2001 patents
Page 82 of 101
Utility
Methods and systems for use with a positive displacement motor
20 Jul 21
A method for determining a rotational frequency of a positive displacement motor positioned in a downhole portion of a drill string, the method including: providing at least one measurement device for measuring a property of a part of the drill string; providing a processor for processing a signal output by the at least one measurement device; operating the positive displacement motor whilst the part of the drill string is in a non-driven state; receiving the signal at the processor; determining, using the processor, a frequency spectrum of the signal; and determining the rotational frequency of the positive displacement motor by: identifying a peak in the frequency spectrum in a pre-determined frequency range associated with an expected rotational frequency of the positive displacement motor; and/or identifying a peak in the frequency spectrum having a pre-determined peak width associated with an expected rotational frequency of the positive displacement motor.
Benjamin Peter Jeffryes
Filed: 19 Apr 17
Utility
Mounting electronics and monitoring strain of electronics
20 Jul 21
A system for mounting electronics is disclosed.
Keith Moriarty
Filed: 31 Aug 16
Utility
Method and apparatus for determining fluid flow characteristics
20 Jul 21
A measurement device is configured in a shaped charge package to be utilized in a perforating gun section tool string.
Patrice Ligneul, Bertrand Theuveny, Tullio Moscato, Sebastien Prangere, Olivier Peyret
Filed: 16 May 14
Utility
Wired drill pipe connector and sensor system
20 Jul 21
A downhole tool and a wired drill string assembly including a downhole tool.
Julius Kusuma, Jimmy Varughese
Filed: 3 Nov 16
Utility
Downhole data transmission and surface synchronization
20 Jul 21
A telemetry method transmits data from a downhole location to a surface location.
Nirina David Raveloson, Alex David Close, Nikhil Kotian, William James Robert Thomson, Prince Mathew Samuel
Filed: 18 Jun 18
Utility
System for implementing redundancy in hydraulic circuits and actuating multi-cycle hydraulic tools
20 Jul 21
A system and method for providing redundancy in hydraulic circuits in multi-cycle hydraulic tools is described.
Chao Wang, Julien Bost, Abbigail Ullrich
Filed: 25 May 18
Utility
RF attenuating switch for use with explosives and method of using the same
20 Jul 21
A radio frequency attenuating switch including a switch having a first input for connection to an electrical power supply and first and second output leads for connecting a device such as a detonator.
Kenneth Randall Goodman
Filed: 28 Jun 16
Utility
Cutting Element with Nonplanar Face to Improve Cutting Efficiency and Durability
15 Jul 21
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
System and Method for Electro-hydraulic Actuation of Downhole Tools
15 Jul 21
A technique facilitates wellbore operations and utilization of wellbore equipment, e.g. equipment comprising actuation devices for downhole tools.
Benoit Deville, Srinivas Poluchalla, Virinchi Mallela, Marian Faur, Charley Martinez
Filed: 30 Oct 18
Utility
Methods of Treatment of a Subterranean Formation with Polymeric Structures Formed In Situ
15 Jul 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: 30 Mar 21
Utility
Inflow Control System
15 Jul 21
A technique facilitates the production of well fluid.
Ashutosh Dikshit, Glenn Woiceshyn, Amrendra Kumar
Filed: 14 Feb 20
Utility
Method for Characterizing the Geometry of Elliptical Fractures from Borehole Images
15 Jul 21
Methods may include creating a fracture set from a collection of intersecting fractures in a borehole image log recorded within a subterranean formation; classifying the fracture set into groups of fully and partially intersecting fractures; calculating one or more of the elongation ratio and the rotation angle of the partially intersecting fractures; determining a probability of full intersection of fractures from the fracture set; and determining a fracture size or a parametric distribution of fracture sizes from the fracture set using the calculated one or more of the elongation ratio and the rotation angle and the determined probability of full intersection of formation fractures within the borehole
Marie Emeline Cecile LeFranc, Michael David Prange, Laure Pizzella
Filed: 15 May 18
Utility
Retractable top drive with torque tube
13 Jul 21
A retractable top drive for use with a drilling rig and process for operating a drilling rig.
Joe Rodney Berry, Robert Metz, Melvin Alan Orr
Filed: 1 May 17
Utility
Multi-cable wireline guide systems and methods
13 Jul 21
A well-logging system includes a first downhole tool coupled to a first cable for conveying the first downhole tool along a wellbore.
Nicholas Fundytus, Alejandro Martinez Pereira, Colin Wilson, Richard Parker
Filed: 22 Oct 19
Utility
Rotating choke assembly
13 Jul 21
A rotating choke assembly includes a rotating control device and a flow control device.
Vikas Rakhunde
Filed: 5 Dec 19
Utility
Thread compensator
13 Jul 21
A thread compensator for performing casing running operations.
Joe Rodney Berry
Filed: 5 Jun 20
Utility
Method for estimating a transit time of an element circulating in a borehole
13 Jul 21
The disclosure relates to a method for estimating a transit time of an element circulating in a borehole during the drilling of the borehole.
Sophie Androvandi, Maurice Ringer
Filed: 5 Oct 17
Utility
Permeability determinations from wideband EM models using borehole logging tools
13 Jul 21
A permeability log is generated by running borehole tools in a borehole traversing a formation, including at least electromagnetic (EM) tool providing at least a low-frequency complex conductivity measurement at least one frequency.
Nikita V. Seleznev, Tarek M. Habashy
Filed: 23 May 18
Utility
Perforated Foil Screen Assembly
8 Jul 21
A screen assembly includes a frame having an outer perimeter and at least one inner support member, and at least one smooth surface affixed to the frame, where the smooth surface(s) have perforations.
Eric Cady, Richard Bingham
Filed: 22 Mar 21
Utility
Compositions and Methods for Reducing Fluid Loss In Well Cementing Slurries
8 Jul 21
A well cementing composition comprises an aqueous fluid, portland cement, styrene-butadiene latex and styrene sulfonate-maleic acid copolymer.
Michel MICHAUX, Jean-Philippe CARITEY, Pierre BEAUDY
Filed: 8 Feb 17