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Flexible or expansible centering means
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CPC
E21B17/1014
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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
E21B17/1014
Flexible or expansible centering means
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Patents Grants
last 30 patents
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
Hydrostatically-actuatable systems and related methods
Patent number
12,139,975
Issue date
Nov 12, 2024
D-TECH UK LTD
Christian Menger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Selective electrode usage for directional pulse power drilling
Patent number
12,123,284
Issue date
Oct 22, 2024
Halliburton Energy Services, Inc.
Michael D. Finke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Devices, systems, and methods for expandable block sets
Patent number
12,116,845
Issue date
Oct 15, 2024
Schlumberger Technology Corporation
Philip Trunk
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packer arrangement for sealingly guiding a drillstring therethrough
Patent number
12,110,757
Issue date
Oct 8, 2024
Electrical Subsea & Drilling AS
Egil Eriksen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Selective electrode usage for directional pulse power drilling from...
Patent number
12,104,466
Issue date
Oct 1, 2024
Halliburton Energy Services, Inc.
Michael D. Finke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling systems
Patent number
12,078,064
Issue date
Sep 3, 2024
Schlumberger Technology Corporation
Jeremy Cochain
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable drilling tool and method with independently actuat...
Patent number
12,060,792
Issue date
Aug 13, 2024
Halliburton Energy Services, Inc.
James Wilson Moore
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 apparatus for reducing rotational and linear friction betw...
Patent number
11,982,135
Issue date
May 14, 2024
PARADIGM DRILLING SERVICES LTD.
Neil Andrew Abercrombie Simpson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steering pad apparatus and related methods
Patent number
11,927,095
Issue date
Mar 12, 2024
Halliburton Energy Services, Inc.
Everett Philip Hagar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole collar utilizing fusible anchor elements
Patent number
11,834,917
Issue date
Dec 5, 2023
Weatherford Technology Holdings, LLC
David W. Teale
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole movable joint tool
Patent number
11,834,915
Issue date
Dec 5, 2023
Impact Selector International, LLC
James Patrick Massey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool with tapered actuators
Patent number
11,814,958
Issue date
Nov 14, 2023
Schlumberger Technology Corporation
Kjell Haugvaldstad
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation tester tool
Patent number
11,814,908
Issue date
Nov 14, 2023
Halliburton Energy Services, Inc.
Ping Sui
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for active centralization of downhole well tools
Patent number
11,773,660
Issue date
Oct 3, 2023
Schlumberger Technology Corporation
Mark Hofacker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical method for mapping a borehole shape usng a drilling tool
Patent number
11,753,928
Issue date
Sep 12, 2023
Halliburton Energy Services, Inc.
Brian Breaux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shock and vibration reduction in downhole tools
Patent number
11,732,534
Issue date
Aug 22, 2023
Schlumberger Technology Corporation
Joachim Sihler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Optical gas sensor assembly
Patent number
11,725,465
Issue date
Aug 15, 2023
Baker Hughes Oilfield Operations LLC
Neil Geoffrey Harris
E21 - EARTH DRILLING MINING
Information
Patent Grant
Freeing a stuck pipe from a wellbore
Patent number
11,719,063
Issue date
Aug 8, 2023
Saudi Arabian Oil Company
Najeeb Al-Abdulrahman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deploying material to limit losses of drilling fluid in a wellbore
Patent number
11,643,878
Issue date
May 9, 2023
Saudi Arabian Oil Company
Bodong Li
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool including a helically wound structure
Patent number
11,643,929
Issue date
May 9, 2023
Halliburton Energy Services, Inc.
Edward Harrigan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Double acting rotary and hammering tool
Patent number
11,619,098
Issue date
Apr 4, 2023
Saudi Arabian Oil Company
Belgacem Becha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole cutting tool positioning assemblies and methods to cut a t...
Patent number
11,598,160
Issue date
Mar 7, 2023
Halliburton Energy Services, Inc.
Simon Whye Kwong Wai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable drilling system with active stabilizer
Patent number
11,591,860
Issue date
Feb 28, 2023
Baker Hughes Oilfield Operations LLC
Zhiguo Ren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable meshed component for guiding an untethered device in a s...
Patent number
11,572,751
Issue date
Feb 7, 2023
Saudi Arabian Oil Company
Simone Musso
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tools with tapered actuators having reduced cyclical torque
Patent number
11,566,472
Issue date
Jan 31, 2023
Schlumberger Technology Corporation
Kjell Haugvaldstad
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool actuators and indexing mechanisms
Patent number
11,473,382
Issue date
Oct 18, 2022
TURBO DRILL INDUSTRIES, INC.
Mark Adam
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well cleaning tools and related methods of cleaning wells in oil an...
Patent number
11,414,961
Issue date
Aug 16, 2022
Saudi Arabian Oil Company
Mustafa A. Al-Huwaider
B08 - CLEANING
Information
Patent Grant
Freeing a stuck pipe from a wellbore
Patent number
11,391,104
Issue date
Jul 19, 2022
Saudi Arabian Oil Company
Najeeb Al-Abdulrahman
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PISTON AND CYLINDER ASSEMBLY OF A DOWNHOLE TOOL, DOWNHOLE TOOL WITH...
Publication number
20240376783
Publication date
Nov 14, 2024
ROCKATEK LIMITED
Daniel Brendan CROWLEY
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRALIZER FOR A TOOL IN A DRILL COLLAR
Publication number
20240360729
Publication date
Oct 31, 2024
Nabors Drilling Technologies USA, Inc.
Scott MURTA
E21 - EARTH DRILLING MINING
Information
Patent Application
Indexing Control System
Publication number
20240141739
Publication date
May 2, 2024
Arrival Energy Solutions Inc.
Jayson Russell
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICES, SYSTEMS, AND METHODS FOR EXPANDABLE BLOCK SETS
Publication number
20240068300
Publication date
Feb 29, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Philip TRUNK
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ACTIVE CENTRALIZATION OF DOWNHOLE WELL TOOLS
Publication number
20240018831
Publication date
Jan 18, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Mark Hofacker
E21 - EARTH DRILLING MINING
Information
Patent Application
PRESSURE WAVE-BASED STEERING AND COMMUNICATION SYSTEMS
Publication number
20240003199
Publication date
Jan 4, 2024
D-TECH UK LTD.
Christian MENGER
E21 - EARTH DRILLING MINING
Information
Patent Application
PACKER ARRANGEMENT FOR SEALINGLY GUIDING A DRILLSTRING THERETHROUGH
Publication number
20230417119
Publication date
Dec 28, 2023
Electrical Subsea & Drilling AS
Egil Eriksen
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
MECHANICAL METHOD FOR MAPPING A BOREHOLE SHAPE USNG A DRILLING TOOL
Publication number
20230212940
Publication date
Jul 6, 2023
Halliburton Energy Services, Inc.
Brian Breaux
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL WITH TAPERED ACTUATORS
Publication number
20230151695
Publication date
May 18, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Kjell Haugvaldstad
E21 - EARTH DRILLING MINING
Information
Patent Application
VALVE APPARATUS
Publication number
20230142178
Publication date
May 11, 2023
Danny T. Williams
E21 - EARTH DRILLING MINING
Information
Patent Application
DIRECTIONAL PULSE POWER DRILLING
Publication number
20230144439
Publication date
May 11, 2023
Halliburton Energy Services, Inc.
Michael D. Finke
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDROSTATICALLY-ACTUATABLE SYSTEMS AND RELATED METHODS
Publication number
20230017429
Publication date
Jan 19, 2023
D-TECH UK LTD
Christian MENGER
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC CASING CENTRALIZER DEVICE, SYSTEM, AND METHOD FOR EXPANDI...
Publication number
20220372824
Publication date
Nov 24, 2022
Saudi Arabian Oil Company
Asim K. Alkhuwayr
E21 - EARTH DRILLING MINING
Information
Patent Application
Freeing a Stuck Pipe from a Wellbore
Publication number
20220298880
Publication date
Sep 22, 2022
Saudi Arabian Oil Company
Najeeb Al-Abdulrahman
E21 - EARTH DRILLING MINING
Information
Patent Application
FORMATION TESTER TOOL
Publication number
20220290509
Publication date
Sep 15, 2022
Halliburton Energy Services, Inc.
Ping Sui
E21 - EARTH DRILLING MINING
Information
Patent Application
ADVANCED STABILIZING SYSTEM FOR DEEP DRILLING
Publication number
20220251910
Publication date
Aug 11, 2022
Abu Dhabi National Oil Company
Fahed Salem Saleh Awadh AL AMERI
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL CLEANING TOOLS AND RELATED METHODS OF CLEANING WELLS IN OIL AN...
Publication number
20220243560
Publication date
Aug 4, 2022
Saudi Arabian Oil Company
Mustafa A. Al-Huwaider
B08 - CLEANING
Information
Patent Application
DOWNHOLE APPARATUS
Publication number
20220162918
Publication date
May 26, 2022
Neil Andrew Abercrombie Simpson
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF-POWERED SENSORS FOR DETECTING DOWNHOLE PARAMETERS
Publication number
20220034173
Publication date
Feb 3, 2022
Saudi Arabian Oil Company
Chinthaka Pasan Gooneratne
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE MESHED COMPONENT FOR GUIDING AN UNTETHERED DEVICE IN A S...
Publication number
20220010630
Publication date
Jan 13, 2022
Saudi Arabian Oil Company
Simone MUSSO
E21 - EARTH DRILLING MINING
Information
Patent Application
Freeing a Stuck Pipe from a Wellbore
Publication number
20210381330
Publication date
Dec 9, 2021
Saudi Arabian Oil Company
Najeeb Al-Abdulrahman
E21 - EARTH DRILLING MINING
Information
Patent Application
SLIDING STANDOFF ASSEMBLY
Publication number
20210355760
Publication date
Nov 18, 2021
FAST FOWARD TECHNOLOGY LLC
POUYA MAHBOD
E21 - EARTH DRILLING MINING
Information
Patent Application
STEERING PAD APPARATUS AND RELATED METHODS
Publication number
20210340820
Publication date
Nov 4, 2021
HALLIBURTON ENERGY SERVICES, INC.
Everett Philip HAGAR
E21 - EARTH DRILLING MINING
Information
Patent Application
IN-PIPE PASSIVE CENTERING MECHANISM WITH RADIAL PROBE OR TOOL DEPLO...
Publication number
20210332649
Publication date
Oct 28, 2021
Saudi Arabian Oil Company
Abdoulelah Al-Hannabi
E21 - EARTH DRILLING MINING
Information
Patent Application
Deploying Material to Limit Losses of Drilling Fluid in a Wellbore
Publication number
20210301597
Publication date
Sep 30, 2021
Saudi Arabian Oil Company
Bodong Li
E21 - EARTH DRILLING MINING
Information
Patent Application
TEXTURED SURFACES OF EXPANDING METAL FOR CENTRALIZER, MIXING, AND D...
Publication number
20210270093
Publication date
Sep 2, 2021
Halliburton Energy Services, Inc.
Michael Linley FRIPP
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL ACTUATORS AND INDEXING MECHANISMS
Publication number
20210254419
Publication date
Aug 19, 2021
TURBO DRILL INDUSTRIES, INC.
Mark ADAM
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL INCLUDING A HELICALLY WOUND STRUCTURE
Publication number
20210254460
Publication date
Aug 19, 2021
Halliburton Energy Services, Inc.
Edward Harrigan
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOLS WITH TAPERED ACTUATORS HAVING REDUCED CYCLICAL TORQUE
Publication number
20210198949
Publication date
Jul 1, 2021
SCHLUMBERGER TECHNOLOGY CORPORATION
Kjell Haugvaldstad
E21 - EARTH DRILLING MINING