1026 patents
Page 47 of 52
Utility
Progressive cavity motor dampening system
27 Apr 21
A rotor and/or stator dampening system includes a stator and/or rotor with a liner selected of one or more materials to achieve a desired dampening effect.
Maxim Pushkarev, Shun'etsu Onodera, Samba Ba, Pierre Lauric Dubesset, Peter T. Cariveau
Filed: 18 Dec 15
Utility
System and method for shock mitigation
13 Apr 21
A technique facilitates mitigation of shock loads.
Christian C. Spring, Allan Goldberg, Sheryl Raezer, Christophe Rayssiguier
Filed: 1 Apr 19
Utility
Pressure exchanger low pressure flow control
13 Apr 21
Apparatus and methods for pressurizing well operations fluids.
Rod William Shampine
Filed: 6 Nov 17
Utility
System and method for mitigating a mud motor stall
13 Apr 21
A system and method for operating a mud motor in a wellbore.
Benjamin Peter Jeffryes, Samba Ba
Filed: 28 Apr 16
Utility
Estimating contamination during focused sampling
13 Apr 21
Disclosed are methods and apparatus pertaining to processing in-situ, real-time data associated with fluid obtained by a downhole sampling tool.
Ryan Sangjun Lee, Adriaan Gisolf, Youxiang Zuo
Filed: 7 Nov 19
Utility
Sensor array noise reduction
13 Apr 21
Sensor array noise reduction is provided.
Arnaud Jarrot, Julius Kusuma
Filed: 12 Jun 17
Utility
Determining an elastic model for a geologic region
13 Apr 21
A technique includes determining at least one impulse response of a modeling and migration of at least one point scatterer in a target structure and based at least in part on the impulse response(s) and a reflection amplitude image, determining a model for at least part of the target structure.
Stewart Archer, Robin Fletcher, Weijian Mao, David Nichols
Filed: 20 Aug 12
Utility
Devices and systems for reducing cyclical torque on directional drilling actuators
6 Apr 21
An actuator for use in a directional steering assembly includes an ultrahard insert positioned on a working face.
Kjell Haugvaldstad, Neil Cannon
Filed: 27 Jun 17
Utility
Crosslinked synthetic polymer-based reservoir drilling fluid
6 Apr 21
A wellbore fluid includes a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the fluid loss control agent has an extent of crosslinking that is selected so that the fluid loss control agent has a viscosity that is within a peak viscosity response of the viscosity response curve.
Balakrishnan Panamarathupalayam
Filed: 6 Jan 17
Utility
System and method for providing oscillation downhole
6 Apr 21
A technique employs the use of oscillations downhole to facilitate a desired functionality of a downhole tool.
Edward Harrigan, Jahir Pabon, Satish Kumar, Sashank Vasireddy, Murat Ocalan, Shunfeng Zheng
Filed: 12 Oct 16
Utility
Systems for sealing pressure control equipment
6 Apr 21
An actuation assembly to actuate a component of a mineral extraction system, where the actuation assembly includes an actuator configured to generate a force in a direction, a lever assembly coupled to the actuator, where the lever assembly is configured to rotate about a fulcrum in response to application of the force, and a piston coupled to the lever assembly, where the piston is configured to move in the direction in response to rotation of the lever assembly about the fulcrum.
Ian McDaniel, Jesse Garcia
Filed: 8 Jan 19
Utility
Wear rings for electric submersible pump stages
6 Apr 21
Wear rings for electric submersible pump (ESP) stages are provided.
Arthur I. Watson, David Milton Eslinger
Filed: 10 Sep 14
Utility
System and method for monitoring a blowout preventer
6 Apr 21
A monitoring system includes a processor configured to receive sensor data from one or more sensors positioned about a mineral extraction system, input the sensor data into a model to generate a health index predictive of a future condition of a component of a blowout preventer (BOP) stack assembly of the mineral extraction system, and to provide an output indicative of the future condition of the component of the BOP stack assembly.
Anshul Gupta, Wenyu Zhao, Gilbert Haddad
Filed: 21 Nov 16
Utility
Image-based wellsite equipment health monitoring
6 Apr 21
Methods and apparatus are presented herein for detecting an oilfield equipment unit of an oilfield wellsite from a visible image, overlaying the detected oilfield equipment unit of the visible image on a corresponding portion of a thermal image, and generating an alert when a temperature indicated by the corresponding portion of the thermal image is outside of an operational temperature range of the detected oilfield equipment unit.
Rajesh Luharuka, Ashok Veeraraghavan
Filed: 6 Jun 16
Utility
Pressure exchanger pressure oscillation source
30 Mar 21
Apparatus and methods for utilizing pressure exchangers as a source of pressure oscillations.
Rod William Shampine
Filed: 6 Nov 17
Utility
Methods of treatment of a subterranean formation with polymeric structures formed in situ
30 Mar 21
Methods of treating a subterranean formation are disclosed that include placing a treatment fluid into a subterranean formation, the treatment fluid containing a one or more polymers capable of consolidating to form a polymeric structure at a downhole location.
Jazmin Godoy-Vargas, Sergey Makarychev-Mikhailov, Brent Busby, Philip Sullivan, Patrice Abivin, Marie Cambournac
Filed: 23 Jul 14
Utility
Downhole equipment transport control
30 Mar 21
A method can include receiving information associated with a conveyance of equipment in a borehole via a cable.
David Schlosser
Filed: 1 Aug 17
Utility
Electrochemical hydrogen sensor
30 Mar 21
A sensor for hydrogen in a fluid medium has a chamber for electrolyte with a window which is selectively permeable to hydrogen to allow hydrogen to pass from the fluid medium under test into the electrolyte in the chamber.
Debbie S. Silvester, Nathan Scott Lawrence, Richard Compton, Timothy Jones, Li Jiang, Hanpu Liang
Filed: 15 Oct 13
Utility
Data-driven clock drift adjustment
30 Mar 21
A method can include receiving seismic data acquired by a sensor unit responsive to emission of seismic energy in a frequency sweep of a duration having a duration time; correlating the seismic data and individual portions of the frequency sweep that correspond to individual time windows to generate individual sets of correlated seismic data; for a common event, identifying a corresponding event time in each of the individual sets of correlated seismic data; and determining a clock drift time based at least in part on the event times.
Kambiz Iranpour
Filed: 12 Dec 16
Utility
Downhole electromagnetic sensing techniques
30 Mar 21
An electromagnetic (EM) telemetry system includes an EM transmitter configured to transmit EM signals downhole and multiple sensors each configured to communicate with the EM transmitter and with another of the multiple sensors.
Erwann Lemenager, Mathias Contant
Filed: 2 Mar 20