Patents-Review.com
ClassID:

135403 ⎘

E21B23/004 - CPC Classification

Classification description:

Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells Indexing systems for guiding relative movement between telescoping parts of downhole tools

Sub-classes:
Recent Application in this class:
#1
20250270886
2025-08-28

OPENHOLE LOGGING TOOL INTEGRATING WELLBORE FLUIDS TREATMENT SYSTEM AND METHOD OF USE

 #2
20250102040
2025-03-27

SPRING ASSEMBLY INCLUDING TWO SEPARATE INDEPENDENT WAVE SPRINGS

 #3
20240353023
2024-10-24

Hydraulic trigger for isolation valves

 #4
20230279757
2023-09-07

Systems and methods for multi-stage well stimulation

 #5
20230220746
2023-07-13

Liquid spring communication sub

 #6
20230041944
2023-02-09

Hydraulic trigger for isolation valves

 #7
20230003091
2023-01-05

INDEXING TRACK AND PIN

 #8
20220290530
2022-09-15

Multi-stage object drop frac assembly with filtration media and method

 #9
20220205329
2022-06-30

Method and apparatus for gaining reentry below abandoned wellbore equipment

 #10
20220112794
2022-04-14

Systems and methods for multi-stage fracturing

 #11
20220090450
2022-03-24

Reducing friction in a drill string and cleaning a wellbore

 #12
20210317715
2021-10-14

Self-orienting selective lockable assembly to regulate subsurface depth and positioning

 #13
20210301612
2021-09-30

Downhole tool

 #14
20210254419
2021-08-19

Downhole tool actuators and indexing mechanisms

 #15
20210032983
2021-02-04

Magnetic position indicator

 #16
20200386067
2020-12-10

Diverter downhole tool and associated methods

 #17
20200340332
2020-10-29

Method and apparatus for washing an annulus

 #18
20200291749
2020-09-17

Tubing or annulus pressure operated borehole barrier valve

 #19
20200032599
2020-01-30

Recirculation isolator for artificial lift and method of use

 #20
20190390526
2019-12-26

Self-orienting selective lockable assembly to regulate subsurface depth and positioning

 #21
20190292863
2019-09-26

Downhole tool assembly

 #22
20190257174
2019-08-22

SELECTOR VALVE FOR USE IN COMPLETION OPERATIONS

 #23
20190249504
2019-08-15

INDEXING DEVICE AND METHOD FOR A DUAL VALVE ASSEMBLY

 #24
20190195027
2019-06-27

Rotationally selectable lock of shaft to housing

 #25
20190170269
2019-06-06

Magnetic index positioner

 #26
20190169948
2019-06-06

Downhole tool actuators and indexing mechanisms

 #27
20190106964
2019-04-11

Top-down squeeze system and method

 #28
20190055816
2019-02-21

Tubing or annulus pressure operated borehole barrier valve

 #29
20180298707
2018-10-18

Downhole tool actuators and indexing mechanisms

 #30
20180252061
2018-09-06

Downhole Tool with Multiple Pistons

 #31
20180245438
2018-08-30

ADJUSTABLE PASSIVE CHOKES

 #32
20180187501
2018-07-05

PRESSURE TESTABLE HYDRAULICALLY ACTIVATED WELLBORE TOOL

 #33
20180112494
2018-04-26

Repeatedly pressure operated ported sub with multiple ball catcher

 #34
20180087323
2018-03-29

Indexing drill bit

 #35
20180010412
2018-01-11

Multistage high pressure fracturing system with counting system

 #36
20170370168
2017-12-28

Downhole tool actuation system having indexing mechanism and method

 #37
20170328188
2017-11-16

Multistage fracturing system with electronic counting system

 #38
20170183937
2017-06-29

Tubular assembly including a sliding sleeve having a degradable locking element

 #39
20170114601
2017-04-27

Indexing device and method for a dual valve assembly

 #40
20170058630
2017-03-02

Releasably locked debris barrier for a subterranean tool

 #41
20170044870
2017-02-16

Linearly indexing wellbore valve

 #42
20170022790
2017-01-26

Annulus installed 6 zone control manifold

 #43
20160333665
2016-11-17

Multistage high pressure fracturing system with counting system

 #44
20160333640
2016-11-17

Real time steerable acid tunneling system

 #45
20160273311
2016-09-22

Hydraulic control of downhole tools

 #46
20160251909
2016-09-01

Casing window assembly

 #47
20160145971
2016-05-26

Alignment apparatus for a sliding sleeve subterranean tool

 #48
20160123114
2016-05-05

Straddle packer equalization and self recovery module

 #49
20160115767
2016-04-28

Well tool with indexing device

 #50
20160108682
2016-04-21

Casing window assembly

 #51
20160084027
2016-03-24

Downhole system having selective locking apparatus and method

 #52
20160076337
2016-03-17

Tubular assembly including a sliding sleeve having a degradable locking element

 #53
20160069147
2016-03-10

Downhole apparatus and associated methods

 #54
20160032697
2016-02-04

Indexing well bore tool and method for using indexed well bore tools

 #55
20160032670
2016-02-04

Shifting tool

 #56
20150191999
2015-07-09

Downhole activation assembly with offset bore and method of using same

 #57
20150152717
2015-06-04

Casing window assembly

 #58
20150075815
2015-03-19

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

 #59
20150068809
2015-03-12

Coring tool including core bit and drilling plug with alignment and torque transmission apparatus and related methods

 #60
20150000920
2015-01-01

Linearly indexing well bore simulation valve

 #61
20140305633
2014-10-16

Capillary injection delivery system having tubing anchor

 #62
20140224510
2014-08-14

Casing window assembly

 #63
20140224475
2014-08-14

Downhole actuating apparatus

 #64
20140144619
2014-05-29

Resettable selective locking device

 #65
20140138101
2014-05-22

Wellbore tool with indexing mechanism and method

 #66
20140008052
2014-01-09

Resettable selective locking device

 #67
20130264049
2013-10-10

Plug counter and downhole tool

 #68
20130255968
2013-10-03

Casing window assembly

 #69
20130186644
2013-07-25

Mechanical counter

 #70
20130186633
2013-07-25

Counter device for selectively catching plugs

 #71
20130025868
2013-01-31

Downhole actuating apparatus

 #72
20120160488
2012-06-28

Method and apparatus for pressure testing a tubular body

 #73
20110147007
2011-06-23

Downhole-adjustable flow control device for controlling flow of a fluid into a wellbore

 #74
20110147006
2011-06-23

Downhole-adjustable flow control device for controlling flow of a fluid into a wellbore

 #75
20110067888
2011-03-24

Plug counter and method

 #76
20100212886
2010-08-26

Downhole tool actuation having a seat with a fluid by-pass

 #77
20100212885
2010-08-26

Downhole tool actuation having a seat with a fluid by-pass

 #78
20100212884
2010-08-26

Ratchet mechanism in a fluid actuated device

 #79
20100193196
2010-08-05

Bypass valve for use in well bores

 #80
20090126936
2009-05-21

Actuating mechanism

 #81
20090107680
2009-04-30

Apparatus and method for ratcheting stimulation tool

 #82
20080257561
2008-10-23

Casing coupler liner hanger mechanism

 #83
20080078555
2008-04-03

Integral orientation system for horizontal tree tubing hanger

 #84
20070251697
2007-11-01

Alternate path indexing device

 #85
20070251696
2007-11-01

Rotary actuator mechanism for a downhole tool

 #86
19033774
2026-02-10

Fluid-driven dual-mode circulation tool

 #87
18912156
2026-02-24

Wellbore completion assembly

 #88
18907685
2025-03-18

High temperature fluid-driven dual-mode circulation tool

 #89
13374403
2015-10-06

On/off tool running and well completion method and assembly