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Telescoping joints for varying drill string lengths Shock absorbers
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E21B17/07
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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
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E21B17/07
Telescoping joints for varying drill string lengths Shock absorbers
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Patents Grants
last 30 patents
Information
Patent Grant
Oscillation reduction tool and method
Patent number
12,173,566
Issue date
Dec 24, 2024
Rival Downhole Tools LC
Gunther H H von Gynz-Rekowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Internal peeping detection-while-drilling system and method for dee...
Patent number
12,173,599
Issue date
Dec 24, 2024
China University of Geosciences (Wuhan)
Yuyong Jiao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill string circulation apparatus
Patent number
12,158,051
Issue date
Dec 3, 2024
David Jon Tilley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Suppressing vibration during wellbore drilling
Patent number
12,152,446
Issue date
Nov 26, 2024
Saudi Arabian Oil Company
Dwight W. Swett
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Grant
Method and apparatus for damping/absorbing rotational vibrations/os...
Patent number
12,139,973
Issue date
Nov 12, 2024
Scientific Drilling International, Inc.
Mario Simanowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Petroleum drill-string shock absorbers
Patent number
12,139,974
Issue date
Nov 12, 2024
University of Science and Technology Beijing
Haiping Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit assembly for fluid-operated percussion drill tools
Patent number
12,123,260
Issue date
Oct 22, 2024
MINCON INTERNATIONAL LIMITED
Joseph Purcell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shock-based damping systems and mechanisms for vibration damping in...
Patent number
12,091,921
Issue date
Sep 17, 2024
Baker Hughes Oilfield Operations LLC
Vincent Kulke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dampers for mitigation of downhole tool vibrations and vibration is...
Patent number
12,084,924
Issue date
Sep 10, 2024
Baker Hughes, a GE company, LLC
Volker Peters
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole apparatus and method for operations involving delivery and...
Patent number
12,060,762
Issue date
Aug 13, 2024
DELTATEK OIL TOOLS LIMITED
Stephen Edmund Bruce
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotatable mandrel hanger
Patent number
12,054,997
Issue date
Aug 6, 2024
VAULT PRESSURE CONTROL, LLC
Jason Meyer Armistead
E21 - EARTH DRILLING MINING
Information
Patent Grant
Travel joint with telescoping control lines
Patent number
12,044,079
Issue date
Jul 23, 2024
Halliburton Energy Services, Inc.
Jorge Arturo Hinostroza Medina
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stick slip tool
Patent number
12,031,389
Issue date
Jul 9, 2024
Downhole Well Solutions, LLC
Avinash Hariprasad Cuddapah
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shock and vibration reduction in downhole tools
Patent number
12,000,217
Issue date
Jun 4, 2024
Schlumberger Technology Corporation
Joachim Sihler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole assembly to mitigate high frequency torsional oscillation,...
Patent number
11,993,985
Issue date
May 28, 2024
ROCKATEK LIMITED
Daniel Brendan Crowley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shrouded screw device for removing and depositing material
Patent number
11,982,130
Issue date
May 14, 2024
Honeywell Federal Manufacturing & Technologies, LLC
Evan A. Kontras
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for segmented simultaneous water injection and oil recovery...
Patent number
11,982,166
Issue date
May 14, 2024
Nanniwan Oil Production Plant, Yanchang Oilfield Co., Ltd.
Pingtian Fan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubular drive assembly
Patent number
11,970,912
Issue date
Apr 30, 2024
Shachar Magali
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tri-axial shock absorber sub
Patent number
11,965,383
Issue date
Apr 23, 2024
Stabil Drill Specialties, L.L.C.
Sorin Gabriel Teodorescu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Kelly bar arrangement for a drilling apparatus and method for worki...
Patent number
11,939,821
Issue date
Mar 26, 2024
Bauer Maschinen GmbH
Sebastian Bauer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill rod and method for retrofitting a Kelly bar arrangement
Patent number
11,927,059
Issue date
Mar 12, 2024
Bauer Maschinen GmbH
Tobias Siegmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling and milling tool
Patent number
11,913,284
Issue date
Feb 27, 2024
Altus Intervention (Technologies) AS
Martin Spinnangr
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for damping/absorbing rotational vibrations/os...
Patent number
11,905,820
Issue date
Feb 20, 2024
Scientific Drilling International, Inc.
Marco Volgmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
System, method and apparatus for downhole torque-transferring ball...
Patent number
11,873,686
Issue date
Jan 16, 2024
General Downhole Tools, Ltd.
Michael Harvey
E21 - EARTH DRILLING MINING
Information
Patent Grant
PDM transmission with sliding contact between convex shaft pins and...
Patent number
11,815,139
Issue date
Nov 14, 2023
Abaco Drilling Technologies LLC
Jing Lu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Methods for increasing the amplitude of reciprocal extensions and c...
Patent number
11,814,959
Issue date
Nov 14, 2023
National-Oilwell Varco, L.P.
Sean Matthew Donald
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual rod directional drilling system
Patent number
11,808,151
Issue date
Nov 7, 2023
Vermeer Manufacturing Company
Michael D. Langenfeld
E21 - EARTH DRILLING MINING
Information
Patent Grant
Torque transfer and control apparatus for a drilling tool
Patent number
11,795,768
Issue date
Oct 24, 2023
Reflex Instruments Asia Pacific Pty Ltd
Andrew Beach
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for transferring rotational oscillations and t...
Patent number
11,773,659
Issue date
Oct 3, 2023
Scientific Drilling International, Inc.
Marco Volgmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic downhole tool decelerator
Patent number
11,767,718
Issue date
Sep 26, 2023
Schlumberger Technology Corporation
Julien Toniolo
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Self Centralizing, Seek and Shifting Apparatus with Suspension System
Publication number
20240426180
Publication date
Dec 26, 2024
Halliburton Energy Services, Inc.
Chong Yong Koh
E21 - EARTH DRILLING MINING
Information
Patent Application
COMPLETION LOCATOR ASSEMBLY
Publication number
20240410241
Publication date
Dec 12, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Dinesh PATEL
E21 - EARTH DRILLING MINING
Information
Patent Application
Swivel Sub With Biasing Member
Publication number
20240401420
Publication date
Dec 5, 2024
Halliburton Energy Services, Inc.
Nick Strohla
E21 - EARTH DRILLING MINING
Information
Patent Application
SUPPRESSING VIBRATION DURING WELLBORE DRILLING
Publication number
20240384606
Publication date
Nov 21, 2024
Saudi Arabian Oil Company
Dwight W. Swett
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
DOWNHOLE APPARATUS AND METHOD FOR OPERATIONS INVOLVING DELIVERY AND...
Publication number
20240376796
Publication date
Nov 14, 2024
Deltatek Oil Tools Limited
Stephen Edmund Bruce
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE COMPONENT HAVING A VARIABLE BENDING STIFFNESS
Publication number
20240352808
Publication date
Oct 24, 2024
Baker Hughes Oilfield Operations LLC
Volker Peters
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS AND APPARATUS FOR DAMPENING FORCES ACTING UPON THE DRILL ST...
Publication number
20240344404
Publication date
Oct 17, 2024
David Jekielek
E21 - EARTH DRILLING MINING
Information
Patent Application
Tri-Axial Shock Absorber Sub
Publication number
20240344406
Publication date
Oct 17, 2024
Stabil Drill Specialties, L.L.C.
Sorin Gabriel Teodorescu
E21 - EARTH DRILLING MINING
Information
Patent Application
OFFSHORE DRILLING APPARATUS AND METHODS
Publication number
20240344407
Publication date
Oct 17, 2024
DeltaTek Oil Tools Limited
Tristam Paul Horn
E21 - EARTH DRILLING MINING
Information
Patent Application
Travel Joint With Telescoping Control Lines
Publication number
20240344405
Publication date
Oct 17, 2024
Halliburton Energy Services, Inc.
Jorge Arturo Hinostroza Medina
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH FREQUENCY TORSIONAL OSCILLATION MITIGATION TOOL
Publication number
20240309712
Publication date
Sep 19, 2024
ROCKATEK LIMITED
Daniel Brendan CROWLEY
E21 - EARTH DRILLING MINING
Information
Patent Application
SHOCK ABSORBING TOOL AND METHODS OF USE
Publication number
20240263528
Publication date
Aug 8, 2024
VANGAARD DOWNHOLE INC.
Jeff D. SCHRYVER
E21 - EARTH DRILLING MINING
Information
Patent Application
VIBRATION MITIGATION TOOL
Publication number
20240263527
Publication date
Aug 8, 2024
National-Oilwell Varco, L.P.
Souhail Bouaziz
E21 - EARTH DRILLING MINING
Information
Patent Application
Travel Joint With Telescoping Control Lines
Publication number
20240218748
Publication date
Jul 4, 2024
Halliburton Energy Services, Inc.
Jorge Arturo Hinostroza Medina
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTRACTION JOINT FOR INTELLIGENT COMPLETION AND DOWNHOLE COMPLETIO...
Publication number
20240183229
Publication date
Jun 6, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Weichen Lai
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...
Publication number
20240141734
Publication date
May 2, 2024
General Downhole Tools, Ltd.
Michael Harvey
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING DOWNHOLE REGULATING DEVICES AND RELATED METHODS
Publication number
20240102347
Publication date
Mar 28, 2024
DRILL SAFE SYSTEMS INC.
David Dyck
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE ASSEMBLY TO MITIGATE HIGH FREQUENCY TORSIONAL OSCILLATION,...
Publication number
20240084651
Publication date
Mar 14, 2024
ROCKATEK LIMITED
Daniel Brendan CROWLEY
E21 - EARTH DRILLING MINING
Information
Patent Application
PRODUCTION INLET ASSEMBLIES FOR A SUBTERRANEAN WELLBORE
Publication number
20240052733
Publication date
Feb 15, 2024
EOG RESOURCES, INC.
Nathan Rodriguez
E21 - EARTH DRILLING MINING
Information
Patent Application
Shock Resistant Perforating Tool for Multizone Completions
Publication number
20240003231
Publication date
Jan 4, 2024
Owen Oil Tools LP
Jeffrey Gartz
E21 - EARTH DRILLING MINING
Information
Patent Application
FLEXIBLE COUPLER FOR REDUCING TORSIONAL OSCILLATIONS
Publication number
20230407712
Publication date
Dec 21, 2023
Baker Hughes Oilfield Operations LLC
Hanno Reckmann
E21 - EARTH DRILLING MINING
Information
Patent Application
COMPLETIONS FOR WELL ZONE CONTROL
Publication number
20230383610
Publication date
Nov 30, 2023
XDI Holdings, LLC
James Charles Juranitch
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM FOR SEGMENTED SIMULTANEOUS WATER INJECTION AND OIL RECOVERY...
Publication number
20230366302
Publication date
Nov 16, 2023
Nanniwan Oil Production Plant, Yanchang Oilfield Co., Ltd.
Pingtian FAN
E21 - EARTH DRILLING MINING
Information
Patent Application
SHOCK AND VIBRATION REDUCTION IN DOWNHOLE TOOLS
Publication number
20230332473
Publication date
Oct 19, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Joachim Sihler
E21 - EARTH DRILLING MINING
Information
Patent Application
GAUGE CARRIER PROTECTIVE HOUSING
Publication number
20230313671
Publication date
Oct 5, 2023
Saudi Arabian Oil Company
Mutrik M. AL-DAWSARI
E21 - EARTH DRILLING MINING
Information
Patent Application
PETROLEUM DRILL-STRING SHOCK ABSORBERS
Publication number
20230304361
Publication date
Sep 28, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Haiping LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...
Publication number
20230295991
Publication date
Sep 21, 2023
General Downhole Tools, Ltd.
Michael Harvey
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE RATCHET MECHANISM AND METHOD
Publication number
20230184083
Publication date
Jun 15, 2023
KENNETH L NASH
E21 - EARTH DRILLING MINING
Information
Patent Application
WORKING MACHINE AND METHOD FOR WORKING THE GROUND
Publication number
20230175327
Publication date
Jun 8, 2023
Bauer Maschinen GmbH
Andreas SCHOBER
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
VIBRATION ABSORBER APPARATUS AND METHODS OF USE
Publication number
20230160267
Publication date
May 25, 2023
PHOENIX TECHNOLOGY SERVICES INC.
Farjad FALAHATI
E21 - EARTH DRILLING MINING