ClassID:

135533

E21B34/103 - CPC Classification

Classification description:

Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position with a shear pin

Recent Application in this class:
#1
20250137360
2025-05-01

SYSTEM FOR EXPANDING A TUBULAR DOWNHOLE

#2
20250116170
2025-04-10

Systems And Methods For Flow-Activated Initiation Of Plug Assembly Flow Seats

#3
20250109648
2025-04-03

THROUGH-TUBING PLUG

#4
20240353023
2024-10-24

Hydraulic trigger for isolation valves

#5
20240218759
2024-07-04

DOWNHOLE VALVE ASSEMBLY WITH CEMENT-ISOLATED FLOWPATH

#6
20240183246
2024-06-06

FIELD-ADJUSTABLE, SEAL-LESS FRANGIBLE DOWNHOLE PRESSURE CONTROL AND ISOLATION DEVICE AND SUBASSEMBLY FOR CONDUIT IN WELLBORE

#7
20240125210
2024-04-18

ANNULAR BARRIER WITH VALVE UNIT

#8
20230296009
2023-09-21

SLEEVE DEVICE, METHOD AND SYSTEM

#9
20230151705
2023-05-18

Selectively bypassing float collar

#10
20230135540
2023-05-04

Downhole apparatus with a valve arrangement

#11
20230118919
2023-04-20

Downhole apparatus with a valve arrangement

#12
20230116905
2023-04-13

Downhole apparatus with a valve arrangement

#13
20230116709
2023-04-13

Downhole apparatus with a valve arrangement

#14
20230114574
2023-04-13

Downhole apparatus with a valve arrangement

#15
20230113639
2023-04-13

Downhole apparatus with a valve arrangement

#16
20230112439
2023-04-13

Downhole apparatus with a valve arrangement

#17
20230111890
2023-04-13

Downhole apparatus with a valve arrangement

#18
20230110319
2023-04-13

Downhole apparatus with a valve arrangement

#19
20230108002
2023-04-06

Downhole apparatus with a valve arrangement

#20
20230046556
2023-02-16

Off bottom cementing system

#21
20230041944
2023-02-09

Hydraulic trigger for isolation valves

#22
20220389762
2022-12-08

Mill, downhole tool with mill, method and system

#23
20220364438
2022-11-17

Toe valve with vented atmospheric chamber

#24
20220364437
2022-11-17

Shearable drive pin assembly

#25
20220356780
2022-11-10

Well tool device for opening and closing a fluid bore in a well

#26
20220268114
2022-08-25

Selectively bypassing float collar

#27
20220251922
2022-08-11

Well tool device

#28
20220186584
2022-06-16

Well tool device for opening and closing a fluid bore in a well

#29
20210404290
2021-12-30

Multiple port opening method with single pressure activation

#30
20210355788
2021-11-18

Downhole sleeve tool

#31
20210215021
2021-07-15

Filter sub for downhole applications

#32
20210198978
2021-07-01

Downhole apparatus with a valve arrangement

#33
20210131225
2021-05-06

Downhole apparatus and methods

#34
20210095542
2021-04-01

High strength connection for composite sleeve and composite mandrel and related methods

#35
20210040819
2021-02-11

Well string tool and method for using the same

#36
20210040816
2021-02-11

Well tool device for opening and closing a fluid bore in a well

#37
20200408068
2020-12-31

Resettable toe valve

#38
20200378217
2020-12-03

Pressure operated apparatus and method

#39
20200248531
2020-08-06

Electronic initiator sleeves and methods of use

#40
20200248530
2020-08-06

Annular barrier with a valve system

#41
20200240241
2020-07-30

Downhole sleeve tool

#42
20200182017
2020-06-11

Profile-selective sleeves for subsurface multi-stage valve actuation

#43
20200182015
2020-06-11

Locking ring system for use in fracking operations

#44
20200173245
2020-06-04

Annular barrier with valve unit

#45
20200157916
2020-05-21

Downhole Tools, System and Method for Using

#46
20200115989
2020-04-16

Well tool device for opening and closing a fluid bore in a well

#47
20200102807
2020-04-02

Downhole sleeve with dissolvable release

#48
20200048987
2020-02-13

Debris preventing downhole air lock device and method

#49
20200018137
2020-01-16

Sliding sleeve including a self-holding connection

#50
20200011161
2020-01-09

Downhole apparatus

#51
20190383117
2019-12-19

Multi-stage fracturing sliding sleeve

#52
20190277109
2019-09-12

Hydraulic port collar

#53
20190264538
2019-08-29

Hydraulic port collar

#54
20190242216
2019-08-08

Pressure response fracture port tool for use in hydraulic fracturing applications

#55
20190218886
2019-07-18

Substance deposition and backflow preventing arrangement and method

#56
20190178054
2019-06-13

Downhole apparatus with a valve arrangement

#57
20190153819
2019-05-23

Slow response time tool

#58
20190153818
2019-05-23

Locking ring system for use in fracking operations

#59
20190153817
2019-05-23

Locking ring system for use in fracking operations

#60
20190153813
2019-05-23

Profile-selective sleeves for subsurface multi-stage valve actuation

#61
20190106954
2019-04-11

Orientation and actuation of pressure-activated tools

#62
20190093464
2019-03-28

Pressure activated completion tools and methods of use

#63
20190063183
2019-02-28

Toe valve

#64
20180371870
2018-12-27

Activating a downhole tool with simultaneous pressure from multiple control lines

#65
20180363420
2018-12-20

Concentric flow valve

#66
20180355696
2018-12-13

Downhole completion tool

#67
20180334889
2018-11-22

Electrically actuated downhole flow control apparatus

#68
20180320448
2018-11-08

Window mill hydraulic line connection

#69
20180291708
2018-10-11

Top-down fracturing systems and methods

#70
20180283130
2018-10-04

Downhole tools, system and methods of using

#71
20180252078
2018-09-06

Abrasive perforator with fluid bypass

#72
20180252074
2018-09-06

Multi-stage well isolation

#73
20180238142
2018-08-23

MULTI-STAGE WELL ISOLATION AND FRACTURING

#74
20180223629
2018-08-09

Pressure operated apparatus and method

#75
20180148992
2018-05-31

Annular barrier with expansion verification

#76
20180112493
2018-04-26

Valve assembly for wellbore equipment

#77
20170362915
2017-12-21

Mechanically operated reverse cementing crossover tool

#78
20170335657
2017-11-23

Cement valve

#79
20170321519
2017-11-09

Downhole completion tool

#80
20170298707
2017-10-19

Method and apparatus for controlling fluid flow through a down hole tool

#81
20170275968
2017-09-28

Pressure operated valve assembly

#82
20170275966
2017-09-28

Sleeve apparatus, downhole system, and method

#83
20170241236
2017-08-24

DOWNHOLE COMPLETION TOOL

#84
20170191347
2017-07-06

Pressure balanced setting tool

#85
20170175508
2017-06-22

Pressure activated completion tools and methods of use

#86
20170130561
2017-05-11

Drilling flow control tool

#87
20170101843
2017-04-13

Retrievable plugging tool for tubing

#88
20170089175
2017-03-30

Flow activated valve

#89
20170051574
2017-02-23

MULTI-STAGE WELL ISOLATION AND FRACTURING

#90
20160362962
2016-12-15

Sliding sleeve having indexing mechanism and expandable sleeve

#91
20160340993
2016-11-24

Method and apparatus for downhole tool actuation

#92
20160326849
2016-11-10

Downhole apparatus

#93
20160326835
2016-11-10

Wellbore stimulation tool, assembly and method

#94
20160319637
2016-11-03

Isolation valve with debris control and flow tube protection

#95
20160312578
2016-10-27

Well treatment device, method, and system

#96
20160312577
2016-10-27

Well treatment device, method, and system

#97
20160298424
2016-10-13

Wellbore frac tool with inflow control

#98
20160258280
2016-09-08

Well tools having magnetic shielding for magnetic sensor

#99
20160258260
2016-09-08

Multi-zone actuation system using wellbore darts

#100
20160177667
2016-06-23

Toe valve

#101
20160097260
2016-04-07

Method for remediating a screen-out during well completion

#102
20160097259
2016-04-07

Method for remediating a screen-out during well completion

#103
20160024886
2016-01-28

Pressure-operated dimple lockout tool

#104
20160010428
2016-01-14

Well intervention pressure control valve

#105
20150354317
2015-12-10

Wellbore strings containing annular flow valves and methods of use thereof

#106
20150285028
2015-10-08

Downhole apparatus and method

#107
20150285025
2015-10-08

Multi-stage well isolation

#108
20150226032
2015-08-13

Combined perforating and fracking tools

#109
20150159466
2015-06-11

Stage tool for wellbore cementing

#110
20150129205
2015-05-14

Downhole tools, system and methods of using

#111
20150096807
2015-04-09

Anti-stall bypass system for downhole motor

#112
20150041148
2015-02-12

Hydraulic cycle opening sleeve

#113
20140345705
2014-11-27

Flow activated circulating valve

#114
20140299329
2014-10-09

Downhole completion tool

#115
20140284058
2014-09-25

Pressure response fracture port tool for use in hydraulic fracturing applications

#116
20140262234
2014-09-18

Dual magnetic sensor actuation assembly

#117
20140251636
2014-09-11

Downhole tools, system and method of using

#118
20140202706
2014-07-24

Pressure testing valve and method of using the same

#119
20140196892
2014-07-17

Interruptible pressure testing valve

#120
20140182838
2014-07-03

Multi-level sliding sleeve

#121
20140116721
2014-05-01

Downhole tools, system and method of using

#122
20140076578
2014-03-20

Downhole tool

#123
20140060852
2014-03-06

Pressure testing valve and method of using the same

#124
20140048271
2014-02-20

Sliding sleeve valve and method for fluid treating a subterranean formation

#125
20130327537
2013-12-12

Flow control system with variable staged adjustable triggering device

#126
20130284451
2013-10-31

Delayed activation activatable stimulation assembly

#127
20130276901
2013-10-24

Apparatus, systems and methods for a flow control device

#128
20130233565
2013-09-12

Actuation lockout system

#129
20130180731
2013-07-18

Pressure activated down hole systems and methods

#130
20130168099
2013-07-04

Wellbore frac tool with inflow control

#131
20130161017
2013-06-27

Hydrostatically powered fracturing sliding sleeve

#132
20130161015
2013-06-27

Apparatus and method for fracturing a well

#133
20130098635
2013-04-25

Receptacle sub

#134
20130081817
2013-04-04

Responsively activated wellbore stimulation assemblies and methods of using the same

#135
20130075111
2013-03-28

Valve for velocity strings

#136
20130056220
2013-03-07

Valve for hydraulic fracturing through cement outside casing

#137
20130056206
2013-03-07

Valve for hydraulic fracturing through cement outside casing

#138
20130048298
2013-02-28

System and method for servicing a wellbore

#139
20130048291
2013-02-28

Injection of fluid into selected ones of multiple zones with well tools selectively responsive to magnetic patterns

#140
20130048290
2013-02-28

INJECTION OF FLUID INTO SELECTED ONES OF MULTIPLE ZONES WITH WELL TOOLS SELECTIVELY RESPONSIVE TO MAGNETIC PATTERNS

#141
20130008668
2013-01-10

Hydraulic Sleeve with Early Release Prevention

#142
20120312557
2012-12-13

Sleeved ball seat

#143
20120279723
2012-11-08

Downhole tool

#144
20120279722
2012-11-08

Tubular seating system and method of seating a plug

#145
20120273225
2012-11-01

COLLAPSE SENSING CHECK VALVE

#146
20120160516
2012-06-28

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

#147
20120118557
2012-05-17

Methods and devices for one trip plugging and perforating of oil and gas wells

#148
20120111574
2012-05-10

Delayed opening wellbore tubular port closure

#149
20120061103
2012-03-15

Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure

#150
20120055681
2012-03-08

Downhole valve tool and method of use

#151
20120042966
2012-02-23

Pressure activated ratcheting valve

#152
20120031623
2012-02-09

Flow control apparatus and method

#153
20120024537
2012-02-02

Isolation valve with debris control and flow tube protection

#154
20120024519
2012-02-02

Methods and devices for one trip plugging and perforating of oil and gas wells

#155
20110253383
2011-10-20

System and method for servicing a wellbore

#156
20110114316
2011-05-19

Methods and Devices for One Trip Plugging and Perforating of Oil and Gas Wells

#157
20110108272
2011-05-12

Downhole progressive pressurization actuated tool and method of using the same

#158
20110030976
2011-02-10

Tubular actuator, system and method

#159
20110030975
2011-02-10

Tubular system with selectively engagable sleeves and method

#160
20110030969
2011-02-10

Flow control in a well bore

#161
20100223791
2010-09-09

Method of manufacturing a downhole lubricator valve

#162
20090288838
2009-11-26

Flow control in a well bore

#163
20090255592
2009-10-15

Reverse action flow activated shut-off valve

#164
20090178808
2009-07-16

Convertible seal

#165
20090020290
2009-01-22

Frangible flapper valve with hydraulic impact sleeve and method of breaking

#166
20090000782
2009-01-01

Cementing valve

#167
20080257558
2008-10-23

Shifting apparatus and method

#168
20080223581
2008-09-18

Downhole barrier valve

#169
20080169105
2008-07-17

Convertible seal

#170
20080110632
2008-05-15

Downhole lubricator valve

#171
20060201675
2006-09-14

Methods and devices for one trip plugging and perforating of oil and gas wells

#172
20060118306
2006-06-08

Wellbore annulus flushing valve

#173
20050126787
2005-06-16

Lock mechanism for a sliding sleeve

#174
20050072575
2005-04-07

Model HCCV hydrostatic closed circulation valve

#175
19083735
2026-03-31

Method and apparatus for downhole fluid fill-up

#176
17082421
2022-04-05

Low-profile adjustable fastener for charge orientation of a downhole perforating tool

#177
16738607
2020-08-25

Rotor catch for bottomhole assembly

#178
15846529
2019-04-23

Formation interface assembly (FIA)

#179
15168216
2019-03-12

Pressure response fracture port tool for use in hydraulic fracturing applications

#180
14887923
2017-10-03

Methods and devices for one trip plugging and perforating of oil and gas wells