ClassID:

135407

E21B23/02 - page 2 - CPC Classification

Classification description:

Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

Recent Application in this class:
#301
20140166273
2014-06-19

Rotating control device docking station

#302
20140158348
2014-06-12

Multi-position weight down locating tool

#303
20140151019
2014-06-05

Magnetic key for operating a multi-position downhole tool

#304
20140144645
2014-05-29

INTERNAL TREE CAP AND ITC RUNNING TOOL

#305
20140144619
2014-05-29

Resettable selective locking device

#306
20140144617
2014-05-29

System for circumferentially aligning a downhole latch subsystem

#307
20140134013
2014-05-15

Immersion pump and method for assembling an immersion pump

#308
20140124269
2014-05-08

Centralizer for downhole probes

#309
20140124215
2014-05-08

Convertible downhole devices

#310
20140124199
2014-05-08

Tubular assembly and method of deploying a downhole device using a tubular assembly

#311
20140060809
2014-03-06

Back pressure valve

#312
20140014371
2014-01-16

Expandable downhole seat assembly

#313
20140008052
2014-01-09

Resettable selective locking device

#314
20130327546
2013-12-12

Tubing string with latch system

#315
20130319687
2013-12-05

Apparatus configuration downhole

#316
20130315032
2013-11-28

Methods and systems for deploying seismic devices

#317
20130313024
2013-11-28

Core drilling tools with retractably lockable driven latch mechanisms

#318
20130307266
2013-11-21

Oil-well tubular anchoring system for LWD/MWD tools

#319
20130248180
2013-09-26

Retrievable cementing bushing system

#320
20130206397
2013-08-15

Apparatus and method for positioning and orienting a borehole tool

#321
20130175027
2013-07-11

High pressure lock assembly

#322
20130153207
2013-06-20

Subterranean tool with multiple release capabilities

#323
20130146365
2013-06-13

Quickly reconfigurable core barrel head assembly

#324
20130068451
2013-03-21

Tools and methods for use in completion of a wellbore

#325
20130043047
2013-02-21

Degradable no-go component

#326
20120325466
2012-12-27

Fracturing port locator and isolation tool

#327
20120298377
2012-11-29

Velocity strings

#328
20120241146
2012-09-27

Wireless downhole tool positioning system

#329
20120234561
2012-09-20

Dual wiper plug system

#330
20120211224
2012-08-23

Wireless downhole tool positioning system

#331
20120186824
2012-07-26

Selective sleeve system and method of moving a sleeve

#332
20120186806
2012-07-26

Dog with skirt to transfer housing loads in a subterranean tool

#333
20120186805
2012-07-26

Lock mandrel load distribution apparatus

#334
20120186804
2012-07-26

Tapered dog configuration to share stress in a housing of a subterranean tool

#335
20120175108
2012-07-12

Test packer and method for use

#336
20120168178
2012-07-05

Well tool with shearable collet

#337
20120168148
2012-07-05

Flexible collet anchor assembly with compressive load transfer feature

#338
20120160516
2012-06-28

System and method for positioning a bottom hole assembly in a horizontal well

#339
20120152567
2012-06-21

Downhole release joint with radially expandable member

#340
20120132441
2012-05-31

Wellhead assembly with telescoping casing hanger

#341
20120120769
2012-05-17

Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates

#342
20120118567
2012-05-17

Method and Apparatus for Maintaining Pressure In Well Cementing During Curing

#343
20120111557
2012-05-10

Landing sub for a wiper

#344
20120090894
2012-04-19

Locking device for a drilling device

#345
20120090847
2012-04-19

Tools and methods for use in completion of a wellbore

#346
20120090832
2012-04-19

Downhole actuator

#347
20120074722
2012-03-29

Head assembly

#348
20120067595
2012-03-22

Remotely operated isolation valve

#349
20120012338
2012-01-19

Selective and non-selective lock mandrel assembly having upward biased inner sleeve

#350
20110315400
2011-12-29

TUBULAR POSITIONING SYSTEM AND METHOD OF SELECTIVELY POSITIONING TUBULARS

#351
20110308817
2011-12-22

Multi-zone fracturing completion

#352
20110308797
2011-12-22

Wireless downhole tool positioning system

#353
20110290485
2011-12-01

Method and apparatus for maintaining pressure in well cementing during curing

#354
20110284238
2011-11-24

INSERTABLE SURFACE-DRIVEN PUMP

#355
20110278020
2011-11-17

Shearing tool and methods of use

#356
20110277986
2011-11-17

Running adapter

#357
20110240282
2011-10-06

Well assembly with recesses facilitating branch wellbore creation

#358
20110226489
2011-09-22

Differential shifting tool and method of shifting

#359
20110220346
2011-09-15

Downhole actuator

#360
20110187062
2011-08-04

COLLET SYSTEM

#361
20110180274
2011-07-28

Deformable dart and method

#362
20110180272
2011-07-28

Wet connection system for downhole equipment

#363
20110168412
2011-07-14

Large bore packer and methods of setting same

#364
20110168392
2011-07-14

Remote operation of an oilfield device

#365
20110162839
2011-07-07

RETROFIT WELLBORE FLUID INJECTION SYSTEM

#366
20110139437
2011-06-16

Wireline Run Mechanically or Hydraulically Operated Subterranean Insert Barrier Valve and Associated Landing Nipple

#367
20110132614
2011-06-09

Wireline run mechanically or hydraulically operated subterranean insert barrier valve and associated landing nipple

#368
20110120774
2011-05-26

Drill bit and method for inserting, expanding, collapsing, and retrieving drill bit

#369
20110120731
2011-05-26

Tool positioning and latching system

#370
20110120703
2011-05-26

Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates

#371
20110114330
2011-05-19

Combination well pipe centralizer and overpull indicator

#372
20110079436
2011-04-07

Core drilling tools with retractably lockable driven latch mechanisms

#373
20110079435
2011-04-07

Driven latch mechanism

#374
20110061864
2011-03-17

WIRELESS PIPE RECOVERY AND PERFORATING SYSTEM

#375
20110061856
2011-03-17

Tubular seat and tubular actuating system

#376
20110057395
2011-03-10

SEAL ELEMENT

#377
20110056678
2011-03-10

Reduced wear position indicating subterranean tool

#378
20110048726
2011-03-03

Internal tree cap and ITC running tool

#379
20110011579
2011-01-20

Apparatus and system to allow tool passage ahead of a bit

#380
20110005774
2011-01-13

Single trip, tension set, metal-to-metal sealing, internal lockdown tubing hanger

#381
20110005772
2011-01-13

System, device, and method of installation of a pump below a formation isolation valve

#382
20100258319
2010-10-14

Back pressure valve

#383
20100252273
2010-10-07

Convertible downhole devices

#384
20100236792
2010-09-23

Expanding multiple tubular portions

#385
20100206581
2010-08-19

Shearing tool and methods of use

#386
20100195436
2010-08-05

Methods and systems for deploying seismic devices

#387
20100170681
2010-07-08

Tree plug

#388
20100147509
2010-06-17

Large bore packer and methods of setting same

#389
20100132955
2010-06-03

METHOD AND SYSTEM FOR DEPLOYING SENSORS IN A WELL BORE USING A LATCH AND MATING ELEMENT

#390
20100132954
2010-06-03

Ball seat assembly and method of controlling fluid flow through a hollow body

#391
20100126776
2010-05-27

Subsea drilling with casing

#392
20100126734
2010-05-27

Method and apparatus for retrieving and installing a drill lock assembly for casing drilling

#393
20100108323
2010-05-06

Reliable Sleeve Activation for Multi-Zone Frac Operations Using Continuous Rod and Shifting Tools

#394
20100059290
2010-03-11

Apparatus and system to allow tool passage ahead of a bit

#395
20100032151
2010-02-11

Convertible downhole devices and method of performing downhole operations using convertible downhole devices

#396
20100025047
2010-02-04

Method and apparatus for retrieving an assembly from a wellbore

#397
20090314485
2009-12-24

Safety device for an oil well and associated safety installation

#398
20090301705
2009-12-10

Universal pump holddown system

#399
20090294136
2009-12-03

Surface controlled subsurface safety valve having integral pack-off

#400
20090294135
2009-12-03

Retrievable surface controlled subsurface safety valve

#401
20090294134
2009-12-03

Capillary hanger arrangement for deploying control line in existing wellhead

#402
20090294124
2009-12-03

SYSTEM AND METHOD FOR SHIFTING A TOOL IN A WELL

#403
20090288879
2009-11-26

System to perforate a cemented liner having lines or tools outside the liner

#404
20090283273
2009-11-19

WELL CONSTRUCTION AND COMPLETION

#405
20090272544
2009-11-05

Tools and methods for hanging and/or expanding liner strings

#406
20090266556
2009-10-29

Formation isolation valve

#407
20090266544
2009-10-29

Signal operated tools for milling, drilling, and/or fishing operations

#408
20090229838
2009-09-17

Large bore packer and methods of setting same

#409
20090188676
2009-07-30

Large inside diameter completion with position indication

#410
20090173495
2009-07-09

Drifting tubing

#411
20090159296
2009-06-25

Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore

#412
20090159268
2009-06-25

Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore

#413
20090126945
2009-05-21

Anchoring and sealing system for cased hole wells

#414
20090114401
2009-05-07

Plug

#415
20090057015
2009-03-05

Apparatus and methods for drilling wellbores that utilize a detachable reamer

#416
20080246273
2008-10-09

Positive Indication of Latching in an Inner and Outer Tube Assembly, Especially for Downhole Assemblies

#417
20080230233
2008-09-25

Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore

#418
20080223572
2008-09-18

Method for drilling and casing a wellbore with a pump down cement float

#419
20080210471
2008-09-04

Rotating control device docking station

#420
20080110643
2008-05-15

Large bore packer and methods of setting same

#421
20070261862
2007-11-15

Downhole method using multiple plugs

#422
20070221384
2007-09-27

Frac system without intervention

#423
20070221373
2007-09-27

Disappearing plug

#424
20070204993
2007-09-06

Method for drilling and casing a wellbore with a pump down cement float

#425
20070204986
2007-09-06

Millable pre-installed plug

#426
20070187114
2007-08-16

Method and apparatus to complete a well having tubing inserted through a valve

#427
20070158069
2007-07-12

Method for drilling and casing a wellbore with a pump down cement float

#428
20070158066
2007-07-12

Docking receiver of a zone isolation assembly for a subsurface well

#429
20070144741
2007-06-28

METHOD AND SYSTEM FOR TOOL ORIENTATION AND POSITIONING AND PARTICULATE MATERIAL PROTECTION WITHIN A WELL CASING FOR PRODUCING HYDROCARBON BEARING FORMATIONS INCLUDING GAS HYDRATES

#430
20070144738
2007-06-28

Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates

#431
20070119597
2007-05-31

Expanding multiple tubular portions

#432
20070079970
2007-04-12

Retrievable downhole pumping system

#433
20070029095
2007-02-08

Apparatus and method for running a radially expandable tubular member

#434
20060278402
2006-12-14

Casing and drill pipe filling and circulating method

#435
20060243450
2006-11-02

Method of deploying and powering an electrically driven in a well

#436
20060225878
2006-10-12

Downhole position locating device with fluid metering feature

#437
20060219413
2006-10-05

Upper-completion single trip system with hydraulic internal seal receptacle assembly

#438
20060207764
2006-09-21

Testing, treating, or producing a multi-zone well

#439
20060191688
2006-08-31

Multilateral reference point

#440
20060169459
2006-08-03

Method and apparatus to complete a well having tubing inserted through a valve

#441
20060159400
2006-07-20

Fiber optic delivery system and side pocket mandrel removal system

#442
20060124312
2006-06-15

Technique and apparatus for completing multiple zones

#443
20060118298
2006-06-08

Wellstring assembly

#444
20060102348
2006-05-18

Drifting tubing

#445
20050274518
2005-12-15

Separable plug for use in a wellbore

#446
20050274511
2005-12-15

Separable plug for use with a wellbore tool

#447
20050257935
2005-11-24

Perimetrically loading collet

#448
20050217846
2005-10-06

Device for a long well tool

#449
20050139357
2005-06-30

Translating downhole tool

#450
20050098325
2005-05-12

Control system communication and lock open tool and method for locking open a safety valve and communicating with surface

#451
20050067169
2005-03-31

Modular weight bar

#452
20050051342
2005-03-10

Liner running system and method

#453
20050029017
2005-02-10

Well string assembly

#454
20050000693
2005-01-06

Release tool for coiled tubing

#455
18771059
2025-10-21

Internal latching apparatus

#456
15901381
2018-10-02

Downhole safety valve and method of application

#457
14635899
2016-11-15

Systems and methods for production zone control

#458
13374403
2015-10-06

On/off tool running and well completion method and assembly