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Stabilisers or centralisers for casing, tubing or drill pipes
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CPC
E21B17/1078
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B17/00
Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings
Current Industry
E21B17/1078
Stabilisers or centralisers for casing, tubing or drill pipes
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Patents Grants
last 30 patents
Information
Patent Grant
Viscous dampening component for use with earth-boring rotary drill...
Patent number
12,352,116
Issue date
Jul 8, 2025
Baker Hughes Oilfield LLC
John Morin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Direct drive connector sleeve
Patent number
12,338,693
Issue date
Jun 24, 2025
Osman Yusuf
E21 - EARTH DRILLING MINING
Information
Patent Grant
Spacer segment and a spacer
Patent number
12,320,209
Issue date
Jun 3, 2025
KWIK-ZIP PTY LTD
Jason Linaker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reducing vibration of an electric submersible pump
Patent number
12,320,210
Issue date
Jun 3, 2025
Saudi Arabian Oil Company
Marcelo Ramos Flores
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centraliser
Patent number
12,312,878
Issue date
May 27, 2025
VULCAN COMPLETION PRODUCTS UK LIMITED
Ian Kirk
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centraliser
Patent number
12,312,877
Issue date
May 27, 2025
VULCAN COMPLETION PRODUCTS UK LIMITED
Ian Kirk
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole device employing a radial and axial retention mechanism
Patent number
12,305,451
Issue date
May 20, 2025
Halliburton Energy Services, Inc.
Gordon McLeary
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centralizer having internal stop collar
Patent number
12,305,452
Issue date
May 20, 2025
DOWNHOLE PRODUCTS LIMITED
Darko Arsoski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Plug assembly with sloped walls
Patent number
12,305,471
Issue date
May 20, 2025
TCO AS
Tommy Eriksen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Short-radius trajectory-controllable drilling tool and combined typ...
Patent number
12,305,512
Issue date
May 20, 2025
Zichen Xu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centralizer for downhole probes
Patent number
12,297,735
Issue date
May 13, 2025
BAKER HUGHES CANADA COMPANY
Aaron W. Logan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Work string tubing connection restoration
Patent number
12,296,412
Issue date
May 13, 2025
Postle Industries, Inc.
Robert F. Miller
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Slimline stop collar with seal to prevent micro-annulus leakage
Patent number
12,286,845
Issue date
Apr 29, 2025
DOWNHOLE PRODUCTS LIMITED
Douglas Farley
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method of using a thermoplastic casing in a wellbore
Patent number
12,286,875
Issue date
Apr 29, 2025
Ur-Energy USA Inc.
Steven M. Hatten
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wireline saver tool
Patent number
12,270,261
Issue date
Apr 8, 2025
Ferro Supply LLC
Bryan Samuel Fitzhugh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for making azimuthal resistivity measurements
Patent number
12,241,358
Issue date
Mar 4, 2025
Well Resolutions Technology
Tsili Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Universal bottomhole assembly node (UBHAN)
Patent number
12,228,027
Issue date
Feb 18, 2025
Well Resolutions Technology
Borislav J. Tchakarov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Downhole traction tool and method of use
Patent number
12,227,997
Issue date
Feb 18, 2025
INNOVATIVE DRILLING SYSTEMS LTD
Jean Boulet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Azimuthal measurement for geosteering
Patent number
12,153,185
Issue date
Nov 26, 2024
SANVEAN TECHNOLOGIES LLC
Junichi Sugiura
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for active centralization of downhole well tools
Patent number
12,146,372
Issue date
Nov 19, 2024
Schlumberger Technology Corporation
Mark Hofacker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling stabilizers with dissolvable windows for controlled releas...
Patent number
12,146,381
Issue date
Nov 19, 2024
Saudi Arabian Oil Company
Jothibasu Ramasamy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill pipe torque reducer and method
Patent number
12,129,717
Issue date
Oct 29, 2024
Frank's International, LLC
Logan Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method to form centralizer blades on wellbore tubular
Patent number
12,129,718
Issue date
Oct 29, 2024
Weatherford Technology Holdings, LLC
Micheal Bock
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
In-pipe passive centering mechanism with radial probe or tool deplo...
Patent number
12,116,849
Issue date
Oct 15, 2024
Saudi Arabian Oil Company
Abdoulelah Al-Hannabi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for centering a sensor assembly in a bore
Patent number
12,116,850
Issue date
Oct 15, 2024
PETROMAC IP LIMITED
Stephen Peter McCormick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shoulder protected drilling assembly
Patent number
12,098,599
Issue date
Sep 24, 2024
Sandvik Mining and Construction Tools AB
John Hammargren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole joint rotator
Patent number
12,060,776
Issue date
Aug 13, 2024
ConocoPhillips Company
Christopher A. Pearce
E21 - EARTH DRILLING MINING
Information
Patent Grant
Liner/casing buoyancy arrangement, method and system
Patent number
12,055,000
Issue date
Aug 6, 2024
Baker Hughes Oilfield Operations LLC
YingQing Xu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular screens for sand control
Patent number
12,037,879
Issue date
Jul 16, 2024
Schlumberger Technology Corporation
Ashutosh Dikshit
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conductor assembly and methods
Patent number
12,024,957
Issue date
Jul 2, 2024
Mako Offshore Ltd.
Michael Killeen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
VISCOUS DAMPENING COMPONENT FOR USE WITH EARTH-BORING ROTARY DRILL...
Publication number
20250198242
Publication date
Jun 19, 2025
Baker Hughes Oilfield Operations LLC
John Morin
E21 - EARTH DRILLING MINING
Information
Patent Application
CUSTOMIZED CENTRALIZING HOUSING FOR DOWNHOLE TOOL
Publication number
20250179882
Publication date
Jun 5, 2025
Halliburton Energy Services, Inc.
Lizheng Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
System, Method, and Apparatus for Centralizing a Downhole Casing an...
Publication number
20250172047
Publication date
May 29, 2025
Jarod Colson
E21 - EARTH DRILLING MINING
Information
Patent Application
SPRING-BASED SUPPORT DEVICE FOR ANCHORING AND/OR CENTRALIZING A BOL...
Publication number
20250146367
Publication date
May 8, 2025
S3 GROUP LTD.
Robert Reeves
E21 - EARTH DRILLING MINING
Information
Patent Application
Mandrel with integrated centralizer
Publication number
20250137332
Publication date
May 1, 2025
Peak Completion Technologies, Inc.
John Thomas
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS AND SYSTEMS FOR UTILIZING A CENTRALIZER FOR REFRACTURING OP...
Publication number
20250129677
Publication date
Apr 24, 2025
Vertice Oil Tools
Mohamed Saraya
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRALIZER HAVING INTERNAL STOP COLLAR
Publication number
20250109640
Publication date
Apr 3, 2025
DOWNHOLE PRODUCTS LIMITED
Darko Arsoski
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING APPARATUS AND RELATED METHODS
Publication number
20250109641
Publication date
Apr 3, 2025
Helmerich & Payne Technologies, LLC
Angus Lamberton Jamieson
E21 - EARTH DRILLING MINING
Information
Patent Application
CASING STRING ROTATION SYSTEMS AND METHODS
Publication number
20250101828
Publication date
Mar 27, 2025
CACTUS WELLHEAD, LLC
Jacob Charles Emmett
E21 - EARTH DRILLING MINING
Information
Patent Application
SLIMLINE STOP COLLAR WITH SEAL TO PREVENT MICRO-ANNULUS LEAKAGE
Publication number
20250092743
Publication date
Mar 20, 2025
DOWNHOLE PRODUCTS LIMITED
Douglas Farley
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF-CONTAINED COMPACT ROTARY STEERABLE SYSTEM
Publication number
20250084704
Publication date
Mar 13, 2025
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Application
LEAD-FREE METALLIC BARRIER COATINGS FOR COPPER AND ZINC-RICH SURFAC...
Publication number
20250059649
Publication date
Feb 20, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Manuel Marya
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DUAL TUBING LOCATING ADAPTOR FOR A TUBING STRING
Publication number
20250034958
Publication date
Jan 30, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Kjell Revheim
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-FUNCTIONAL WELLBORE CONDITIONING SYSTEM
Publication number
20250020026
Publication date
Jan 16, 2025
EUROPEAN DRILLING PROJECTS B.V.
Tony FITZGERALD
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD
Publication number
20240384625
Publication date
Nov 21, 2024
Odfjell Well Services Norway AS
Simon Leiper
E21 - EARTH DRILLING MINING
Information
Patent Application
Continuous Contact Radially Phased Centralizer
Publication number
20240384609
Publication date
Nov 21, 2024
Halliburton Energy Services, Inc.
Bruce A. Moore
E21 - EARTH DRILLING MINING
Information
Patent Application
REDUCING VIBRATION OF AN ELECTRIC SUBMERSIBLE PUMP
Publication number
20240344408
Publication date
Oct 17, 2024
Saudi Arabian Oil Company
Marcelo Ramos Flores
E21 - EARTH DRILLING MINING
Information
Patent Application
INSULATED DRILLING SYSTEMS AND ASSOCIATED METHODS
Publication number
20240240530
Publication date
Jul 18, 2024
National-Oilwell Varco, L.P.
Tony Pink
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRALIZER FOR DOWNHOLE PROBES
Publication number
20240229573
Publication date
Jul 11, 2024
BAKER HUGHES CANADA COMPANY
Aaron W. LOGAN
E21 - EARTH DRILLING MINING
Information
Patent Application
ALIGNABLE GUIDANCE DEVICE FOR CASING ENTRY MILLING OPERATIONS
Publication number
20240209697
Publication date
Jun 27, 2024
SCIENTIFIC DRILLING INTERNATIONAL, INC.
Carsten FREYER
E21 - EARTH DRILLING MINING
Information
Patent Application
Centraliser
Publication number
20240167346
Publication date
May 23, 2024
Vulcan Completion Products UK Limited
Ian KIRK
E21 - EARTH DRILLING MINING
Information
Patent Application
Diffuser and Filter Assemblies With Magnetic Features
Publication number
20240159119
Publication date
May 16, 2024
Downhole Rental Tools, LLC
Cambre Allen Romero
E21 - EARTH DRILLING MINING
Information
Patent Application
STEERING DEVICE AUGMENTATION, METHOD AND SYSTEM
Publication number
20240159109
Publication date
May 16, 2024
Baker Hughes Oilfield Operations LLC
Volker Peters
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill Rods Having Stabilizers, And Systems And Methods Comprising Same
Publication number
20240141736
Publication date
May 2, 2024
LONGYEAR TM, INC.
Christopher L. Drenth
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRALIZER FOR DOWNHOLE PROBES
Publication number
20240133249
Publication date
Apr 25, 2024
BAKER HUGHES CANADA COMPANY
Aaron W. LOGAN
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL WITH RADIAL SHOCK ABSORBER AND STABILIZER
Publication number
20240125185
Publication date
Apr 18, 2024
General Downhole Tools, Ltd.
Michael Harvey
E21 - EARTH DRILLING MINING
Information
Patent Application
ROBOTIC UNTETHERED SIDEWALL CORING TOOLS
Publication number
20240117735
Publication date
Apr 11, 2024
Saudi Arabian Oil Company
Laurie S. DUTHIE
E21 - EARTH DRILLING MINING
Information
Patent Application
SHOULDER PROTECTED DRILLING ASSEMBLY
Publication number
20240117687
Publication date
Apr 11, 2024
SANDVIK MINING AND CONSTRUCTION TOOLS AB
John HAMMARGREN
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING STABILIZERS WITH DISSOLVABLE WINDOWS FOR CONTROLLED RELEAS...
Publication number
20240060388
Publication date
Feb 22, 2024
Saudi Arabian Oil Company
Jothibasu RAMASAMY
E21 - EARTH DRILLING MINING
Information
Patent Application
ECCENTRIC CENTRALIZER
Publication number
20240035343
Publication date
Feb 1, 2024
Halliburton Energy Services, Inc.
Lizheng Zhang
E21 - EARTH DRILLING MINING