SLB Schlumberger

Schlumberger NV
Company
Patents are sorted by USPTO publication date, most recent first
GRANT
Utility
Water control agent for oilfield application
27 Oct 20
Methods for treating subterranean wells involve treating fluids that contain water and a plurality of water dispersible nanoparticles.
Mohan Kanaka Raju Panga, Valerie Gisele Helene Lafitte, Richard Donald Hutchins, Philippe Enkababian
Filed: 19 May 16
GRANT
Utility
Underreamer cutter block
27 Oct 20
A downhole cutting apparatus includes a cutter block.
Philip G. Trunk
Filed: 27 Oct 16
GRANT
Utility
System and methods using fiber optics in coiled tubing
27 Oct 20
Apparatus having a fiber optic tether disposed in coiled tubing for communicating information between downhole tools and sensors and surface equipment and methods of operating such equipment.
John R. Lovell, Michael G. Gay, Sarmad Adnan, Kean Zemlak
Filed: 17 Jul 17
GRANT
Utility
Automated pump control of a cementing unit of wellsite equipment
27 Oct 20
Systems and methods for controlling wellsite equipment, including a cementing unit comprising a plurality of sensors operable to generate information related to operational status of the cementing unit and a controller comprising a processor and a memory including computer program code.
Carlos Urdaneta
Filed: 24 Mar 16
GRANT
Utility
Oilfield service selector
27 Oct 20
A method can include receiving information associated with an oilfield service; analyzing at least a portion of the information based at least in part on an oilfield services database that includes individual data structures that characterize individual oilfield services; and, based at least in part on the analyzing, outputting at least one additional oilfield service as a recommended oilfield service.
Lucian Johnston, Mark Passolt
Filed: 14 Jan 16
GRANT
Utility
Enhanced viscosity of polymer solutions in high salinity brines
27 Oct 20
Methods of treating a subterranean formation penetrated by a wellbore include providing environmental water, admixing a viscosifying amount of a polymer and at least one divalent cation with the environmental water to form an admixture, and pumping the admixture through the wellbore at a rate and pressure sufficient to treat the subterranean formation.
Lindsay Lites, Bruce Alexander MacKay, Andrey Mirakyan, Blake McMahon
Filed: 24 Jun 15
GRANT
Utility
Vertical drilling and fracturing methodology
27 Oct 20
A method for drilling and fracturing a subterranean formation includes drilling a substantially horizontal pilot well from a previously drilled vertical pilot well.
Dmitriy Potapenko, James Ernest Brown, Mathieu Vandermolen
Filed: 23 Feb 16
GRANT
Utility
Flow measurement insert
27 Oct 20
A multiphase flow measurement insert for insertion within a pipe includes a first, upstream isolation disc sized and shaped so as to make a fluid tight seal with the interior surface of the pipe.
Songming Huang
Filed: 22 Nov 16
GRANT
Utility
Systems and methods for performing hydraulic fracturing in vertically heterogenous regions
27 Oct 20
A hydraulic fracturing system includes a perforating tool configured to perforate a casing of a well and a computing system communicatively coupled to the perforating tool.
Kousic Theja Kanneganti
Filed: 16 Sep 16
GRANT
Utility
Seismic constrained discrete fracture network
27 Oct 20
A method can include receiving values of an inversion based at least in part on seismic amplitude variation with azimuth (AVAz) data for a region of a geologic environment; based at least in part on the received values, computing values that depend on components of a second-rank tensor aij; selecting a fracture height for fractures in the geologic environment; selecting an azimuth for a first fracture set of the fractures; based at least in part on the values for the second-rank tensor aij, the fracture height and the selected azimuth, determining an azimuth for a second fracture set of the fractures; and generating a discrete fracture network (DFN) for at least a portion of the region of the geologic environment where the discrete fracture network (DFN) includes fractures of the first fracture set and fractures of the second fracture set.
Lennert David den Boer, Colin M. Sayers
Filed: 20 Jul 16
APP
Utility
Aqueous Acidic Compositions with a Corrosion Inhibitor
22 Oct 20
An aqueous acid composition that may be used, for example, in a matrix acidizing treatment can include an acid, a polymeric acid corrosion inhibitor, and an acid corrosion inhibitor intensifier.
Trevor Lloyd Hughes, Evgeny Borisovich Barmatov, Lynne Patricia Crawford, Jill F. Geddes, Man Yi Ho
Filed: 15 Apr 20
APP
Utility
Catwalk System
22 Oct 20
A catwalk system comprising a catwalk suitcase and a tubular handling catwalk.
Aaron Bryant
Filed: 22 Apr 19
APP
Utility
Systems and Methods for Downhole Service Tools
22 Oct 20
A mechanical service tool that may include one or more anchors, a cutter, a communication and control system, and one or more sensors, as well as methods for operating the mechanical service tool, are provided.
Robert Kyle Wiesenborn, Matthew Dresel, Pierre-Olivier Gourmelon, Rex Mennem, Matthew Billingham, Todor Sheiretov, Nathan Landsiedel, Yoann Couble, Wade DuPree
Filed: 21 Sep 18
APP
Utility
Detecting Events in Well Reports
22 Oct 20
A system, computer-readable medium, and method for identifying drilling events in drilling reports, of which the method includes receiving one or more drilling reports including text data representing one or more observations recorded during a drilling activity, identifying a drilling event, a drilling activity, or both from the text data using a model, obtaining feedback based at least in part on the drilling event, the drilling activity, or both that were identified, and training the model based on the feedback.
Yuxin Tang, Qing Liu, Paul Bolchover, Di Cao, Jean-Pierre Poyet, Benoit Foubert, Ping Zhang
Filed: 1 Jun 17
APP
Utility
Flowline Saturation Pressure Measurements
22 Oct 20
A method for sampling a downhole formation fluid includes pumping formation fluid into the flowline of a downhole sampling tool, measuring a saturation pressure of the formation fluid in the flowline while pumping, and adjusting the pumping rate such that the fluid pressure in the flowline remains within a predetermined threshold above the measured saturation pressure.
Kentaro Indo, Julian Pop, Maxim Yushko, Tudor Ioan Palaghita, Zeynep Alpman, Alexis Petit, Sepand Ossia, Tullio Moscato
Filed: 6 Jul 20
APP
Utility
Pore Pressure Prediction
22 Oct 20
Methods, computing systems, and computer-readable media for predicting pore pressure.
Gong Rui Yan, Ping Zhang, Ping Lu, Jing Zhang, Chang Liu
Filed: 3 Jun 16
APP
Utility
Petro-Technical Global Fluid Identity Repository
22 Oct 20
A global fluid identity repository is used to maintain and manage fluid characterization data for various fluids utilized in the oil & gas industry, e.g., reservoir fluids within subsurface formations.
Kurt Andreas George Schmidt
Filed: 5 Oct 17
GRANT
Utility
Heating flash-on-oil vapor section
20 Oct 20
Method and apparatus for recovering a material by vaporization is disclosed.
Nasser Ghorbani
Filed: 20 Dec 18
GRANT
Utility
System and methodology for welding
20 Oct 20
A technique facilitates a welding operation in a variety of difficult environments, including downhole environments, to enable formation a dependable connection between components.
Hongfa Huang
Filed: 26 Sep 16
GRANT
Utility
Corrosion inhibition
20 Oct 20
A method of inhibiting corrosion of duplex stainless steel by aqueous acidic solution, comprises carrying out a preliminary treatment which is passivation of the steel while exposing the steel to a first aqueous acidic solution containing at least one organic corrosion inhibitor able to adsorb to a steel surface, so as to deposit a passivating and corrosion inhibiting film on the steel surface; and thereafter during a second period of time exposing the steel to a second aqueous acidic solution different from the first aqueous acidic solution and also containing at least one organic corrosion inhibitor able to adsorb to a steel.
Evgeny Borisovich Barmatov, Trevor Lloyd Hughes, Jill F. Geddes
Filed: 26 Aug 15