ClassID:

135291

E21B17/015 - CPC Classification

Classification description:

Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings; Risers Non-vertical risers, e.g. articulated or catenary-type

Recent Application in this class:
#1
20250361776
2025-11-27

IMPROVING FATIGUE RESISTANCE OF STEEL CATENARY RISERS

#2
20240348021
2024-10-17

SUBSEA CABLE BUNDLE INSTALLATION

#3
20240287855
2024-08-29

AN ARRANGEMENT AND A METHOD FOR THE INSTALLATION OF DATA AND ELECTRICAL TRANSMISSION LINES ON A STEEL LAZY WAVE RISER (SLWR)

#4
20230250698
2023-08-10

Float apparatus

#5
20230112210
2023-04-13

Installation of Subsea Risers

#6
20230110686
2023-04-13

Subsea line clamp assembly

#7
20220356766
2022-11-10

Vibration damping subsea tubular system

#8
20220195809
2022-06-23

Installation of subsea risers

#9
20220065049
2022-03-03

Installation of Subsea Risers

#10
20220042378
2022-02-10

Installing subsea risers

#11
20210301946
2021-09-30

METHOD FOR CONTROLLING BUCKLING IN DEEPWATER PIPELINE WITH BUOYANCY MODULES

#12
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

#13
20210032938
2021-02-04

Bend restrictor

#14
20210002965
2021-01-07

Offloading hydrocarbons from subsea fields

#15
20200224503
2020-07-16

Subsea riser systems

#16
20200165878
2020-05-28

System and method for forced circulation of fluids through the annulus of a flexible pipe

#17
20190284912
2019-09-19

Buoyant system and method with buoyant extension and guide tube

#18
20190249806
2019-08-15

Method of modernizing a fluid transport flexible conduit line, end fittings joint and interconnection module

#19
20190195025
2019-06-27

APPARATUS AND METHOD

#20
20190078396
2019-03-14

Mini-riser for SCR coiled tubing and wireline interventions

#21
20190048668
2019-02-14

Marine flexible elongate element and method of installation

#22
20180258711
2018-09-13

Steel catenary riser top interface

#23
20180223603
2018-08-09

FLEXIBLE DYNAMIC RISER FOR SUBSEA WELL INTERVENTION

#24
20180106115
2018-04-19

Connector for steel catenary risers

#25
20170350196
2017-12-07

Anchoring subsea flexible risers

#26
20170247955
2017-08-31

Riser top connector

#27
20170204992
2017-07-20

Clamp for a flexible pipe

#28
20170175460
2017-06-22

Tubular connection assembly for improved fatigue performance of metallic risers

#29
20170122079
2017-05-04

Flexible line installation and removal

#30
20170081947
2017-03-23

Submarine connection assembly

#31
20170074425
2017-03-16

Riser assembly and method of installing a riser assembly

#32
20170067296
2017-03-09

Flexible pipe and a method for providing buoyancy to a jumper or riser assembly

#33
20170051589
2017-02-23

Production riser with a gas lift facility

#34
20160348449
2016-12-01

Connector assembly for connecting a hose to a tubular

#35
20160290070
2016-10-06

Offshore flexible line installation and removal

#36
20160258553
2016-09-08

Riser assembly and method

#37
20160177633
2016-06-23

Riser assembly and method of forming a riser assembly

#38
20160177558
2016-06-23

Jack-up conical structure

#39
20160168921
2016-06-16

Riser support

#40
20160153247
2016-06-02

Deepwater disconnectable turret system with improved riser configuration

#41
20160076313
2016-03-17

Pull tube stress joint for offshore platform

#42
20160053919
2016-02-25

Flexible pipe support

#43
20160003406
2016-01-07

Techniques for coating pipes

#44
20150361770
2015-12-17

Assembly for connecting underwater pipes

#45
20150354295
2015-12-10

Underwater connection assembly and connection method

#46
20150247366
2015-09-03

Relating to buoyancy-supported risers

#47
20150240574
2015-08-27

Catenary riser testing

#48
20150219253
2015-08-06

Flexible pipe body and method of providing same

#49
20150149114
2015-05-28

Monitoring integrity of a riser pipe network

#50
20150136008
2015-05-21

Offshore top site system

#51
20150122503
2015-05-07

Marine subsea free-standing riser systems and methods

#52
20150075216
2015-03-19

Floating LNG plant comprising a first and a second converted LNG carrier and a method for obtaining the floating LNG plant

#53
20150030295
2015-01-29

Armor element for a flexible line intended to be placed in an expanse of water, and associated flexible line, method and process

#54
20150021039
2015-01-22

UMBILICAL

#55
20140338919
2014-11-20

Multiple flexible seafloor-surface linking apparatus comprising at least two levels

#56
20140326461
2014-11-06

Buoyancy compensating element and method

#57
20140326460
2014-11-06

Buoyancy compensating element and method

#58
20140262316
2014-09-18

Riser assembly and method of providing riser assembly

#59
20140186124
2014-07-03

RISER ASSEMBLY AND METHOD

#60
20140079512
2014-03-20

Offshore system

#61
20140076450
2014-03-20

Flexible unbonded pipe

#62
20140073207
2014-03-13

Restraint systems for hybrid decoupled risers

#63
20140069657
2014-03-13

Freestanding Hybrid Riser System Including a Bottom Configuration with a Flexible Pipe Joint and a Diverless Pipe Connector

#64
20140044493
2014-02-13

Subsea conduit system

#65
20140037385
2014-02-06

Method for the assisted installation of an underwater riser

#66
20140034350
2014-02-06

Umbilical for use in subsea applications

#67
20130315673
2013-11-28

Curvature limiter for a flexible undersea line, and seabed-to-surface linking equipment including same

#68
20130309020
2013-11-21

Method of installing a buoy and apparatus for tensioning a buoy to an anchoring location

#69
20130299179
2013-11-14

Riser configuration

#70
20130292129
2013-11-07

Riser assembly and method

#71
20130277061
2013-10-24

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

#72
20130266381
2013-10-10

Transfer system

#73
20130216317
2013-08-22

Riser support

#74
20130146300
2013-06-13

In situ transfer and support of tensioned system and method for a flexible link

#75
20130022406
2013-01-24

Freestanding hybrid riser system

#76
20120292040
2012-11-22

Hybrid buoyed and stayed towers and risers for deepwater

#77
20120279577
2012-11-08

Temperature-controllable pipe suitable for offshore applications

#78
20120263542
2012-10-18

Assembly for connection of a flexible tubular pipe to an undersea installation

#79
20120230770
2012-09-13

Facility having fanned seabed-to-surface connections

#80
20120207547
2012-08-16

System, method and apparatus for subsea installation of buoyancy modules

#81
20120170610
2012-07-05

Method and system for detection of fluid invasion in an annular space of flexible pipe

#82
20120168172
2012-07-05

Riser connector

#83
20120168170
2012-07-05

Oil pipe suspension device and installation method

#84
20120160510
2012-06-28

FLEXIBLE CATENARY RISER HAVING DISTRIBUTED SAG BEND BALLAST

#85
20120134755
2012-05-31

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

#86
20120107050
2012-05-03

PIPELINE ASSEMBLY COMPRISING AN ANCHORING DEVICE

#87
20120085544
2012-04-12

Marine subsea free-standing riser systems and methods

#88
20110318110
2011-12-29

Free standing steel catenary risers

#89
20110290499
2011-12-01

Deepwater completion installation and intervention system

#90
20110247826
2011-10-13

Method, device, and system for determining water or liquid in the annulus of a flexible riser or flowline

#91
20110229271
2011-09-22

Venting gas

#92
20110229270
2011-09-22

Installation method of flexible pipe with subsea connector, utilizing a pull down system

#93
20110226484
2011-09-22

Connector for steel catenary riser to flexible line without stress-joint or flex-joint

#94
20110198092
2011-08-18

Umbilical management system and method for subsea well intervention

#95
20110192484
2011-08-11

FLEXIBLE PIPE

#96
20110155383
2011-06-30

OFFSHORE SEABED TO SURFACE CONDUIT TRANSFER SYSTEM

#97
20110146797
2011-06-23

FLEXIBLE PIPE SUPPORT

#98
20110129305
2011-06-02

RISER SUPPORT SYSTEM

#99
20110100636
2011-05-05

Underwater hydrocarbon transport apparatus

#100
20110042094
2011-02-24

Bottom-to-surface connection installation of a rigid pipe with a flexible pipe having positive buoyancy

#101
20110030831
2011-02-10

Flexible pipe having pressure armour layer

#102
20110026031
2011-02-03

Pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe

#103
20110017465
2011-01-27

RISER SUPPORT

#104
20110017463
2011-01-27

USE OF A SPOOLABLE COMPLIANT GUIDE AND COILED TUBING TO CLEAN UP A WELL

#105
20110005766
2011-01-13

Deployment System

#106
20100314123
2010-12-16

Underwater connection installation

#107
20100294504
2010-11-25

Flexible hang-off arrangement for a catenary riser

#108
20100236786
2010-09-23

SYSTEM AND METHOD FOR PERFORMING INTERVENTION OPERATIONS WITH A SUBSEA Y-TOOL

#109
20100209197
2010-08-19

Method of installing a tubular undersea pipeline

#110
20100166500
2010-07-01

Freestanding hybrid riser system and method of installation

#111
20100163243
2010-07-01

Intervention system dynamic seal and compliant guide

#112
20100139926
2010-06-10

System and method for performing intervention operations with a compliant guide

#113
20100134782
2010-06-03

Elongate structure curvature sensing device

#114
20100129161
2010-05-27

Hybrid riser systems and methods

#115
20100065277
2010-03-18

Stabplate connections

#116
20100051279
2010-03-04

Method of prevention of hydrates

#117
20100034594
2010-02-11

MOORING SYSTEM FOR A LOADING STATION

#118
20100028086
2010-02-04

Guide arrangement

#119
20100018717
2010-01-28

Flexible riser pipe installation for conveying hydrocarbons

#120
20100006300
2010-01-14

Flexible hang-off arrangement for a catenary riser

#121
20090269141
2009-10-29

Floating system connected to an underwater line structure and methods of use

#122
20090242207
2009-10-01

STRAKE SYSTEMS AND METHODS

#123
20090183881
2009-07-23

INTERVENTION SYSTEM WITH DYNAMIC SEAL

#124
20090103985
2009-04-23

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

#125
20090078425
2009-03-26

FLEXIBLE HANG-OFF ARRANGEMENT FOR A CATENARY RISER

#126
20080317555
2008-12-25

Subsea system provided with a controllable curvature flexible pipe

#127
20080314597
2008-12-25

Apparatus for subsea intervention

#128
20080313915
2008-12-25

Outer device for universal inspection of risers

#129
20080309077
2008-12-18

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

#130
20080303382
2008-12-11

Device and method for providing strain measurements of insulated pipes

#131
20080302535
2008-12-11

Subsea Intervention Riser System

#132
20080253842
2008-10-16

Pipeline assembly comprising an anchoring device

#133
20080226396
2008-09-18

Seamless steel tube for use as a steel catenary riser in the touch down zone

#134
20080214072
2008-09-04

Apparatus and method for connection and disconnection of a marine riser

#135
20080196899
2008-08-21

Marine riser tower

#136
20080193219
2008-08-14

Method and system for starting up a pipeline

#137
20080185153
2008-08-07

SUBSEA INTERVENTION WITH COMPLIANT GUIDE

#138
20080149209
2008-06-26

Method for removal of permeate gases from a flexible tubular pipe and pipe embodied for carrying out the same

#139
20080056826
2008-03-06

Device for upper connection between two submarine fluid transporting pipelines

#140
20070163481
2007-07-19

Submerged loading system

#141
20070107906
2007-05-17

Dry tree subsea well communications apparatus using variable tension large offset risers

#142
20070107905
2007-05-17

Dry tree subsea well communications methods using variable tension large offset risers

#143
20070081862
2007-04-12

Pipeline assembly comprising an anchoring device and method for installing a pipeline assembly comprising an anchoring device

#144
20070056742
2007-03-15

Production system

#145
20070056741
2007-03-15

Apparatus and method for supporting a steel catenary riser

#146
20070003374
2007-01-04

Subsea structure and methods of construction and installation thereof

#147
20060230839
2006-10-19

Apparatuses and methods for monitoring stress in steel catenary risers

#148
20060201564
2006-09-14

Riser installation from offshore floating production unit

#149
20060159521
2006-07-20

Shallow water riser configuration

#150
20060056918
2006-03-16

Riser system connecting two fixed underwater installations to a floating surface unit

#151
20060021756
2006-02-02

Dry tree subsea well communications apparatus and method using variable tension large offset risers

#152
20050284638
2005-12-29

Method for inspection and repair of a flexible joint

#153
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

#154
20050254900
2005-11-17

Multi-catenary type rising column

#155
20050196242
2005-09-08

Compensating suspension element configuration

#156
20050175413
2005-08-11

Stress limiting device for offshore oil reservoir production pipe

#157
20050158126
2005-07-21

Flexible riser system

#158
20050063788
2005-03-24

Riser and method of installing same

#159
20050042952
2005-02-24

Marine riser system

#160
15068855
2017-06-20

Multiple bore flexible pipe riser systems and methods for deployment thereof

#161
14549834
2015-12-22

Subsea riser support and method for bridging escarpments