ClassID:

135293

E21B17/02 - CPC Classification

Classification description:

Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings Cables; ; Tubings Couplings; joints

Sub-classes:
Recent Application in this class:
#1
20260110221
2026-04-23

JOINT FOR DOWNHOLE MOTOR

#2
20260063228
2026-03-05

CLAMP-TO-FASTLOCK CONVERTER

#3
20260009295
2026-01-08

RUNNING TOOL CARTRIDGE SYSTEM AND METHOD

#4
20260002418
2026-01-01

APPARATUS FOR COUPLING AN ANTENNA TO CYLINDRICAL STRUCTURE

#5
20250389172
2025-12-25

SYSTEMS AND METHODS FOR SUBSEA FLUID HANDLING

#6
20250314157
2025-10-09

HYDRAULICALLY ACTUATED DOUBLE-ACTING POSITIVE DISPLACEMENT PUMP SYSTEM FOR PRODUCING FLUIDS FROM A WELLBORE

#7
20250230730
2025-07-17

FRAME FOR USE SUBSEA

#8
20250154831
2025-05-15

DOWNHOLE TOOL, METHOD, AND SYSTEM

#9
20240418176
2024-12-19

SPRING ACTUATED AXIALLY LOCKING SHAFT COUPLING FOR BI-DIRECTIONAL LOADING

#10
20240368947
2024-11-07

Methods for installing risers in a fluid injection system

#11
20240328291
2024-10-03

SYSTEM, APPARATUS AND METHOD FOR ARTIFICIAL LIFT, AND IMPROVED DOWNHOLE ACTUATOR FOR SAME

#12
20240271492
2024-08-15

Remote control line clamp installation system

#13
20240167594
2024-05-23

SEAL RETAINING CONFIGURATION AND METHOD

#14
20240159117
2024-05-16

Fluid injection system and related methods

#15
20240076942
2024-03-07

Fiber electric wet mate

#16
20240060374
2024-02-22

Nipple-less well completion

#17
20240026741
2024-01-25

Hydraulic dry mate connectors with shape memory alloy technology

#18
20240011585
2024-01-11

CLAMP-TO-FASTLOCK CONVERTER

#19
20230392449
2023-12-07

COUPLINGS AND COUPLING SYSTEMS

#20
20230383627
2023-11-30

WELL FRACTURING MANIFOLD APPARATUS

#21
20230383621
2023-11-30

Producing gas through variable bore production tubing

#22
20230349274
2023-11-02

Ring latch locking shaft coupling for bi-directional loading

#23
20230349273
2023-11-02

Spring actuated axially locking shaft coupling for bi-directional loading

#24
20230335938
2023-10-19

Wireline head for cable termination

#25
20230250699
2023-08-10

Threaded joint for production tubing

#26
20230228164
2023-07-20

REMOTELY ACTIVATED CONNECTION DEVICE FOR A SPIRAL SHOULDER CONNECTION

#27
20230212917
2023-07-06

Gooseneck connector system

#28
20230184253
2023-06-15

Electric submersible pump (ESP) assembly with load absorbing coupling

#29
20230182170
2023-06-15

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

#30
20230173539
2023-06-08

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

#31
20230166290
2023-06-01

Methods for preparing coating compositions for protecting oilfield operational components

#32
20230110686
2023-04-13

Subsea line clamp assembly

#33
20230069130
2023-03-02

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

#34
20230039966
2023-02-09

Locking clamp for a rotating control device

#35
20230038419
2023-02-09

Downhole valve spanning a tool joint and methods of making and using same

#36
20230036632
2023-02-02

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

#37
20220389772
2022-12-08

FLEXIBLE CONNECTOR FOR JOINING A COILED TUBING AND A BOTTOM HOLE ASSEMBLY

#38
20220381124
2022-12-01

Flexible fracturing fluid delivery conduit quick connectors

#39
20220380624
2022-12-01

Methods for preparing coating compositions for protecting oilfield operational components

#40
20220372836
2022-11-24

WELLBORE ANCHOR INCLUDING ONE OR MORE ACTIVATION CHAMBERS

#41
20220347720
2022-11-03

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

#42
20220325597
2022-10-13

Integral bellows for oilfield equipment

#43
20220307355
2022-09-29

System, apparatus and method for artificial lift, and improved downhole actuator for same

#44
20220290504
2022-09-15

Managed pressure drilling system and method of use

#45
20220288635
2022-09-15

Methods for preparing coating compositions for protecting oilfield operational components

#46
20220268106
2022-08-25

Locking and rotating device, twister, for tubular casing elements for vertical excavations

#47
20220251915
2022-08-11

Anchor slip assembly with independently deployable wedges

#48
20220228475
2022-07-21

Perforating gun assembly for use within a borehole

#49
20220213759
2022-07-07

System and method for offline cementing in batch drilling

#50
20220195818
2022-06-23

Disruptive coupling systems and methods for subsea systems

#51
20220186569
2022-06-16

WEAR RESISTANT DRILL PIPE

#52
20220176406
2022-06-09

Methods for preparing coating compositions for protecting oilfield operational components

#53
20220145713
2022-05-12

Mill to whipstock connector for a window cutting system

#54
20220136585
2022-05-05

Driveline with double conical bearing joints having polycrystalline diamond power transmission surfaces

#55
20220136336
2022-05-05

Dissolvable downhole connect tool

#56
20220118530
2022-04-21

Quick-release coupling for drilling and related methods

#57
20220112776
2022-04-14

Shape memory alloy shaft alignment coupler for downhole tools

#58
20220098950
2022-03-31

Stabbing manifold and a connection device for use in managed pressure drilling

#59
20220055068
2022-02-24

Methods for preparing coating compositions for protecting oilfield operational components

#60
20220018229
2022-01-20

Well fracturing manifold apparatus

#61
20220018200
2022-01-20

Separable housing assembly for tubular control conduits

#62
20210404257
2021-12-30

APPARATUS, SYSTEMS, AND METHODS FOR A REINFORCED SEAL ELEMENT FOR JOINTS ON A DRILLING TOOL

#63
20210388697
2021-12-16

Modular anti-rotation drilling systems and methods

#64
20210372205
2021-12-02

Downhole Clamp and Methods of Using Same

#65
20210372204
2021-12-02

SYSTEM AND METHOD FOR COUPLING UPPER AND LOWER COMPLETIONS

#66
20210355761
2021-11-18

Well intervention apparatus and method

#67
20210348650
2021-11-11

Mud motor/BHA compression safety catch

#68
20210332648
2021-10-28

Electrical connector

#69
20210324234
2021-10-21

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

#70
20210324233
2021-10-21

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

#71
20210317734
2021-10-14

Methods for protecting oilfield operational components from damage from fluid flow

#72
20210317333
2021-10-14

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

#73
20210317322
2021-10-14

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

#74
20210316333
2021-10-14

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

#75
20210316332
2021-10-14

Coating and methods for extending service life of oilfield operational components

#76
20210310339
2021-10-07

Systems for hanging structures in downhole environments

#77
20210293135
2021-09-23

Logging operations in oil and gas applications

#78
20210270090
2021-09-02

Signal-transparent tubular for downhole operations

#79
20210262888
2021-08-26

In line inspection strain device method and apparatus for performing in line joint inspections

#80
20210262323
2021-08-26

Extended entry port shunting system

#81
20210246740
2021-08-12

Gooseneck connector system

#82
20210246735
2021-08-12

PIPELINE INTEGRATED MANIFOLD

#83
20210207441
2021-07-08

Additive manufacturing controlled failure structure and method of making same

#84
20210198953
2021-07-01

Flexible fracturing fluid delivery conduit quick connectors

#85
20210189802
2021-06-24

Dual rod directional drilling system

#86
20210172276
2021-06-10

Remotely activated connection device for a spiral shoulder connection

#87
20210172262
2021-06-10

Telescopic drill rod

#88
20210148174
2021-05-20

Force transferring wellbore connector

#89
20210140250
2021-05-13

Disruptive coupling systems and methods for subsea systems

#90
20210108741
2021-04-15

Fastening means for fastening of a cable to a tubular body

#91
20210062588
2021-03-04

Locking clamp for a rotating control device

#92
20210040799
2021-02-11

Cable protecting device

#93
20210032939
2021-02-04

DEVICE FOR A COUPLING BOX PORTION OF A STEEL TUBE INTENDED FOR USE IN A TUBULAR HYDROCARBON WORKING STRING

#94
20210023663
2021-01-28

REMOTELY ACTIVATED CONNECTION DEVICE FOR A SPIRAL SHOULDER CONNECTION

#95
20210002987
2021-01-07

COMMINGLING FLOW BETWEEN TRANSPORT TUBES OF A MULTI-TRANSPORT TUBE SHUNT SYSTEM

#96
20210002964
2021-01-07

Inner drilling riser tie-back internal connector

#97
20210001412
2021-01-07

Quick-release coupling for drilling and related methods

#98
20200408046
2020-12-31

Connection system for a well string

#99
20200378202
2020-12-03

Downhole valve spanning a tool joint and methods of making and using same

#100
20200362635
2020-11-19

Dual rod directional drilling system

#101
20200340308
2020-10-29

Guide device

#102
20200325733
2020-10-15

Connector for connecting to a downhole longitudinal member

#103
20200300062
2020-09-24

Methods and assemblies for running and testing tools

#104
20200300040
2020-09-24

Dual rod directional drilling system

#105
20200240223
2020-07-30

Methods and systems for disconnecting casing

#106
20200217177
2020-07-09

Well fracturing manifold apparatus

#107
20200199962
2020-06-25

Deployment devices and related methods for hydraulic fracturing systems

#108
20200199961
2020-06-25

Devices and related methods for hydraulic fracturing

#109
20200190967
2020-06-18

Image based inspection of well equipment

#110
20200190963
2020-06-18

Image based inspection and automated inventory and supply chain management of well equipment

#111
20200190959
2020-06-18

Monitoring rig activities

#112
20200190914
2020-06-18

Dissolvable connector for downhole application

#113
20200157891
2020-05-21

Methods and apparatus for operatively mounting actuators to pipe

#114
20200141200
2020-05-07

Piston-style drilling mud screen system and methods thereof

#115
20200115966
2020-04-16

Coiled tubing connector with internal anchor and external seal

#116
20200056276
2020-02-20

CRACK RESISTANT THERMAL SPRAY ALLOY

#117
20200048994
2020-02-13

Thru-tubing operations

#118
20190345779
2019-11-14

COIL TUBING BOTTOM HOLE ASSEMBLY WITH REAL TIME DATA STREAM

#119
20190323312
2019-10-24

REMOTELY ACTIVATED CONNECTION DEVICE FOR A SPIRAL SHOULDER CONNECTION

#120
20190309577
2019-10-10

Additive manufacturing controlled failure structure and method of making same

#121
20190301274
2019-10-03

Downhole drill bit chassis

#122
20190284895
2019-09-19

Apparatus for connecting a tool string to coiled tubing in downhole operations

#123
20190257159
2019-08-22

Travel joint

#124
20190249806
2019-08-15

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

#125
20190234186
2019-08-01

System and methodology for joining components

#126
20190234153
2019-08-01

Methods and apparatus for operatively mounting actuators to pipe

#127
20190203538
2019-07-04

MODULAR COILED TUBING BOTTOM HOLE ASSEMBLY

#128
20190178060
2019-06-13

Multi-bore jumper interface

#129
20190145568
2019-05-16

Quick coupling with volume displacement passage

#130
20190136675
2019-05-09

FLUID INJECTION FLOW CONTROL DEVICE FOR USE IN OIL WELLS

#131
20190136641
2019-05-09

Telescopic drill rod

#132
20190134739
2019-05-09

Ultrasonic weld between components of an electrical submersible pump assembly

#133
20190128454
2019-05-02

Adjustable frac flow line

#134
20190128074
2019-05-02

Consumable packer element protection for improved run-in times

#135
20190120020
2019-04-25

Pipeline integrated manifold

#136
20190120005
2019-04-25

MODULAR WINDOW MILL ASSEMBLY AND METHOD

#137
20190085884
2019-03-21

Method for creating a high tensile strength joint for connecting rods and fittings

#138
20190078397
2019-03-14

Slip lock connector system

#139
20190071929
2019-03-07

Local electrical room module for well construction apparatus

#140
20190017368
2019-01-17

Position sensing for downhole tools

#141
20190017332
2019-01-17

Multi-purpose through conduit wet-mate connector and method

#142
20190017327
2019-01-17

Whipstocking drill for ultra-short-radius well

#143
20190010765
2019-01-10

Securing means for in-tubing probe retainer

#144
20190010598
2019-01-10

Strengthening mechanism for thermally sprayed deposits

#145
20190003264
2019-01-03

Millable bit to whipstock connector

#146
20180371877
2018-12-27

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

#147
20180363432
2018-12-20

System, apparatus and method for artificial lift, and improved downhole actuator for same

#148
20180356018
2018-12-13

CONNECTOR WITH ACTUATABLE REACTION MEMBERS TO RESIST BENDING LOADS

#149
20180355675
2018-12-13

Rheological fluid lock of shaft to housing

#150
20180340372
2018-11-29

Torque transfer control tool

#151
20180328161
2018-11-15

Braking devices for drilling operations, and systems and methods of using same

#152
20180320506
2018-11-08

Communication through a hanger and wellhead

#153
20180320489
2018-11-08

Installation apparatus and method

#154
20180313171
2018-11-01

Dual rod directional drilling system

#155
20180313169
2018-11-01

Dual rod directional drilling system

#156
20180313157
2018-11-01

Dual rod directional drilling system

#157
20180305992
2018-10-25

Remote operated vehicle removable flexible joint elastomer protection tool

#158
20180298735
2018-10-18

Well fracturing manifold apparatus

#159
20180283151
2018-10-04

FRACTURING MANIFOLD ALIGNMENT SYSTEMS

#160
20180283146
2018-10-04

Movable Coupling for Subsurface Plunger

#161
20180283108
2018-10-04

Communicative coupler for a well system

#162
20180274339
2018-09-27

Mitigating corrosion of carbon steel tubing and surface scaling deposition in oilfield applications

#163
20180209491
2018-07-26

Downhole tool comprising a rotating part with a torque limiting coupling

#164
20180195366
2018-07-12

Shape-Memory Alloy Actuated Fastener

#165
20180187529
2018-07-05

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#166
20180179874
2018-06-28

A FLUID INJECTION FLOW CONTROL DEVICE FOR USE IN OIL WELLS

#167
20180171724
2018-06-21

Running tool lock mechanism

#168
20180141625
2018-05-24

Floating production unit and method of installing a floating production unit

#169
20180128069
2018-05-10

Downhole valve spanning a tool joint and methods of making and using same

#170
20180128059
2018-05-10

Packer retrieval extension for metal to metal sealing in tension and compression

#171
20180119852
2018-05-03

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#172
20180119733
2018-05-03

Thrust bearing alignment

#173
20180100369
2018-04-12

WELLHEAD ASSEMBLY QUICK INSTALL

#174
20180073305
2018-03-15

System for relieving lateral strain on a rod string within a wellbore

#175
20180066774
2018-03-08

Composite drill pipe and method for forming same

#176
20180058153
2018-03-01

Articulating assembly for transmitting rotation between angularly offset members

#177
20180038763
2018-02-08

Quick test sub coiled tubing connector

#178
20170343138
2017-11-30

Composite drill pipe

#179
20170321834
2017-11-09

Pipe ram joint

#180
20170321493
2017-11-09

Pinned coupling with shims for electric submersible pump

#181
20170314379
2017-11-02

Fracturing system with flexible conduit

#182
20170306735
2017-10-26

System, apparatus and method for artificial lift, and improved downhole actuator for same

#183
20170306709
2017-10-26

Sub for accommodating large devices

#184
20170306707
2017-10-26

Friction based thread lock for high torque carrying connections

#185
20170298696
2017-10-19

TRANSITION TOOL AND METHOD

#186
20170254449
2017-09-07

Composite tube to metal joint apparatus

#187
20170241231
2017-08-24

Expandable Anchor Sleeve

#188
20170234080
2017-08-17

Fatigue performance enhancer

#189
20170226817
2017-08-10

Annulus pressure release running tool

#190
20170219137
2017-08-03

Pipe coupling make up assembly

#191
20170211354
2017-07-27

Connection system for subsea flow interface equipment

#192
20170211331
2017-07-27

Additive manufacturing controlled failure structure and method of making same

#193
20170198532
2017-07-13

Hydraulic-mechanical pipe connector for tool connection and pipe splicing

#194
20170198531
2017-07-13

Subsea casing tieback

#195
20170183933
2017-06-29

Connector system

#196
20170183918
2017-06-29

Contraction joint with multiple telescoping sections

#197
20170175489
2017-06-22

Using horizontal directional drilling and liquid nitrogen cyclic freeze-thaw process to improve permeability in gas drainage

#198
20170175459
2017-06-22

Mechanical connector of long torsional and bending fatigue life

#199
20170139147
2017-05-18

Interconnecting optical fibers at a hydrocarbon fluid production facility

#200
20170138131
2017-05-18

Downhole expandable control line connector

#201
20170130555
2017-05-11

Systems and methods for fracturing a multiple well pad

#202
20170114836
2017-04-27

Flexible joint connection

#203
20170114602
2017-04-27

Mechanically coupling a bearing assembly to a rotating control device

#204
20170074434
2017-03-16

Connector with actuatable reaction members to resist bending loads

#205
20170067298
2017-03-09

Bottom hole assembly retrieval for casing-while-drilling operations using a tethered float valve

#206
20170037683
2017-02-09

Method of using a top drive system

#207
20170022767
2017-01-26

Cable protecting device

#208
20170016283
2017-01-19

Pressure and thermal compensation system for subterranean hydraulic control line connectors

#209
20170009533
2017-01-12

Connection apparatus

#210
20170009532
2017-01-12

Perforating gun connectors

#211
20160377178
2016-12-29

Method for sealing a gap sub assembly

#212
20160362967
2016-12-15

Apparatus and method for setting a liner

#213
20160348449
2016-12-01

Connector assembly for connecting a hose to a tubular

#214
20160326838
2016-11-10

Tubing hanger with shuttle rod valve

#215
20160326825
2016-11-10

Systems and methods to reduce break-out torque

#216
20160319609
2016-11-03

Apparatus For The Eccentric Connection of Tubular Members in a Downhole Pumping Apparatus

#217
20160312571
2016-10-27

Cementing tool

#218
20160298431
2016-10-13

Well fracturing manifold apparatus

#219
20160290062
2016-10-06

Downhole expandable control line connector

#220
20160290060
2016-10-06

Energized paek seals

#221
20160265282
2016-09-15

Fiber-reinforced tools for downhole use

#222
20160258248
2016-09-08

Shape-memory alloy actuated fastener

#223
20160251938
2016-09-01

Support device for use in a wellbore and a method for deploying a barrier in a wellbore

#224
20160251913
2016-09-01

Jumper tube locking assembly and method

#225
20160247316
2016-08-25

Three dimensional wellbore visualization

#226
20160237764
2016-08-18

Downhole hole cleaning joints and method of using same

#227
20160237759
2016-08-18

Methods and apparatus for operatively mounting actuators to pipe

#228
20160237758
2016-08-18

Riser clamp assembly

#229
20160237750
2016-08-18

Bottom hole assembly retrieval for casing-while-drilling operations using a tethered float valve

#230
20160230478
2016-08-11

Quick connect for wellbore tubulars

#231
20160194922
2016-07-07

Energy Storage Drill Pipe

#232
20160177638
2016-06-23

CONTROL LINE SECUREMENT METHOD AND SYSTEM

#233
20160168922
2016-06-16

Cable protecting device

#234
20160168920
2016-06-16

HYBRID REVERSE TRANSFER SYSTEM

#235
20160160573
2016-06-09

Drill string, connection system, earth drilling device and method to connect a drill string section

#236
20160097473
2016-04-07

Metal pipe having a connector

#237
20160076347
2016-03-17

Self-contained portable unit for steam generation and injection by means of injector wellhead hanger of coiled jacketed capillary tubing with closed circuit and procedure for its operations in oil wells

#238
20160039076
2016-02-11

FLANGE CATCHING, ALIGNING AND CLOSING TOOL

#239
20160033063
2016-02-04

Composite to metal end fitting joint

#240
20160024892
2016-01-28

Offshore well system with a subsea pressure control system movable with a remotely operated vehicle

#241
20150376993
2015-12-31

Coiled tubing connector for downhole tools

#242
20150368983
2015-12-24

Reciprocating debris exclusion device for downhole connectors

#243
20150361771
2015-12-17

Subsea hydrocarbon production system

#244
20150345257
2015-12-03

Spring clips for tubular connection

#245
20150337607
2015-11-26

Subsea connector assembly

#246
20150337606
2015-11-26

System and method for controlled slip connection

#247
20150315848
2015-11-05

Assembly for producing a galling-resistant threaded tubular connection

#248
20150260005
2015-09-17

Coupling, downhole device, assembly and method

#249
20150252626
2015-09-10

Disconnectable subsea connector

#250
20150233193
2015-08-20

Method and apparatus for subsea hose replacement

#251
20150218909
2015-08-06

Downhole flow control, joint assembly and method

#252
20150218892
2015-08-06

Downhole tool retainer and guide ring

#253
20150176358
2015-06-25

Inner drilling riser tie-back connector for subsea wellheads

#254
20150176349
2015-06-25

PIPE JOINT APPARATUS AND METHOD

#255
20150167399
2015-06-18

COUPLING AND MUD MOTOR TRANSMISSION

#256
20150152696
2015-06-04

Wellhead tubular connector

#257
20150136423
2015-05-21

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

#258
20150129235
2015-05-14

Apparatus and method for connecting fluid lines

#259
20150129207
2015-05-14

METHODS UTILIZING POLYAMIDE-POLY(PHENYLENE ETHER) COMPOSITIONS

#260
20150122478
2015-05-07

Modular connector

#261
20150114667
2015-04-30

High strength inlay to improve lock-down capacity in a wellhead

#262
20150101790
2015-04-16

Time delayed secondary retention mechanism for safety joint in a wellbore

#263
20150083541
2015-03-26

Anti-stall mechanism

#264
20150075815
2015-03-19

Apparatus and methods setting a string at particular locations in a wellbore for performing a wellbore operation

#265
20150069755
2015-03-12

High pressure remote connector with self-aligning geometry

#266
20150060043
2015-03-05

Flexible electrical submersible pump and pump assembly

#267
20150048611
2015-02-19

Slip-on connector to grip and seal on smooth OD pipe/casing and method of use

#268
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2015-02-12

UNCOUPLING DEVICE FOR CONNECTING A DRILLING TOOL TO THE END OF A DRILLING COLUMN AND A DRILLING SYSTEM COMPRISING SUCH AN UNCOUPLING DEVICE

#269
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2015-02-12

Retention device for drill pipe transmission line

#270
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2015-02-12

Coupling for a cement head

#271
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2015-01-15

Bell nipple assembly apparatus and methods

#272
20150008040
2015-01-08

Drilling device and drilling method

#273
20140374113
2014-12-25

Systems and Methods for Bracing Subsea Wellheads to Enhance the Fatigue Resistance of Subsea Wellheads and Primary Conductors

#274
20140370995
2014-12-18

FLEXIBLE JOINT CONNECTION

#275
20140345856
2014-11-27

Method for establishing a relief well

#276
20140326468
2014-11-06

Method of using a top drive system

#277
20140318809
2014-10-30

Connector device for use in wireline intervention operations

#278
20140318800
2014-10-30

Hydrostatic tubular lifting system

#279
20140262307
2014-09-18

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

#280
20140262266
2014-09-18

Cementing tool

#281
20140251632
2014-09-11

Subsea hydrocarbon production system

#282
20140241810
2014-08-28

Connector arrangement for a subsea pipeline

#283
20140238750
2014-08-28

Tubular drill stem component and method for tensioning a communication tube mounted in said component

#284
20140231097
2014-08-21

Securing connections in alternate path well screens

#285
20140231090
2014-08-21

Lightweight and compact subsea intervention package and method

#286
20140224546
2014-08-14

Drill stem element and corresponding drill pipe

#287
20140197004
2014-07-17

Gearbox lock mechanism

#288
20140196910
2014-07-17

Apparatus and methods of running casing

#289
20140196886
2014-07-17

Apparatus for connecting and disconnecting a downhole assembly

#290
20140196882
2014-07-17

Rod attached apparatus for connecting a rotating drive rod string to a downhole assembly

#291
20140179448
2014-06-26

Flexible joint connection

#292
20140174749
2014-06-26

METHOD AND APPARATUS FOR DOWNHOLE INSTALLATION OF COILED TUBING STRINGS

#293
20140166309
2014-06-19

Pressure compensation device for thread connections

#294
20140166299
2014-06-19

Arrangement in a hose connection between a wellhead and a surface installation

#295
20140151055
2014-06-05

Apparatus and methods usable for connecting well equipment

#296
20140145432
2014-05-29

Landing pipe

#297
20140144650
2014-05-29

LOCKDOWN SYSTEM FOR USE IN A WELLHEAD ASSEMBLY

#298
20140144648
2014-05-29

Connector

#299
20140144619
2014-05-29

Resettable selective locking device

#300
20140102714
2014-04-17

Drilling tool system and method of manufacture