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E21B34/10
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E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B34/00
Valve arrangements for boreholes or wells
Current Industry
E21B34/10
operated by control fluid supplied from above ground
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure regulation mechanism for downhole well tools
Patent number
12,221,856
Issue date
Feb 11, 2025
Halliburton Energy Services, Inc.
Jalpan P. Dave
G05 - CONTROLLING REGULATING
Information
Patent Grant
Method and apparatus for cementing and cleaning a reservoir liner
Patent number
12,203,338
Issue date
Jan 21, 2025
ConocoPhillips Company
Hans Martin Leistad
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified whipstock design integrating smart cleanout mechanisms
Patent number
12,203,369
Issue date
Jan 21, 2025
Saudi Arabian Oil Company
Ahmed A. Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve systems, isolation tools, and methods of lo...
Patent number
12,196,058
Issue date
Jan 14, 2025
Saudi Arabian Oil Company
Eyad Bin Alshaikh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole friction reduction systems having a flexible agitator
Patent number
12,188,320
Issue date
Jan 7, 2025
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatuses and methods for use with reverse circulation overshot s...
Patent number
12,188,325
Issue date
Jan 7, 2025
Boart Longyear Company
Anthony Lachance
E21 - EARTH DRILLING MINING
Information
Patent Grant
Circulating valve and associated system and method
Patent number
12,180,792
Issue date
Dec 31, 2024
Thru Tubing Solutions, Inc.
Brock W. Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and tool for directing an annular flow across a well bore in...
Patent number
12,180,801
Issue date
Dec 31, 2024
Basin Energy Solutions IP Holdings Corporation
Dean Alan Gimbel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods of production tubing chemical injection
Patent number
12,168,914
Issue date
Dec 17, 2024
Saudi Arabian Oil Company
Abdulaziz Khaled Albassam
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve apparatus
Patent number
12,168,911
Issue date
Dec 17, 2024
Danny T. Williams
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole hydraulic directional control valve used by hydraulic powe...
Patent number
12,168,912
Issue date
Dec 17, 2024
SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD
Bing Guan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Magnetically coupled subsurface safety valve
Patent number
12,163,402
Issue date
Dec 10, 2024
Halliburton Energy Services, Inc.
Kevin Robin Passmore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stage tool
Patent number
12,152,463
Issue date
Nov 26, 2024
INNOVEX DOWNHOLE SOLUTIONS, INC.
Anthony Rushing
E21 - EARTH DRILLING MINING
Information
Patent Grant
Down-hole extended reach tool generating variable shock wave amplit...
Patent number
12,152,454
Issue date
Nov 26, 2024
PROSHALE LLC
Martin Mauro Nebiolo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for remotely signalling a downhole assembly compr...
Patent number
12,152,486
Issue date
Nov 26, 2024
Weatherford U.K. Limited
Euan Murdoch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid diverter tool, system and method of diverting a fluid flow in...
Patent number
12,146,389
Issue date
Nov 19, 2024
Hydra Systems AS
Markus Iuell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic landing nipple
Patent number
12,134,944
Issue date
Nov 5, 2024
Schlumberger Technology Corporation
Krishna Trisal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sealing assembly for wellbore operations
Patent number
12,123,277
Issue date
Oct 22, 2024
Halliburton Energy Services, Inc.
Barry Richardson Main
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrostatically insensitive testing and injection plug
Patent number
12,110,761
Issue date
Oct 8, 2024
Weatherford Technology Holdings, LLC
Eric R Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low power consumption electro-hydraulic system with multiple solenoids
Patent number
12,110,763
Issue date
Oct 8, 2024
Halliburton Energy Services, Inc.
Lorenzzo Breda Minassa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic real time screen-out mitigation
Patent number
12,104,481
Issue date
Oct 1, 2024
Halliburton Energy Services, Inc.
Srividhya Sridhar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Treatment system, method, and borehole system
Patent number
12,098,606
Issue date
Sep 24, 2024
Baker Hughes Oilfield Operations LLC
Gabriel Casanova
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrostatically insensitive plug assembly
Patent number
12,098,615
Issue date
Sep 24, 2024
Weatherford Technology Holdings, LLC
Eric R. Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual ball seat system
Patent number
12,098,617
Issue date
Sep 24, 2024
Schlumberger Technology Corporation
Michael Underbrink
E21 - EARTH DRILLING MINING
Information
Patent Grant
Autofill, circulation, and production valve for well completion sys...
Patent number
12,091,937
Issue date
Sep 17, 2024
Schlumberger Technology Corporation
Weichen Lai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Through-tubing pressure intensifier, method and system
Patent number
12,078,028
Issue date
Sep 3, 2024
Baker Hughes Oilfield Operations LLC
Gary L. Anderson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve assembly
Patent number
12,065,905
Issue date
Aug 20, 2024
Expro North Sea Limited
Kris Manett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure-activated valve assemblies and methods to remotely activat...
Patent number
12,060,768
Issue date
Aug 13, 2024
Halliburton Energy Services, Inc.
Peter D W Inglis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Float valve producing turbulent flow for wet shoe track
Patent number
12,055,013
Issue date
Aug 6, 2024
Weatherford Technology Holdings, LLC
Dmitry Ridner
E21 - EARTH DRILLING MINING
Information
Patent Grant
Autofill conversion assembly with an interchangeable flow port ball...
Patent number
12,049,803
Issue date
Jul 30, 2024
Nicolas Rogozinski
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DENSITY BASED INFLOW CONTROL DEVICE, METHOD, AND SYSTEM
Publication number
20250043657
Publication date
Feb 6, 2025
Baker Hughes Oilfield Operations LLC
Ronnie Russell
E21 - EARTH DRILLING MINING
Information
Patent Application
BALL DEFLECTOR FOR FLOAT COLLAR
Publication number
20250043638
Publication date
Feb 6, 2025
DOWNHOLE PRODUCTS LIMITED
Darko Arsoski
E21 - EARTH DRILLING MINING
Information
Patent Application
LEARNING MACHINE FOR SUBSURFACE SAFETY VALVE
Publication number
20250034968
Publication date
Jan 30, 2025
Landmark Graphics Corporation
Bilal Hungund
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID DENSITY VALVE, METHOD, AND SYSTEM
Publication number
20250020042
Publication date
Jan 16, 2025
Baker Hughes Oilfield Operations LLC
Bin Zhu
E21 - EARTH DRILLING MINING
Information
Patent Application
CONVERTIBLE VALVE FOR USE IN A SUBTERRANEAN WELL
Publication number
20240410251
Publication date
Dec 12, 2024
Weatherford Technology Holdings, LLC.
Gregory Gaspard
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND TOOL FOR DIRECTING AN ANNULAR FLOW ACROSS A WELL BORE IN...
Publication number
20240392648
Publication date
Nov 28, 2024
Basin Energy Solutions IP Holdings Corporation
Dean Alan Gimbel
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL, BOTTOMHOLE ASSEMBLY, AND DRILLING METHOD USING SAME
Publication number
20240384624
Publication date
Nov 21, 2024
Saudi Arabian Oil Company
Fernando Rodriguez Campos
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN-THE-HOLE HAMMER WITH ADJUSTABLE AIR CONSUMPTION
Publication number
20240384599
Publication date
Nov 21, 2024
Caterpillar Inc.
Koushik KABIRAJ
E21 - EARTH DRILLING MINING
Information
Patent Application
PRESSURE REGULATION MECHANISM FOR DOWNHOLE WELL TOOLS
Publication number
20240376797
Publication date
Nov 14, 2024
Halliburton Energy Services, Inc.
Jalpan P. Dave
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC TRIGGER FOR ISOLATION VALVES
Publication number
20240353023
Publication date
Oct 24, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Bo Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
Resettable Configurable Intercept Sub Surface Control Valve
Publication number
20240344424
Publication date
Oct 17, 2024
Halliburton Energy Services, Inc.
Douglas King
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOAT VALVE PRODUCING TURBULENT FLOW FOR WET SHOE TRACK
Publication number
20240344425
Publication date
Oct 17, 2024
Weatherford Technology Holdings, LLC.
Dmitry RIDNER
E21 - EARTH DRILLING MINING
Information
Patent Application
High Flow Deepset Insert Safety Valve
Publication number
20240337170
Publication date
Oct 10, 2024
Halliburton Energy Services, Inc.
Matthew Gassen
E21 - EARTH DRILLING MINING
Information
Patent Application
TERMINAL MODULES FOR DOWNHOLE FORMATION TESTING TOOLS
Publication number
20240309760
Publication date
Sep 19, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Miroslav Slapal
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS OF PRODUCTION TUBING CHEMICAL INJECTION
Publication number
20240271505
Publication date
Aug 15, 2024
Saudi Arabian Oil Company
Abdulaziz Khaled ALBASSAM
E21 - EARTH DRILLING MINING
Information
Patent Application
MODIFIED WHIPSTOCK DESIGN INTEGRATING SMART CLEANOUT MECHANISMS
Publication number
20240254835
Publication date
Aug 1, 2024
Saudi Arabian Oil Company
Ahmed A. Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A PISTON FOLLOWER VALVE
Publication number
20240254860
Publication date
Aug 1, 2024
CENTER ROCK INC.
Leland H. Lyon
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULUS ACTIVATED DRAIN VALVE, METHOD AND SYSTEM
Publication number
20240254861
Publication date
Aug 1, 2024
Baker Hughes Oilfield Operations LLC
Mohammed Parvez Khan
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL INJECTION AND PRODUCTION METHODS, APPARATUS AND SYSTEMS
Publication number
20240247573
Publication date
Jul 25, 2024
WARREN FOSTER PETER MacPHAIL
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydrostatically Insensitve Plug Assembly
Publication number
20240229599
Publication date
Jul 11, 2024
Weatherford Technology Holdings, LLC.
Eric R. Evans
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE VALVE ASSEMBLY WITH CEMENT-ISOLATED FLOWPATH
Publication number
20240218759
Publication date
Jul 4, 2024
NCS MULTISTAGE INC.
Michael WERRIES
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSURFACE SAFETY VALVES, ISOLATION TOOLS, AND METHODS OF COUPLING
Publication number
20240191598
Publication date
Jun 13, 2024
Saudi Arabian Oil Company
Oktay Suleymanov
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE FRICTION REDUCTION SYSTEMS HAVING A FLEXIBLE AGITATOR
Publication number
20240183240
Publication date
Jun 6, 2024
National-Oilwell Varco, L.P.
Khoi Trinh
E21 - EARTH DRILLING MINING
Information
Patent Application
CASING SHOE ASSEMBLY
Publication number
20240183231
Publication date
Jun 6, 2024
FORUM US, INC.
Jeffery MORRISON
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOAT VALVE ASSEMBLY
Publication number
20240183247
Publication date
Jun 6, 2024
FORUM US, INC.
Francis SANTOS
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE VAPOR-TRANSITION CONTROL VALVE FOR FLUID INJECTION
Publication number
20240175336
Publication date
May 30, 2024
Halliburton Energy Services, Inc.
Michael Linley Fripp
E21 - EARTH DRILLING MINING
Information
Patent Application
THROUGH-TUBING PRESSURE INTENSIFIER, METHOD AND SYSTEM
Publication number
20240167362
Publication date
May 23, 2024
Baker Hughes Oilfield Operations LLC
Gary L. Anderson
E21 - EARTH DRILLING MINING
Information
Patent Application
Systems for Inter-Fracture Flooding of Wellbores and Methods of Usi...
Publication number
20240167361
Publication date
May 23, 2024
Xuebing Fu
E21 - EARTH DRILLING MINING
Information
Patent Application
RELEASABLE DOWNHOLE COMPONENT FOR SUBTERRANEAN DEPLOYMENT ALONG A W...
Publication number
20240151118
Publication date
May 9, 2024
NCS MULTISTAGE INC.
Michael WERRIES
E21 - EARTH DRILLING MINING
Information
Patent Application
WIRELINE RETRIEVABLE FLAPPER AND SEAT
Publication number
20240125205
Publication date
Apr 18, 2024
Halliburton Energy Services, Inc.
Merced Gonzalez
E21 - EARTH DRILLING MINING