ClassID:

135401

E21B23/00 - page 3 - 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:
#601
20130081825
2013-04-04

Apparatus and methods utilizing nonexplosive energetic materials for downhole applications

#602
20130081814
2013-04-04

Apparatus and method for galvanically removing from or depositing onto a device a metallic material downhole

#603
20130075103
2013-03-28

METHOD AND SYSTEM FOR PERFORMING AN ELECTRICALLY OPERATED FUNCTION WITH A RUNNING TOOL IN A SUBSEA WELLHEAD

#604
20130075087
2013-03-28

Module For Use With Completion Equipment

#605
20130068472
2013-03-21

Hydraulic Three Position Stroker Tool

#606
20130062076
2013-03-14

Intervention device for use in a fluid exploitation well in the subsoil, and associated intervention assembly

#607
20130062055
2013-03-14

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

#608
20130048309
2013-02-28

Method and apparatus for securing a lubricator and other equipment in a well

#609
20130048275
2013-02-28

Apparatus and method for controlling a completion operation

#610
20130020095
2013-01-24

Adjustable mudline tubing hanger suspension system

#611
20130014939
2013-01-17

Electric hydraulic interface for a modular downhole tool

#612
20130014934
2013-01-17

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

#613
20130014932
2013-01-17

Automatic modular maintenance device operating in the annulus of a well for the production of hydrocarbons

#614
20130008669
2013-01-10

System and method for coupling downhole tools

#615
20130008645
2013-01-10

Intelligent well system and method

#616
20120323493
2012-12-20

Method and apparatus for detecting plunger arrival

#617
20120318494
2012-12-20

Connecting head for connecting a cable and a downhole tool and associated intervention device

#618
20120312555
2012-12-13

Controllably releasable shifting tool

#619
20120298422
2012-11-29

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

#620
20120298243
2012-11-29

Method and apparatus for determining position in a pipe

#621
20120285703
2012-11-15

Hydro-mechanical downhole tool

#622
20120273229
2012-11-01

Method of making and using a functionally gradient composite tool

#623
20120241146
2012-09-27

Wireless downhole tool positioning system

#624
20120234560
2012-09-20

Restricted axial movement locking mechanism

#625
20120234530
2012-09-20

Remote subterranean tool activation system

#626
20120227981
2012-09-13

Real time downhole intervention during wellbore stimulation operations

#627
20120222857
2012-09-06

ASSEMBLY

#628
20120217845
2012-08-30

Transducer

#629
20120217021
2012-08-30

ACTIVATION DEVICE FOR USE IN A DOWNHOLE WELL

#630
20120211224
2012-08-23

Wireless downhole tool positioning system

#631
20120193106
2012-08-02

Recovering heated fluid using well equipment

#632
20120181048
2012-07-19

Debris barrier assembly

#633
20120160524
2012-06-28

COMPLETION ASSEMBLY AND A METHOD FOR STIMULATING, SEGMENTING AND CONTROLLING ERD WELLS

#634
20120152565
2012-06-21

Downhole release joint with radially expandable member

#635
20120145411
2012-06-14

Running tool with feedback mechanism

#636
20120125629
2012-05-24

Downhole tool

#637
20120111579
2012-05-10

Tools for use in subterranean boreholes having expandable members and related methods

#638
20120111576
2012-05-10

Downhole tool

#639
20120103630
2012-05-03

Alignment of BOP stack to facilitate use of a rotating control device

#640
20120103627
2012-05-03

SYSTEM AND METHOD FOR CONTROL OF TOOLS IN A SUBTERRANEAN COMPLETION APPLICATION

#641
20120103607
2012-05-03

Method and apparatus for creating an annular barrier in a subterranean wellbore

#642
20120103603
2012-05-03

Gravel pack inner string hydraulic locating device

#643
20120090854
2012-04-19

Pressure bearing wall and support structure therefor

#644
20120090832
2012-04-19

Downhole actuator

#645
20120073828
2012-03-29

Downhole material delivery

#646
20120061074
2012-03-15

Gripper assembly for downhole tools

#647
20120048570
2012-03-01

Real time downhole intervention during wellbore stimulation operations

#648
20120043073
2012-02-23

Twin latch wireline retrieval tool

#649
20120037374
2012-02-16

Plug removal and setting system

#650
20120031673
2012-02-09

Lockable reamer

#651
20120024546
2012-02-02

Apparatus and method for autofill equipment activation

#652
20120018170
2012-01-26

SYSTEMS AND TECHNIQUES TO ACTUATE ISOLATION VALVES

#653
20120018169
2012-01-26

Downhole displacement based actuator

#654
20120012303
2012-01-19

Retrievable tool with ratchet lock feature

#655
20120000645
2012-01-05

Flow controller, particularly blowout preventer (BOP) and smart pipe plug (SPP)

#656
20110308797
2011-12-22

Wireless downhole tool positioning system

#657
20110290481
2011-12-01

Apparatus and method for launching plugs in cementing operations

#658
20110284240
2011-11-24

Mechanism for activating a plurality of downhole devices

#659
20110272145
2011-11-10

Mechanical actuator with electronic adjustment

#660
20110259600
2011-10-27

Electromechanical actuator apparatus and method for down-hole tools

#661
20110252781
2011-10-20

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

#662
20110247799
2011-10-13

Tubing hanger running tool with integrated landing features

#663
20110247798
2011-10-13

Tubing hanger running tool with integrated pressure release valve

#664
20110232920
2011-09-29

Full bore system without stop shoulder

#665
20110226489
2011-09-22

Differential shifting tool and method of shifting

#666
20110226487
2011-09-22

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

#667
20110220346
2011-09-15

Downhole actuator

#668
20110214883
2011-09-08

Large bore completions systems and method

#669
20110210609
2011-09-01

Sneak path eliminator for diode multiplexed control of downhole well tools

#670
20110203849
2011-08-25

Expandable Reamers for Earth Boring Applications

#671
20110185806
2011-08-04

Method and apparatus for precise positioning of a borehole measurement instrument

#672
20110168408
2011-07-14

Setting tool for expandable liner hanger and associated methods

#673
20110168405
2011-07-14

Alignment of BOP stack to facilitate use of a rotating control device

#674
20110162835
2011-07-07

Interface for deploying wireline tools with non-electric string

#675
20110147086
2011-06-23

Downhole tools with electro-mechanical and electro-hydraulic drives

#676
20110132620
2011-06-09

Dissolvable tool and method

#677
20110132619
2011-06-09

Dissolvable tool and method

#678
20110132594
2011-06-09

Gripping tool

#679
20110114325
2011-05-19

Anchor/shifting tool with sequential shift then release functionality

#680
20110108266
2011-05-12

Debris barrier for downhole tools

#681
20110073320
2011-03-31

Tubular actuator and method

#682
20110061864
2011-03-17

WIRELESS PIPE RECOVERY AND PERFORATING SYSTEM

#683
20110056288
2011-03-10

Position indicating multiplexed control system and method for downhole well tools

#684
20110036563
2011-02-17

Coupling between wellbore tools having central transmission shafts

#685
20110030968
2011-02-10

Tubular actuator, system and method

#686
20110016998
2011-01-27

Spiral body lock and method

#687
20110005777
2011-01-13

TOOL STORAGE ASSEMBLY

#688
20100326665
2010-12-30

Methods and apparatus for subsea well intervention and subsea wellhead retrieval

#689
20100314131
2010-12-16

Variable linkage assisted gripper

#690
20100314129
2010-12-16

Running tool

#691
20100308689
2010-12-09

Transducer

#692
20100300703
2010-12-02

Pressure actuable downhole tool and a method for actuating the same

#693
20100258319
2010-10-14

Back pressure valve

#694
20100258293
2010-10-14

Slickline conveyed shifting tool system

#695
20100237698
2010-09-23

Sneak path eliminator for diode multiplexed control of downhole well tools

#696
20100236793
2010-09-23

Activating mechanism

#697
20100236790
2010-09-23

Control of well tools utilizing downhole pumps

#698
20100219980
2010-09-02

Method and system for performing operations and for improving production in wells

#699
20100212891
2010-08-26

Swellable material activation and monitoring in a subterranean well

#700
20100212887
2010-08-26

Gripper assembly for downhole tools

#701
20100195436
2010-08-05

Methods and systems for deploying seismic devices

#702
20100193195
2010-08-05

Seal system and method

#703
20100163250
2010-07-01

Recovering heated fluid using well equipment

#704
20100163249
2010-07-01

Systems and methods for downhole completions

#705
20100126716
2010-05-27

Actuator for downhole tools

#706
20100108324
2010-05-06

Linear actuation system in the form of a ring

#707
20100101792
2010-04-29

Cement head

#708
20100059233
2010-03-11

Remote actuation of downhole well tools

#709
20100051293
2010-03-04

Downhole tool with load diverting system and method

#710
20100051275
2010-03-04

Methods of activating compositions in subterranean zones

#711
20100051264
2010-03-04

METHOD AND SYSTEM FOR MONITORING DOWNHOLE COMPLETION OPERATIONS

#712
20100050905
2010-03-04

Activating compositions in subterranean zones

#713
20100032162
2010-02-11

Fill up and circulation tool and mudsaver valve

#714
20100025032
2010-02-04

Methods and systems to activate downhole tools with light

#715
20100018695
2010-01-28

Gripper assembly for downhole tools

#716
20100013664
2010-01-21

METHOD AND APPARATUS FOR DETERMINING POSITION IN A PIPE

#717
20100012320
2010-01-21

METHODS AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE PASS DRILLING AND COMPLETION OF OIL AND GAS WELLS

#718
20100012313
2010-01-21

Downhole piezoelectric devices

#719
20100006302
2010-01-14

LOCKING ARRANGEMENT TO STORE SETTING FORCES

#720
20090301732
2009-12-10

Downhole Valve Actuation Methods and Apparatus

#721
20090301730
2009-12-10

Apparatus and methods for inflow control

#722
20090301723
2009-12-10

Interface for deploying wireline tools with non-electric string

#723
20090280912
2009-11-12

Coupling device for connection and disconnection of bottom-hole equipment

#724
20090274545
2009-11-05

Tubular handling apparatus

#725
20090274544
2009-11-05

APPARATUS AND METHODS FOR WEDGE LOCK PREVENTION

#726
20090272544
2009-11-05

Tools and methods for hanging and/or expanding liner strings

#727
20090266544
2009-10-29

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

#728
20090242199
2009-10-01

Systems and techniques to actuate isolation valves

#729
20090223670
2009-09-10

Systems, assemblies and processes for controlling tools in a well bore

#730
20090211749
2009-08-27

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

#731
20090205840
2009-08-20

Expandable downhole actuator, method of making and method of actuating

#732
20090205833
2009-08-20

Thermal activation mechanisms and methods for use in oilfield applications

#733
20090194277
2009-08-06

Single trip tubing punch and setting tool

#734
20090151959
2009-06-18

Quick lock wireline valve/blow-out preventor and methods for making and using same

#735
20090145666
2009-06-11

Expandable stabilizer with roller reamer elements

#736
20090145605
2009-06-11

Staged Actuation Shear Sub for Use Downhole

#737
20090114400
2009-05-07

Downhole resettable clutch swivel

#738
20090107686
2009-04-30

Setting tool for expandable liner hanger and associated methods

#739
20090107684
2009-04-30

Applications of degradable polymers for delayed mechanical changes in wells

#740
20090095466
2009-04-16

Downhole force generator

#741
20090045146
2009-02-19

Downhole wet-mate connector debris exclusion system

#742
20080296028
2008-12-04

Downhole pressure chamber and method of making same

#743
20080271887
2008-11-06

Method and system for performing operations and for improving production in wells

#744
20080245535
2008-10-09

Actuation tool

#745
20080210063
2008-09-04

Gripping tool

#746
20080179065
2008-07-31

Completion liner delivery method with bridge plug capture

#747
20080156477
2008-07-03

Deployment tool for well logging instruments conveyed through the interior of a pipe string

#748
20080149351
2008-06-26

TEMPORARY CONTAINMENTS FOR SWELLABLE AND INFLATABLE PACKER ELEMENTS

#749
20080149348
2008-06-26

Downhole tools utilizing electroactive polymers for actuating release mechanisms

#750
20080149345
2008-06-26

Smart actuation materials triggered by degradation in oilfield environments and methods of use

#751
20080149339
2008-06-26

Variable linkage assisted gripper

#752
20080142229
2008-06-19

Apparatus for radially expanding and plastically deforming a tubular member

#753
20080128175
2008-06-05

Expandable reamers for earth boring applications

#754
20080128169
2008-06-05

Restriction element trap for use with an actuation element of a downhole apparatus and method of use

#755
20080110635
2008-05-15

Assembling Functional Modules to Form a Well Tool

#756
20080078559
2008-04-03

Gripper assembly for downhole tools

#757
20080066923
2008-03-20

Dissolvable downhole trigger device

#758
20080060808
2008-03-13

Method of and system for determining the free point in a drill pipe

#759
20080029276
2008-02-07

Downhole tool retrieval and setting system

#760
20080011472
2008-01-17

Downhole tool operated by shape memory material

#761
20080000635
2008-01-03

Downhole measurement system and method

#762
20070289473
2007-12-20

Implosive actuation of downhole tools

#763
20070272412
2007-11-29

Downhole tool for selectively catching balls in a well bore

#764
20070246225
2007-10-25

Well tools with actuators utilizing swellable materials

#765
20070235199
2007-10-11

Methods and apparatus for actuating a downhole tool

#766
20070187115
2007-08-16

Downhole actuating apparatus and method

#767
20070181345
2007-08-09

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#768
20070144735
2007-06-28

Apparatus for radially expanding and plastically deforming a tubular member

#769
20070144731
2007-06-28

Self-energized downhole tool

#770
20070044672
2007-03-01

Methods and systems to activate downhole tools with light

#771
20070029197
2007-02-08

Downhole uses of electroactive polymers

#772
20070017670
2007-01-25

Gripper assembly for downhole tools

#773
20070012457
2007-01-18

Hydraulically operated formation isolation valve for underbalanced drilling applications

#774
20070012435
2007-01-18

Downhole force generator

#775
20060266513
2006-11-30

Downhole ram pump

#776
20060249285
2006-11-09

Friction spring release mechanism

#777
20060243445
2006-11-02

One-trip cut-to-release apparatus and method

#778
20060207770
2006-09-21

Methods and apparatus for placement of well equipment

#779
20060201716
2006-09-14

Gripper assembly for downhole tools

#780
20060201711
2006-09-14

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#781
20060191688
2006-08-31

Multilateral reference point

#782
20060185906
2006-08-24

Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells

#783
20060169462
2006-08-03

Interventionless oil tool actuator with floating piston and method of use

#784
20060108118
2006-05-25

Apparatus and method for installation of subsea well completion systems

#785
20060102347
2006-05-18

Method and apparatus for logging a well using fiber optics

#786
20060027376
2006-02-09

Expandable tubing and method

#787
20050279503
2005-12-22

Slickline power control interface

#788
20050269083
2005-12-08

Onboard navigation system for downhole tool

#789
20050257935
2005-11-24

Perimetrically loading collet

#790
20050241835
2005-11-03

Self-activating downhole tool

#791
20050241825
2005-11-03

Downhole tool with navigation system

#792
20050241824
2005-11-03

Methods of servicing a well bore using self-activating downhole tool

#793
20050236162
2005-10-27

Method and apparatus for expandable liner hanger with bypass

#794
20050224226
2005-10-13

Force transfer apparatus to assist release of loaded member

#795
20050205266
2005-09-22

Biodegradable downhole tools

#796
20050205265
2005-09-22

One-time use composite tool formed of fibers and a biodegradable resin

#797
20050155771
2005-07-21

Apparatus and methods for expanding tubulars in a wellbore

#798
20050139357
2005-06-30

Translating downhole tool

#799
20050133220
2005-06-23

Downhole rotating tool

#800
20050082055
2005-04-21

Gripper assembly for downhole tools

#801
20050082054
2005-04-21

Gel release device

#802
20050077046
2005-04-14

Apparatus and methods for separating and joining tubulars in a wellbore

#803
20050045329
2005-03-03

Intelligent well system and method

#804
20050039927
2005-02-24

Intelligent well system and method

#805
20050023002
2005-02-03

Systems and methods for placing a braided, tubular sleeve in a well bore

#806
20050000687
2005-01-06

Device for performing a downhole operation

#807
18958783
2025-09-09

Shock resistant and load tailored tensile bar method, and system

#808
18600366
2025-05-20

Atomic battery for wellbore operation

#809
17842437
2023-11-14

Downhole tractor drive module

#810
17399758
2022-10-11

Polymeric sleeve for guiding an untethered measurement device in a Christmas tree valve

#811
17143690
2022-06-21

Deep horizontal water well

#812
16868935
2023-04-18

Retrievable seal guide

#813
15951128
2020-04-07

System and method of utilizing a drone to deploy frac balls in an open well bore

#814
15898067
2019-09-03

Retrievable downhole tool

#815
14249209
2014-11-25

Control systems and methods for centering a tool in a wellbore

#816
14249092
2014-10-07

Self-centering downhole tool