1026 patents
Page 46 of 52
Utility
Integrated drilling rig machine
18 May 21
An integrated drilling rig machine is disclosed.
Jean-Christophe Priser, Jacques Orban, Nick Krippner
Filed: 1 May 18
Utility
Method for hydraulic fracturing (variants)
18 May 21
A method of stimulating the inflow of oil and/or gas from the wellbore, in particular, a hydraulic fracturing method, is disclosed.
Chad Kraemer, Fedor Nikolaevich Litvinets, Sergey Vladimirovich Semenov, Mohan Kanaka Raju Panga, Maxim Pavlovich Yutkin, Ksenia Mikhailovna Kaprielova, Sergey Sergeevich Skiba, Bernhard Rudolf Lungwitz, Denis Viktorovich Bannikov
Filed: 2 Nov 15
Utility
Method and apparatus of determining a state of a system
18 May 21
A method of determining a parameter and state of a system from a time series of a system measurement, comprising using a processor to: a) build an approximate model of the system; b) sample a plurality of approximate system parameters for a current time interval from a posterior probability distribution; c) determine an estimate of the system parameter at the current time interval from the distribution of the plurality of approximate system parameters; d) determine an estimate of the system state at the current time interval given the estimate of the system parameter; e) repeat b) to d) for the next time interval.
Michalis Frangos
Filed: 20 Jul 16
Utility
Borehole cross-section steering
11 May 21
Scott Woolston
Filed: 19 Feb 19
Utility
Staged underreamer cutter block
11 May 21
A cutter block includes a formation facing surface having a staged cutting profile and one or more stabilizer pads may be located between reaming portions.
Philip G. Trunk
Filed: 19 Jan 17
Utility
Polycrystalline diamond cutter with high wear resistance and strength
11 May 21
A cutting element has a thermally stable polycrystalline diamond layer formed on an upper side of a polycrystalline diamond layer.
Georgiy Voronin
Filed: 22 Jul 19
Utility
Downhole tool explosive with thermally conductive material
11 May 21
A method can include forming a mixture of an explosive and a thermally conductive material; disposing at least a portion of the mixture in a chamber of a capsule; and at least partially sealing the chamber.
David Skyler
Filed: 17 Dec 18
Utility
Method and system for processing sonic data acquired with a downhole tool
11 May 21
A method for processing sonic data acquired with a downhole sonic tool is provided.
Alain Dumont, Ayaka Abe
Filed: 9 Aug 17
Utility
Shearable deployment bar with ballistic transfer
4 May 21
Apparatus includes a conveyance device and a first shearable deployment bar connected to the conveyance device at a first distal end of the first shearable deployment bar, where the first shearable deployment bar has a deployment bar section and a shearable section.
Rod William Shampine
Filed: 20 Oct 16
Utility
Well integrity analysis using sonic measurements over depth interval
4 May 21
Methods arc provided for using sonic tool data to investigate a multi-string wcllbore.
Maja Skataric, Sandip Bose, Smaine Zeroug, Bikash Kumar Sinha, Ram Sunder Kalyanaraman, Erik Wielemaker
Filed: 2 Mar 17
Utility
Downhole interpretation techniques using borehole dips
4 May 21
Embodiments of the disclosure involve a method comprising a method comprising inputting borehole dip data; determining characteristics of a plurality of dips based on the borehole dip data; applying one or more geological models to the characteristics; and generating one or more geological cross-sections based on geological modeling.
Tetsushi Yamada, Josselin Kherroubi
Filed: 31 Jan 18
Utility
Closed loop control of drilling toolface
4 May 21
A downhole closed loop method for controlling a drilling toolface includes measuring first and second attitudes of the subterranean borehole at corresponding first and second upper and lower survey stations.
Peter Hornblower, Christopher C. Bogath, Adam Bowler, Junichi Sugiura
Filed: 9 Jan 19
Utility
Image based system for drilling operations
4 May 21
A drilling rig site may include at least one tubular configured to be inserted into a wellbore at the drilling rig, at least one imaging device configured to detect a location of an end of the at least one tubular or a feature of the at least one tubular, and a processor receiving an input from the at least one imaging device and configured to calculate a distance between the end of the at least one tubular and another element, a diameter of the at least one tubular, or movement of the at least one tubular.
Shunfeng Zheng, Richard John Meehan, John David Rowatt, Vishwanathan Parmeshwar, Joergen Kringen Johnsen, Sylvain Chambon
Filed: 24 May 17
Utility
Closed loop control of drilling curvature
4 May 21
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: 30 Nov 16
Utility
Pressure exchanger with pressure ratio
4 May 21
Apparatus and methods for pressurizing well operations fluids via a pressure exchanger having a housing with a bore extending between first and second ends of the housing and a rotor rotatably disposed within the bore of the housing.
Rod William Shampine
Filed: 6 Nov 17
Utility
Removal of acquisition effects from marine seismic data
4 May 21
Marine seismic data can be processed to remove or reduce two or more source side acquisition effects jointly when 1) the effects are placed in the same data domain as the received data and 2) the effects are described using the same basis functions which may signify representing the received data and the effects in the same chosen transform domain.
David Fraser Halliday
Filed: 4 May 16
Utility
Methods and systems for calculating and evaluating value of information for reservoir fluid models derived from DFA tool data
27 Apr 21
A method for deriving VOI for a hydrocarbon-bearing reservoir fluid model based on DFA data (“true fluid model”) versus an “incorrect fluid model” includes calculating first, second and third objective functions that are based on NPV(s) of simulated production by a reservoir simulator with different configurations.
William J. Bailey, Benoit Couet, Peter Kaufman, Oliver C. Mullins
Filed: 13 Jan 14
Utility
Degradable grip
27 Apr 21
A method includes pressing a blend of materials; and forming a degradable grip from the pressed blend of materials.
Indranil Roy
Filed: 21 Sep 16
Utility
Flotation performance enhancement
27 Apr 21
Flotation separation apparatus and methods are described herein, comprising a vessel having a plurality of flow guides oriented vertically in the vessel, a liquid inlet at a lower part of the vessel, a gas inlet at the lower part of the vessel, a first liquid outlet at an upper part of the vessel, a second liquid outlet at the lower part of the vessel, and a gas outlet at the upper part of the vessel.
Luis Eduardo Caires-Fernandez, Daniel E. Shannon
Filed: 21 Dec 18
Utility
Rate of penetration drilling operation controller
27 Apr 21
A method can include receiving a maximum depth of cut value of a bit that accounts for bit body formation engagement; receiving a total revolution rate value for the bit that is based at least in part on a differential pressure value of a mud motor; generating a rate of penetration value for the bit as operatively coupled to the mud motor by multiplying the maximum depth of cut value and the total revolution rate value; and operating a rigsite system according to the rate of penetration value for drilling a portion of a borehole using the bit as operatively coupled to the mud motor.
Yuelin Shen, Zhengxin Zhang, Wei Chen
Filed: 26 Sep 19