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CPC
E21B33/062
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B33/00
Sealing or packing boreholes or wells
Current Industry
E21B33/062
with sliding rams
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Patents Grants
last 30 patents
Information
Patent Grant
Modular head for well tubulars
Patent number
12,078,023
Issue date
Sep 3, 2024
2170775 Alberta Ltd.
Clint Roger Sabatier
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for assessing the reliability of hydraulically-actuated dev...
Patent number
12,037,891
Issue date
Jul 16, 2024
Transocean Innovation Labs Ltd.
Andrew Leach
E21 - EARTH DRILLING MINING
Information
Patent Grant
High velocity and pressure BOP ram seal, ram body, and ram seal ass...
Patent number
12,024,969
Issue date
Jul 2, 2024
Bellofram Acquisition II, LLC
Tyler Remington
E21 - EARTH DRILLING MINING
Information
Patent Grant
Riser system
Patent number
11,905,783
Issue date
Feb 20, 2024
Spoked Solutions LLC
Bryce Elliott Randle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rod lock out clamp
Patent number
11,898,412
Issue date
Feb 13, 2024
Oil Lift Technology Inc.
Ross Willard Senger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frac stack well intervention
Patent number
11,834,941
Issue date
Dec 5, 2023
Cameron International Corporation
Kirk P. Guidry
E21 - EARTH DRILLING MINING
Information
Patent Grant
Piston and gate assembly for kinetic pressure control apparatus ram
Patent number
11,834,922
Issue date
Dec 5, 2023
Kinetic Pressure Control Ltd.
Billy J. Gallagher
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remote locking system for a blowout preventer
Patent number
11,821,280
Issue date
Nov 21, 2023
Schlumberger Technology Corporation
Sebastien Poveda
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for controlling pressure in blowout preventer ram seals
Patent number
11,761,285
Issue date
Sep 19, 2023
Benton Frederick Baugh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Annular pressure control ram diverter
Patent number
11,732,542
Issue date
Aug 22, 2023
HUGHES TOOL COMPANY LLC
William James Hughes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for retaining blowout preventer actuator bodies
Patent number
11,725,471
Issue date
Aug 15, 2023
Benton Frederick Baugh
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for actuating a locking assembly
Patent number
11,702,902
Issue date
Jul 18, 2023
Schlumberger Technology Corporation
Jean-Luc Pujol
E21 - EARTH DRILLING MINING
Information
Patent Grant
BOP stump test apparatus
Patent number
11,668,155
Issue date
Jun 6, 2023
NXL TECHNOLOGIES INC.
Scott Sherman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Variable bore ram assembly
Patent number
11,668,154
Issue date
Jun 6, 2023
Raul Araujo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Kinetic ram having pressure relief device
Patent number
11,639,643
Issue date
May 2, 2023
Kinetic Pressure Control Ltd.
Steven Angstmann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Accumulator system
Patent number
11,624,254
Issue date
Apr 11, 2023
Schlumberger Technology Corporation
Christopher Nault
E21 - EARTH DRILLING MINING
Information
Patent Grant
Variable blowout preventer apparatus and method
Patent number
11,608,702
Issue date
Mar 21, 2023
National-Oilwell Varco, L.P.
Randall Ferrain Weaver
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer testing apparatus and method
Patent number
11,603,730
Issue date
Mar 14, 2023
National-Oilwell Varco, L.P.
Randall Ferrain Weaver
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular head for well tubulars
Patent number
11,585,181
Issue date
Feb 21, 2023
2170775 Alberta Ltd.
Clint Roger Sabatier
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotational drive system for a blowout preventer
Patent number
11,572,756
Issue date
Feb 7, 2023
Schlumberger Technology Corporation
Dinesh Kumar Dhamodaran
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve having protected, moveable seal and seal assembly therefor
Patent number
11,555,371
Issue date
Jan 17, 2023
National-Oilwell Varco, L.P.
Geoffrey A. Pickett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer and method
Patent number
11,549,327
Issue date
Jan 10, 2023
Malcolm Goff
E21 - EARTH DRILLING MINING
Information
Patent Grant
Alternative energy battery charging systems for well construction
Patent number
11,536,116
Issue date
Dec 27, 2022
Schlumberger Technology Corporation
Matthew Olson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer system and method
Patent number
11,459,844
Issue date
Oct 4, 2022
Hydril USA Distribution LLC
Ronny Moya
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer with a threaded ram
Patent number
11,371,309
Issue date
Jun 28, 2022
Schlumberger Technology Corporation
Nicolas Arteaga
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer shearing ram
Patent number
11,286,740
Issue date
Mar 29, 2022
Schlumberger Technology Corporation
Christopher Nault
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotating control device system with rams
Patent number
11,274,517
Issue date
Mar 15, 2022
Schlumberger Technology Corporation
Harold Tenorio
E21 - EARTH DRILLING MINING
Information
Patent Grant
Surface platform for use with surface bops and high-pressure risers
Patent number
11,203,909
Issue date
Dec 21, 2021
TRENDSETTER VULCAN OFFSHORE, INC.
James V. Maher
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Blowout preventer with choke and kill line pass through conduits
Patent number
11,174,696
Issue date
Nov 16, 2021
Schlumberger Technology Corporation
Matthew D. Givens
E21 - EARTH DRILLING MINING
Information
Patent Grant
Blowout preventer with dual function rams
Patent number
11,111,751
Issue date
Sep 7, 2021
Schlumberger Technology Corporation
Patrice Couren
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PACKER SYSTEM, AND PROCESS TO SETTLE AND RETRIEVE
Publication number
20250012166
Publication date
Jan 9, 2025
JP INTERNATIONA BUSINESS LLC
Jesus MALAVE
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE FOR CONNECTION OR RELEASE OF BOP RAM ACTUATOR
Publication number
20240384617
Publication date
Nov 21, 2024
Electrical Subsea & Drilling AS
Egil Eriksen
E21 - EARTH DRILLING MINING
Information
Patent Application
Modular Head for Well Tubulars
Publication number
20240368956
Publication date
Nov 7, 2024
2170775 ALBERTA LTD.
CLINT ROGER SABATIER
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATIC WELL KILLING SYSTEM
Publication number
20240328276
Publication date
Oct 3, 2024
Saudi Arabian Oil Company
Ahmed Abdulaziz AL-MOUSA
E21 - EARTH DRILLING MINING
Information
Patent Application
INTEGRATED COMPOSITE SEALS FOR RAM BODY
Publication number
20240271502
Publication date
Aug 15, 2024
Hydril USA Distribution LLC
Manuel Garibay
E21 - EARTH DRILLING MINING
Information
Patent Application
BOP PISTON BOOSTER AND BONNETT ASSEMBLY
Publication number
20240263534
Publication date
Aug 8, 2024
WORLDWIDE OILFIELD MACHINE, INC.
PRASHANT N AKHARE
E21 - EARTH DRILLING MINING
Information
Patent Application
LOCK SEQUENCING SYSTEM FOR A BLOWOUT PREVENTER
Publication number
20240240535
Publication date
Jul 18, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Pascal Berthaud
E21 - EARTH DRILLING MINING
Information
Patent Application
INTENSIFIER RAM BLOWOUT PREVENTER
Publication number
20240240536
Publication date
Jul 18, 2024
BOP Technologies, LLC
Herbert Jay Reed
E21 - EARTH DRILLING MINING
Information
Patent Application
RISER SYSTEM
Publication number
20240191587
Publication date
Jun 13, 2024
Bryce Elliott Randle
E21 - EARTH DRILLING MINING
Information
Patent Application
FORGED BOP INTERNAL CAVITY PROFILE FOR WORKOVER RIGS
Publication number
20240110455
Publication date
Apr 4, 2024
WORLDWIDE OILFIELD MACHINE, INC.
PRASHANT N AKHARE
E21 - EARTH DRILLING MINING
Information
Patent Application
REMOTE LOCKING SYSTEM FOR A BLOWOUT PREVENTER
Publication number
20240084663
Publication date
Mar 14, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Sebastien POVEDA
E21 - EARTH DRILLING MINING
Information
Patent Application
PACKER SYSTEM, AND PROCESS TO SETTLE AND RETRIEVE
Publication number
20240060387
Publication date
Feb 22, 2024
JP INTERNATIONAL BUSINESS LLC
Jesus MALAVE
E21 - EARTH DRILLING MINING
Information
Patent Application
Modular Head for Well Tubulars
Publication number
20230203906
Publication date
Jun 29, 2023
2170775 ALBERTA LTD.
CLINT ROGER SABATIER
E21 - EARTH DRILLING MINING
Information
Patent Application
STARTER ENGINE SYSTEM FOR A ROTARY LOCK
Publication number
20230203907
Publication date
Jun 29, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Jean-Luc PUJOL
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Pressure Control Ram Diverter
Publication number
20230131856
Publication date
Apr 27, 2023
Hughes Tool Company LLC
William James Hughes
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for retaining blowout preventer actuator bodies
Publication number
20230032825
Publication date
Feb 2, 2023
Benton Frederick Baugh
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for controlling pressure in blowout preventer ram seals
Publication number
20230030422
Publication date
Feb 2, 2023
Benton Frederick Baugh
E21 - EARTH DRILLING MINING
Information
Patent Application
INTEGRATED COMPOSITE SEALS FOR RAM BODY
Publication number
20220372830
Publication date
Nov 24, 2022
Baker Hughes Oilfield Operations LLC
Manuel Garibay
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH VELOCITY AND PRESSURE BOP RAM SEAL, RAM BODY, AND RAM SEAL ASS...
Publication number
20220307339
Publication date
Sep 29, 2022
Bellofram Acquisition II, LLC
Tyler Remington
E21 - EARTH DRILLING MINING
Information
Patent Application
PISTON AND GATE ASSEMBLY FOR KINETIC PRESSURE CONTROL APPARATUS RAM
Publication number
20220275697
Publication date
Sep 1, 2022
Kinetic Pressure Control, Ltd.
Billy J. Gallagher
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ACTUATING A LOCKING ASSEMBLY
Publication number
20220228455
Publication date
Jul 21, 2022
SCHLUMBERGER TECHNOLOGY CORPORATION
Jean-Luc Pujol
E21 - EARTH DRILLING MINING
Information
Patent Application
ALTERNATIVE ENERGY BATTERY CHARGING SYSTEMS FOR WELL CONSTRUCTION
Publication number
20220195848
Publication date
Jun 23, 2022
Cameron International Corporation
Matthew Olson
E21 - EARTH DRILLING MINING
Information
Patent Application
REMOTE LOCKING SYSTEM FOR A BLOWOUT PREVENTER
Publication number
20220136356
Publication date
May 5, 2022
SCHLUMBERGER TECHNOLOGY CORPORATION
Sebastien POVEDA
E21 - EARTH DRILLING MINING
Information
Patent Application
Annular Pressure Control Ram Diverter
Publication number
20220090462
Publication date
Mar 24, 2022
Hughes Tool Company LLC
William James Hughes
E21 - EARTH DRILLING MINING
Information
Patent Application
BOP STUMP TEST APPARATUS
Publication number
20220049567
Publication date
Feb 17, 2022
NEXUS ENERGY TECHNOLOGIES INC.
Scott SHERMAN
E21 - EARTH DRILLING MINING
Information
Patent Application
VARIABLE BLOWOUT PREVENTER APPARATUS AND METHOD
Publication number
20220010646
Publication date
Jan 13, 2022
National-Oilwell Varco, L.P.
Randall Ferrain Weaver
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS FOR ASSESSING THE RELIABILITY OF HYDRAULICALLY-ACTUATED DEV...
Publication number
20220003112
Publication date
Jan 6, 2022
TRANSOCEAN INNOVATION LABS LTD
Andrew Leach
E21 - EARTH DRILLING MINING
Information
Patent Application
DRIVE SYSTEM FOR A BLOWOUT PREVENTER
Publication number
20210381332
Publication date
Dec 9, 2021
Cameron International Corporation
Dinesh Kumar Dhamodaran
E21 - EARTH DRILLING MINING
Information
Patent Application
FRAC STACK WELL INTERVENTION
Publication number
20210355800
Publication date
Nov 18, 2021
Cameron International Corporation
Kirk P. Guidry
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS FOR ASSESSING THE RELIABILITY OF HYDRAULICALLY-ACTUATED DEV...
Publication number
20210317737
Publication date
Oct 14, 2021
TRANSOCEAN INNOVATION LABS LTD
Andrew Leach
E21 - EARTH DRILLING MINING