ClassID:

135582

E21B43/01 - page 2 - 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

Recent Application in this class:
#301
20120031621
2012-02-09

Method and system for flow assurance management in subsea single production flowline

#302
20120000663
2012-01-05

System, apparatus, and method for monitoring a subsea flow device

#303
20110309668
2011-12-22

Method for converting hydrates buried in the waterbottom into a marketable hydrocarbon composition

#304
20110290500
2011-12-01

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

#305
20110290497
2011-12-01

Subsea hydrocarbon production system

#306
20110277456
2011-11-17

Hydraulically-powered compressor

#307
20110274501
2011-11-10

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

#308
20110271508
2011-11-10

Methods and associated apparatus of constructing and installing rigid riser structures

#309
20110265649
2011-11-03

Device and method for remediating and separating gas accumulations in waterways

#310
20110259901
2011-10-27

Subsea gravity separator

#311
20110253380
2011-10-20

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

#312
20110232912
2011-09-29

SYSTEM AND METHOD FOR HYDRAULICALLY POWERING A SEAFLOOR PUMP FOR DELIVERING PRODUCED FLUID FROM A SUBSEA WELL

#313
20110229271
2011-09-22

Venting gas

#314
20110226483
2011-09-22

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

#315
20110205079
2011-08-25

FLOW ASSURANCE MONITORING

#316
20110168399
2011-07-14

MID WATER GAS LIFT

#317
20110158824
2011-06-30

Subsea technique for promoting fluid flow

#318
20110155385
2011-06-30

METHOD AND SYSTEM FOR SUBSEA PROCESSING OF MULTIPHASE WELL EFFLUENTS

#319
20110155384
2011-06-30

Subsea fluid separator

#320
20110139460
2011-06-16

HYDROCARBON PRODUCTION SYSTEM, METHOD FOR PERFORMING CLEAN-UP AND METHOD FOR CONTROLLING FLOW

#321
20110132615
2011-06-09

Offshore drilling and production systems and methods

#322
20110127032
2011-06-02

Method for monitoring hydrocarbon production

#323
20110100639
2011-05-05

Floating offshore structure for hydrocarbon production

#324
20110056699
2011-03-10

Multiple electric submersible pump system

#325
20110048546
2011-03-03

Gas compression system

#326
20110024127
2011-02-03

Assembly and method for production of gas or gas and condensate/oil

#327
20110017309
2011-01-27

PUMP WITH INTEGRAL CAISSON DISCHARGE

#328
20110000546
2011-01-06

Method for transportation of cng or oil

#329
20100300696
2010-12-02

System and Method for Monitoring Subsea Valves

#330
20100300486
2010-12-02

Method for wax removal and measurement of wax thickness

#331
20100299119
2010-11-25

PERFORMANCE MONITOR FOR SUBSEA EQUIPMENT

#332
20100257949
2010-10-14

Device for measuring the movement of a subsea deformable pipeline

#333
20100252269
2010-10-07

SYSTEM AND METHOD FOR MONITORING SUBSEA WELLS

#334
20100252260
2010-10-07

Method and apparatus for flow assurance management in subsea single production flowline

#335
20100206576
2010-08-19

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

#336
20100206573
2010-08-19

METHOD AND APPARATUS FOR COOLING A GASEOUS HYDROCARBON STREAM

#337
20100206547
2010-08-19

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

#338
20100206546
2010-08-19

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

#339
20100193194
2010-08-05

Method for managing hydrates in subsea production line

#340
20100175884
2010-07-15

Offshore gas recovery

#341
20100139544
2010-06-10

Variable speed drive for subsea installations, vessels, and/or vehicles

#342
20100132933
2010-06-03

Methane hydrate dissociation accelerating and methane gas deriving system

#343
20100132800
2010-06-03

METHOD AND APPARATUS FOR CONTROLLING FLUCTUATIONS IN MULTIPHASE FLOW PRODUCTION LINES

#344
20100116506
2010-05-13

Subsea deployment of submersible pump

#345
20100071775
2010-03-25

Subsea system and method for protecting equipment of a subsea system

#346
20100052309
2010-03-04

Umbilical bullet connector

#347
20100051279
2010-03-04

Method of prevention of hydrates

#348
20100044053
2010-02-25

Method and an apparatus for cold start of a subsea production system

#349
20100038091
2010-02-18

System and method for deployment of a subsea well intervention system

#350
20100032164
2010-02-11

Sub sea processing system

#351
20100025043
2010-02-04

SYSTEM AND VESSEL FOR HYDROCARBON PRODUCTION AND METHOD FOR INTERVENTION ON SUBSEA EQUIPMENT

#352
20100012325
2010-01-21

System and method for sub-cooling hydrocarbon production fluid for transport

#353
20100000221
2010-01-07

Method for producing fuel and power from a methane hydrate bed using a gas turbine engine

#354
20090321082
2009-12-31

Method for protecting hydrocarbon conduits

#355
20090321080
2009-12-31

System, vessel and method for production of oil and heavier gas fractions from a reservoir below the seabed

#356
20090301729
2009-12-10

Device for controlling slugging

#357
20090301728
2009-12-10

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

#358
20090301727
2009-12-10

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

#359
20090294132
2009-12-03

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

#360
20090294125
2009-12-03

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

#361
20090277612
2009-11-12

UNDERWATER COOLING ASSEMBLY

#362
20090240446
2009-09-24

Flow assurance monitoring

#363
20090217992
2009-09-03

Subsea injection system

#364
20090200035
2009-08-13

All Electric Subsea Boosting System

#365
20090191001
2009-07-30

Connecting compliant tubular members at subsea locations

#366
20090151928
2009-06-18

Electrical submersible pump and gas compressor

#367
20090126927
2009-05-21

Method and equipment for the reduction of multiple dispersions

#368
20090120103
2009-05-14

METHOD AND APPARATUS FOR SUB SEA POWER GENERATION

#369
20090065210
2009-03-12

Method for gas production from gas hydrate reservoirs

#370
20090035067
2009-02-05

Gas eduction tube for seabed caisson pump assembly

#371
20080308277
2008-12-18

Umbilical deployment system

#372
20080268300
2008-10-30

Method for producing fuel and power from a methane hydrate bed using a fuel cell

#373
20080264645
2008-10-30

Apparatus for mitigating slugging in flowline systems

#374
20080236810
2008-10-02

System for power supply to subsea installations

#375
20080210434
2008-09-04

Subsea tanker hydrocarbon production system

#376
20080138159
2008-06-12

Marine riser system

#377
20080135258
2008-06-12

Method for preventing overpressure

#378
20080069961
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#379
20080067108
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#380
20080066784
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#381
20070284112
2007-12-13

Instrumented tabular device for transporting a pressurized fluid

#382
20070235195
2007-10-11

Subsea flowline jumper containing ESP

#383
20070199715
2007-08-30

Subsea well intervention

#384
20070145810
2007-06-28

Gas hydrate material recovery apparatus

#385
20070118303
2007-05-24

Flow assurance monitoring

#386
20070029091
2007-02-08

Subsea compression system and method

#387
20070012451
2007-01-18

Piggable flowline-riser system

#388
20070000667
2007-01-04

Subsea communication system and technique

#389
20060245958
2006-11-02

BULK DELIVERY SYSTEM

#390
20060237194
2006-10-26

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

#391
20060231266
2006-10-19

System for direct vertical connection between contiguous subsea equipment and method of installation of said connection

#392
20060207766
2006-09-21

Non-carcassed, collapse resistant, control line for use subsea and method of use

#393
20060204338
2006-09-14

Umbilical anchoring clamp

#394
20060186023
2006-08-24

Pipes, systems, and methods for transporting hydrocarbons

#395
20060150749
2006-07-13

Method, system, controller and computer program product for controlling the flow of a multiphase fluid

#396
20060147273
2006-07-06

Method of insulating a subsea structure

#397
20060144595
2006-07-06

Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator

#398
20060131027
2006-06-22

Device for heating and thermally insulating at least one undersea pipeline

#399
20060118310
2006-06-08

Subsea petroleum production system method of installation and use of the same

#400
20060096760
2006-05-11

Enhancing a flow through a well pump

#401
20060054327
2006-03-16

System for neutralizing the formation of slugs in a riser

#402
20060000615
2006-01-05

Infrastructure-independent deepwater oil field development concept

#403
20050269096
2005-12-08

Method and apparatus for blow-out prevention in subsea drilling/completion systems

#404
20050236155
2005-10-27

Online thermal and watercut management

#405
20050232703
2005-10-20

Flowline insulation system

#406
20050214079
2005-09-29

Use of hydrate slurry for transport of associated gas

#407
20050139138
2005-06-30

Flow assurance monitoring

#408
20050109514
2005-05-26

Tree mounted well flow interface device

#409
20050016735
2005-01-27

ROV retrievable sea floor pump

#410
18519915
2024-10-08

Geothermal power systems and methods for subsea systems

#411
18519722
2024-09-24

Geothermal power systems and methods for subsea systems

#412
17130491
2021-11-02

Devices, systems, facilities, and processes of liquid natural gas processing for power generation

#413
16274027
2020-03-10

Underwater anchoring assembly and methods

#414
15972235
2018-09-18

In-situ cultivation system of deep-sea hydrothermal metallic sulfide deposits

#415
14480849
2015-09-15

System and method for mitigating pressure drop at subsea pump startup

#416
14152520
2015-07-14

Subsea diverter system for use with a blowout preventer