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CPC
E21B43/11857
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B43/00
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Current Industry
E21B43/11857
firing indication systems
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Switch device with non-addressable scheme for wellbore operations
Patent number
11,891,891
Issue date
Feb 6, 2024
Geodynamics, Inc.
Roger Archibald
E21 - EARTH DRILLING MINING
Information
Patent Grant
Micro-controller-based switch assembly for wellbore systems and method
Patent number
11,795,792
Issue date
Oct 24, 2023
Geodynamics, Inc.
Roger Archibald
F42 - AMMUNITION BLASTING
Information
Patent Grant
Sensor system for detecting fiber optic cable locations and perform...
Patent number
11,719,080
Issue date
Aug 8, 2023
Halliburton Energy Services, Inc.
Henry Clifford Bland
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic underbalance initiated safety firing head, well completio...
Patent number
11,408,258
Issue date
Aug 9, 2022
DynaEnergetics Europe GmbH
Frank Haron Preiss
E21 - EARTH DRILLING MINING
Information
Patent Grant
Micro-controller-based switch assembly for wellbore systems and method
Patent number
11,384,626
Issue date
Jul 12, 2022
Geodynamics, Inc.
Roger Archibald
F42 - AMMUNITION BLASTING
Information
Patent Grant
Downhole shock sensor
Patent number
11,215,042
Issue date
Jan 4, 2022
Halliburton Energy Services, Inc.
Simon Whye Kwong Wai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ballistic coupling of perforating arrays
Patent number
11,149,529
Issue date
Oct 19, 2021
Halliburton Energy Services, Inc.
Richard Robey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Micro-controller-based switch assembly for wellbore systems and method
Patent number
10,914,146
Issue date
Feb 9, 2021
Geodynamics, Inc.
Roger Archibald
F42 - AMMUNITION BLASTING
Information
Patent Grant
Hydraulic underbalance initiated safety firing head, well completio...
Patent number
10,865,626
Issue date
Dec 15, 2020
DynaEnergetics Europe GmbH
Frank Haron Preiss
E21 - EARTH DRILLING MINING
Information
Patent Grant
Perforating systems with insensitive high explosive
Patent number
10,746,002
Issue date
Aug 18, 2020
Halliburton Energy Services, Inc.
James Marshall Barker
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Perforating systems with insensitive high explosive
Patent number
10,677,572
Issue date
Jun 9, 2020
Halliburton Energy Services, Inc.
James Marshall Barker
F42 - AMMUNITION BLASTING
Information
Patent Grant
System and method for downhole ignition detection
Patent number
10,669,823
Issue date
Jun 2, 2020
Baker Hughes, a GE company, LLC
Levi Oberg
G01 - MEASURING TESTING
Information
Patent Grant
Retaining and positioning end cap for downhole setting tool power c...
Patent number
10,408,025
Issue date
Sep 10, 2019
Baker Hughes, a GE company, LLC
Kevin Edgar Harrington
E21 - EARTH DRILLING MINING
Information
Patent Grant
Select fire switch control system and method
Patent number
10,180,050
Issue date
Jan 15, 2019
Geodynamics, Inc.
John T Hardesty
F42 - AMMUNITION BLASTING
Information
Patent Grant
Perforating systems with insensitive high explosive
Patent number
10,126,103
Issue date
Nov 13, 2018
Halliburton Energy Services, Inc.
James Marshall Barker
F42 - AMMUNITION BLASTING
Information
Patent Grant
Refracturing method using spaced shaped charges straddled with isol...
Patent number
10,082,012
Issue date
Sep 25, 2018
Baker Hughes, a GE company, LLC
Silviu Livescu
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for performing a perforation operation
Patent number
10,047,592
Issue date
Aug 14, 2018
Schlumberger Technology Corporation
Rex Burgos
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well monitoring by means of distributed sensing means
Patent number
9,689,254
Issue date
Jun 27, 2017
Optasense Holdings Limited
David John Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well monitoring by means of distributed sensing means
Patent number
9,617,848
Issue date
Apr 11, 2017
Optasense Holdings Limited
David John Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and systems for controlling networked electronic switches f...
Patent number
9,518,454
Issue date
Dec 13, 2016
Pacific Scientific Energetic Materials Company (California) LLC
Peter J. Current
E21 - EARTH DRILLING MINING
Information
Patent Grant
Interactive and/or secure activation of a tool
Patent number
9,464,508
Issue date
Oct 11, 2016
Schlumberger Technology Corporation
Nolan C. Lerche
F42 - AMMUNITION BLASTING
Information
Patent Grant
Device for intervention in a well comprising a pyrotechnic system,...
Patent number
9,022,108
Issue date
May 5, 2015
Geoservices Equipements
Vincent Chatelet
F42 - AMMUNITION BLASTING
Information
Patent Grant
Fracture monitoring
Patent number
8,950,482
Issue date
Feb 10, 2015
Optasense Holdings Ltd.
David John Hill
G01 - MEASURING TESTING
Information
Patent Grant
Perforating with wired drill pipe
Patent number
8,672,031
Issue date
Mar 18, 2014
Schlumberger Technology Corporation
Vladimir Vaynshteyn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Suppressing voltage transients in perforation operations
Patent number
8,365,825
Issue date
Feb 5, 2013
Halliburton Energy Services, Inc.
Gregory Scott Yarbro
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus string for use in a wellbore
Patent number
8,157,022
Issue date
Apr 17, 2012
Schlumberger Technology Corporation
Michael J. Bertoja
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular time delay for actuating wellbore devices and methods for u...
Patent number
7,721,650
Issue date
May 25, 2010
Owen Oil Tools LP
John A. Barton
F42 - AMMUNITION BLASTING
Information
Patent Grant
Monitoring an explosive device
Patent number
7,565,927
Issue date
Jul 28, 2009
Schlumberger Technology Corporation
David Gerez
F42 - AMMUNITION BLASTING
Information
Patent Grant
Interactive and/or secure activation of a tool
Patent number
7,520,323
Issue date
Apr 21, 2009
Schlumberger Technology Corporation
Nolan C. Lerche
F42 - AMMUNITION BLASTING
Information
Patent Grant
Interactive and/or secure activation of a tool
Patent number
7,383,882
Issue date
Jun 10, 2008
Schlumberger Technology Corporation
Nolan C. Lerche
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC DEVICE AND METHOD FOR ORIENTATION-MEASURING DEVICE FOR D...
Publication number
20240426196
Publication date
Dec 26, 2024
Advanced Wireline Solutions, Inc.
Hasan Dumanli
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR MONITORING WELL OPERATIONS
Publication number
20230383644
Publication date
Nov 30, 2023
Intelligent Wellhead Systems Inc.
Robert Duncan
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTROL MODULE FOR A DETONATION SUB AND A DETONATION SUB
Publication number
20230250711
Publication date
Aug 10, 2023
Chris Brace
F42 - AMMUNITION BLASTING
Information
Patent Application
SENSOR SYSTEM FOR DETECTING FIBER OPTIC CABLE LOCATIONS AND PERFORM...
Publication number
20220333468
Publication date
Oct 20, 2022
Halliburton Energy Services, Inc.
Henry Clifford Bland
E21 - EARTH DRILLING MINING
Information
Patent Application
MICRO-CONTROLLER-BASED SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD
Publication number
20220298896
Publication date
Sep 22, 2022
GeoDynamics, Inc.
Roger ARCHIBALD
F42 - AMMUNITION BLASTING
Information
Patent Application
SWITCH DEVICE WITH NON-ADDRESSABLE SCHEME FOR WELLBORE OPERATIONS
Publication number
20220034221
Publication date
Feb 3, 2022
GeoDynamics, Inc.
Roger ARCHIBALD
E21 - EARTH DRILLING MINING
Information
Patent Application
MICRO-CONTROLLER-BASED SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD
Publication number
20210123331
Publication date
Apr 29, 2021
GeoDynamics, Inc.
Roger ARCHIBALD
F42 - AMMUNITION BLASTING
Information
Patent Application
Downhole Shock Sensor
Publication number
20210079768
Publication date
Mar 18, 2021
Halliburton Energy Services, Inc.
Simon Whye Kwong Wai
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC UNDERBALANCE INITIATED SAFETY FIRING HEAD, WELL COMPLETIO...
Publication number
20210079769
Publication date
Mar 18, 2021
DynaEnergetics Europe GmbH
Frank Haron Preiss
E21 - EARTH DRILLING MINING
Information
Patent Application
BALLISTIC COUPLING OF PERFORATING ARRAYS
Publication number
20210054724
Publication date
Feb 25, 2021
Halliburton Energy Services, Inc.
Richard Robey
E21 - EARTH DRILLING MINING
Information
Patent Application
MICRO-CONTROLLER-BASED SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD
Publication number
20190390536
Publication date
Dec 26, 2019
GeoDynamics, Inc.
Roger ARCHIBALD
F42 - AMMUNITION BLASTING
Information
Patent Application
HYDRAULIC UNDERBALANCE INITIATED SAFETY FIRING HEAD, WELL COMPLETIO...
Publication number
20190162058
Publication date
May 30, 2019
DYNAenergetics GmbH & Co. KG
Frank Haron Preiss
E21 - EARTH DRILLING MINING
Information
Patent Application
PERFORATING SYSTEMS WITH INSENSITIVE HIGH EXPLOSIVE
Publication number
20190063885
Publication date
Feb 28, 2019
Halliburton Energy Services, Inc.
James Marshall Barker
F42 - AMMUNITION BLASTING
Information
Patent Application
Retaining and Positioning End Cap for Downhole Setting Tool Power C...
Publication number
20190017356
Publication date
Jan 17, 2019
BAKER HUGHES, A GE COMPANY, LLC
Kevin Edgar Harrington
E21 - EARTH DRILLING MINING
Information
Patent Application
SELECT FIRE SWITCH CONTROL SYSTEM AND METHOD
Publication number
20160333676
Publication date
Nov 17, 2016
GeoDynamics, Inc.
John T. Hardesty
F42 - AMMUNITION BLASTING
Information
Patent Application
System and Method for Performing a Perforation Operation
Publication number
20150096752
Publication date
Apr 9, 2015
Rex Burgos
E21 - EARTH DRILLING MINING
Information
Patent Application
Tractor Communication/Control and Select Fire Perforating Switch Si...
Publication number
20140151018
Publication date
Jun 5, 2014
Hunting Titan, Ltd.
Nolan C. Lerche
E21 - EARTH DRILLING MINING
Information
Patent Application
PULSE DETONATION TOOL, METHOD AND SYSTEM FOR FORMATION FRACTURING
Publication number
20130161007
Publication date
Jun 27, 2013
GENERAL ELECTRIC COMPANY
Christopher Edward WOLFE
E21 - EARTH DRILLING MINING
Information
Patent Application
Device for Intervention in a Well Comprising a Pyrotechnic System,...
Publication number
20120325463
Publication date
Dec 27, 2012
Geoservices Equipments
Vincent Chatelet
F42 - AMMUNITION BLASTING
Information
Patent Application
NON-INTRUSIVE FLOW INDICATOR
Publication number
20120227962
Publication date
Sep 13, 2012
Bennett M. Richard
E21 - EARTH DRILLING MINING
Information
Patent Application
Non-intrusive flow indicator
Publication number
20120175109
Publication date
Jul 12, 2012
Bennett M. Richard
E21 - EARTH DRILLING MINING
Information
Patent Application
System and Method for Acoustic Recording in Well Bottomhole Assembl...
Publication number
20120155219
Publication date
Jun 21, 2012
Laurent Alteirac
E21 - EARTH DRILLING MINING
Information
Patent Application
Fracture Monitoring
Publication number
20120111560
Publication date
May 10, 2012
QINETIQ LIMITED
David John Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Well Monitoring by Means of Distributed Sensing Means
Publication number
20120063267
Publication date
Mar 15, 2012
QINETIQ LIMITED
David John Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Well Monitoring by Means of Distributed Sensing Means
Publication number
20120057432
Publication date
Mar 8, 2012
QINETIQ LIMITED
David John Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Methods for Controlling and Communicating with Downho...
Publication number
20110066378
Publication date
Mar 17, 2011
Nolan C. Lerche
E21 - EARTH DRILLING MINING
Information
Patent Application
TRACTOR COMMUNICATION/CONTROL AND SELECT FIRE PERFORATING SWITCH SI...
Publication number
20100286800
Publication date
Nov 11, 2010
Nolan C. Lerche
E21 - EARTH DRILLING MINING
Information
Patent Application
PERFORATING WITH WIRED DRILL PIPE
Publication number
20100230105
Publication date
Sep 16, 2010
Vladimir Vaynshteyn
E21 - EARTH DRILLING MINING
Information
Patent Application
INTERACTIVE AND/OR SECURE ACIVATION OF A TOOL
Publication number
20090168606
Publication date
Jul 2, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Nolan C. Lerche
F42 - AMMUNITION BLASTING
Information
Patent Application
APPARATUS STRING FOR USE IN A WELLBORE
Publication number
20090084535
Publication date
Apr 2, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Michael J. Bertoja
E21 - EARTH DRILLING MINING