ClassID:

135586

E21B43/013 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations Connecting a production flow line to an underwater well head

Sub-classes:
Recent Application in this class:
#1
20260146515
2026-05-28

REVERSE FLOW SELECTOR SYSTEM IN UMBILICAL

#2
20260146512
2026-05-28

APPARATUS, SYSTEMS AND METHODS FOR OIL AND GAS OPERATIONS

#3
20260110237
2026-04-23

Subsea Pipe With Integrated Filter

#4
20260043315
2026-02-12

Remote Well Stimulation Method

#5
20250264006
2025-08-21

Untethered And Autonomous Well Intervention Vehicle

#6
20250179896
2025-06-05

SUBSEA JUMPER WITH INTEGRATED FILTER

#7
20250164023
2025-05-22

OVERPRESSURE VALVE SYSTEM FOR A SUBSEA MANIFOLD

#8
20250146368
2025-05-08

Subsea Umbilicals

#9
20250092752
2025-03-20

LIGHTWEIGHT FLOW MODULE

#10
20240368947
2024-11-07

Methods for installing risers in a fluid injection system

#11
20240344431
2024-10-17

Sea floor automatic well intervention

#12
20240159117
2024-05-16

Fluid injection system and related methods

#13
20240026757
2024-01-25

Compact dual header manifold layout

#14
20240026756
2024-01-25

OIL AND GAS INDUSTRY GOOSENECK MANUFACTURED BY HOT ISOSTATIC PRESSING AND A FLEXIBLE PIPELINE ASSEMBLY WITH AN OIL AND GAS INDUSTRY GOOSENECK

#15
20230407728
2023-12-21

Tie-in of subsea pipeline

#16
20230383617
2023-11-30

Lightweight flow module

#17
20230323749
2023-10-12

SELF-ADJUSTING CONNECTION SYSTEM

#18
20230279748
2023-09-07

Apparatus for Accessing Subsea Production Flow Systems

#19
20230184063
2023-06-15

APPARATUS, SYSTEMS AND METHODS FOR OIL AND GAS OPERATIONS

#20
20220307638
2022-09-29

TWO FLOW, SUBSEA, HYDROCARBON FLUID FLOW PATH CONNECTING CONCENTRIC HUB AND USE OF SUCH A HUB

#21
20220307350
2022-09-29

VERTICAL BRANCH INLINE MANIFOLD SYSTEM

#22
20220290538
2022-09-15

SUBSEA PUMPING AND BOOSTER SYSTEM

#23
20220282596
2022-09-08

Adapter assembly, flowline connector assembly and subsea production system

#24
20220275693
2022-09-01

Subsea Umbilicals

#25
20220268133
2022-08-25

System and methods of use for a blind plug

#26
20220195825
2022-06-23

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

#27
20220178472
2022-06-09

Pipeline deployment and tie-in method

#28
20220090472
2022-03-24

Subsea field architecture

#29
20220090471
2022-03-24

Apparatus, systems and methods for oil and gas operations

#30
20220082006
2022-03-17

High pressure jumper manifold

#31
20220034200
2022-02-03

Nonresident system and method for depressurising subsea apparatus and lines

#32
20220025740
2022-01-27

Apparatus, systems and methods for oil and gas operations

#33
20220010643
2022-01-13

Junction box for connecting two umbilical sections

#34
20220003065
2022-01-06

APPARATUS, SYSTEMS AND METHOD FOR OIL AND GAS OPERATIONS

#35
20210396100
2021-12-23

Method and apparatus for temporary injection using a dynamically positioned vessel

#36
20210363850
2021-11-25

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

#37
20210262322
2021-08-26

Tie-in of subsea pipeline

#38
20210262310
2021-08-26

Connector Apparatus for Subsea Blowout Preventer

#39
20210262309
2021-08-26

Flow control module

#40
20210254424
2021-08-19

Mandrel multiplying device for subsea oil production apparatus

#41
20210246752
2021-08-12

Integrated towhead and fluid processing system

#42
20210238943
2021-08-05

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

#43
20210238937
2021-08-05

Tubing hanger orientation spool adaptor

#44
20210215263
2021-07-15

2-slot inline block manifold system

#45
20210207456
2021-07-08

Modular subsea equipment, subsea distribution equipment, subsea distribution equipment assembly and repair

#46
20210198969
2021-07-01

Lightweight flow module

#47
20210189841
2021-06-24

Subsea system and method of installing a subsea system

#48
20210164312
2021-06-03

Method of making safe an undersea bottom-to-surface production pipe when production is stopped

#49
20210164298
2021-06-03

Shearable riser system and method

#50
20210156236
2021-05-27

Well stimulation operations

#51
20210148181
2021-05-20

COUPLING FOR MAKING SUBSEA CONNECTIONS AND METHOD FOR USE THEREOF

#52
20210079777
2021-03-18

System and method for offshore hydrocarbon processing

#53
20210079764
2021-03-18

System and method for offshore hydrocarbon production and storage

#54
20210079763
2021-03-18

CONTINUOUS INSTALLATION OF MULTIPLE SUBSEA FUNCTION LINES WITH IN-LINE TEES

#55
20210071516
2021-03-11

Downhole tubing or umbilical with sensor and method for manufacturing it

#56
20210054713
2021-02-25

Apparatus, systems and methods for oil and gas operations

#57
20210025264
2021-01-28

Horizontal connector system and method

#58
20210010352
2021-01-14

Subsea well installation

#59
20200408072
2020-12-31

Apparatus for Accessing Subsea Production Flow Systems

#60
20200399980
2020-12-24

Manifold and fluid flow control

#61
20200392823
2020-12-17

Underwater system and method for pressurization of an underwater oil reservoir by independent injection of water and gas

#62
20200377180
2020-12-03

Systems for handling one or more elongated members and methods for using same

#63
20200362657
2020-11-19

Open water coiled tubing sealing device

#64
20200347703
2020-11-05

JUMPER TERMINATION MANIFOLD

#65
20200340323
2020-10-29

Versatile flying lead (VFL) termhead system

#66
20200318759
2020-10-08

Interconnection of subsea pipelines and structures

#67
20200182004
2020-06-11

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

#68
20200157923
2020-05-21

Horizontal subsea tie-in system

#69
20200123868
2020-04-23

Lightweight flow module

#70
20200123867
2020-04-23

Flow control module

#71
20200095842
2020-03-26

Apparatus, systems and method for oil and gas operations

#72
20200018138
2020-01-16

OFFSHORE FLOATING UTILITY PLATFORM AND TIE-BACK SYSTEM

#73
20190368298
2019-12-05

Subsea system and method for high pressure high temperature wells

#74
20190360313
2019-11-28

Tie-in of subsea pipeline

#75
20190352993
2019-11-21

Connection system for a multi-bore flying lead or umbilical

#76
20190293207
2019-09-26

Termination arrangement for use in a horizontal connection system

#77
20190285229
2019-09-19

Arrangement of an unmanned and remotely operated production facility

#78
20190264523
2019-08-29

Connector apparatus for subsea blowout preventer

#79
20190257170
2019-08-22

Versatile flying lead (HFL) termhead system

#80
20190226303
2019-07-25

Subsea methane production assembly

#81
20190186239
2019-06-20

Umbilical end termination

#82
20190178060
2019-06-13

Multi-bore jumper interface

#83
20190137005
2019-05-09

Tie in of pipeline to subsea structure

#84
20190136671
2019-05-09

Depressurisation method and apparatus for subsea equipment

#85
20190112893
2019-04-18

Fluid tolerant subsea manifold system

#86
20190100971
2019-04-04

Horizontal connection system for subsea hub connections

#87
20190056043
2019-02-21

Apparatus and method for direct tie-in of subsea pipelines

#88
20190055822
2019-02-21

Subsea connection system for connecting a hot stab of a flowline to a subsea structure

#89
20190032455
2019-01-31

Subsea arrangement

#90
20190024471
2019-01-24

Open Water Coiled Tubing Sealing Device

#91
20190003293
2019-01-03

SYSTEMS AND METHODS FOR HYDRATE MANAGEMENT

#92
20180372244
2018-12-27

Methods of laying subsea pipelines

#93
20180371888
2018-12-27

Subsea processing of well fluids

#94
20180371877
2018-12-27

Equipment for connection of subsea pipelines in block architecture and oil drilling system

#95
20180298733
2018-10-18

Method of making safe an undersea bottom-to-surface production pipe when restarting production

#96
20180298712
2018-10-18

Method of making safe an undersea bottom-to-surface production pipe when production is stopped

#97
20180291694
2018-10-11

Thermally insulated vertical subsea connection system

#98
20180258742
2018-09-13

SUBSEA MANIFOLD SYSTEM

#99
20180245425
2018-08-30

Moving-rotating linear covering tool

#100
20180245406
2018-08-30

Shearable riser system and method

#101
20180223620
2018-08-09

Subsea flying lead

#102
20180216444
2018-08-02

Fluid delivery vessel including a fluid delivery system and a remotely operated vehicle (ROV)

#103
20180156026
2018-06-07

Load and vibration monitoring on a flowline jumper

#104
20180156024
2018-06-07

Instrumented subsea flowline jumper connector

#105
20180142538
2018-05-24

Subsea horizontal connection arrangement

#106
20180141625
2018-05-24

Floating production unit and method of installing a floating production unit

#107
20180112511
2018-04-26

Fluid injection system

#108
20180106123
2018-04-19

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

#109
20180087694
2018-03-29

Subsea pipe-in-pipe structures

#110
20180087327
2018-03-29

Termination bulkheads for subsea pipe-in-pipe systems

#111
20180080590
2018-03-22

Flow line connector assembly

#112
20180066771
2018-03-08

Connection system for subsea pipelines

#113
20180058166
2018-03-01

Early production system for deep water application

#114
20180058165
2018-03-01

Early production system for deep water application

#115
20180051539
2018-02-22

Sealing arrangements for subsea pipe-in-pipe systems

#116
20180038184
2018-02-08

Passively locking connector

#117
20180023767
2018-01-25

Sealing arrangements for subsea pipe-in-pipe systems

#118
20170362909
2017-12-21

High-integrity pressure protection system Christmas tree

#119
20170260835
2017-09-14

System and method for riserless subsea well interventions

#120
20170226846
2017-08-10

Latch position indicator system and method

#121
20170198531
2017-07-13

Subsea casing tieback

#122
20170191334
2017-07-06

SYSTEMS AND METHODS FOR ENGAGING SUBSEA EQUIPMENT

#123
20170130871
2017-05-11

Pipeline termination arrangement

#124
20170130546
2017-05-11

Remotely operated external tieback connector

#125
20170089182
2017-03-30

Subsea system and method for high pressure high temperature wells

#126
20170074064
2017-03-16

Connector apparatus for subsea blowout preventer

#127
20170067326
2017-03-09

Method and apparatus for producing hydrocarbons from one subsea well

#128
20170016302
2017-01-19

Subsea well assembly and assoicated method

#129
20160376875
2016-12-29

Subsea fortified zone module

#130
20160376874
2016-12-29

GIMBAL BEARING SYSTEM AND METHOD

#131
20160376863
2016-12-29

Subsea collet connection system

#132
20160369613
2016-12-22

Fluid injection system

#133
20160362964
2016-12-15

Single Line Stab And Coupler And Method Of Use

#134
20160362956
2016-12-15

Subsea chemical injection system

#135
20160347422
2016-12-01

Transportation and installation of subsea rigid tie-in connections

#136
20160281473
2016-09-29

Hydraulic connector system

#137
20160273318
2016-09-22

Subsea test tree intervention package

#138
20160265297
2016-09-15

Internal tieback with outer diameter sealing capability

#139
20160186517
2016-06-30

Subsea support

#140
20160130918
2016-05-12

JUMPER LINE CONFIGURATIONS FOR HYDRATE INHIBITION

#141
20160116081
2016-04-28

Arrangement system and method for retrieving a laydown head

#142
20160090156
2016-03-31

Docking and drilling stations for running self-standing risers and conducting drilling, production and storage operations

#143
20160003011
2016-01-07

EQUIPMENT TRANSPORT ASSEMBLY FOR DRILLING OPERATIONS AND METHOD OF TRANSPORTING EQUIPMENT

#144
20150354295
2015-12-10

Underwater connection assembly and connection method

#145
20150345275
2015-12-03

Subsea processing of well fluids

#146
20150345274
2015-12-03

Subsea processing of well fluids

#147
20150337632
2015-11-26

Subsea Well Intervention Systems and Methods

#148
20150315867
2015-11-05

Riser disconnect package for lower marine riser package, and annular-release flex-joint assemblies

#149
20150275629
2015-10-01

CONNECTION APPARATUS

#150
20150252644
2015-09-10

SUBSEA CONNECTOR SYSTEM

#151
20150247599
2015-09-03

Coupling device

#152
20150176340
2015-06-25

Connection system for subsea connection of a subsea umbilical to a subsea appliance

#153
20150136423
2015-05-21

Fluid connector assembly with automatic flow shut-off and method usable for establishing a fluid connection

#154
20150132066
2015-05-14

Subsea platform transporter (SPT)

#155
20150122503
2015-05-07

Marine subsea free-standing riser systems and methods

#156
20150096760
2015-04-09

Modular Exploration and Production System Including an Extended Well Testing Service Vessel

#157
20150068440
2015-03-12

Fluid injection system

#158
20150053412
2015-02-26

Vertical completion system including tubing hanger with valve

#159
20150047852
2015-02-19

Installation comprising seabed-to-surface connections of the multi-riser hybrid tower type, including positive-buoyancy flexible pipes

#160
20140367114
2014-12-18

Latch position indicator system and method

#161
20140361534
2014-12-11

Subsea connector

#162
20140352972
2014-12-04

Systems and methods for pulling subsea structures

#163
20140338918
2014-11-20

Self-Standing Riser with Artificial Lift System

#164
20140332223
2014-11-13

Modular subsea completion

#165
20140326459
2014-11-06

Sealable wellsite valve and method of using same

#166
20140305654
2014-10-16

Subsea structure flowline connector assembly

#167
20140290961
2014-10-02

Method and arrangement for establishing and operating a riser less coiled tubing

#168
20140186120
2014-07-03

Subsea arrangement

#169
20140138095
2014-05-22

Device for attaching a first element to a retaining flange of a second element, associated installation and method

#170
20140103636
2014-04-17

Connection appliance and connection arrangement comprising such a connection appliance

#171
20140064855
2014-03-06

Subsea connecting apparatus and method

#172
20140037385
2014-02-06

Method for the assisted installation of an underwater riser

#173
20140034327
2014-02-06

Connection apparatus and methods

#174
20130292128
2013-11-07

Subsea production system having arctic production tower

#175
20130269947
2013-10-17

Marine Subsea Assemblies

#176
20130269946
2013-10-17

Modular stress joint and methods for compensating for forces applied to a subsea riser

#177
20130206420
2013-08-15

Retrievable flow module unit

#178
20130146301
2013-06-13

SUBSEA STRUCTURE FLOWLINE CONNECTOR ASSEMBLY

#179
20130133896
2013-05-30

Fluid injection device

#180
20130075104
2013-03-28

Guide funnel

#181
20120199358
2012-08-09

Horizontal connecting device

#182
20120193102
2012-08-02

Remote subsea connection equipment

#183
20120192982
2012-08-02

Flexible pipe terminal end-attachment device

#184
20120168168
2012-07-05

System and method for connection and installation of underwater lines

#185
20120152554
2012-06-21

Devices and methods for transmitting EDS back-up signals to subsea pods

#186
20120138306
2012-06-07

Production manifold accessory

#187
20120134755
2012-05-31

Method for installing an operating rig for a fluid in a body of water with a traction unit

#188
20120133122
2012-05-31

Coupling device

#189
20120103620
2012-05-03

Remotely operated underwater redirection plenum chamber for spill response

#190
20120102684
2012-05-03

Stabplate connections

#191
20120090152
2012-04-19

Apparatus and method for the connection of conduits

#192
20120085544
2012-04-12

Marine subsea free-standing riser systems and methods

#193
20120048567
2012-03-01

Modular subsea completion

#194
20110286806
2011-11-24

Docking and Drilling Stations for Running Self-Standing Risers and Conducting Drilling, Production and Storage Operations

#195
20110274501
2011-11-10

Method for assembling an operating rig for a fluid in a body of water and associated operating rig

#196
20110187096
2011-08-04

Plugged hot tap tee

#197
20110162748
2011-07-07

FLEXIBLE RISER INSTALLATION FOR CARRYING HYDROCARBONS USED AT GREAT DEPTHS

#198
20110121568
2011-05-26

Swellable connection system and method of using the same

#199
20110094430
2011-04-28

Docking and Drilling Stations for Running Self-Standing Risers and Conducting Drilling, Production and Storage Operations

#200
20110088909
2011-04-21

Stabplate connections

#201
20110061871
2011-03-17

Manifold structure having adjustable brackets

#202
20110030966
2011-02-10

Universal method and apparatus for deploying flying leads

#203
20110025044
2011-02-03

Connector

#204
20110005764
2011-01-13

Tool for connecting pipelines

#205
20100314123
2010-12-16

Underwater connection installation

#206
20100294505
2010-11-25

SYSTEM AND METHOD FOR FORMING CONNECTIONS WITH A COMPLIANT GUIDE

#207
20100243262
2010-09-30

Submarine device

#208
20100186963
2010-07-29

Connection tool with indexing system

#209
20100059229
2010-03-11

Loose tube flying lead assembly

#210
20100038090
2010-02-18

Umbilical termination assemblies

#211
20100018717
2010-01-28

Flexible riser pipe installation for conveying hydrocarbons

#212
20100006299
2010-01-14

Dual subsea production chokes for HPHT well production

#213
20090297274
2009-12-03

Connection arrangement for subsea connection of fluid conduits

#214
20090294130
2009-12-03

Interchangeable subsea wellhead devices and methods

#215
20090200036
2009-08-13

Method for Subsea Hydrocarbon Recovery

#216
20090139724
2009-06-04

Latch position indicator system and method

#217
20090126617
2009-05-21

Docking and Drilling Stations for Running Self-Standing Risers and Conducting Drilling, Production and Storage Operations

#218
20090065215
2009-03-12

Fluid injection device

#219
20090056936
2009-03-05

Subsea Structure Load Monitoring and Control System

#220
20090032264
2009-02-05

Subsea pumping system

#221
20080309077
2008-12-18

Method and installation for connecting a rigid submarine pipe and a flexible submarine pipe

#222
20080286050
2008-11-20

Stab and hinge-over pipeline and terminal assembly

#223
20080199257
2008-08-21

Vertical Installation of an Elongated Process Unit

#224
20080193219
2008-08-14

Method and system for starting up a pipeline

#225
20080035327
2008-02-14

Method and frame

#226
20070227740
2007-10-04

Flying Lead Connector and Method for Making Subsea Connections

#227
20070007012
2007-01-11

Flow completion system

#228
20060219412
2006-10-05

Subsea intervention fluid transfer system

#229
20060162934
2006-07-27

Subsea pumping system

#230
20060140726
2006-06-29

Riser installation vessel and method of using the same

#231
20060118308
2006-06-08

Dual bore well jumper

#232
20060108120
2006-05-25

Well production and multi-purpose intervention access hub

#233
20060090898
2006-05-04

Subsea junction plate assembly running tool and method of installation

#234
20060042799
2006-03-02

Tubing running equipment for offshore rig with surface blowout preventer

#235
20060042791
2006-03-02

Tubing running equipment for offshore rig with surface blowout preventer

#236
20050265789
2005-12-01

Automatic control methods for positioning the lower end of a filiform structure, notably an oil pipe, at sea

#237
20050070150
2005-03-31

Assembly for connecting a jumper to a subsea structure

#238
19253117
2026-05-12

Stab and hinge over system and methods of use thereof

#239
19252936
2026-05-12

Stab and hinge over system and methods of use thereof

#240
16696563
2022-10-04

High pressure and high frequency connector and actuator system therefore

#241
15280832
2017-10-10

Extender jumper system and method

#242
14713891
2016-08-02

Apparatus and method for connecting a riser from an offshore rig to a subsea structure

#243
14257556
2015-07-28

Subsea umbilical system with cable breakout