1026 patents
Page 39 of 52
Utility
Customized drilling tools
21 Sep 21
A downhole cutting tool has a body that includes a cutting end, a connection end, a longitudinal axis extending axially through the body, and a gradient composition having one or more gradients.
Xiaoge Gan, Youhe Zhang, Huimin Song
Filed: 1 Jul 19
Utility
Geologic feature splitting
21 Sep 21
A method includes receiving information that defines a three-dimensional subterranean structure; splitting the three-dimensional subterranean structure into portions; generating convex hulls for the portions; and generating a discrete fracture network based at least in part on the convex hulls.
Zhenhua Li, Qingrui Li, Ping Xu, Guang Xiong, Lina Xu, Paolo Saverio Damiani
Filed: 24 Nov 14
Utility
Liner lock flange for a piston pump
21 Sep 21
A piston pump includes a frame, a housing configured to be coupled to the frame via a fastener, an annular liner defining a chamber configured to receive a piston of the piston pump, and an annular liner lock flange circumferentially surrounding the annular liner.
Jaakko Jalmari Halmari, David Scott Crew, Jr., Jeffrey Boardman Pruitt, Ban Tran
Filed: 9 Aug 18
Utility
Automatic calibration for modeling a field
21 Sep 21
Automatic calibration for modeling a field includes performing model calibration iterations based on measurements of the field.
Claudio Schirrmann, Adrian Kleine, Christian Vogt
Filed: 13 Jun 16
Utility
Compositions and methods for servicing subterranean wells
14 Sep 21
Treatment fluids containing salts, surfactants, mutual solvents and fibers may be used to remove wellbore filter cakes that have been deposited by drilling fluids.
Diankui Fu, Kong Teng Ling, Daniel Thomas Melice
Filed: 15 Sep 16
Utility
Drilling systems and methods
14 Sep 21
A directional drilling system that includes a drill bit that drills a bore through rock.
Mauro Caresta, Fabio Cappi, Hans Seehuus, Kjell Haugvaldstad, Riadh Boualleg, Joachim Sihler, Ashley Bernard Johnson
Filed: 2 Jul 18
Utility
Downhole steering system and methods
14 Sep 21
A downhole steering system includes a substantially tubular housing, a shaft positioned within the substantially tubular housing, a first bearing and a second bearing, the first and second bearings being configured to support rotation of the shaft relative to the housing.
Jonathan D. Marshall, Edward George Parkin, Geoffrey Charles Downton, David C. Hoyle, Nalin Weerasinghe, Dennis Patrick Chestnutt
Filed: 26 Jun 18
Utility
Tubular delivery arm for a drilling rig
14 Sep 21
A tubular delivery arm that travels vertically along a rail on the front of a drilling mast in generally parallel orientation to the travel of a top drive.
Melvin Alan Orr, Mark W. Trevithick, Joe Rodney Berry, Robert Metz
Filed: 1 May 17
Utility
Automated system health check and system advisor
14 Sep 21
Systems and methods for monitoring system health of a well cementing operation are disclosed.
Dinh Quy Nguyen, Carlos Urdaneta, Gang Qu, Rajnarayanan Balsamy
Filed: 28 Aug 19
Utility
Construction of digital representation of complex compositional fluids
14 Sep 21
A method for performing a simulation of a field having a subterranean formation is described.
John Ratulowski, Denis Klemin, Mark Andersen, Oleg Dinariev, Nikolay Vyacheslavovich Evseev, Evgeny Ivanov, Sergey Sergeevich Safonov, Dmitry Anatolievich Koroteev
Filed: 25 Nov 14
Utility
Methods and systems for determining fast and slow shear directions in an anisotropic formation using a logging while drilling tool
14 Sep 21
Methods are provided for determining properties of an anisotropic formation (including both fast and slow formations) surrounding a borehole.
Pu Wang, Sandip Bose, Bikash Kumar Sinha, Ting Lei
Filed: 13 Apr 17
Utility
Compression and timely delivery of well-test data
14 Sep 21
A method is described for performing, by a processor, one or more queries on one or more sensors, for one or more data collected by the one or more sensors, at predetermined instants of time by a downhole modem operably coupled to the one or more sensors, prior to receiving a request for transmission of the data from a surface modem.
Clement Probel, Carlos Merino, Andriy Gelman, Julius Kusuma
Filed: 18 Mar 19
Utility
Downhole tool string weight measurement and sensor validation
7 Sep 21
Methods and systems for performing weigh measurement of a downhole tool string and validating accuracy of corresponding sensors.
Alejandro Camacho Cardenas
Filed: 12 Apr 19
Utility
Method and device for estimating sonic slowness in a subterranean formation
7 Sep 21
A method for estimating sonic slowness comprising: obtaining (700) a plurality of sonic waveforms are received by a plurality of receivers of a logging tool after emission of a source sonic wave by a transmitter, obtaining (710) slowness models of the subterranean formation, a slowness model being defined by a at least one cell of constant slowness for at least one wave energy mode, computing (720), for each slowness model, a set of candidate travel times, a candidate travel time of a set of candidate travel times being computed for a wave energy mode and a position of a receiver of the plurality of receivers, computing (730) a relevance indicator for each set of candidate travel times based on the recorded sonic waveforms; searching (740) a match between the sets of candidate travel times and the recorded sonic waveforms by searching a relevance indicator which is optimum, computing (750) a sonic slowness estimate for the subterranean formation from a set of candidate travel times for which the relevance indicator is optimum.
Bassem Khadhraoui, Saad Kisra
Filed: 21 Mar 17
Utility
Data fusion technique to compute reservoir quality and completion quality by combining various log measurements
7 Sep 21
Methods may include normalizing two or more wellbore logs obtained from the output of two or more wellbore tool surveys of a wellbore in a formation of interest; inputting two or more wellbore logs into a correlation matrix; assigning each of the two or more wellbore logs a positive or negative value based on the impact on a selected wellbore quality; performing a principal component analysis of the two or more wellbore logs to obtain one or more loading vectors; computing weighting factors for each of the two or more wellbore logs from the one or more loading vectors; and generating a quality index by linearly combining the two or more wellbore logs using the computed weighting factors.
Tuanfeng Zhang, Richard E. Lewis, Helena Gamero Diaz
Filed: 30 Apr 18
Utility
Calibration of electromagnetic measurement tool
7 Sep 21
A calibration method includes determining calibration standards for a reference tool including a reference transmitter and a reference receiver.
Mark Frey
Filed: 3 Dec 18
Utility
Methods and system to reduce imperceptible lab experiments
7 Sep 21
Methods may include defining operational parameters for an initial composition design; generating an initial composition design from the defined operational parameters; predicting the performance of the initial composition design using a statistical model; comparing the performance of the initial composition design with the operational parameters; optimizing the initial composition design according to the defined operational parameters; and outputting a final composition design.
Bhanu Kaushik, Samir Menasria
Filed: 20 Jun 16
Utility
Blowout preventer with dual function rams
7 Sep 21
A dual function ram system for a blowout preventer (BOP) includes a first dual function ram that is configured to move within a cavity of the BOP between a withdrawn position to cause the BOP to be in an open configuration and an extended position to cause the BOP to be in a closed configuration.
Patrice Couren, Florent Vargas
Filed: 9 Mar 20
Utility
System and methodology for controlling fluid flow
7 Sep 21
A technique facilitates formation of a gravel pack.
Bryan Stamm, Michael Dean Langlais, John R. Whitsitt
Filed: 16 Mar 18
Utility
Wellbore annular safety valve and method
7 Sep 21
A method includes deploying a tubing having a tubing bore in a casing in a wellbore, the tubing including a cup packer forming an annular barrier across a tubing-casing annulus separating the tubing-casing annulus into an upper annulus and a lower annulus, the cup packer having a fluid conduit extending substantially parallel to the tubing bore, and a barrier valve coupled with the fluid conduit to permit one-way fluid flow from the upper annulus to the lower annulus, communicating a fluid from the upper annulus through the barrier valve to the lower annulus, and closing the barrier valve in response to pressure in the upper annulus being less than pressure in the lower annulus.
Oystein Molstre
Filed: 14 Feb 20