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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B7/00
Special methods or apparatus for drilling
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E21B7/061
the tool shaft advancing relative to a guide
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Patents Grants
last 30 patents
Information
Patent Grant
Lateral access control in downhole window joints
Patent number
12,188,352
Issue date
Jan 7, 2025
Halliburton Energy Services, Inc.
Mark Christopher Glaser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Debris resistant keyed running tool and method
Patent number
12,180,795
Issue date
Dec 31, 2024
Halliburton Energy Services, Inc.
Wesley P. Dietz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Lateral locating assembly having one or more production ports
Patent number
12,158,057
Issue date
Dec 3, 2024
Halliburton Energy Services, Inc.
Franklin Rodriguez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-magnetic openhole whipstock
Patent number
12,140,024
Issue date
Nov 12, 2024
Saudi Arabian Oil Company
Ahmed M. Al Rubaya
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling method for branching borehole with short radiu...
Patent number
12,140,025
Issue date
Nov 12, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for making a lateral well
Patent number
12,129,741
Issue date
Oct 29, 2024
ConocoPhillips Company
Jan Ove Soerheim
E21 - EARTH DRILLING MINING
Information
Patent Grant
Release mechanism for a whipstock
Patent number
12,091,970
Issue date
Sep 17, 2024
Weatherford Technology Holdings, LLC
Jeffery Scott Pray
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling
Patent number
12,084,970
Issue date
Sep 10, 2024
Priority Drilling Ltd
Michael Dineen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Whipstock for use with a mill bit including varying material remova...
Patent number
12,071,815
Issue date
Aug 27, 2024
Halliburton Energy Services, Inc.
Wesley P. Dietz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Two-part drilling/running and activation tool
Patent number
12,065,911
Issue date
Aug 20, 2024
Halliburton Energy Services, Inc.
Borisa Lajesic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling device and drilling method of aquifer remediat...
Patent number
12,055,040
Issue date
Aug 6, 2024
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yifan Zeng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for washing over an anchoring subassembly
Patent number
12,055,039
Issue date
Aug 6, 2024
Halliburton Energy Services, Inc.
Srinivasa Prasanna Vemuri
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular pressure activated downhole tool
Patent number
12,044,086
Issue date
Jul 23, 2024
Baker Hughes Oilfield Operations LLC
Gregory L. Hern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Easy building-up hybrid rotary steerable drilling system
Patent number
12,025,005
Issue date
Jul 2, 2024
Xiaoyue WAN
Zichen Xu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Whipstock to plug and abandon wellbore below setting depth
Patent number
12,018,565
Issue date
Jun 25, 2024
Saudi Arabian Oil Company
Ahmed Abdulaziz Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole geometry sensor and running tool assemblies and methods to...
Patent number
12,012,846
Issue date
Jun 18, 2024
Halliburton Energy Services, Inc.
Angus Mackay Barron
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sidetrack casing assembly for drilling sidetrack wellbores
Patent number
12,012,854
Issue date
Jun 18, 2024
Saudi Arabian Oil Company
Sultan Alosaimi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deflector-less multilateral system using a buoyant guide sub
Patent number
11,993,993
Issue date
May 28, 2024
Halliburton Energy Services, Inc.
Morten Falnes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable system with central distribution passages
Patent number
11,970,942
Issue date
Apr 30, 2024
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual piston rotary steerable system
Patent number
11,952,894
Issue date
Apr 9, 2024
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Omni-directional horizontally orientaed deflecting tool for coiled...
Patent number
11,946,374
Issue date
Apr 2, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang Tang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mill bit including varying material removal rates
Patent number
11,939,819
Issue date
Mar 26, 2024
Halliburton Energy Services, Inc.
Wesley P. Dietz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modified whipstock design integrating cleanout and setting mechanisms
Patent number
11,933,174
Issue date
Mar 19, 2024
Saudi Arabian Oil Company
Ahmed Abdulaziz Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Slidable isolation sleeve with I-shaped seal
Patent number
11,867,030
Issue date
Jan 9, 2024
Halliburton Energy Services, Inc.
Benjamin Butler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Whipstock with hinged taperface
Patent number
11,846,186
Issue date
Dec 19, 2023
Halliburton Energy Services, Inc.
Matthew Bradley Stokes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Attaining access to compromised fractured production regions at an...
Patent number
11,840,909
Issue date
Dec 12, 2023
Schlumberger Technology Corporation
Dmitriy Ivanovich Potapenko
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for multilateral quick access in oil and gas indu...
Patent number
11,828,118
Issue date
Nov 28, 2023
Saudi Arabian Oil Company
Amir Abdelhamid Mohammed Elkawass
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for uninterrupted drilling
Patent number
11,795,806
Issue date
Oct 24, 2023
MOTIVE DRILLING TECHNOLOGIES, INC.
William Edward Weideman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling
Patent number
11,788,358
Issue date
Oct 17, 2023
Priority Drilling Ltd
Michael Dineen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Whipstock assembly
Patent number
11,773,676
Issue date
Oct 3, 2023
OILTOOLSTEQ LTD
William Brown-Kerr
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Method for Assembling and Deploying Whipstock Assembly
Publication number
20250003292
Publication date
Jan 2, 2025
Weatherford Technology Holdings, LLC.
Jeffery S. Pray
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR MULTILATERAL COMPLETIONS
Publication number
20240410254
Publication date
Dec 12, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Jeremie Fould
E21 - EARTH DRILLING MINING
Information
Patent Application
SPLINED/GROOVED 2 PIECE BIT ASSEMBLY
Publication number
20240410230
Publication date
Dec 12, 2024
Halliburton Energy Services, Inc.
André Storskjær
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-METALLIC LINER FOR WELLBORE SIDETRACK OPERATIONS
Publication number
20240410227
Publication date
Dec 12, 2024
Saudi Arabian Oil Company
Ahmed Abdulaziz Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Application
THREADED 2 PIECE BIT ASSEMBLY
Publication number
20240401412
Publication date
Dec 5, 2024
Halliburton Energy Services, Inc.
Mark Christopher Glaser
E21 - EARTH DRILLING MINING
Information
Patent Application
WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVA...
Publication number
20240376784
Publication date
Nov 14, 2024
Halliburton Energy Services, Inc.
Wesley P. Dietz
E21 - EARTH DRILLING MINING
Information
Patent Application
LATERAL ACCESS CONTROL IN DOWNHOLE WINDOW JOINTS
Publication number
20240352801
Publication date
Oct 24, 2024
Halliburton Energy Services, Inc.
Mark Christopher Glaser
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR RETRIEVING A WHIPSTOCK WITH A DRILL BIT IN A...
Publication number
20240328273
Publication date
Oct 3, 2024
Saudi Arabian Oil Company
Richard Mark Pye
E21 - EARTH DRILLING MINING
Information
Patent Application
System and Method for Orienting and Anchoring Downhole Tools
Publication number
20240318546
Publication date
Sep 26, 2024
Bright Fast International Limited
Paul Kwong Shun Cheung
E21 - EARTH DRILLING MINING
Information
Patent Application
Guided Mainbore Mill Through Multilateral Junction
Publication number
20240318504
Publication date
Sep 26, 2024
Halliburton Energy Services, Inc.
Neil Hepburn
E21 - EARTH DRILLING MINING
Information
Patent Application
WHIPSTOCK TO PLUG AND ABANDON WELLBORE BELOW SETTING DEPTH
Publication number
20240301754
Publication date
Sep 12, 2024
Saudi Arabian Oil Company
Ahmed Abdulaziz Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Application
DEFLECTOR-LESS MULTILATERAL SYSTEM USING A BUOYANT GUIDE SUB
Publication number
20240287861
Publication date
Aug 29, 2024
Halliburton Energy Services, Inc.
Morten Falnes
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-MAGNETIC OPENHOLE WHIPSTOCK
Publication number
20240279989
Publication date
Aug 22, 2024
Saudi Arabian Oil Company
Ahmed M. Al Rubaya
E21 - EARTH DRILLING MINING
Information
Patent Application
MAGMA WELLBORE WITH DIRECTIONAL DRILLING
Publication number
20240271489
Publication date
Aug 15, 2024
EnhancedGEO Holdings, LLC
Greg Lindberg
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR REDUCING FRICTION IN RADIAL DRILLING AND JET...
Publication number
20240271490
Publication date
Aug 15, 2024
RADJET SERVICES US, INC.
Alan Palazzolo
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY STEERABLE SYSTEM
Publication number
20240263522
Publication date
Aug 8, 2024
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Application
SHORT-RADIUS TRAJECTORY-CONTROLLABLE DRILLING TOOL AND COMBINED TYP...
Publication number
20240263519
Publication date
Aug 8, 2024
Zichen XU
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR CREATION OF AN OPEN HOLE SIDETRACK
Publication number
20240263520
Publication date
Aug 8, 2024
ConocoPhillips Company
Lars HOVDA
E21 - EARTH DRILLING MINING
Information
Patent Application
COILED TUBING FLEXIBLE DRILL ROD ULTRA-SHORT RADIUS RADIAL DRILLING...
Publication number
20240254837
Publication date
Aug 1, 2024
China University of Petroleum-Beijing
Zhongwei HUANG
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS FOR FORMING LATERAL BORES IN SUBSURFACE ROCK FORMATIONS,W...
Publication number
20240254836
Publication date
Aug 1, 2024
Fishbones AS
Maximilian Leinenbach
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
ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL
Publication number
20240247558
Publication date
Jul 25, 2024
Baker Hughes Oilfield Operations LLC
Gregory L. Hern
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTILATERAL TECHNOLOGIES FOR WELLBORES
Publication number
20240229561
Publication date
Jul 11, 2024
ROKK ENERGY TECHNOLOGIES INC.
Daniel J. Themig
E21 - EARTH DRILLING MINING
Information
Patent Application
ANNULAR PRESSURE ACTIVATED DOWNHOLE TOOL
Publication number
20240200416
Publication date
Jun 20, 2024
Baker Hughes Oilfield Operations LLC
Gregory L. Hern
E21 - EARTH DRILLING MINING
Information
Patent Application
SIDETRACK CASING ASSEMBLY FOR DRILLING SIDETRACK WELLBORES
Publication number
20240159110
Publication date
May 16, 2024
Saudi Arabian Oil Company
Sultan ALOSAIMI
E21 - EARTH DRILLING MINING
Information
Patent Application
SLIDABLE ISOLATION SLEEVE WITH I-SHAPED SEAL
Publication number
20240151120
Publication date
May 9, 2024
Halliburton Energy Services, Inc.
Benjamin Butler
E21 - EARTH DRILLING MINING
Information
Patent Application
ANCHORING SUBASSEMBLY INCLUDING A RELAXATION MECHANISM
Publication number
20240141741
Publication date
May 2, 2024
Halliburton Energy Services, Inc.
Aihua Liang
E21 - EARTH DRILLING MINING
Information
Patent Application
TWO-PART DRILLING AND RUNNING TOOL INCLUDING A ONE WAY MECHANISM
Publication number
20240117713
Publication date
Apr 11, 2024
Halliburton Energy Services, Inc.
Lars Petter Larsen
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY, A COMPLETION ASSEMBLY, A...
Publication number
20240117679
Publication date
Apr 11, 2024
Halliburton Energy Services, Inc.
Borisa Lajesic
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL INCLUDING A PACKER ASSEMBLY, A COMPLETION ASSEMBLY, A...
Publication number
20240117680
Publication date
Apr 11, 2024
Halliburton Energy Services, Inc.
Borisa Lajesic
E21 - EARTH DRILLING MINING