ClassID:

135583

E21B43/0107 - 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 of flow lines to offshore structures

Recent Application in this class:
#1
20260117608
2026-04-30

SYSTEM AND METHOD FOR BLOCKAGE REMOVAL, CLEANING AND MONITORING PRESSURES IN SUBSEA EQUIPMENT

#2
20260071531
2026-03-12

COMPRESSION HEAT INTEGRATED HIGH EFFICIENCY OFFSHORE PROCESS PLATFORM UNIT

#3
20250389172
2025-12-25

SYSTEMS AND METHODS FOR SUBSEA FLUID HANDLING

#4
20250257819
2025-08-14

SUBSEA SUPPORT APPARATUS AND ASSOCIATED METHODS

#5
20250198261
2025-06-19

SUBSEA TERMINATION ASSEMBLY

#6
20250154855
2025-05-15

A METHOD FOR CONNECTING A SUBSEA WELL TO A SUBSEA PIPELINE

#7
20240344430
2024-10-17

METHOD OF CONFIGURING A SUBSEA ARRANGEMENT

#8
20240229577
2024-07-11

OFF SHORE RIGID STEEL RISER TERMINATION AND FIXATION SYSTEM TO FLOATING PRODUCTION STORAGE OFFLOADING (FPSO) VESSEL

#9
20240229576
2024-07-11

OFF SHORE RIGID STEEL RISER TERMINATION AND FIXATION SYSTEM TO FLOATING PRODUCTION STORAGE OFFLOADING (FPSO) VESSEL

#10
20240068332
2024-02-29

Buoy for injecting fluid in a subterranean void and methods for connecting and disconnecting a fluid passage from a vessel to the buoy

#11
20230392477
2023-12-07

UMBILICAL

#12
20230166969
2023-06-01

Methods and apparatus for offshore power generation from a gas reservoir

#13
20230114745
2023-04-13

SYSTEMS AND METHODS FOR EVALUATING SECURING SYSTEMS FOR FLOATING STRUCTURES USING VIRTUAL SENSORS

#14
20230105722
2023-04-06

Retrievable connection module

#15
20220381128
2022-12-01

COMPRESSION HEAT INTEGRATED HIGH EFFICIENCY OFFSHORE PROCESS PLATFORM UNIT

#16
20220373120
2022-11-24

CONFIGURABLE BLOCK MANIFOLD SYSTEM

#17
20220371695
2022-11-24

Modular offshore floating platform systems and methods for operating the same

#18
20220341429
2022-10-27

MECHANICAL BARRIER FLUID PRESSURE REGULATION FOR SUBSEA SYSTEMS

#19
20220307638
2022-09-29

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

#20
20220281561
2022-09-08

Single-upright-column mooring type wellhead production operation platform

#21
20220221083
2022-07-14

Direct tie-in of subsea conduits and structures

#22
20220195809
2022-06-23

Installation of subsea risers

#23
20220186570
2022-06-16

Adapter tool for coupling a bend stiffener with interface for bell mouths of models with BSN900E type connection in a diverless bell mouth (BSDL) and interconnection methods

#24
20220120154
2022-04-21

Systems and methods for tethering subsea blow-out-preventers

#25
20220065064
2022-03-03

Autonomous subsea tieback enabling platform

#26
20220042378
2022-02-10

Installing subsea risers

#27
20210207457
2021-07-08

MULTI-PERIOD AND DYNAMIC LONG TERM PLANNING OPTIMIZATION MODEL FOR A NETWORK OF GAS OIL SEPARATION PLANTS (GOSPS)

#28
20210131193
2021-05-06

System for connecting between risers of composite material and flowlines, which can be used with a hybrid riser, and method for constructing same

#29
20210002986
2021-01-07

Jumper termination apparatus for a subsea jumper flowline and a method of connecting subsea flowlines to a subsea manifold

#30
20210002965
2021-01-07

Offloading hydrocarbons from subsea fields

#31
20200318759
2020-10-08

Interconnection of subsea pipelines and structures

#32
20200298938
2020-09-24

Buoy For The Processing Of Production Fluids

#33
20200157923
2020-05-21

Horizontal subsea tie-in system

#34
20200149373
2020-05-14

Offshore production systems with top tensioned tendons for supporting electrical power transmission

#35
20200109797
2020-04-09

Method and system for laying a submarine pipeline

#36
20200040706
2020-02-06

Handling heavy subsea structures

#37
20190360319
2019-11-28

OFFSHORE HYDROCARBON PROCESSING FACILITY AND METHOD OF OPERATION

#38
20190360306
2019-11-28

PRESSURE PROTECTION FOR AN OFFSHORE PLATFORM

#39
20190338622
2019-11-07

MULTI-PERIOD AND DYNAMIC LONG TERM PLANNING OPTIMIZATION MODEL FOR A NETWORK OF GAS OIL SEPARATION PLANTS (GOSPS)

#40
20190330954
2019-10-31

WEAR INDICATOR FOR A JOINT BETWEEN A RISER AND A FLOATING PLATFORM

#41
20190284912
2019-09-19

Buoyant system and method with buoyant extension and guide tube

#42
20190277101
2019-09-12

PLUG AND PLAY CONNECTION SYSTEM FOR A BELOW-TENSION-RING MANAGED PRESSURE DRILLING SYSTEM

#43
20190211654
2019-07-11

Moving-riser method and system for harvesting natural gas from seabed hydrates

#44
20190178060
2019-06-13

Multi-bore jumper interface

#45
20190168845
2019-06-06

Retrofit variable reluctance measurement technology tendon tension monitoring system

#46
20190162054
2019-05-30

Connecting system and method for connecting two conduits in a body of water

#47
20190145199
2019-05-16

Hydraulic filtration and pressure testing device

#48
20190137005
2019-05-09

Tie in of pipeline to subsea structure

#49
20190079002
2019-03-14

Hydraulic filtration and pressure testing device

#50
20190078396
2019-03-14

Mini-riser for SCR coiled tubing and wireline interventions

#51
20190055822
2019-02-21

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

#52
20190048710
2019-02-14

Assembly of an instrument panel and an anti-fouling system

#53
20190040706
2019-02-07

Subsea tree override tool apparatus and method

#54
20180371877
2018-12-27

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

#55
20180305992
2018-10-25

Remote operated vehicle removable flexible joint elastomer protection tool

#56
20180298733
2018-10-18

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

#57
20180258711
2018-09-13

Steel catenary riser top interface

#58
20180231161
2018-08-16

Flexible pipe joint

#59
20180223834
2018-08-09

FLUID FILTER FOR MINING MACHINE

#60
20180209425
2018-07-26

Mechanical barrier fluid pressure regulation for subsea systems

#61
20180209220
2018-07-26

Bend stiffener

#62
20180187522
2018-07-05

Manifold and shared actuator

#63
20180156024
2018-06-07

Instrumented subsea flowline jumper connector

#64
20180094762
2018-04-05

Fatigue life extender

#65
20180087328
2018-03-29

System and autonomous method for securing a riser support

#66
20180080590
2018-03-22

Flow line connector assembly

#67
20180017186
2018-01-18

Direct tie-in of pipelines by added curvature

#68
20180016877
2018-01-18

Underwater hydrocarbon processing facility

#69
20170350196
2017-12-07

Anchoring subsea flexible risers

#70
20170314366
2017-11-02

Handling heavy subsea structures

#71
20170247955
2017-08-31

Riser top connector

#72
20170241243
2017-08-24

Monolithic manifold with embedded valves

#73
20170159373
2017-06-08

Bend stiffener

#74
20170122079
2017-05-04

Flexible line installation and removal

#75
20170081947
2017-03-23

Submarine connection assembly

#76
20170074426
2017-03-16

Method for connecting a bottom pipe and a riser pipe

#77
20170067326
2017-03-09

Method and apparatus for producing hydrocarbons from one subsea well

#78
20170016309
2017-01-19

LONG OFFSET GAS CONDENSATE PRODUCTION SYSTEMS

#79
20160312959
2016-10-27

Method and system for controlling hydrodynamic slugging in a fluid processing system

#80
20160290331
2016-10-06

Pumping block device having an integrated bypass circuit

#81
20160290108
2016-10-06

Apparatus and method for disconnecting male and female connectors

#82
20160123131
2016-05-05

Deepwater low-rate appraisal production systems

#83
20160060977
2016-03-03

Coiled tubing lift frame assembly and method of use thereof

#84
20160003011
2016-01-07

EQUIPMENT TRANSPORT ASSEMBLY FOR DRILLING OPERATIONS AND METHOD OF TRANSPORTING EQUIPMENT

#85
20150361772
2015-12-17

Apparatus and method for producing oil and gas using buoyancy effect

#86
20150361771
2015-12-17

Subsea hydrocarbon production system

#87
20150361770
2015-12-17

Assembly for connecting underwater pipes

#88
20150354335
2015-12-10

Apparatus and method for producing oil and gas using buoyancy effect

#89
20150354295
2015-12-10

Underwater connection assembly and connection method

#90
20150337607
2015-11-26

Subsea connector assembly

#91
20150330159
2015-11-19

Guiding assembly for a piping system

#92
20150315867
2015-11-05

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

#93
20150136008
2015-05-21

Offshore top site system

#94
20150122503
2015-05-07

Marine subsea free-standing riser systems and methods

#95
20150107847
2015-04-23

MOVEABLE JOINT

#96
20150107845
2015-04-23

Redeployable subsea manifold-riser system

#97
20150090460
2015-04-02

Apparatus and method for producing oil and gas using buoyancy effect

#98
20150090124
2015-04-02

Apparatus and method for producing oil and gas using buoyancy effect

#99
20140212221
2014-07-31

Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device

#100
20140186120
2014-07-03

Subsea arrangement

#101
20140138095
2014-05-22

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

#102
20140102711
2014-04-17

Subsea arrangement

#103
20140037385
2014-02-06

Method for the assisted installation of an underwater riser

#104
20140034327
2014-02-06

Connection apparatus and methods

#105
20140008077
2014-01-09

Method and apparatus for evacuating hydrocarbons from a distressed well

#106
20130277061
2013-10-24

Tower for exploiting fluid in an expanse of water and associated installation method

#107
20130192844
2013-08-01

Passive offshore tension compensator assembly

#108
20130168103
2013-07-04

Damping sleeve and anchoring method

#109
20130064606
2013-03-14

Seabed-to-surface linking equipment including a flexible pipe guiding structure

#110
20120241040
2012-09-27

Umbilical

#111
20120201607
2012-08-09

Tool for a horizontal connecting device

#112
20120199358
2012-08-09

Horizontal connecting device

#113
20120168172
2012-07-05

Riser connector

#114
20120168170
2012-07-05

Oil pipe suspension device and installation method

#115
20120160506
2012-06-28

Method and apparatus for evacuating hydrocarbons from a distressed well

#116
20120085544
2012-04-12

Marine subsea free-standing riser systems and methods

#117
20120080115
2012-04-05

Cabling system corrugated centertube umbilical

#118
20120024534
2012-02-02

Subsea machine and methods for separating components of a material stream

#119
20120012331
2012-01-19

Method for disconnecting a device for transferring fluid between the bottom of an expanse of water and the surface, and associated transfer device

#120
20110290497
2011-12-01

Subsea hydrocarbon production system

#121
20110266792
2011-11-03

Releasable connector for an off-shore oil installation

#122
20110209875
2011-09-01

Installation for the extraction of fluid from an expanse of water, and associated method

#123
20110203806
2011-08-25

Arrangement for directing a fluid flow

#124
20110162747
2011-07-07

Device for mounting a flexible line on a structure, and related installation and method

#125
20110147003
2011-06-23

Method for setting up a hybrid tower in an expanse of water, hybrid tower associated installation for exploiting fluids

#126
20110139459
2011-06-16

Subsea control jumper module

#127
20110094748
2011-04-28

Pull-head release mechanism for bend stiffener connector

#128
20110042934
2011-02-24

Vertical connector

#129
20110020067
2011-01-27

Method of installing an underwater riser

#130
20100186963
2010-07-29

Connection tool with indexing system

#131
20100147529
2010-06-17

Systems and methods for controlling risers

#132
20100104373
2010-04-29

Riser installation method from an offshore production unit

#133
20100051624
2010-03-04

Floating oil storage system and method

#134
20100018716
2010-01-28

Adjustable hanger for inner production riser

#135
20090294129
2009-12-03

Subsea stack alignment method

#136
20090103985
2009-04-23

Installation comprising at least two bottom-surface connections for at least two undersea pipes resting on the sea bottom

#137
20080311804
2008-12-18

Disconnectable riser-mooring system

#138
20080223583
2008-09-18

Free standing riser system and method of installing same

#139
20080214072
2008-09-04

Apparatus and method for connection and disconnection of a marine riser

#140
20080210433
2008-09-04

Subsea well communications apparatus and method using variable tension large offset risers

#141
20080205990
2008-08-28

Apparatus for connecting a connector pipe to a pipeline

#142
20080007056
2008-01-10

Bend stiffener assembly

#143
20070056741
2007-03-15

Apparatus and method for supporting a steel catenary riser

#144
20070048093
2007-03-01

Subsea well communications apparatus and method using variable tension large offset risers

#145
20070044972
2007-03-01

Self-supported riser system and method of installing same

#146
20070009328
2007-01-11

Spool piece termination structure, a connection arrangement comprising such a termination structure and a pipeline termination

#147
20060219412
2006-10-05

Subsea intervention fluid transfer system

#148
20060201679
2006-09-14

Support member for subsea jumper installation, and methods of using same

#149
20060070741
2006-04-06

Riser connector

#150
20050284638
2005-12-29

Method for inspection and repair of a flexible joint

#151
20050271476
2005-12-08

Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser by means of at least one elbow pipe element that is supported by a base

#152
20050196242
2005-09-08

Compensating suspension element configuration

#153
20050070150
2005-03-31

Assembly for connecting a jumper to a subsea structure

#154
20050056804
2005-03-17

Coupling device

#155
19309664
2026-03-03

Connector assemblies and processes for using same

#156
16166613
2019-08-06

Apparatus and method for reducing impact of stresses on a subsea pipeline

#157
16130263
2019-04-30

Plug and play connection system for a below-tension-ring managed pressure drilling system

#158
14805074
2016-07-05

Vertical swivel connection assembly and systems and methods for use thereof