1026 patents
Page 17 of 52
Utility
Additive to improve cold temperature properties in oil-based fluids
21 Feb 23
An additive composition includes a rheology modifier selected from alcohol ethoxylates, amine ethoxylates, or ethylene oxide/propylene oxide copolymers, wherein the rheology modifier has an HLB ranging from about 4 to 10; and a winterizing agent that is at least one aliphatic non-ionic surfactant that has a branched structure and/or includes at least one unsaturation, wherein the winterizing agent has an HLB value between about 8 and 10.5.
Dimitri M. Khramov, Reda Karoum, Stephen Cliffe
Filed: 26 Feb 18
Utility
Riser mounted controllable orifice choke
21 Feb 23
An apparatus includes a variable orifice choke disposed within a riser.
Bastiaan Liezenberg
Filed: 2 Dec 16
Utility
Method and system for reactively defining valve settings
21 Feb 23
A method includes obtaining a reservoir model for a subsurface reservoir, identifying a current state of the subsurface reservoir using the reservoir model, and a computer processor selecting an optimization function from multiple optimization functions according to the current state of the reservoir to obtain a selected optimization function.
Trevor Graham Tonkin, Shingo Watanabe, Matthew Worthington, Mohamed Osman Mahgoub Ahmed
Filed: 11 Sep 18
Utility
Electric submersible pump with reduced vibration
21 Feb 23
An electric submersible pump (ESP) with reduced vibration is provided.
Hao Lam, Arthur I. Watson, Jacques Orban, Lauro De Camargo, David Milton Eslinger
Filed: 19 Aug 19
Utility
Closed loop control of drilling curvature
21 Feb 23
A downhole closed loop method for controlling a curvature of a subterranean wellbore while drilling includes controlling a direction of drilling such that the drilling attitude is substantially equal to a setpoint attitude.
Peter Hornblower, Steven David Hough, Maja Ignova
Filed: 28 Apr 21
Utility
Cutting element with nonplanar face to improve cutting efficiency and durability
14 Feb 23
A cutting element has a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge, wherein the elongated protrusion has a geometry including a border extending around a concave surface and sloped surfaces extending between the border and the edge, and wherein the concave surface has a major axis dimension measured between opposite sides of the border and a minor axis dimension measured perpendicularly to the major axis dimension and ranging from 50 percent to 99 percent of the major axis dimension.
Manoj Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap, Youhe Zhang, Michael George Azar, Venkatesh Karuppiah, Anthony LeBaron, Xian Yao
Filed: 8 Jan 21
Utility
Well management on cloud computing system
14 Feb 23
Well management includes receiving, from a user computing system, a simulation job request for simulating well management on the cloud computing system including compute nodes, and obtaining, for the simulation job request, search spaces for completion stage simulations, fracture stage simulations, and production stage simulations.
Jean-Paul Mogou Dessap, Piyush Pankaj, Kenneth J. Sheldon, Hitoshi Onda, Bjorn Nordmoen
Filed: 7 Mar 16
Utility
Well construction management and decision support system
7 Feb 23
A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore.
Ginger Vinyard Hildebrand, Chunling Gu Coffman, Rustam Isangulov
Filed: 15 Feb 21
Utility
Rotational drive system for a blowout preventer
7 Feb 23
The present disclosure relates to a drive system for a blowout preventer (BOP).
Dinesh Kumar Dhamodaran, Michael Raymond Netecke
Filed: 3 Jun 20
Utility
Downhole tools with tapered actuators having reduced cyclical torque
31 Jan 23
A downhole tool includes a tool body and an actuator coupled to and selectively extendible relative to the tool body.
Kjell Haugvaldstad, Neil Cannon
Filed: 16 Mar 21
Utility
Fixed cutter drill bit with high fluid pressures
31 Jan 23
A drill bit includes a bit body with high and low fluid pressure bodies.
Gary R. Portwood, Simone Pallesi, Alessio Cechi, Alessandro Bertini
Filed: 5 Jul 19
Utility
Compact high-voltage power supply systems and methods
31 Jan 23
A downhole tool may include a high-voltage power supply disposed within a housing to transform input power to the downhole tool from a first voltage to a second voltage greater than the first voltage.
Jani Reijonen, Giovana Stefan, Austin Jones, Matthieu Simon, Anthony Durkowski, Marc-Andre de Looz, Justin Mlcak
Filed: 20 Dec 19
Utility
Integrated loading tube
31 Jan 23
The present disclosure provides a loading tube to be used in a perforating gun.
Ashutosh Gupta, Stephen D'Mello, Andrew Prisbell, Hari Prakash Kalakonda, Rucha Deshmukh
Filed: 20 Apr 21
Utility
Methods of drilling using mixed proportional integral derivative control
31 Jan 23
A proportional integral derivative (PID) controller implements control over a drilling system based on an integral term and a proportional term.
Benjamin Peter Jeffryes
Filed: 15 Mar 21
Utility
Pressure drop in low liquid loading flows
24 Jan 23
Systems, methods, and computer-readable media that improve flow of a multiphase mixture in a fluid transport system by determining pressure drop of low-liquid loading flows are provided.
Dag Biberg
Filed: 16 Apr 18
Utility
Lead alloy barrier tape splice for downhole power cable
24 Jan 23
A technique facilitates splicing of a power cable including splicing of a protective lead barrier.
Christopher Von Fange
Filed: 3 Oct 18
Utility
Modular borehole imaging apparatus and methods
17 Jan 23
The present disclosure introduces an apparatus including a toolstring for use in a tubular extending into a subterranean formation.
Cédric Perrin, Jose Luis Lopes, Sébastien Jacquart, Miguel Delgado, Florian Becker, Pedro Alexandre Das Neves, Ram Sunder Kalyanraman, Syed Talghani, Alexis He, Chew Yeong Leong, Josselin Kherroubi
Filed: 7 Dec 20
Utility
Fluids and methods for mitigating sag and extending emulsion stability
17 Jan 23
A method of drilling a wellbore includes pumping an oleaginous wellbore fluid into a wellbore, the oleaginous wellbore fluid including an oleaginous continuous phase; a non-oleaginous discontinuous phase; an emulsifier stabilizing the non-oleaginous discontinuous phase in the oleaginous continuous phase; an organophilic clay; a weighting agent; and a wetting agent having an HLB ranging from about 4 to 10.5 that it selected such that the oleaginous wellbore fluid has a 600 rpm dial value at 40° F. of less than about 300 and a 10 minute gel strength of less than about 40 lbf/100 ft2.
Stephen Cliffe, Steven Young, Chemsseddine Bouguetta, Dimitri M. Khramov
Filed: 26 Feb 18
Utility
Drawworks apparatus and method
10 Jan 23
A drawworks assembly including a drum including a first end, a second end, and a longitudinal axis, a coupling assembly configured to transmit torque to the drum, and a cradle assembly configured to support the drum, wherein the coupling assembly is releasably coupled to the drum at a first planar engagement interface disposed at the first end of the drum, wherein the cradle assembly is releasably coupled to the drum at a second planar engagement interface disposed at the second end of the drum.
Mike Netecke, Roy Cabrera
Filed: 25 Aug 20
Utility
Dynamic reservoir characterization
10 Jan 23
A method of operating a reservoir simulator can include performing a time step of a reservoir simulation using a spatial reservoir model that represents a subterranean environment that includes a reservoir to generate simulation results for a first time where the simulation results include a front defined by at least in part by a gradient at a position between portions of the spatial reservoir model; predicting a position of the front for a subsequent time step for a corresponding second time using a trained machine model; discretizing the spatial reservoir model locally at the predicted position of the front to generate a locally discretized version of the spatial reservoir model; and performing a time step of the reservoir simulation using the locally discretized version of the spatial reservoir model to generate simulation results for the second time.
Barys Samson, Aleksandr Bogush
Filed: 19 Dec 19