Patents-Review.com
ClassID:

135523 ⎘

E21B34/04 - CPC Classification

Classification description:

Valve arrangements for boreholes or wells in well heads in underwater well heads

Sub-classes:
Recent Application in this class:
#1
20260153152
2026-06-04

Deep-Sea Valve

 #2
20260036017
2026-02-05

SUBSEA VALVE ACTUATION SYSTEM

 #3
20250382852
2025-12-18

SUBSEA VALVE ACTUATOR ASSEMBLY

 #4
20250369530
2025-12-04

LOCKING NUT AND ASSEMBLY THEREFOR

 #5
20250369301
2025-12-04

BACK PRESSURE VALVE RETRIEVAL TOOL AND METHODS OF USE

 #6
20250364608
2025-11-27

Subsea Christmas Tree Comprising a Control and Battery Module and Related Method

 #7
20250341144
2025-11-06

SYSTEMS AND METHODS FOR FLUID PRESSURE CONTROL

 #8
20250334015
2025-10-30

Subsea Christmas Tree Comprising a Control and Battery Module and Related Method

 #9
20250264002
2025-08-21

Electrical Actuation of a Valve in a Wellhead Assembly

 #10
20250243944
2025-07-31

MAGNETICALLY ACTUATED GATE VALVE

 #11
20250146385
2025-05-08

SUBSEA ACTUATOR AND ASSOCIATED METHODS

 #12
20250092752
2025-03-20

LIGHTWEIGHT FLOW MODULE

 #13
20250075800
2025-03-06

Reduced Stroke Gate Valve

 #14
20250059851
2025-02-20

Integrated Injection System

 #15
20250043647
2025-02-06

ELECTRICALLY ACTUATED ACCESS MODULE SYSTEMS AND METHODS

 #16
20240318745
2024-09-26

SUBSEA TREE VALVE TESTING

 #17
20240309722
2024-09-19

Delivering fluid to a subsea wellhead

 #18
20240254858
2024-08-01

Valve Operating Device and Method of Overriding a Malfunctioning Valve Operating Device

 #19
20240229592
2024-07-11

Modular control systems with umbilical deployment

 #20
20240209709
2024-06-27

Electrical Drilling and Production Systems and Methods

 #21
20240035349
2024-02-01

Electric actuator bus system

 #22
20240011388
2024-01-11

Flow measuring and monitoring apparatus for a subsea tree

 #23
20240003473
2024-01-04

Pure electric modular subsea test tree

 #24
20230399907
2023-12-14

Magnetically coupled subsurface choke

 #25
20230392492
2023-12-07

SYSTEM AND METHOD FOR AN AUTOMATED SUBSEA TESTING UNIT

 #26
20230383617
2023-11-30

Lightweight flow module

 #27
20230332477
2023-10-19

Electrical drilling and production systems and methods

 #28
20230234098
2023-07-27

COATED FLUID HANDLING COMPONENTS AND METHODS FOR PROTECTING AND EXTENDING THE SERVICE LIFE OF FLUID HANDLING COMPONENTS

 #29
20230234097
2023-07-27

COATED FLUID HANDLING COMPONENTS AND METHODS FOR PROTECTING AND EXTENDING THE SERVICE LIFE OF FLUID HANDLING COMPONENTS

 #30
20230182170
2023-06-15

Methods for providing flexible and/or elastic coatings on oilfield operational components

 #31
20230175351
2023-06-08

Electrical actuation of a valve in a wellhead assembly

 #32
20230173539
2023-06-08

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #33
20230166290
2023-06-01

Methods for preparing coating compositions for protecting oilfield operational components

 #34
20230138273
2023-05-04

Modified riser joints for subsea managed pressure operations

 #35
20230135617
2023-05-04

Pressure management sub-systems for subsea managed pressure operations

 #36
20230130315
2023-04-27

METHANE HYDRATE PRODUCTION EQUIPMENT AND METHOD

 #37
20230111005
2023-04-13

Self-propelled valve actuator on a rail transport system for manifolds and subsea trees

 #38
20230078342
2023-03-16

Delivering fluid to a subsea wellhead

 #39
20230069130
2023-03-02

Methods for providing flexible and/or elastic coatings on oilfield operational components

 #40
20230036632
2023-02-02

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #41
20220381111
2022-12-01

Control system for a well control device

 #42
20220380624
2022-12-01

Methods for preparing coating compositions for protecting oilfield operational components

 #43
20220347720
2022-11-03

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #44
20220341312
2022-10-27

Flow measuring and monitoring apparatus for a subsea tree

 #45
20220288635
2022-09-15

Methods for preparing coating compositions for protecting oilfield operational components

 #46
20220243549
2022-08-04

Annulus isolation device

 #47
20220213760
2022-07-07

SUBSEA BOP CONTROL SYSTEM

 #48
20220195825
2022-06-23

Systems and methods for retrievable hydraulic quick dump retrofit modules for electro-hydraulic subsea production systems

 #49
20220176406
2022-06-09

Methods for preparing coating compositions for protecting oilfield operational components

 #50
20220162923
2022-05-26

Smart subsea control module

 #51
20220145720
2022-05-12

CHRISTMAS TREE ASSEMBLY WITH HIGH INTEGRITY PIPELINE PROTECTION SYSTEM

 #52
20220055068
2022-02-24

Methods for preparing coating compositions for protecting oilfield operational components

 #53
20220018214
2022-01-20

Barrier arrangement in wellhead assembly

 #54
20220010676
2022-01-13

System and method of intelligent electrical completion in reservoirs that allow open-hole completion

 #55
20220003073
2022-01-06

Gate valve assembly for a subsea workover system

 #56
20210396100
2021-12-23

Method and apparatus for temporary injection using a dynamically positioned vessel

 #57
20210363850
2021-11-25

Apparatuses and methods for coupling one or more auxiliary lines to a subsea well control assembly

 #58
20210324234
2021-10-21

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #59
20210324233
2021-10-21

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #60
20210317734
2021-10-14

Methods for protecting oilfield operational components from damage from fluid flow

 #61
20210317333
2021-10-14

Coated oilfield operational components and methods for protecting and extending the service life of oilfield operational components

 #62
20210317322
2021-10-14

Coated fluid handling components and methods for protecting and extending the service life of fluid handling components

 #63
20210316333
2021-10-14

Methods for providing flexible and/or elastic coatings on oilfield operational components

 #64
20210316332
2021-10-14

Coating and methods for extending service life of oilfield operational components

 #65
20210310583
2021-10-07

Soft shift SPM valve

 #66
20210310327
2021-10-07

Subsea test tree assembly

 #67
20210301618
2021-09-30

Systems and processes for subsea managed pressure operations

 #68
20210277746
2021-09-09

INSTRUMENTATION SYSTEM FOR DETERMINING RISK FACTORS

 #69
20210262309
2021-08-26

Flow control module

 #70
20210238943
2021-08-05

Systems and methods for retrievable hydraulic quick dump retrofit modules for electro-hydraulic subsea production systems

 #71
20210198969
2021-07-01

Lightweight flow module

 #72
20210190099
2021-06-24

Electrohydraulic system for use under water, comprising an electrohydraulic actuator

 #73
20210189827
2021-06-24

Delivering fluid to a subsea wellhead

 #74
20210156236
2021-05-27

Well stimulation operations

 #75
20210148192
2021-05-20

BALL VALVE CAPPING STACK

 #76
20210108479
2021-04-15

SYSTEM FOR HYDROCARBON RECOVERY

 #77
20210087901
2021-03-25

Injecting fluid into a hydrocarbon production line or processing system

 #78
20210071499
2021-03-11

Rapid response well control assembly

 #79
20210040815
2021-02-11

Electrohydraulic quick union for subsea landing string

 #80
20200399980
2020-12-24

Manifold and fluid flow control

 #81
20200399971
2020-12-24

Compact over pull-push stroking tool

 #82
20200378208
2020-12-03

Controlling subsea apparatus

 #83
20200370387
2020-11-26

Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the same

 #84
20200355038
2020-11-12

Method and apparatus for oil and gas operations

 #85
20200248724
2020-08-06

Modular single header manifold

 #86
20200248522
2020-08-06

Subsea wellhead system with flexible operation

 #87
20200224510
2020-07-16

Modular vertical wet christmas tree, installation method and intervention method thereof

 #88
20200208486
2020-07-02

Tubing hanger installation tool

 #89
20200190939
2020-06-18

Fault-Tolerant Pressure Relief System for Drilling

 #90
20200182367
2020-06-11

Low friction hydraulic circuit control components

 #91
20200182004
2020-06-11

Systems and methods for retrievable hydraulic quick dump retrofit modules for electro-hydraulic subsea production systems

 #92
20200165898
2020-05-28

Flow control assembly

 #93
20200158259
2020-05-21

FLOW CONTROL ASSEMBLY FOR SUBSEA APPLICATIONS

 #94
20200158140
2020-05-21

Electrohydraulic system for use under water, comprising an electrohydraulic actuator

 #95
20200123868
2020-04-23

Lightweight flow module

 #96
20200123867
2020-04-23

Flow control module

 #97
20200115982
2020-04-16

Fluid control system

 #98
20200102802
2020-04-02

Subsea wellhead monitoring and controlling

 #99
20200095843
2020-03-26

Electric safety valve with annulus/section pressure activation

 #100
20200080657
2020-03-12

Subsea bop control system with dual-action check valve

 #101
20200063520
2020-02-27

Wellhead arrangement and method

 #102
20200063517
2020-02-27

Arrangement for providing a flowable solidifier into a subsea hydrocarbon well

 #103
20200032607
2020-01-30

WELL REENTRY

 #104
20200018134
2020-01-16

Particular relating to subsea well construction

 #105
20200011152
2020-01-09

Subterranean Valve Testing, Lubricating, and Sealing Device

 #106
20190352967
2019-11-21

Universal vane actuator system with corner seals and differential rotation mechanisms

 #107
20190330960
2019-10-31

ROV hot-stab with integrated sensor

 #108
20190330952
2019-10-31

Apparatus for subsea equipment

 #109
20190330951
2019-10-31

Protective cap assembly for subsea equipment

 #110
20190284901
2019-09-19

Ultra-compact subsea tree

 #111
20190226590
2019-07-25

Subsea control valve

 #112
20190226296
2019-07-25

Electrical drilling and production systems and methods

 #113
20190218881
2019-07-18

Method and apparatus for oil and gas operations

 #114
20190177245
2019-06-13

Pyrotechnic pressure generator

 #115
20190169983
2019-06-06

Subsea isolation sleeve system

 #116
20190162329
2019-05-30

System and methodology for indicating position

 #117
20190145256
2019-05-16

Method of detecting methane in the bore of a blowout preventer stack

 #118
20190145196
2019-05-16

Subsea system with landing indication

 #119
20190120050
2019-04-25

Fluid properties measurement using choke valve system

 #120
20190120010
2019-04-25

Subsea tree and methods of using the same

 #121
20190113146
2019-04-18

Subsea BOP control system with dual-action check valve

 #122
20190112893
2019-04-18

Fluid tolerant subsea manifold system

 #123
20190085651
2019-03-21

Subsea electric actuator system

 #124
20190044256
2019-02-07

Connector assembly

 #125
20190040706
2019-02-07

Subsea tree override tool apparatus and method

 #126
20190032437
2019-01-31

Systems and method for retrievable subsea blowout preventer stack modules

 #127
20190017341
2019-01-17

Chemical deepwater stimulation systems and methods

 #128
20180355697
2018-12-13

Annulus access valve

 #129
20180328510
2018-11-15

Subsea BOP control system with dual-action check valve

 #130
20180283124
2018-10-04

System for hydrocarbon recovery

 #131
20180258961
2018-09-13

Gas generator driven hydraulic accumulator

 #132
20180245425
2018-08-30

Moving-rotating linear covering tool

 #133
20180230768
2018-08-16

Subsea safety node

 #134
20180223635
2018-08-09

Chemical injection with subsea production flow boost pump

 #135
20180223619
2018-08-09

Subsea system and methodology utilizing production receptacle structure

 #136
20180202253
2018-07-19

Subsea pressure reduction manifold

 #137
20180195362
2018-07-12

Improved Pressure Barrier System

 #138
20180187513
2018-07-05

Annulus isolation valve assembly

 #139
20180187505
2018-07-05

Cartridge valve assembly for wellhead

 #140
20180179847
2018-06-28

Modular manifold system for an electrohydraulic control system

 #141
20180171759
2018-06-21

SYSTEMS AND METHODS FOR STARTING, RESTARTING, MONITORING, AND INCREASING PERFORMANCE OF A PRODUCTION AND/OR INJECTION SYSTEM

 #142
20180163522
2018-06-14

Fluid injection system

 #143
20180156004
2018-06-07

INTEGRATED WELL SYSTEM ASSET AND HIGH INTEGRITY PRESSURE PROTECTION

 #144
20180135375
2018-05-17

Christmas tree

 #145
20180135366
2018-05-17

Heave compensated managed pressure drilling

 #146
20180119856
2018-05-03

Joint made of shape memory alloy and uses thereof

 #147
20180119516
2018-05-03

Fluid flow control systems and methods

 #148
20180119513
2018-05-03

Tubular wellhead assembly

 #149
20180112527
2018-04-26

Apparatus, systems and methods for oil and gas operations

 #150
20180112511
2018-04-26

Fluid injection system

 #151
20180106135
2018-04-19

CHEMICAL INJECTION WITH SUBSEA PRODUCTION FLOW BOOST PUMP

 #152
20180106123
2018-04-19

Apparatuses and methods for coupling one or more auxiliary lines to a subsea well control assembly

 #153
20180100379
2018-04-12

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

 #154
20180073652
2018-03-15

Low friction hydraulic circuit control components

 #155
20180058166
2018-03-01

Early production system for deep water application

 #156
20180058165
2018-03-01

Early production system for deep water application

 #157
20180045039
2018-02-15

Underwater hydrocarbon extraction facility

 #158
20180038195
2018-02-08

Deployment valves operable under pressure

 #159
20180038190
2018-02-08

METHOD AND APPARATUS TO EFFECT INJECTION OF FLUIDS INTO A SUBSEA HORIZONTAL TREE

 #160
20180023716
2018-01-25

Subsea BOP control system with dual-action check valve

 #161
20180017172
2018-01-18

DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION

 #162
20180010420
2018-01-11

Flow control assembly

 #163
20170370482
2017-12-28

SUB-PLATE MOUNTED VALVE

 #164
20170362909
2017-12-21

High-integrity pressure protection system Christmas tree

 #165
20170350208
2017-12-07

Load transfer profile

 #166
20170321517
2017-11-09

System for manipulating subsea equipment and controlling a subsea barrier system

 #167
20170306720
2017-10-26

Well tree hub and interface for retrievable processing modules

 #168
20170292538
2017-10-12

Gas generator driven hydraulic pressure supply systems

 #169
20170254169
2017-09-07

Subsea tree and methods of using the same

 #170
20170227021
2017-08-10

Electrohydraulic system for use under water, and process valve having an electrohydraulic system of said type

 #171
20170218719
2017-08-03

Relief well injection spool apparatus and method for killing a blowing well

 #172
20170211354
2017-07-27

Connection system for subsea flow interface equipment

 #173
20170211350
2017-07-27

Production assembly with integrated flow meter

 #174
20170183956
2017-06-29

System and methodology using annulus access valve

 #175
20170152723
2017-06-01

Landing string

 #176
20170145810
2017-05-25

SYSTEM AND METHODOLOGY FOR ESTABLISHING A FATIGUE LIFE OF A SUBSEA LANDING STRING

 #177
20170138152
2017-05-18

Valve apparatus

 #178
20170138151
2017-05-18

Apparatus and method for monitoring valve operation

 #179
20170138146
2017-05-18

Apparatus and method for recovering fluids from a well and/or injecting fluids into a well

 #180
20170138141
2017-05-18

Direct hydraulic rapid response module apparatus and method

 #181
20170130562
2017-05-11

Seals with embedded sensors

 #182
20170130556
2017-05-11

Double valve block and actuator assembly including same

 #183
20170114808
2017-04-27

Rotary actuator

 #184
20170102085
2017-04-13

Subsea BOP control system with dual-action check valve

 #185
20170102084
2017-04-13

Cage valve with flow trim for reduced port erosion

 #186
20170101839
2017-04-13

Powered subsea tool assembly, to reinstate the intended functionality of a subsea tree valve actuator

 #187
20170089182
2017-03-30

Subsea system and method for high pressure high temperature wells

 #188
20170089169
2017-03-30

Riser isolation device having automatically operated annular seal

 #189
20170074067
2017-03-16

Systems and methods for monitoring blowout preventer equipment

 #190
20170067310
2017-03-09

VERTICAL XMAS TREE AND WORKOVER ASSEMBLY

 #191
20170022775
2017-01-26

Stinger with metal c-ring seal

 #192
20170016302
2017-01-19

Subsea well assembly and assoicated method

 #193
20160376866
2016-12-29

OILFIELD APPARATUS AND METHODS OF USE

 #194
20160369613
2016-12-22

Fluid injection system

 #195
20160341029
2016-11-24

Monitoring hydrocarbon fluid flow

 #196
20160341014
2016-11-24

In-riser power generation

 #197
20160319623
2016-11-03

Pressure assisted blowout preventer

 #198
20160312563
2016-10-27

Propellant energy to operate subsea equipment

 #199
20160298409
2016-10-13

High-Strength Blowout Preventer Shearing Ram and Connecting Rod

 #200
20160290097
2016-10-06

Subsea protection system

 #201
20160265672
2016-09-15

DIVERTER VALVE

 #202
20160258247
2016-09-08

Vertical subsea tree annulus and controls access

 #203
20160245425
2016-08-25

Actuator for a valve

 #204
20160245036
2016-08-25

SUBSEA ACTUATOR REMEDIATION TOOL

 #205
20160230492
2016-08-11

Riser gas handling system

 #206
20160222745
2016-08-04

Chemical deepwater stimulation systems and methods

 #207
20160215587
2016-07-28

Deep water drilling riser pressure relief system

 #208
20160215584
2016-07-28

Valve assembly

 #209
20160186892
2016-06-30

Valve assembly with cage and flow control assembly

 #210
20160186891
2016-06-30

Valve assembly with cage and flow control assembly

 #211
20160186877
2016-06-30

Valve assembly

 #212
20160186876
2016-06-30

Valve assembly

 #213
20160186869
2016-06-30

Valve assembly

 #214
20160177649
2016-06-23

Subsea completion with crossover passage

 #215
20160168940
2016-06-16

Emergency wellbore intervention system

 #216
20160160613
2016-06-09

Connection system for subsea flow interface equipment

 #217
20160160605
2016-06-09

Configurable subsea tree master valve block

 #218
20160160604
2016-06-09

Configurable subsea tree master valve block

 #219
20160102519
2016-04-14

Emergency valve assembly for extraction wells, well equipped with said valve and process for managing an extraction well with said valve under emergency conditions

 #220
20160076334
2016-03-17

TOPSIDE PRESSURE PROTECTION SYSTEM

 #221
20160047192
2016-02-18

Double valve block and actuator assembly including same

 #222
20160024887
2016-01-28

System for controlling temperature of subsea equipment

 #223
20160024880
2016-01-28

Subsea safety valve system

 #224
20160024879
2016-01-28

Fluid stabbing dog

 #225
20160017683
2016-01-21

Method and apparatus for subsea well plug and abandonment operations

 #226
20160003001
2016-01-07

Subsea valve

 #227
20150376973
2015-12-31

Tunable floating seal insert

 #228
20150369001
2015-12-24

Gate Valve Rotary Actuator

 #229
20150368999
2015-12-24

Advanced automated control system for minimizing slugging

 #230
20150330194
2015-11-19

Downhole Equipment Suspension and Power System Background

 #231
20150322743
2015-11-12

Self-regulating surplussing check valve

 #232
20150308222
2015-10-29

Self-regulating flow control device

 #233
20150292291
2015-10-15

Method and apparatus for oil and gas operations

 #234
20150275608
2015-10-01

Horizontal vertical deepwater tree

 #235
20150260003
2015-09-17

Sub-sea chemical injection metering valve

 #236
20150252644
2015-09-10

SUBSEA CONNECTOR SYSTEM

 #237
20150211331
2015-07-30

RETRIEVABLE FLOW MODULE UNIT

 #238
20150204155
2015-07-23

Dual barrier open water well completion systems

 #239
20150191994
2015-07-09

Tubing hanger with rotary disc valve

 #240
20150184461
2015-07-02

Subsea drilling with casing

 #241
20150176353
2015-06-25

Bore selection apparatus

 #242
20150167417
2015-06-18

Pressure assisted blowout preventer

 #243
20150136411
2015-05-21

Slug mitigation system for subsea pipelines and risers

 #244
20150136409
2015-05-21

Well intervention tool and method

 #245
20150129233
2015-05-14

Assembly and system including a surge relief valve

 #246
20150114658
2015-04-30

Oilfield apparatus and methods of use

 #247
20150101822
2015-04-16

Subsea differential-area accumulator

 #248
20150090461
2015-04-02

Detachable capping device and method for an oil/gas well under blowout conditions

 #249
20150083431
2015-03-26

Recovery valve

 #250
20150060078
2015-03-05

Subsea drilling with casing

 #251
20150053412
2015-02-26

Vertical completion system including tubing hanger with valve

 #252
20150053281
2015-02-26

DLC-coated gate valve in petroleum production or water injection

 #253
20150041143
2015-02-12

Apparatus for controlling injection pressure in offshore enhanced oil recovery

 #254
20150034384
2015-02-05

Method of and apparatus for drilling a subterranean wellbore

 #255
20150034338
2015-02-05

Wellhead pressure plug

 #256
20150034326
2015-02-05

System and method for managing heave pressure from a floating rig

 #257
20150027730
2015-01-29

Well tree hub and interface for retrievable processing modules

 #258
20150013990
2015-01-15

Double valve block and actuator assembly including same

 #259
20140352971
2014-12-04

Solenoid-operated valve

 #260
20140332226
2014-11-13

Apparatus and method for recovering fluids from a well and/or injecting fluids into a well

 #261
20140332224
2014-11-13

Dual barrier open water completion

 #262
20140332222
2014-11-13

Connection system for subsea flow interface equipment

 #263
20140326459
2014-11-06

Sealable wellsite valve and method of using same

 #264
20140299328
2014-10-09

Subsea wellhead assembly, a subsea installation using said wellhead assembly, and a method for completing a wellhead assembly

 #265
20140262312
2014-09-18

Sliding sleeve bypass valve for well treatment

 #266
20140262308
2014-09-18

Supercharging pressure in a subsea well system

 #267
20140262306
2014-09-18

Subsea test adaptor for calibration of subsea multi-phase flow meter during initial clean-up and test and methods of using same

 #268
20140251633
2014-09-11

Subsea well intervention system and methods

 #269
20140238687
2014-08-28

Apparatus and method for recovering fluids from a well and/or injecting fluids into a well

 #270
20140231092
2014-08-21

Annular pressure relief system

 #271
20140209313
2014-07-31

Mechanical filter for acoustic telemetry repeater

 #272
20140191144
2014-07-10

Separator for mechanically separating an actuator and an operator

 #273
20140182859
2014-07-03

Process, device, and system to cap and seal oil and gas in a riser pipe

 #274
20140174755
2014-06-26

VALVE

 #275
20140174751
2014-06-26

System and method for high speed hydraulic actuation

 #276
20140131606
2014-05-15

Dummy undersea hydraulic coupling member

 #277
20140131048
2014-05-15

Method and device for supply of liquids for kill and scale to a subsea well

 #278
20140124209
2014-05-08

Gate valve

 #279
20140124058
2014-05-08

Control mechanism for subsurface safety valve

 #280
20140116716
2014-05-01

Spool module

 #281
20140084199
2014-03-27

Valve stem seal arrangement

 #282
20140048278
2014-02-20

Subsea well assembly and associated method

 #283
20140020906
2014-01-23

Cartridge valve assembly for wellhead

 #284
20140014356
2014-01-16

Gate valve assembly

 #285
20140008054
2014-01-09

Control and supply unit

 #286
20130333894
2013-12-19

Subsea actuation system

 #287
20130233562
2013-09-12

Blowout preventer assembly

 #288
20130220628
2013-08-29

High-pressure cap equalization valve

 #289
20130214189
2013-08-22

Ball valve enclosure and drive mechanism

 #290
20130206420
2013-08-15

Retrievable flow module unit

 #291
20130199615
2013-08-08

System for controlling temperature of subsea equipment

 #292
20130168101
2013-07-04

VERTICAL SUBSEA TREE ASSEMBLY CONTROL

 #293
20130161020
2013-06-27

Apparatus and method for recovering fluids from a well and/or injecting fluids into a well

 #294
20130153242
2013-06-20

IN-RISER POWER GENERATION

 #295
20130153241
2013-06-20

BLOW OUT PREVENTER (BOP) CORROBORATOR

 #296
20130146303
2013-06-13

Subsea operating valve connectable to low pressure recipient

 #297
20130098633
2013-04-25

RECOVERABLE PRODUCTION MODULE FOR USE WITH A PRODUCTION TREE

 #298
20130032361
2013-02-07

Recovery valve

 #299
20130014935
2013-01-17

Control and supply unit

 #300
20130008715
2013-01-10

Double valve block and actuator assembly including same