ClassID:

135293

E21B17/02 - page 2 - CPC Classification

Classification description:

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

Recent Application in this class:
#301
20140086681
2014-03-27

For downhole reciprocating pumps, a no tap tool with a clutch

#302
20140054891
2014-02-27

Coupling for connecting tubular elements for bottom-hole assemblies

#303
20140041945
2014-02-13

Electromagnetic coupler

#304
20140008052
2014-01-09

Resettable selective locking device

#305
20130333893
2013-12-19

Submersible progressive cavity pump driver

#306
20130327542
2013-12-12

Jumper tube locking assembly and method

#307
20130306316
2013-11-21

SEPARABLE COMPLETION ARCHITECTURE

#308
20130292134
2013-11-07

Assembly And Method To Secure Tubing String to Blowout Preventer

#309
20130264070
2013-10-10

Misalignment-tolerant wellsite connection assembly, system, and method

#310
20130248209
2013-09-26

HIGH PRESSURE TIE BACK RECEPTACLE AND SEAL ASSEMBLY

#311
20130240214
2013-09-19

Device for handling hoses of a working well for a drilling rig

#312
20130228375
2013-09-05

Navigation system

#313
20130213668
2013-08-22

Well tool assemblies with quick connectors and shock mitigating capabilities

#314
20130186614
2013-07-25

Wellhead tubular connector

#315
20130180728
2013-07-18

Welded Downhole Components and Method of Forming Same

#316
20130175038
2013-07-11

Integral fracturing manifold

#317
20130161027
2013-06-27

Unequal load collet and method of use

#318
20130153297
2013-06-20

Adjustable bent drilling tool having in situ drilling direction change capability

#319
20130153208
2013-06-20

Downhole tool retainer and guide ring and methods of fabricating the same

#320
20130136542
2013-05-30

Sub-sea apparatus and operating method

#321
20130105146
2013-05-02

Perforating gun spacer

#322
20130076025
2013-03-28

Threaded end connector attachment for an end of a tube

#323
20130075082
2013-03-28

Transition end for a plastic pipe and method of installation

#324
20130068471
2013-03-21

Transition tool and method

#325
20130056538
2013-03-07

Identification tags and systems suitable for thin-walled components

#326
20130056222
2013-03-07

Multiple control line assembly for downhole equipment

#327
20120318519
2012-12-20

Apparatus and method for connecting fluid lines

#328
20120306199
2012-12-06

TUBULAR COMPONENT FOR HYDROCARBON WELL EXPLORATION

#329
20120298376
2012-11-29

Tubular coupling device

#330
20120280492
2012-11-08

Composite drill pipe and method for forming same

#331
20120273272
2012-11-01

LOCKABLE CORE BARREL HEAD FOR DRILLING SYSTEM AND SURVEY INSTRUMENT ASSEMBLY PROVIDED WITH A CONNECTION LINK FOR ARRANGEMENT IN A DRILLING SYSTEM

#332
20120273214
2012-11-01

Connection system for subsea flow interface equipment

#333
20120255790
2012-10-11

Dual pipe for increased fluid flow

#334
20120255742
2012-10-11

Borehole metal member bonding system and method

#335
20120241170
2012-09-27

Well tool assemblies with quick connectors and shock mitigating capabilities

#336
20120241169
2012-09-27

WELL TOOL ASSEMBLIES WITH QUICK CONNECTORS AND SHOCK MITIGATING CAPABILITIES

#337
20120241165
2012-09-27

Thermal insulation for pipes in a drill pipe riser, tubular segment and thermal insulation system for joint couplings

#338
20120211244
2012-08-23

Top drive system

#339
20120205095
2012-08-16

Wellbore method and apparatus for completion, production and injection

#340
20120205094
2012-08-16

Wellbore method and apparatus for completion, production and injection

#341
20120199342
2012-08-09

Wellbore method and apparatus for completion, production and injection

#342
20120175128
2012-07-12

METHOD AND APPARATUS FOR DISSIMILAR METAL COMPLETION SYSTEM

#343
20120125636
2012-05-24

Remote operation of a rotating control device bearing clamp

#344
20120098257
2012-04-26

Composite drill pipe and method for forming same

#345
20120018998
2012-01-26

Non basepipe-welded accessory attachment

#346
20110290497
2011-12-01

Subsea hydrocarbon production system

#347
20110284291
2011-11-24

Tension/Collar/Reamer Assemblies And Methods

#348
20110266057
2011-11-03

Device including an apparatus for measuring drilling or coring operation parameters, and equipment including such a device

#349
20110139458
2011-06-16

Well completion with hydraulic and electrical wet connect system

#350
20110132616
2011-06-09

Wellbore method and apparatus for completion, production and injection

#351
20110132596
2011-06-09

Wellbore method and apparatus for completion, production and injection

#352
20110127085
2011-06-02

Modular connector and method

#353
20110121568
2011-05-26

Swellable connection system and method of using the same

#354
20110101682
2011-05-05

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

#355
20110095526
2011-04-28

Wellhead tubular connector

#356
20110089685
2011-04-21

System and method for forming a coiled tubing connection

#357
20110037251
2011-02-17

Wellhead pipe coupling

#358
20110036138
2011-02-17

Process for making upsets for oilfield drill pipe

#359
20110016998
2011-01-27

Spiral body lock and method

#360
20100319931
2010-12-23

System and method for connecting communication lines in a well environment

#361
20100289225
2010-11-18

Pressure testable tubing connection

#362
20100230167
2010-09-16

Tension/collar/reamer assemblies and methods

#363
20100206583
2010-08-19

Downhole tubular connector

#364
20100170680
2010-07-08

Modular well tool system

#365
20100140931
2010-06-10

Method of energizing a connector

#366
20100139919
2010-06-10

Gravel packing methods

#367
20100101792
2010-04-29

Cement head

#368
20100096848
2010-04-22

Method of connecting coiled tubing to a connector

#369
20100059232
2010-03-11

SYSTEM AND METHOD FOR RETAINING AN ELEMENT

#370
20100059223
2010-03-11

Shrouded tubular

#371
20100012326
2010-01-21

Lightweight and compact subsea intervention package and method

#372
20090278348
2009-11-12

Composite coiled tubing end connector

#373
20090277646
2009-11-12

Method and system of hydraulic control line connection

#374
20090261575
2009-10-22

Adjustable Length Discharge Joint for High Pressure Applications

#375
20090229817
2009-09-17

Modular connector and method

#376
20090211815
2009-08-27

Dual pipe for increased fluid flow

#377
20090205837
2009-08-20

Hydraulic connector apparatuses and methods of use with downhole tubulars

#378
20090173498
2009-07-09

Screen coupler for modular screen packs

#379
20090159270
2009-06-25

Shunt tube connector lock

#380
20090151934
2009-06-18

Top drive system

#381
20090102133
2009-04-23

Downhole tubular sealing system

#382
20090101328
2009-04-23

COMPOSITE DRILL PIPE AND METHOD OF FORMING SAME

#383
20090057029
2009-03-05

Stripper rubber retracting connection system

#384
20090025936
2009-01-29

Connection system for subsea flow interface equipment

#385
20080315582
2008-12-25

High pressure energizable tube connector for a well

#386
20080264644
2008-10-30

Method and apparatus for connecting drilling riser strings and compositions thereof

#387
20080245570
2008-10-09

Modular connector and method

#388
20080217914
2008-09-11

Method of assembling sucker rods and end fittings

#389
20080142266
2008-06-19

Tension/collar/reamer assemblies and methods

#390
20080142227
2008-06-19

Wellbore method and apparatus for completion, production and injection

#391
20080128129
2008-06-05

Gravel packing methods

#392
20080048443
2008-02-28

Fishtail bore seal

#393
20080047716
2008-02-28

System and method for forming a coiled tubing connection

#394
20080041579
2008-02-21

Downhole reciprocating pumps, a non tap tool with a clutch

#395
20070223992
2007-09-27

Knuckle swivel for servicing wells

#396
20070114042
2007-05-24

Hydraulic latch for capillary tubing string

#397
20070096465
2007-05-03

High pressure connection

#398
20070062708
2007-03-22

Modular well tool system

#399
20070056744
2007-03-15

Sealing tubing

#400
20070039757
2007-02-22

Tension/collar/reamer assemblies and methods

#401
20070000669
2007-01-04

Coiled tubing dimple connection

#402
20060283606
2006-12-21

Modular connector and method

#403
20060283604
2006-12-21

Shunt tube connector lock

#404
20060279078
2006-12-14

Joining tubular members

#405
20060243454
2006-11-02

System and method for forming downhole connections

#406
20060203612
2006-09-14

Sonde System Including Rotationally and Vertically Offset Tools

#407
20050200127
2005-09-15

Joining tubular members

#408
20050127671
2005-06-16

Sealing tubing

#409
20050039910
2005-02-24

Expandable tubes with overlapping end portions

#410
18766380
2025-07-01

Running tool cartridge system and method

#411
18176744
2024-02-06

Wellhead connector assembly with replaceable sealing member

#412
17867649
2023-09-19

Swivel device for rotating a bowl

#413
17570074
2023-03-21

Wellhead connector assembly with replaceable sealing member

#414
17080473
2021-12-14

Well fracturing system and method

#415
17068519
2022-07-19

Swivel device for rotating a bowl

#416
16872030
2020-10-13

Swivel device for rotating a bowl

#417
16410791
2020-05-12

Swivel device for rotating a bowl

#418
14618920
2016-02-16

Anti-rotation tubular casing connection and threaded pipe connector

#419
14133315
2016-05-03

End ring for use with frac tubulars

#420
13921588
2018-01-16

Sucker rod apparatus and methods for manufacture and use