公开(公告)号：US20230131841A1

公开(公告)日：2023-04-27

申请号：US18048180

申请日：2022-10-20

Applicant: Schlumberger Technology Corporation

Inventor： Annabel Felton ,  Ian Sheppard ,  Edward Richards ,  Paul Linford ,  Alexander Hickson

IPC: F03B13/02

Abstract: A downhole turbine includes a plurality of fins. The plurality of fins have an exit angle that exerts a tangential force on the fin, which imparts a torque on a hub. The fins have an adjustable exit angle that changes in response to changes in the properties of a drilling fluid. The changing exit angle changes the tangential force, which changes the torque on the hub.

公开(公告)号：US20220251938A1

公开(公告)日：2022-08-11

申请号：US17628583

申请日：2020-07-22

Applicant: Schlumberger Technology Corporation

Inventor： Andrew Whitmore ,  Abdiwahid Alasow ,  Edward Richards ,  Darren Lee Aklestad

IPC: E21B44/00 ,  E21B47/0228

Abstract: A method for drilling a subterranean wellbore includes rotating a drill string in the wellbore to drill. The drill string includes a roll-stabilized housing deployed in a drill collar and survey sensors deployed in the roll-stabilized housing. Sensor measurements are acquired while the drill string is rotating. High bandwidth accelerometer measurements may be obtained by combining triaxial accelerometer measurements and gyroscopic sensor measurements. Survey parameters, including a wellbore azimuth, may be computed from the high bandwidth accelerometer measurements. Triaxial magnetometer measurements may be processed to compute an eddy current induced wellbore azimuth error which may be removed from a previously computed wellbore azimuth to obtain a corrected wellbore azimuth.

公开(公告)号：US10431883B2

公开(公告)日：2019-10-01

申请号：US14807843

申请日：2015-07-23

Applicant: Schlumberger Technology Corporation

Inventor： Jianjie Gao ,  Edward Richards

IPC: H01Q1/40 ,  E21B47/12 ,  H01Q7/00 ,  H01Q1/04

Abstract: A technique facilitates communication of signals in a downhole environment. According to an embodiment, the system comprises an antenna which may be combined with a well component for communicating signals along a wellbore. The antenna comprises wire which is coated with a suitable material, such as amorphous polyetheretherketone (PEEK), and wet wound into a coil. A plurality of protective elements may be combined with the wire, e.g. sleeves may be placed over portions of the wire to protect the wire. Layers of tape also may be wrapped around coil to enhance durability of the antenna.

公开(公告)号：US20240384646A1

公开(公告)日：2024-11-21

申请号：US18664475

申请日：2024-05-15

Applicant: Schlumberger Technology Corporation

Inventor： Kjell Haugvaldstad ,  Harry Cook ,  Edward Richards ,  Gokturk Tunc ,  Jonathan Dunlop ,  Jonathan Robert Hird

IPC: E21B47/013

Abstract: An instrument assembly comprises an electronics housing disposed in a body of a downhole tool and an engagement element assembly connected to the electronics housing. The instrument assembly includes an engagement sensor positioned at a base of the engagement element assembly and configured to take measurements corresponding with an engagement of the engagement element assembly with a borehole. The instrument assembly includes an electronics housing seal configured to seal at least a portion of the electronics housing from a downhole pressure.

公开(公告)号：US20240376815A1

公开(公告)日：2024-11-14

申请号：US18657902

申请日：2024-05-08

Applicant: Schlumberger Technology Corporation

Inventor： Makito Katayama ,  Edward Richards

IPC: E21B47/0228 ,  E21B44/00 ,  G01R33/00

Abstract: A method for making axial magnetic field measurements in a downhole tool includes evaluating axial magnetic field measurements to determine a magnetic interference offset and removing the magnetic interference offset to obtain compensated axial magnetic field measurements.

公开(公告)号：US11879334B2

公开(公告)日：2024-01-23

申请号：US17503412

申请日：2021-10-18

Applicant: Schlumberger Technology Corporation

Inventor： Edward Richards ,  Riadh Boualleg ,  Michael George Azar ,  Geoffrey Charles Downton ,  Denis Li ,  Richard D. Hill

IPC: E21B7/06 ,  E21B17/10

CPC classification number: E21B7/06 ,  E21B17/1078

Abstract: A rotary steerable tool may include a tool body with an upper end and a lower end. Additionally, the tool body may include at least one steering assembly extending from the tool body and includes at least one steering actuator configured to extend beyond other portions of the steering assembly. Furthermore, at least one cutter may be disposed on the rotary steerable tool a distance from the at least one steering actuator.

公开(公告)号：US10358913B2

公开(公告)日：2019-07-23

申请号：US14975662

申请日：2015-12-18

Applicant: Schlumberger Technology Corporation

Inventor： Edward Richards

IPC: E21B4/02 ,  E21B47/12

Abstract: A progressive cavity positive displacement motor having a rotor and stator includes a measurements-while-drilling (“MWD”) tool disposed within the rotor. The motor may use one or more alignment members to measure the position of the rotor relative to the stator. The MWD tool can collect data regarding physical properties such as orientation, temperature, pressure, and other properties. The MWD tool incorporated in the rotor is configured to measure differential properties near or at the uphole and downhole ends of the motor.

公开(公告)号：US12234722B2

公开(公告)日：2025-02-25

申请号：US17996239

申请日：2021-04-15

Applicant: Schlumberger Technology Corporation

Inventor： Steven Hough ,  Edward Richards

IPC: E21B47/13 ,  E21B17/02 ,  E21B7/04

Abstract: A downhole communication system includes a gap sub located at an RSS. The gap sub is located on the outer, independently rotating member of the RSS. This allows the RSS to receive electromagnetic downlink communication signals from the surface or from an MWD. The RSS transmits electromagnetic uplink signals to a second gap sub located above the RSS or to the surface.

公开(公告)号：US20240337182A1

公开(公告)日：2024-10-10

申请号：US18296588

申请日：2023-04-06

Applicant: Schlumberger Technology Corporation

Inventor： Makito Katayama ,  Edward Richards ,  Andrew Whitmore

IPC: E21B47/024 ,  E21B7/04 ,  E21B44/00 ,  G01P15/18

CPC classification number: E21B47/024 ,  E21B7/04 ,  E21B44/00 ,  G01P15/18

Abstract: A method for drilling a subterranean wellbore includes rotating a bottom hole assembly (BHA) in the subterranean wellbore to drill, in which the BHA includes a drill collar, a drill bit, a roll-stabilized housing deployed in the drill collar and configured to rotate with respect to the drill collar, and triaxial accelerometer and triaxial magnetometer sets deployed in the roll-stabilized housing. Triaxial accelerometer and triaxial magnetometer measurements and a drill collar rotation rate measurement are made while the BHA rotates. A wellbore inclination and a gravity tool face of the roll-stabilized housing are computed from the triaxial accelerometer measurements. The computed inclination and gravity toolface, the triaxial magnetometer measurements, and the measured rotation rate of the drill collar are processed to compute an azimuth of the subterranean wellbore in which influences of eddy currents and magnetometer biases are accounted.

公开(公告)号：US11971004B2

公开(公告)日：2024-04-30

申请号：US18048180

申请日：2022-10-20

Applicant: Schlumberger Technology Corporation

Inventor： Annabel Felton ,  Ian Sheppard ,  Edward Richards ,  Paul Linford ,  Alexander Hickson

IPC: F03B13/02 ,  E21B4/02 ,  E21B41/00

CPC classification number: F03B13/02 ,  E21B4/02 ,  E21B41/0085 ,  F05B2240/311 ,  F05B2270/1032 ,  F05B2280/5001

Abstract: A downhole turbine includes a plurality of fins. The plurality of fins have an exit angle that exerts a tangential force on the fin, which imparts a torque on a hub. The fins have an adjustable exit angle that changes in response to changes in the properties of a drilling fluid. The changing exit angle changes the tangential force, which changes the torque on the hub.