ClassID:

135401

E21B23/00 - page 2 - CPC Classification

Classification description:

Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells

Recent Application in this class:
#301
20170291790
2017-10-12

Self-retractable coiled electrical cable

#302
20170284191
2017-10-05

Instrumented multilateral wellbores and method of forming same

#303
20170268307
2017-09-21

Applications of degradable polymer for delayed mechanical changes in wells

#304
20170247971
2017-08-31

Downhole sealing tool

#305
20170247963
2017-08-31

Eccentric linkage gripper

#306
20170247962
2017-08-31

Method of Retrieving a Flow Back Jet Pump from an Oil Well

#307
20170241239
2017-08-24

One trip blowout preventer cleaning and pressure testing

#308
20170241219
2017-08-24

Well telemetry with autonomous robotic diver

#309
20170239727
2017-08-24

Methods of forming triggering elements for expandable apparatus for use in subterranean boreholes

#310
20170226814
2017-08-10

Flexible smart release tool

#311
20170191341
2017-07-06

Bridge plug apparatuses containing a magnetorheological fluid and methods for use thereof

#312
20170191330
2017-07-06

Mechanical hammering tool for use in oil wells

#313
20170191327
2017-07-06

Wireline Tractor Comprising A Disc-Shaped Cutting Device for Perforating of A Tubing Wall and Method for Perforating a Tubing Wall

#314
20170152721
2017-06-01

Hanger running system and method

#315
20170145801
2017-05-25

Downhole stimulation system

#316
20170145760
2017-05-25

DYNAMICALLY AUTOMATED ADJUSTABLE DOWNHOLE CONVEYANCE TECHNIQUE FOR AN INTERVENTIONAL APPLICATION

#317
20170138138
2017-05-18

Shifting sleeve device and method

#318
20170130563
2017-05-11

Overtensioning fastening tool

#319
20170130535
2017-05-11

Coiled tubing split-type running and retrievable clamp tool

#320
20170114636
2017-04-27

Dual function downhole tool

#321
20170107792
2017-04-20

Electromechanical shifting tool

#322
20170101843
2017-04-13

Retrievable plugging tool for tubing

#323
20170096879
2017-04-06

Downhole flow device

#324
20170067304
2017-03-09

Telemetry operated cementing plug release system

#325
20170067298
2017-03-09

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

#326
20170058622
2017-03-02

Hanger seal assembly

#327
20170044675
2017-02-16

Methods of manufacturing dissolvable tools via liquid-solid state molding

#328
20170037692
2017-02-09

Setting a downhole tool in a wellbore

#329
20170030159
2017-02-02

Pulling tool electromechanical actuated release

#330
20170022777
2017-01-26

Ball injector for frac tree

#331
20170016306
2017-01-19

Apparatus to activate a downhole tool by way of electromagnets via wireline current

#332
20170016292
2017-01-19

Activation mechanism for a downhole tool and a method thereof

#333
20170016291
2017-01-19

Laser propelled tractor with laser operated logging tools

#334
20170009555
2017-01-12

Testable backpressure valve system

#335
20170009553
2017-01-12

Consumable downhole packer or plug

#336
20160369596
2016-12-22

MAGNETIC DOWNHOLE TOOL AND RELATED SUBASSEMBLIES HAVING MU-METALLIC SHIELDING

#337
20160369593
2016-12-22

Downhole tool

#338
20160362959
2016-12-15

Sealing a portion of a wellbore

#339
20160362958
2016-12-15

Sealing a portion of a wellbore

#340
20160362953
2016-12-15

Tractor traction control for cased hole

#341
20160340994
2016-11-24

Advancement of a tubular string into a wellbore

#342
20160335464
2016-11-17

Radio frequency identification tag delivery system

#343
20160326831
2016-11-10

Force transferring member for use in a tool

#344
20160326825
2016-11-10

Systems and methods to reduce break-out torque

#345
20160326819
2016-11-10

Telemetry operated setting tool

#346
20160319618
2016-11-03

Wireline tractor comprising a disc-shaped cutting device for perforating of a tubing wall and method for perforating a tubing wall

#347
20160305207
2016-10-20

Downhole tool stop device and method for use of same

#348
20160305206
2016-10-20

One trip interventionless liner hanger and packer setting apparatus and method

#349
20160298402
2016-10-13

Activating tool for displacing of a component in a well tube and method for adjusting the activating tool

#350
20160290047
2016-10-06

Downhole tools and methods of controlling downhole tools

#351
20160281474
2016-09-29

Downhole method and apparatus

#352
20160281458
2016-09-29

Retrievable downhole tool

#353
20160281451
2016-09-29

Rope socket

#354
20160281450
2016-09-29

Gripper assembly for downhole tools

#355
20160281442
2016-09-29

Adjustable shear assembly

#356
20160279709
2016-09-29

Method of making and using a functionally gradient composite tool

#357
20160273302
2016-09-22

Back pressure valve

#358
20160273287
2016-09-22

Packer release compaction joint

#359
20160265298
2016-09-15

Multi-metal seal system

#360
20160265293
2016-09-15

Downhole system and method for fastening upper and lower casings via expandable metal sleeve

#361
20160258280
2016-09-08

Well tools having magnetic shielding for magnetic sensor

#362
20160258233
2016-09-08

Release tool with adjustable release rod for a drill string inside blowout preventer

#363
20160245028
2016-08-25

Running and pulling tool for use with rotating control device

#364
20160230518
2016-08-11

Method and apparatus for detecting plunger arrival

#365
20160215577
2016-07-28

Manipulation tool and method of using same, and an adapter for use together with the manipulation tool

#366
20160215576
2016-07-28

Completion systems with flow restrictors

#367
20160201414
2016-07-14

System for releasing a cement plug

#368
20160194938
2016-07-07

Flow guides for regulating pressure change in hydraulically-actuated downhole tools

#369
20160186512
2016-06-30

Logging tool

#370
20160168962
2016-06-16

Assembly and method for multi-zone fracture stimulation of a reservoir using autonomous tubular units

#371
20160168947
2016-06-16

Packer plug with retractable latch, downhole system, and method of retracting packer plug from packer

#372
20160168935
2016-06-16

Packer or bridge plug backup release system of forcing a lower slip cone from a slip assembly

#373
20160145971
2016-05-26

Alignment apparatus for a sliding sleeve subterranean tool

#374
20160130894
2016-05-12

Flow back jet pump

#375
20160123129
2016-05-05

Short hop communications for a setting tool

#376
20160123106
2016-05-05

Retrieval of compressed packers from a wellbore

#377
20160116889
2016-04-28

Optimizing power delivered to an electrical actuator

#378
20160108690
2016-04-21

Downhole apparatus and method of use

#379
20160084018
2016-03-24

Completion method featuring a thermally actuated lock assembly for a telescoping joint

#380
20160076327
2016-03-17

Downhole casing pulling tool

#381
20160069146
2016-03-10

Real-time extended-reach monitoring and optimization method for coiled tubing operations

#382
20160069145
2016-03-10

Utilizing dissolvable metal for activating expansion and contraction joints

#383
20160061018
2016-03-03

Conditional occlusion release device

#384
20160053586
2016-02-25

Manufacturing method and apparatus for a collet assembly with congruent corners

#385
20160053585
2016-02-25

Shifting tool collet with rolling component

#386
20160053584
2016-02-25

Non-marring shifting tool collet

#387
20160053583
2016-02-25

Shifting tool collet with axial ridge and edge relief

#388
20160053562
2016-02-25

Methods for autonomously activating a shifting tool

#389
20160032670
2016-02-04

Shifting tool

#390
20160017677
2016-01-21

Release valve used in an inner tube assembly for use with a core barrel

#391
20160002999
2016-01-07

Isolation devices containing a transforming matrix and a galvanically-coupled reinforcement area

#392
20150376967
2015-12-31

Gripper assembly for downhole tools

#393
20150369039
2015-12-24

Bridge type concentric direct reading testing and commissioning instrument

#394
20150368995
2015-12-24

Hydrostatic setting tool

#395
20150361747
2015-12-17

MULTISTAGE WELL SYSTEM AND TECHNIQUE

#396
20150354301
2015-12-10

Electrodynamic and electromagnetic suspension system tractor

#397
20150345256
2015-12-03

Downhole actuation apparatus and associated methods

#398
20150337628
2015-11-26

Mechanically actuated variable choke system for subterranean use

#399
20150330170
2015-11-19

Hydro-mechanical downhole tool

#400
20150330169
2015-11-19

Enhanced Wellhead Clamp Type Hub Connection

#401
20150322777
2015-11-12

System and method for triggering a downhole tool

#402
20150322739
2015-11-12

Method for aligning MWD tool using orienting hanger assembly

#403
20150315852
2015-11-05

Adjustable mudline tubing hanger suspension system

#404
20150315849
2015-11-05

Load cross-over slip-joint mechanism and method of use

#405
20150300113
2015-10-22

Well runner

#406
20150300112
2015-10-22

Casing spear with mechanical locking feature

#407
20150300111
2015-10-22

Bi-directional locking liner hanger with pressure balanced setting mechanism

#408
20150292282
2015-10-15

Apparatus and method for pulling and laying poly pipe

#409
20150259996
2015-09-17

On-demand release tool system and methodology

#410
20150259995
2015-09-17

Alignment assembly

#411
20150252640
2015-09-10

Pressure actuated frack ball releasing tool

#412
20150252635
2015-09-10

Tubing hanger running tool system and method

#413
20150247373
2015-09-03

Well

#414
20150247368
2015-09-03

Releasing a downhole tool

#415
20150240597
2015-08-27

Casing valve

#416
20150240592
2015-08-27

Well comprising a safety mechanism and sensors

#417
20150226036
2015-08-13

PACKER PLUG RETRIEVAL TOOL AND RELATED METHODS

#418
20150211318
2015-07-30

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

#419
20150211312
2015-07-30

Eccentric linkage gripper

#420
20150167715
2015-06-18

Expansion anchor

#421
20150152701
2015-06-04

Running tool with overshot sleeve

#422
20150144335
2015-05-28

POWER RETRIEVING TOOL

#423
20150136426
2015-05-21

Retrievable horizontal spool tree sealing method and seal assembly

#424
20150136425
2015-05-21

Automated remote actuation system

#425
20150136416
2015-05-21

Downhole apparatus

#426
20150136406
2015-05-21

Subsea Intervention Plug Pulling Device

#427
20150136398
2015-05-21

RETRIEVAL TOOL AND METHODS OF USE

#428
20150136395
2015-05-21

Telemetry operated cementing plug release system

#429
20150136394
2015-05-21

Running tool

#430
20150136393
2015-05-21

Telemetry operated setting tool

#431
20150122511
2015-05-07

Bridge plug tool

#432
20150114618
2015-04-30

OVERVOLTAGE FASTENING TOOL

#433
20150107852
2015-04-23

Downhole control device

#434
20150096766
2015-04-09

Floating device running tool

#435
20150090440
2015-04-02

Applications of degradable polymer for delayed mechanical changes in wells

#436
20150083438
2015-03-26

DOWNHOLE TOOL SHOCK ABSORBER WITH ELECTROMAGNETIC DAMPING

#437
20150075816
2015-03-19

Segmented ring assembly

#438
20150075788
2015-03-19

Apparatus and methods for locating a particular location in a wellbore for performing a wellbore operation

#439
20150068729
2015-03-12

Composite slips for a frac plug

#440
20150060083
2015-03-05

Systems and methods for artificial lift via a downhole piezoelectric pump

#441
20150053429
2015-02-26

METHOD OF USING A DOWNHOLE TOOL WITH EROSION RESISTANT LAYER

#442
20150053425
2015-02-26

Feeding device for a downhole tool and method for axial feeding of a downhole tool

#443
20150047844
2015-02-19

Downhole supercapacitor device

#444
20150047827
2015-02-19

Pump down tool

#445
20150047824
2015-02-19

Multi-stage locking system for selective release of a potential energy force to set a subterranean tool

#446
20150041149
2015-02-12

System for coupling MWD tools

#447
20150027731
2015-01-29

Back pressure valve

#448
20150027684
2015-01-29

Centralizers for centralizing well casings

#449
20150021012
2015-01-22

Apparatus for subterranean tool actuation using stored torsional spring energy

#450
20150013995
2015-01-15

Methods and systems for operating a downhole tool

#451
20150007975
2015-01-08

Downhole supercapacitor device

#452
20140374123
2014-12-25

Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods

#453
20140352997
2014-12-04

Motor spindle

#454
20140352976
2014-12-04

Method and an apparatus for retrieving a tubing from a well

#455
20140352944
2014-12-04

Packoff for liner deployment assembly

#456
20140345858
2014-11-27

Automated wellbore equipment feeding system

#457
20140345849
2014-11-27

Full bore system without stop shoulder

#458
20140338924
2014-11-20

Downhole activation system using magnets and method thereof

#459
20140338892
2014-11-20

Slip with altering load distribution feature

#460
20140338886
2014-11-20

Smart Drop-off tool and hang-off tool for a logging string

#461
20140326469
2014-11-06

Positive locked slim hole suspension and sealing system with single trip deployment and retrievable tool

#462
20140318815
2014-10-30

ACTUATOR BALL RETRIEVER AND VALVE ACTUATION TOOL

#463
20140305660
2014-10-16

Shock absorber, related methods and apparatuses

#464
20140305659
2014-10-16

System and method for rotating casing string

#465
20140305631
2014-10-16

Device for anchoring in a casing in a borehole in the ground

#466
20140291026
2014-10-02

Apparatus and method for the installation or removal of a rotary control device insert or a component thereof

#467
20140290965
2014-10-02

Deactivation of packer with safety joint

#468
20140290933
2014-10-02

Debris barrier assembly

#469
20140262302
2014-09-18

Ball injector system apparatus and method

#470
20140262211
2014-09-18

Controller for downhole tool

#471
20140251617
2014-09-11

Method and apparatus for removing unexpanded shoe

#472
20140251612
2014-09-11

Consumable downhole packer or plug

#473
20140246190
2014-09-04

Downhole tool actuator

#474
20140231097
2014-08-21

Securing connections in alternate path well screens

#475
20140231087
2014-08-21

Apparatus and method for cutting and pulling of a casing

#476
20140224487
2014-08-14

Apparatus and methods of running casing in a dual gradient system

#477
20140216762
2014-08-07

System and method for activating a down hole tool

#478
20140216760
2014-08-07

Systems and methods for rotationally orienting a whipstock assembly

#479
20140216759
2014-08-07

Deploying an expandable downhole seat assembly

#480
20140216758
2014-08-07

Deploying an expandable downhole seat assembly

#481
20140216747
2014-08-07

Method of using a downhole tool with erosion resistant layer

#482
20140216735
2014-08-07

Sandline spooling measurement and control system

#483
20140216721
2014-08-07

Rotating flow head apparatus

#484
20140216713
2014-08-07

Downhole tool with erosion resistant layer

#485
20140209306
2014-07-31

Wellbore treatment tool and method

#486
20140209301
2014-07-31

Electromechanical actuator apparatus and method for down-hole tools

#487
20140202712
2014-07-24

Methods of adjusting the rate of galvanic corrosion of a wellbore isolation device

#488
20140202689
2014-07-24

Systems and methods for remote actuation of a downhole tool

#489
20140196912
2014-07-17

Surge immune liner setting tool

#490
20140190949
2014-07-10

Systems, tools and methods for high power laser surface decommissioning and downhole welding

#491
20140184364
2014-07-03

Downhole supercapacitor device

#492
20140174761
2014-06-26

Downhole shifting tool

#493
20140174760
2014-06-26

System and method for conveying

#494
20140174749
2014-06-26

METHOD AND APPARATUS FOR DOWNHOLE INSTALLATION OF COILED TUBING STRINGS

#495
20140174191
2014-06-26

Enhanced device for determining the location of induced stress in stuck borehole tubulars

#496
20140166369
2014-06-19

Gripper assembly for downhole tools

#497
20140166311
2014-06-19

Multi-position weight down locating tool

#498
20140166298
2014-06-19

Closed-loop hydraulic running tool

#499
20140158376
2014-06-12

ADJUSTABLE HANGER SYSTEM AND METHOD

#500
20140158371
2014-06-12

Disconnecting tool

#501
20140151019
2014-06-05

Magnetic key for operating a multi-position downhole tool

#502
20140131050
2014-05-15

Method of making and using a functionally gradient composite tool

#503
20140124199
2014-05-08

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

#504
20140116732
2014-05-01

System and method for activating a down hole tool

#505
20140116729
2014-05-01

Wireline crawler tractor

#506
20140116721
2014-05-01

Downhole tools, system and method of using

#507
20140116676
2014-05-01

SUPPORT FRAME

#508
20140110175
2014-04-24

Downhole activation system using magnets and method thereof

#509
20140110134
2014-04-24

Vibrator sub

#510
20140084192
2014-03-27

Linear clutch for blowout preventer

#511
20140083721
2014-03-27

Setting tool for expandable liner hanger and associated methods

#512
20140083713
2014-03-27

Secondary system and method for activating a down hole device

#513
20140076542
2014-03-20

Autonomous untethered well object

#514
20140076537
2014-03-20

Multi-piston hydrostatic setting tool with locking feature outside actuation chambers for multiple pistons

#515
20140076536
2014-03-20

Multi-piston hydrostatic setting tool with locking feature and a single lock for multiple pistons

#516
20140076535
2014-03-20

Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons

#517
20140069646
2014-03-13

Energizing ring divot back-out lock

#518
20140069633
2014-03-13

Tubing hanger running tool with integrated landing features

#519
20140060810
2014-03-06

Systems, methods, and devices for isolating portions of a wellhead from fluid pressure

#520
20140060809
2014-03-06

Back pressure valve

#521
20140060803
2014-03-06

Magnetic key for operating a multi-position downhole tool

#522
20140041881
2014-02-13

Single trip liner setting and drilling assembly and methods

#523
20140034303
2014-02-06

AUTONOMOUS WELLBORE DOWNHOLE INDEXING DEVICE

#524
20140027118
2014-01-30

Expandable liner

#525
20140020889
2014-01-23

Well multiple casing installation system

#526
20140014369
2014-01-16

Service panel

#527
20140014368
2014-01-16

Downhole driving unit having a hydraulic motor in a wheel

#528
20140014367
2014-01-16

Downhole driving unit having a spring member for assembling a hydraulic motor housing

#529
20140014366
2014-01-16

Downhole driving unit having a hydraulic motor with a static cam ring

#530
20140014365
2014-01-16

Downhole driving unit having a hydraulic motor with a planetary gearing system

#531
20140014321
2014-01-16

Assembly

#532
20140013731
2014-01-16

Arm assembly

#533
20140008053
2014-01-09

Fixture structure for reusing underground micro-seismic sensor

#534
20140000877
2014-01-02

Systems and methods for monitoring a wellbore and actuating a downhole device

#535
20130341046
2013-12-26

System and method for controlling surface equipment to insert and remove tubulars with a well under pressure

#536
20130341045
2013-12-26

Guide attachment for use with drive systems

#537
20130341005
2013-12-26

Downhole method and apparatus

#538
20130333895
2013-12-19

Tool for extracting an object engaged in a fluid exploitation pipe, extraction device and related method

#539
20130333891
2013-12-19

Wellbore isolation device containing a substance that undergoes a phase transition

#540
20130333873
2013-12-19

Tools and methods for hanging and/or expanding liner strings

#541
20130333872
2013-12-19

Magnetic field downhole tool attachment

#542
20130327516
2013-12-12

Actuation and release tool for subterranean tools

#543
20130319683
2013-12-05

ANCHOR

#544
20130315032
2013-11-28

Methods and systems for deploying seismic devices

#545
20130313022
2013-11-28

Rotational locking mechanisms for drilling motors and powertrains

#546
20130312982
2013-11-28

Thermal release mechanism for downhole tools

#547
20130312981
2013-11-28

Washover tieback method

#548
20130306328
2013-11-21

Actuator switch for a downhole tool, tool and method

#549
20130299163
2013-11-14

System and method for triggering a downhole tool

#550
20130292135
2013-11-07

Method and Apparatus for Launching Objects in Dual Gradient Systems

#551
20130284432
2013-10-31

System and method for triggering a downhole tool

#552
20130284425
2013-10-31

Dissolvable tool

#553
20130277042
2013-10-24

Deep deployment system for electric submersible pumps

#554
20130269926
2013-10-17

Tubular handling apparatus

#555
20130264071
2013-10-10

Pressure activated contingency release system and method

#556
20130264051
2013-10-10

Well tools selectively responsive to magnetic patterns

#557
20130255939
2013-10-03

Method for automatic control and positioning of autonomous downhole tools

#558
20130248252
2013-09-26

Reaming shoe for increased borehole clearance and method of use

#559
20130248174
2013-09-26

Autonomous downhole conveyance system

#560
20130246029
2013-09-19

Technique for establishing predictive reach through a deviated well

#561
20130241741
2013-09-19

Downhole system having a wireless unit

#562
20130240212
2013-09-19

Systems and techniques to actuate isolation valves

#563
20130240197
2013-09-19

Wireless downhole unit

#564
20130220638
2013-08-29

Hydrostatic setting tool

#565
20130220637
2013-08-29

Slip device for wellbore tubulars

#566
20130220620
2013-08-29

Methods, devices, and kits relating to the implementation of gelled fluids having a transient gel microstructure

#567
20130220617
2013-08-29

Adjustable engagement system for tool removal and method of use

#568
20130213673
2013-08-22

Decoupling a remote actuator of a well tool

#569
20130213640
2013-08-22

Wireless drill string disconnect

#570
20130206409
2013-08-15

One-way flowable anchoring system and method of treating and producing a well

#571
20130192897
2013-08-01

Downhole tool activation

#572
20130186649
2013-07-25

Tubular anchoring system and method

#573
20130186645
2013-07-25

Downhole robots and methods of using same

#574
20130186644
2013-07-25

Mechanical counter

#575
20130186628
2013-07-25

Downhole tool hydraulic retriever

#576
20130181719
2013-07-18

Downhole activation system using magnets and method thereof

#577
20130175094
2013-07-11

Safety mechanism for a well, a well comprising the safety mechanism, and related methods

#578
20130168083
2013-07-04

Release assembly for a downhole tool string and method for use thereof

#579
20130161027
2013-06-27

Unequal load collet and method of use

#580
20130161015
2013-06-27

Apparatus and method for fracturing a well

#581
20130160992
2013-06-27

Dissolvable tool

#582
20130153236
2013-06-20

Subterranean Tool Actuation Using a Controlled Electrolytic Material Trigger

#583
20130146309
2013-06-13

Differential shifting tool and method of shifting

#584
20130146298
2013-06-13

Subsea running tool with emergency release

#585
20130126188
2013-05-23

Magnetic retriever for well plunger

#586
20130126173
2013-05-23

Cement head

#587
20130126170
2013-05-23

Prevention, actuation and control of deployment of memory-shape polymer foam-based expandables

#588
20130124165
2013-05-16

Modeling tool passage through a well

#589
20130118762
2013-05-16

Wireline supported bi-directional shifting tool with pumpdown feature

#590
20130118753
2013-05-16

Seal system and method

#591
20130113227
2013-05-09

High expansion or dual link gripper

#592
20130112432
2013-05-09

Accelerator mixture for peroxide hardener and two-component mortar system containing same

#593
20130108356
2013-05-02

Contingency release device that uses right-hand torque to allow movement of a collet prop

#594
20130105227
2013-05-02

High productivity core drilling system

#595
20130105177
2013-05-02

Contigency release device that uses right-hand torque to allow movement of a collet prop

#596
20130092399
2013-04-18

Tools and methods for hanging and/or expanding liner strings

#597
20130092398
2013-04-18

Method and apparatus for removing shifting tools and providing wellbore isolation

#598
20130092383
2013-04-18

Methods and apparatus for subsea well intervention and subsea wellhead retrieval

#599
20130092380
2013-04-18

Downhole contingency apparatus

#600
20130087335
2013-04-11

Method and apparatus for use in well abandonment