(24)(4,442)
Future net cash flows19,612 440 185 20,237 
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 reserves$11,202 $339 $149 $11,690 
2019    
Future cash inflows (4)
$120,360 $813 $305 $121,478 
Future production costs(42,387)(166)(88)(42,641)
Future development costs(20,356)(212)(18)(20,586)
Future income taxes(11,460)(74)(32)(11,566)
Future net cash flows46,157 361 167 46,685 
Discount to present value at 10% annual rate(21,043)(86)(35)(21,164)
Standardized measure of discounted future net cash flows relating to proved oil and gas reserves$25,114 $275 $132 $25,521 
(1)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(2)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.
(3)Estimated crude oil prices used to calculate 2017 future cash inflows for the United States, Trinidad and Other International were $49.21, $41.87 and $50.06, respectively. Estimated NGL price used to calculate 2017 future cash inflows for the United States was $23.51. Estimated natural gas prices used to calculate 2017 future cash inflows for the United States, Trinidad and Other International were $1.96, $2.76 and $5.16, respectively.
(4)Estimated crude oil prices used to calculate 2016 future cash inflows for the United States, Trinidad and Other International were $40.70, $34.79 and $39.55, respectively. Estimated NGL price used to calculate 2016 future cash inflows for the United States was $14.69. Estimated natural gas prices used to calculate 2016 future cash inflows for the United States, Trinidad and Other International were $1.40, $1.76 and $4.84, respectively.

(1)Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.

(2)Estimated crude oil prices used to calculate 2021 future cash inflows for the United States and Trinidad 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 and Trinidad were $4.61 and $3.28, respectively.

(3)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 NGL 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.
(4)Estimated crude oil prices used to calculate 2019 future cash inflows for the United States, Trinidad and Other International were $57.51, $46.77 and $57.22, 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.



F-50

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, 2018:2021:
 
United
States
 Trinidad 
Other
International (1)
 Total
        
December 31, 2015$8,965,467
 $381,124
 $274,805
 $9,621,396
Sales and transfers of oil and gas produced, net of production costs(3,260,372) (215,414) (2,839) (3,478,625)
Net changes in prices and production costs(3,352,802) (182,876) (143,924) (3,679,602)
Extensions, discoveries, additions and improved recovery, net of related costs865,066
 42,201
 
 907,267
Development costs incurred1,207,000
 3,900
 19,100
 1,230,000
Revisions of estimated development cost2,092,769
 22,596
 6,343
 2,121,708
Revisions of previous quantity estimates1,013,753
 36,648
 2,619
 1,053,020
Accretion of discount970,388
 56,566
 27,481
 1,054,435
Net change in income taxes738,416
 129,622
 
 868,038
Purchases of reserves in place377,872
 
 
 377,872
Sales of reserves in place(375,793) 
 
 (375,793)
Changes in timing and other(748,037) (88,617) (50,905) (887,559)
December 31, 20168,493,727
 185,750
 132,680
 8,812,157
Sales and transfers of oil and gas produced, net of production costs(5,387,031) (254,948) 36,649
 (5,605,330)
Net changes in prices and production costs6,606,908
 436,969
 77,668
 7,121,545
Extensions, discoveries, additions and improved recovery, net of related costs3,644,041
 270,255
 43,952
 3,958,248
Development costs incurred1,435,600
 4,700
 
 1,440,300
Revisions of estimated development cost(114,464) 9,683
 (20,096) (124,877)
Revisions of previous quantity estimates2,460,498
 (58,373) 36,146
 2,438,271
Accretion of discount849,373
 24,066
 13,268
 886,707
Net change in income taxes(1,918,989)��(114,575) (10,099) (2,043,663)
Purchases of reserves in place30,362
 
 
 30,362
Sales of reserves in place(76,527) 
 
 (76,527)
Changes in timing and other1,733,437
 (171,100) (71,870) 1,490,467
December 31, 201717,756,935
 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, 2018$32,032,652
 $265,838
 $127,465
 $32,425,955
 United
States
Trinidad
Other
International (1)
Total
December 31, 2018$32,033 $266 $127 $32,426 
Sales and transfers of oil and gas produced, net of production costs(7,955)(235)(20)(8,210)
Net changes in prices and production costs(10,974)66 28 (10,880)
Extensions, discoveries, additions and improved recovery, net of related costs5,608 85 16 5,709 
Development costs incurred3,004 23 3,033 
Revisions of estimated development cost(599)(129)(11)(739)
Revisions of previous quantity estimates(813)116 (696)
Accretion of discount3,892 43 15 3,950 
Net change in income taxes1,454 94 1,549 
Purchases of reserves in place99 — — 99 
Sales of reserves in place(51)— — (51)
Changes in timing and other(584)(54)(31)(669)
December 31, 2019$25,114 $275 $132 $25,521 
Sales and transfers of oil and gas produced, net of production costs(4,382)(152)(45)(4,579)
Net changes in prices and production costs(18,625)132 47 (18,446)
Extensions, discoveries, additions and improved recovery, net of related costs1,437 64 — 1,501 
Development costs incurred1,675 — — 1,675 
Revisions of estimated development cost4,149 (11)— 4,138 
Revisions of previous quantity estimates(3,307)12 (2)(3,297)
Accretion of discount3,055 34 15 3,104 
Net change in income taxes3,497 (12)3,488 
Purchases of reserves in place49 — — 49 
Sales of reserves in place(156)— — (156)
Changes in timing and other(1,304)(3)(1)(1,308)
December 31, 2020$11,202 $339 $149 $11,690 
Sales and transfers of oil and gas produced, net of production costs(11,532)(261)(16)(11,809)
Net changes in prices and production costs37,088 133 (1)37,220 
Extensions, discoveries, additions and improved recovery, net of related costs12,154 71 — 12,225 
Development costs incurred1,619 16 — 1,635 
Revisions of estimated development cost2,773 (133)— 2,640 
Revisions of previous quantity estimates(1,789)73 — (1,716)
Accretion of discount1,313 42 17 1,372 
Net change in income taxes(9,914)27 17 (9,870)
Purchases of reserves in place151 — — 151 
Sales of reserves in place(19)— (151)(170)
Changes in timing and other2,815 18 (15)2,818 
December 31, 2021$45,861 $325 $ $46,186 
(1)Other International includes EOG's United Kingdom, China, Canada and Argentina operations. The United Kingdom operations were sold in the fourth quarter of 2018. The Argentina operations were sold in the third quarter of 2016.
(1)    Other International includes EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.
EOG RESOURCES, INC.
F-51

SUPPLEMENTAL INFORMATION TO CONSOLIDATED FINANCIAL STATEMENTS (Concluded)

Unaudited Quarterly Financial Information
(In Thousands, Except Per Share Data)


Quarter EndedMar 31 Jun 30 Sep 30 Dec 31
2018       
Operating Revenues and Other$3,681,162
 $4,238,077
 $4,781,624
 $4,574,536
Operating Income$874,588
 $964,931
 $1,506,687
 $1,123,140
Income Before Income Taxes$813,359
 $892,936
 $1,446,363
 $1,088,340
Income Tax Provision174,770
 196,205
 255,411
 195,572
Net Income$638,589
 $696,731
 $1,190,952
 $892,768
Net Income Per Share (1)
 
  
  
  
Basic$1.11
 $1.21
 $2.06
 $1.55
Diluted$1.10
 $1.20
 $2.05
 $1.54
Average Number of Common Shares 
  
  
  
Basic575,775
 576,135
 577,254
 577,035
Diluted579,726
 580,375
 581,559
 580,288
2017 
  
  
  
Operating Revenues and Other$2,610,565
 $2,612,472
 $2,644,844
 $3,340,439
Operating Income$107,746
 $127,908
 $214,836
 $475,912
Income Before Income Taxes$39,382
 $62,467
 $145,980
 $413,353
Income Tax Provision (Benefit) (2)
10,865
 39,414
 45,439
 (2,017,115)
Net Income$28,517
 $23,053
 $100,541
 $2,430,468
Net Income Per Share (1)
 
  
  
  
Basic$0.05
 $0.04
 $0.17
 $4.22
Diluted$0.05
 $0.04
 $0.17
 $4.20
Average Number of Common Shares 
  
  
  
Basic573,935
 574,439
 574,783
 575,394
Diluted578,593
 578,483
 578,736
 579,203
(1)The sum of quarterly net income per share may not agree with total year net income per share as each quarterly computation is based on the weighted average of common shares outstanding.
(2)Includes an income tax benefit of approximately $2.2 billion for the quarter ended December 31, 2017, primarily due to the enactment of the Tax Cuts and Jobs Act in December 2017. See Note 6 to the Consolidated Financial Statements.


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
**2.1  3.1(a)-
    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)-
  3.2-
  4.1-
  4.2-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
#4.3(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.
#4.3(b)-Global Note with respect to the 6.65% Notes due April 1, 2028 of Enron Oil & Gas Company (predecessor to EOG).
  4.4-
  4.5(a)-
  4.5(b)-
  4.6(a)-
  4.6(b)-
  4.7(a)-
  4.7(b)-
  4.8(a)-
  4.8(b)  4.5(b)-
  4.9(a)  4.6(a)-
  4.9(b)-
  4.10(a)-
  4.10(b)  4.6(b)-
  4.10(c)  4.6(c)-
  4.11(a)  4.7(a)-
  4.11(b)  4.7(b)-
  4.11(c)  4.7(c)-
10.1(a)+  4.8(a)-
10.1(b)+  4.8(b)-


  4.8(c)-
Form of Global Note with respect to the 4.950% Senior Notes due 2050 of EOG (included in Exhibit 4.10(a)).
Exhibit
Number
10.1(a)+
Description
10.1(c)+-
10.1(d)+-
10.1(e)+-
10.1(f)+-
10.1(g)+-
10.1(h)+-
10.1(i)-
10.1(j)+-
10.1(k)+-
10.1(l)-
10.1(m)-
10.1(n)+-
10.2(a)+-
10.2(b)10.1(b)+-
10.2(c)10.1(c)+-
10.2(d)10.1(d)+-
10.2(e)10.1(e)+-


E-2


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




Exhibit
Number
10.3(b)+
Description
  10.3(b)+-
10.3(c)+-
*10.3(d)+-
  10.3(e)+-
  10.3(f)+-
  10.4(a)10.3(e)+-
  10.4(b)10.4(a)+-
  10.4(c)+-
  10.5(a)+-
  10.5(b)+-
  10.5(c)+-
  10.5(d)+-
  10.6(a)+-
  10.6(b)10.4(b)+-
  10.6(c)10.4(c)+-
  10.7(a)10.5(a)+-
  10.7(b)10.5(b)+-
  10.8(a)10.6(a)+-


E-4


          10.12(a)+
Exhibit
Number
Description
     10.9+-
     10.10(a)+-
          10.12(b)     1010(b)+-
          10.13+     10.11+-
          10.14(a)+     10.12+-
          10.14(b)+     10.13-
          10.14(c)+-
          10.15-
*        21     *21-
*        23.1     *23.1-
*        23.2     *23.2-
*        24     *24-
*        31.1     *31.1-
*        31.2     *31.2-
*        32.1     *32.1-
*        32.2     *32.2-
*        95     *95-
*        99.1     *99.1-


Exhibit
Number
        101.INS
-DescriptionInline 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.INS101.SCH-XBRL Instance Document.
*  ***101.SCH- Inline XBRL Schema Document.
*  ***101.CAL-Inline XBRL Calculation Linkbase Document.
*  ***101.LAB101.DEF-Inline XBRL Definition Linkbase Document.
*  **101.LAB-Inline XBRL Label Linkbase Document.
*  ***101.PRE-Inline XBRL Presentation Linkbase Document.
*  ***101.DEF        104-Cover Page Interactive Data File (formatted as Inline XBRL Definition Linkbase Document.and contained in Exhibit 101).


*Exhibits filed herewith


**Annexes, exhibit and disclosure schedules have been omitted pursuant to Item 601(b)(2) of Regulation S-K. A list of the annexes and exhibit is included after the table of contents in the Agreement and Plan of Merger. The disclosure schedules set forth various matters in respect of the representations, warranties, covenants and other provisions of the Agreement and Plan of Merger. The registrant agrees to furnish a supplemental copy of any such omitted annexes, exhibit or disclosure schedules to the SEC upon request.

***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, 2018,2021, (ii) the Consolidated Balance Sheets - December 31, 20182021 and 2017,2020, (iii) the Consolidated Statements of Stockholders' Equity for Each of the Three Years in the Period Ended December 31, 2018,2021, (iv) the Consolidated Statements of Cash Flows for Each of the Three Years in the Period Ended December 31, 20182021 and (v) the Notes to Consolidated Financial Statements.


+ Management contract, compensatory plan or arrangement




E-5


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 26, 201924, 2022By:
/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 2624th day of February, 2019.
2022.
SignatureTitle
/s/ EZRA Y. YACOBChief Executive Officer and Director
(Ezra Y. Yacob)(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)
Signature*TitleDirector
(James C. Day)
/s/ WILLIAM R. THOMAS
*Director
(C. Christopher Gaut)
*Director
(Michael T. Kerr)
*Director
(Julie J. Robertson)
*Director
(Donald F. Textor)
*Chairman of the Board and Chief Executive Officer and(Director)
(William R. Thomas)Director (Principal Executive Officer)
*By:/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
(Julie J. Robertson)
*Director
(Donald F. Textor)
*Director
(Frank G. Wisner)
*By:/s/ MICHAEL P. DONALDSON
(Michael P. Donaldson)
(Attorney-in-fact for persons indicated)