Patents-Review.com
ClassID:

135475 ⎘

E21B33/061 - CPC Classification

Classification description:

Sealing or packing boreholes or wells; Surface sealing or packing; Well heads; Setting-up thereof; Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers Ram-type blow-out preventers, e.g. with pivoting rams

Sub-classes:
Recent Application in this class:
#1
20260115877
2026-04-30

BLOWOUT PREVENTER RAM REMOVAL TOOL AND PROCESS, AND BLOWOUT PREVENTER INCLUDING A RAM REMOVAL TOOL

 #2
20260110232
2026-04-23

ELECTRIC ANNULAR BLOWOUT PREVENTER WITH RADIAL COMPRESSION OF PACKER

 #3
20260036011
2026-02-05

SYSTEM AND APPARATUS FOR BLOW OUT PREVENTER COMPONENTS AND STRING PROTECTION

 #4
20250283404
2025-09-11

DETECTION AND RECORDING OF BLOW OUT PREVENTER RAM OPERATIONS DURING RIG-LESS WELLBORE INTERVENTIONS

 #5
20250263997
2025-08-21

ELECTRIC ANNULAR BLOWOUT PREVENTER WITH RADIAL COMPRESSION OF PACKER

 #6
20250198250
2025-06-19

PILOT BLOCK SYSTEM TO LOCK A BLOWOUT PREVENTER STACK

 #7
20250129684
2025-04-24

ELECTRICALLY ACTUATED ANNULAR SYSTEM AND METHOD FOR USE IN BLOWOUT PREVENTER

 #8
20240418065
2024-12-19

Method for deploying a well pump on an electrical cable

 #9
20240368951
2024-11-07

Communicating with Blowout Preventer Control System

 #10
20240295154
2024-09-05

Communicating with Blowout Preventer Control System

 #11
20240229590
2024-07-11

ELECTRIC BLOWOUT PREVENTER BONNET USING LINEAR ACTUATED ROLLER SCREWS

 #12
20230313629
2023-10-05

Blowout preventer and components thereof

 #13
20230296000
2023-09-21

Safety valve for a fluid extraction well installation

 #14
20230123839
2023-04-20

Emergency disconnect system

 #15
20230117044
2023-04-20

BLOWOUT PREVENTER MULTI-TEST JOINT DEVICE, SYSTEM, AND METHOD FOR USING THE SAME

 #16
20230075775
2023-03-09

Automatic choking hydraulic shock reduction valve

 #17
20230057814
2023-02-23

AUTONOMOUS BLOWOUT PREVENTER

 #18
20230031246
2023-02-02

Method for autofrettage on a blowout preventer body

 #19
20220389784
2022-12-08

Electric blowout preventer bonnet using linear actuated roller screws

 #20
20220333728
2022-10-20

SYSTEM FOR LAUNCHING EQUIPMENT WITH A CABLE FOR INTERNALLY INSPECTING AND UNBLOCKING PRODUCTION, INJECTION AND DISTRIBUTION DUCTS

 #21
20220325595
2022-10-13

LOW PROFILE CONNECTION FOR PRESSURE CONTAINMENT DEVICES

 #22
20220282587
2022-09-08

Communicating with blowout preventer control system

 #23
20220098951
2022-03-31

Bottomhole assembly deployment

 #24
20220018209
2022-01-20

Annular pressure control diverter

 #25
20220010658
2022-01-13

Remote underwater robotic actuator

 #26
20210325915
2021-10-21

Pressure regulator for fluid hammer reduction

 #27
20210277739
2021-09-09

Blowout preventer with dual function rams

 #28
20210230960
2021-07-29

Fluid management systems and related methods of controlling fluid flow in oil and gas applications

 #29
20210079753
2021-03-18

Emergency disconnect system

 #30
20210071499
2021-03-11

Rapid response well control assembly

 #31
20210062605
2021-03-04

BLOWOUT PREVENTER SYSTEM AND METHOD

 #32
20200370380
2020-11-26

Tool positioning technique

 #33
20200362647
2020-11-19

Integrated Snubbing Operating Platform

 #34
20200240231
2020-07-30

Systems and methods for actuating hydraulically-actuated devices

 #35
20200217745
2020-07-09

Automated Bop Control and Test System

 #36
20200208488
2020-07-02

Blow out preventer bonnet handling apparatus and method

 #37
20200190967
2020-06-18

Image based inspection of well equipment

 #38
20200190963
2020-06-18

Image based inspection and automated inventory and supply chain management of well equipment

 #39
20200190959
2020-06-18

Monitoring rig activities

 #40
20200190938
2020-06-18

Valve for mineral extraction systems

 #41
20200116017
2020-04-16

Combined telemetry and control system for subsea applications

 #42
20200072013
2020-03-05

Ram block inner seal assembly and seal therefore

 #43
20200048979
2020-02-13

BOTTOMHOLE ASSEMBLY DEPLOYMENT

 #44
20200040690
2020-02-06

Rotating control device having locking pins for locking a bearing assembly

 #45
20200040689
2020-02-06

Rotating control device having a locking block system

 #46
20200040688
2020-02-06

Rotating control device having an anti-rotation locking system

 #47
20190345788
2019-11-14

BOP health monitoring system and method

 #48
20190338614
2019-11-07

EXPLOSIVE DISCONNECT

 #49
20190309581
2019-10-10

ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD

 #50
20190301635
2019-10-03

Subsea shut-off device

 #51
20190271225
2019-09-05

BOP elastomer health monitoring

 #52
20190226297
2019-07-25

Modular Blowout Preventer Control System

 #53
20190100988
2019-04-04

Pipe tally vision system

 #54
20190093441
2019-03-28

Adjustable blowout preventer and methods of use

 #55
20190093438
2019-03-28

Blowout preventer with choke and kill line pass through conduits

 #56
20190071962
2019-03-07

SUBSEA ACOUSTIC POWER SYSTEMS AND METHODS

 #57
20190032437
2019-01-31

Systems and method for retrievable subsea blowout preventer stack modules

 #58
20190025152
2019-01-24

Automated bop control and test system

 #59
20180347710
2018-12-06

Blowout preventer having rotation-operated portion

 #60
20180298747
2018-10-18

SYSTEM AND METHOD FOR MONITORING POSITIONS OF PIPE JOINTS IN PRODUCTION SYSTEM

 #61
20180283126
2018-10-04

Ram for a blowout preventer and a blowout preventer provided with rams

 #62
20180283110
2018-10-04

Multi-level deck system for blowout preventers

 #63
20180223882
2018-08-09

Flow responsiveness enhancer for a blowout preventer

 #64
20180195380
2018-07-12

APPARATUS AND METHOD FOR SENSING A PIPE COUPLER WITHIN AN OIL WELL STRUCTURE

 #65
20180195361
2018-07-12

Wellhead assembly with integrated tubing rotator

 #66
20180187495
2018-07-05

Method of using a rotating and reciprocating swivel apparatus

 #67
20180149016
2018-05-31

Apparatus and method for preventing collisions while moving tubulars into and out of a wellhead

 #68
20180112655
2018-04-26

Subsea multipiston pump module and subsea multistage pump

 #69
20180100379
2018-04-12

Process and system for killing a well through the use of relief well injection spools

 #70
20180094500
2018-04-05

Vehicle mounted blowout preventor equipment

 #71
20180087341
2018-03-29

Inverted pipe ram protection system

 #72
20180080301
2018-03-22

Configurable bop stack

 #73
20180066493
2018-03-08

Systems and methods for actuating hydraulically-actuated devices

 #74
20180038187
2018-02-08

Modular blowout preventer control system

 #75
20180030801
2018-02-01

Sharable deployment bars with multiple passages and cables

 #76
20170362910
2017-12-21

Systems and methods for monitoring a running tool

 #77
20170328152
2017-11-16

Drilling fluid measurement system

 #78
20170314386
2017-11-02

Acoustic detection of drill pipe connections

 #79
20170314358
2017-11-02

Blowout preventer with wide flange body

 #80
20170314339
2017-11-02

Drill string element and detachable driving element

 #81
20170284170
2017-10-05

Riser annular isolation device

 #82
20170207731
2017-07-20

Piezoelectric generator for hydraulic systems

 #83
20170204695
2017-07-20

SELF HEALING BLOWOUT PREVENTER SEALS AND PACKERS

 #84
20170159391
2017-06-08

Variable ram packer for blowout preventer

 #85
20170139392
2017-05-18

Automated reel control console

 #86
20170130562
2017-05-11

Seals with embedded sensors

 #87
20170130549
2017-05-11

Blowout preventer including shear body

 #88
20170130546
2017-05-11

Remotely operated external tieback connector

 #89
20170101831
2017-04-13

Rotating and reciprocating swivel apparatus and method

 #90
20170097100
2017-04-06

Latching poppet valve

 #91
20170089163
2017-03-30

Methods and systems for monitoring a blowout preventor

 #92
20170075364
2017-03-16

Shuttle valve with durable soft seal

 #93
20170058632
2017-03-02

RISERLESS WELL SYSTEMS AND METHODS

 #94
20170037695
2017-02-09

Anti-extrusion ram seal for blowout preventer

 #95
20170016286
2017-01-19

METHOD OF INSTALLING COILED TUBING WITH A PLURALITY OF INTEGRATED LARGE DIAMETER EXTERNAL ASSEMBLIES

 #96
20170009548
2017-01-12

Blowout preventer test joint assembly for testing variable bore rams, shear rams and annulars

 #97
20160377194
2016-12-29

Boltless ram blowout preventer bonnet

 #98
20160327447
2016-11-10

Automated blowout preventer control and testing system

 #99
20160326826
2016-11-10

Emergency power system for blowout preventer of a petroleum apparatus

 #100
20160319623
2016-11-03

Pressure assisted blowout preventer

 #101
20160312602
2016-10-27

Apparatus and method for measuring a pipe within an oil well structure

 #102
20160312565
2016-10-27

Autonomous blowout preventer

 #103
20160301331
2016-10-13

Piezoelectric generator for hydraulic systems

 #104
20160273296
2016-09-22

Closure apparatus

 #105
20160245035
2016-08-25

ASSEMBLING A PERFORATING GUN STRING WITHIN A CASING STRING

 #106
20160222750
2016-08-04

Blowout preventer test joint assembly, for testing variable bore rams, shear rams, and annulars

 #107
20160215608
2016-07-28

Fluid monitoring systems and methods

 #108
20160201420
2016-07-14

Control pod for blowout preventer system

 #109
20160179106
2016-06-23

PRESSURE REGULATOR FOR FLUID HAMMER REDUCTION

 #110
20160160599
2016-06-09

Variable ram packer with strain reduction features

 #111
20160160598
2016-06-09

Method of closing a blowout preventer seal based on seal erosion

 #112
20160153258
2016-06-02

Apparatus and method to contain flange, pipe and valve leaks

 #113
20160109874
2016-04-21

High pressure blowout preventer system

 #114
20160097250
2016-04-07

Blind shear ram

 #115
20160090809
2016-03-31

Scissor-mechanism closing rams of blow out preventors

 #116
20160010418
2016-01-14

Subsea pressure reduction system

 #117
20150275654
2015-10-01

Subsea dummy run elimination assembly and related method utilizing a logging assembly

 #118
20150275610
2015-10-01

Rod hang-off system

 #119
20150252644
2015-09-10

SUBSEA CONNECTOR SYSTEM

 #120
20150240625
2015-08-27

Apparatus and method for sensing a pipe coupler within an oil well structure

 #121
20150167417
2015-06-18

Pressure assisted blowout preventer

 #122
20150152705
2015-06-04

Blowout preventer status assembly

 #123
20150144814
2015-05-28

BLOWOUT PREVENTER WITH PRESSURE-ISOLATED OPERATING PISTON ASSEMBLY

 #124
20150083952
2015-03-26

Petal control valve for separable connection units for flexible hoses

 #125
20150083943
2015-03-26

Quadruple RAM BOP

 #126
20140209320
2014-07-31

Portable ram block changer

 #127
20140190702
2014-07-10

Subsea connection apparatus for a surface blowout preventer stack

 #128
20140183382
2014-07-03

DUAL COMPOUND VARIABLE RAM PACKER

 #129
20140124211
2014-05-08

Subsea pump system

 #130
20140110610
2014-04-24

Advanced blow-out preventer

 #131
20140069531
2014-03-13

Blowout preventer status assembly

 #132
20140034337
2014-02-06

Capping stack and method for controlling a wellbore

 #133
20140021381
2014-01-23

Blowout preventer with pressure-isolated operating piston assembly

 #134
20130313449
2013-11-28

Blowout preventer ram assembly and method of using same

 #135
20130283917
2013-10-31

System and method for position monitoring using ultrasonic sensor

 #136
20130264502
2013-10-10

Blowout preventer locking door assembly and method of using same

 #137
20130181147
2013-07-18

BLOWOUT PREVENTER WITH PORT FOR ENTRY BETWEEN CASING AND TUBING STRING AND/OR PORT FOR ENTRY INTO TUBING STRING

 #138
20130098628
2013-04-25

Subsea pressure reduction system

 #139
20120199360
2012-08-09

Subsea connection apparatus for a surface blowout preventer stack

 #140
20120088134
2012-04-12

Thermal battery for power systems

 #141
20110155394
2011-06-30

Lifting device and method for lifting a bonnet

 #142
20110030943
2011-02-10

Portable ram block changer

 #143
20100294482
2010-11-25

Variable bore packer for a blowout preventer

 #144
20100288504
2010-11-18

Subsea connection apparatus for a surface blowout preventer stack

 #145
20100102263
2010-04-29

Recessed cutting edge for wire cutting gate valves

 #146
20080196888
2008-08-21

Ram BOP position sensor

 #147
20080017814
2008-01-24

Pressure energized radial seal

 #148
20060102359
2006-05-18

Apparatus and method for sealing a wellbore

 #149
18792397
2026-02-03

System and apparatus for blow out preventer components and string protection

 #150
18491042
2024-11-26

Electrically actuated annular system and method for use in blowout preventer

 #151
17486006
2022-12-13

Blowout preventer closing circuit

 #152
16111944
2019-07-02

Well pipe guide spool

 #153
15093357
2019-05-21

Rotating and reciprocating swivel apparatus and method