ClassID:

135502

E21B33/1285 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole; Packers; Plugs with a member expanded radially by axial pressure by fluid pressure

Recent Application in this class:
#1
20260139564
2026-05-21

PLUGGING DEVICE DEPLOYMENT IN SUBTERRANEAN WELLS

#2
20260132706
2026-05-14

PLUGGING DEVICE DEPLOYMENT IN SUBTERRANEAN WELLS

#3
20260132697
2026-05-14

Downhole Tool and Method of Use

#4
20260078672
2026-03-19

PRESSURE TEST PLUG

#5
20260071512
2026-03-12

DOWNHOLE PACKER ASSEMBLY

#6
20250361790
2025-11-27

WELL TOOL ACTUATION UPON PRESSURE DECREASE

#7
20250277440
2025-09-04

DOWNHOLE FRACTURING ZONE DATA LOGGER AND DOWNHOLE FRACTURING ZONE DATA ACQUISITION SYSTEM

#8
20250250887
2025-08-07

DOWNHOLE TOOL

#9
20250230725
2025-07-17

METHODS AND SYSTEMS FOR PREVENTING HYDROSTATIC HEAD WITHIN A WELL

#10
20250109650
2025-04-03

Downhole Tool For Sealing In Openhole Washouts

#11
20250092758
2025-03-20

HIGH-EXPANSION DYNAMIC INFLATABLE PACKER ELEMENT

#12
20250084720
2025-03-13

METHOD AND TOOL FOR DIRECTING AN ANNULAR FLOW ACROSS A WELL BORE INTERVAL

#13
20250084716
2025-03-13

ROTARY TOOL HYDRAULIC POWER SYSTEM

#14
20250059849
2025-02-20

DOWNHOLE TOOL AND METHOD OF USE

#15
20250043655
2025-02-06

SYSTEMS AND METHODS FOR MULTISTAGE FRACTURING

#16
20250012166
2025-01-09

PACKER SYSTEM, AND PROCESS TO SETTLE AND RETRIEVE

#17
20240426190
2024-12-26

Activation mechanisms for wellbore devices

#18
20240392648
2024-11-28

Method and tool for directing an annular flow across a well bore interval

#19
20240376797
2024-11-14

Pressure regulation mechanism for downhole well tools

#20
20240287868
2024-08-29

DOWNHOLE TOOL AND METHOD OF USE

#21
20240271499
2024-08-15

LINER-TOP PACKER SETTING ARRANGEMENT, METHOD, AND SYSTEM

#22
20240263536
2024-08-08

Methods and systems for a tool to form a fluid seal for wireline directly below a packoff

#23
20240229604
2024-07-11

DOWNHOLE SEALING APPARATUS

#24
20240229595
2024-07-11

PACKER SYSTEM WITH LOAD BYPASS TO PREVENT PREMATURE EXPANSION

#25
20240218758
2024-07-04

METHODS AND SYSTEMS ASSOCIATED WITH DEVELOPING A METAL DEFORMABLE PACKER

#26
20240167362
2024-05-23

Through-tubing pressure intensifier, method and system

#27
20240133266
2024-04-25

DOWNHOLE SEALING APPARATUS

#28
20240133263
2024-04-25

Packer system with load bypass to prevent premature expansion

#29
20240125210
2024-04-18

ANNULAR BARRIER WITH VALVE UNIT

#30
20240060387
2024-02-22

Packer system, and process to settle and retrieve

#31
20240052720
2024-02-15

Downhole tool securing device and frac plug

#32
20240011372
2024-01-11

Downhole tool

#33
20230417119
2023-12-28

Packer arrangement for sealingly guiding a drillstring therethrough

#34
20230366302
2023-11-16

System for segmented simultaneous water injection and oil recovery through double pipes in horizontal section

#35
20230332478
2023-10-19

VALVE INCLUDING AN EXPANDABLE METAL SEAL

#36
20230184056
2023-06-15

Method and Apparatus for a plug including a radial and collapsible gap within the continuous expandable sealing ring.

#37
20230167705
2023-06-01

Method and apparatus for a plug with a retractable pivoting mechanism for untethered object

#38
20230151715
2023-05-18

Well sealing tool with isolatable setting chamber

#39
20230092939
2023-03-23

Fluid diverter tool, system and method of diverting a fluid flow in a well

#40
20230057678
2023-02-23

METHOD AND APPARATUS FOR CREATING AN ANNULAR SEAL IN A WELLBORE

#41
20220412186
2022-12-29

Dissolvable bridge plugs

#42
20220389789
2022-12-08

Methods and apparatus for providing a plug activated by cup and untethered object

#43
20220389786
2022-12-08

Sealing assembly for wellbore operations

#44
20220349272
2022-11-03

Stage cementer packer

#45
20220341283
2022-10-27

Method and apparatus for fluid-activated shifting tool to actuate a plug assembly

#46
20220333457
2022-10-20

DISSOLVABLE BRIDGE PLUGS

#47
20220316294
2022-10-06

Debris barrier for retrievable downhole tool using expandable metal material

#48
20220298885
2022-09-22

PACKER APPARATUS

#49
20220282591
2022-09-08

FRAC DIVERTER AND METHOD

#50
20220268124
2022-08-25

Downhole sealing apparatus and method

#51
20220259940
2022-08-18

Annular barrier and downhole system

#52
20220243554
2022-08-04

Downhole tool and method of use

#53
20220205342
2022-06-30

Downhole method and apparatus

#54
20220120151
2022-04-21

Methods and apparatus for providing a plug with a two-step expansion

#55
20220056773
2022-02-24

Collapsible and retrievable setting apparatus and method of use

#56
20220049574
2022-02-17

EXPANDABLE METAL DISPLACEMENT PLUG

#57
20220049573
2022-02-17

Method and apparatus for providing a plug with a deformable expandable continuous ring creating a fluid barrier

#58
20220042393
2022-02-10

Dissolvable object with a cavity and a fluid entry point

#59
20220018209
2022-01-20

Annular pressure control diverter

#60
20210404277
2021-12-30

Downhole Tool

#61
20210388692
2021-12-16

Isolation of well section

#62
20210340837
2021-11-04

Piston load ring seal configurations

#63
20210324709
2021-10-21

SETTING TOOL AND METHOD

#64
20210317717
2021-10-14

Downhole tool with bottom composite slip

#65
20210310329
2021-10-07

Fluid-pressure-set uphole end for a hybrid straddle packer

#66
20210293106
2021-09-23

Methods and systems for mapping a wellbore for refracturing

#67
20210215017
2021-07-15

Methods and systems associated with developing a metal deformable packer

#68
20210198965
2021-07-01

Wellbore tool assembly to open collapsed tubing

#69
20210189844
2021-06-24

Device for jet packing and fracturing and tubular column comprising same

#70
20210172304
2021-06-10

Fracturing device for extraction of coalbed methane in low permeability reservoir

#71
20210164318
2021-06-03

Tool for jet packing and fracturing and tubular column comprising same

#72
20210148187
2021-05-20

Methods and systems for preventing hydrostatic head within a well

#73
20210148186
2021-05-20

Methods and systems for preventing hydrostatic head within a well

#74
20210062610
2021-03-04

Stinger for communicating fluid line with downhole tool

#75
20210010344
2021-01-14

Straddle packer with fluid pressure packer set and velocity bypass

#76
20200355039
2020-11-12

Expansion system usable with shoeless expandable tubular

#77
20200347694
2020-11-05

Dissolvable bridge plugs

#78
20200332622
2020-10-22

Anti-preset for packers

#79
20200325748
2020-10-15

Isolation assembly

#80
20200277833
2020-09-03

METHODS AND APPARATUS FOR TOP TO BOTTOM EXPANSION OF TUBULARS WITHIN A WELLBORE

#81
20200270967
2020-08-27

Squeeze packer and method of setting a squeeze packer

#82
20200208492
2020-07-02

IPacker bridge plug with slips

#83
20200173247
2020-06-04

System and method for reducing setting loads

#84
20200165895
2020-05-28

Well tool assembly

#85
20200157926
2020-05-21

System and method for stimulating a well

#86
20200157915
2020-05-21

Frac plug system having an integrated setting tool

#87
20200157913
2020-05-21

Frac plug setting method

#88
20200088001
2020-03-19

Anchor module for anchoring to a casing, a casing plug assembly and a method for setting two casing plugs in one run

#89
20200072019
2020-03-05

Downhole tool with an expandable sleeve, grit material, and button inserts

#90
20200048989
2020-02-13

Method and Apparatus for Wellbore Fluid Treatment

#91
20200040694
2020-02-06

DOWNHOLE TOOL AND METHOD OF USE

#92
20200040693
2020-02-06

Annular barrier system

#93
20200032612
2020-01-30

Self-cleaning packer system

#94
20190376362
2019-12-12

Anchor and seal system

#95
20190376361
2019-12-12

System and method for isolating a wellbore zone for rigless hydraulic fracturing

#96
20190368306
2019-12-05

Downhole tool and method of use

#97
20190352998
2019-11-21

Plug assemblies for a subterranean wellbore

#98
20190323343
2019-10-24

Tool for testing within a wellbore

#99
20190316434
2019-10-17

Downhole tool with bottom composite slip

#100
20190264532
2019-08-29

Swellable packer with reinforcement and anti-extrusion features

#101
20190257193
2019-08-22

Downhole test tool and method of use

#102
20190242211
2019-08-08

Downhole system with sliding sleeve

#103
20190226327
2019-07-25

Downhole test tool and method of use

#104
20190226311
2019-07-25

Methods and electrically-actuated apparatus for wellbore operations

#105
20190203559
2019-07-04

Wellbore isolation device with telescoping setting system

#106
20190203550
2019-07-04

Hydraulic packer setting tool with anti-preset feature

#107
20190195058
2019-06-27

Constructed annular safety valve element package

#108
20190186232
2019-06-20

Packing element booster with ratchet mechanism

#109
20190178049
2019-06-13

Plug and plug and abandonment system

#110
20190145219
2019-05-16

Methods and systems for a bridge plug

#111
20190136657
2019-05-09

Two-part restriction element for large-bore downhole isolation tool and method

#112
20190100978
2019-04-04

Open-hole mechanical packer with external feed through and racked packing system

#113
20190093449
2019-03-28

Slip-on hydraulic packer

#114
20190071949
2019-03-07

COLLAPSIBLE SUPPORT RINGS FOR A DOWNHOLE SYSTEM

#115
20190040699
2019-02-07

Anti-preset mechanism for setting piston in downhole tools

#116
20190032444
2019-01-31

Linear selective profile actuation system

#117
20190010785
2019-01-10

Method and apparatus for wellbore fluid treatment

#118
20190003278
2019-01-03

Packoff seals and processes for using same

#119
20190003277
2019-01-03

Provision of internal lines in a well tool

#120
20180363409
2018-12-20

DISSOLVABLE DOWNHOLE FRAC TOOL HAVING A SINGLE SLIP

#121
20180340394
2018-11-29

TUBULAR ELEMENT WITH INCLINED SEALING LIPS AND PROCESS FOR APPLYING IT TO THE WALL OF A WELL

#122
20180328132
2018-11-15

Retaining sealing element of wellbore isolation device with slip elements

#123
20180320478
2018-11-08

METHOD AND APPARATUS FOR WELLBORE FLUID TREATMENT

#124
20180313185
2018-11-01

Multi-segmented plug

#125
20180298717
2018-10-18

Systems and methods for sealing a wellbore

#126
20180283116
2018-10-04

Anchor module, casing plug assembly and method for operating a casing plug assembly in a well pipe

#127
20180266210
2018-09-20

Downhole formation protection valve

#128
20180258737
2018-09-13

Methods and systems for setting and unsetting packers within a well

#129
20180252066
2018-09-06

Downhole barrier delivery device

#130
20180245422
2018-08-30

Wellbore isolation devices with degradable slips and slip bands

#131
20180238137
2018-08-23

Apparatus and method for opening and closing in multiple cycles a downhole sleeve using an intervention tool

#132
20180202269
2018-07-19

Downhole tool including a resettable plug with a flow-through valve

#133
20180187500
2018-07-05

Fingered member with dissolving insert

#134
20180179852
2018-06-28

Downhole tool and method of use

#135
20180171748
2018-06-21

Downhole tool and method of use

#136
20180171746
2018-06-21

Dissolvable bridge plug assembly

#137
20180142526
2018-05-24

Hydrostatically actuable downhole piston

#138
20180128075
2018-05-10

Annular barrier with expansion unit

#139
20180128074
2018-05-10

Testable isolation packer

#140
20180119528
2018-05-03

Downhole perforating tools and methods

#141
20180106127
2018-04-19

Packer system having lockable mechanism

#142
20180106119
2018-04-19

Anchor and seal system

#143
20180087347
2018-03-29

Packer setting during high flow rate

#144
20180073335
2018-03-15

Completion assembly

#145
20180073326
2018-03-15

Mineral extraction well seal

#146
20180045016
2018-02-15

Packer

#147
20180038192
2018-02-08

Wellbore isolation devices and methods of use

#148
20180030808
2018-02-01

Seat arrangement, method for creating a seat and method for fracturing a borehole

#149
20180023367
2018-01-25

Wellbore isolation devices and methods of use

#150
20180023364
2018-01-25

Capture method for flow back retrieval of borehole plug with a lower slip assembly

#151
20180016859
2018-01-18

Wellbore isolation devices and methods of use

#152
20180003003
2018-01-04

Methods and systems for stimulating and restimulating a well

#153
20170370177
2017-12-28

Hydraulic tool

#154
20170362909
2017-12-21

High-integrity pressure protection system Christmas tree

#155
20170342800
2017-11-30

Wellbore stage tool with redundant closing sleeves

#156
20170342799
2017-11-30

Downhole completion with enclosed sensor

#157
20170342796
2017-11-30

Pressure control device

#158
20170328173
2017-11-16

Downhole completion system

#159
20170328170
2017-11-16

Annular barrier and annular barrier system

#160
20170321516
2017-11-09

Temperature activated zonal isolation packer device

#161
20170292342
2017-10-12

Bidirectional piston seals with pressure compensation

#162
20170284168
2017-10-05

Telemetrically operable packers

#163
20170275962
2017-09-28

Telemetrically operable packers

#164
20170268320
2017-09-21

Methods and electrically-actuated apparatus for wellbore operations

#165
20170247974
2017-08-31

Subterranean packer sealing system load diverter

#166
20170247973
2017-08-31

Systems and methods for an expandable packer

#167
20170145784
2017-05-25

Stage cementing tool and method

#168
20170107781
2017-04-20

Radially expandable ratchet locking borehole barrier assembly

#169
20170101845
2017-04-13

Insert for well plugs and method

#170
20170096860
2017-04-06

Downhole self-isolating wellbore drilling systems

#171
20170089148
2017-03-30

Downhole self-isolating wellbore drilling systems

#172
20170089147
2017-03-30

Downhole self-isolating wellbore drilling systems

#173
20170051585
2017-02-23

Downhole completion system sealing against the cap layer

#174
20170051574
2017-02-23

MULTI-STAGE WELL ISOLATION AND FRACTURING

#175
20170037698
2017-02-09

Packer apparatus and method of sealing well casing

#176
20170037697
2017-02-09

Interventionless Packer Setting Tool

#177
20160376868
2016-12-29

Downhole packer tool

#178
20160362959
2016-12-15

Sealing a portion of a wellbore

#179
20160362958
2016-12-15

Sealing a portion of a wellbore

#180
20160341000
2016-11-24

Expansion cone for downhole tool

#181
20160333666
2016-11-17

Manipulating a downhole rotational device

#182
20160333661
2016-11-17

Metal sealing device

#183
20160326831
2016-11-10

Force transferring member for use in a tool

#184
20160290094
2016-10-06

Hydraulic tool

#185
20160273300
2016-09-22

Degradable wellbore isolation devices with varying degradation rates

#186
20160215576
2016-07-28

Completion systems with flow restrictors

#187
20160194938
2016-07-07

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

#188
20160177658
2016-06-23

PACKER APPARATUSES

#189
20160168946
2016-06-16

High-temperature, high-pressure, fluid-tight seal using a series of annular rings

#190
20160130907
2016-05-12

High pressure swell seal

#191
20160097255
2016-04-07

Seat arrangement, method for creating a seat and method for fracturing a borehole

#192
20160084079
2016-03-24

Fast-setting retrievable slim-hole test packer and method of use

#193
20160084035
2016-03-24

Packer Bridge Plug with Removable/Dissolvable Ball Seat

#194
20160076347
2016-03-17

Self-contained portable unit for steam generation and injection by means of injector wellhead hanger of coiled jacketed capillary tubing with closed circuit and procedure for its operations in oil wells

#195
20160069157
2016-03-10

Method and apparatus for wellbore fluid treatment

#196
20160053570
2016-02-25

Swellable packer with reinforcement and anti-extrusion features

#197
20160047200
2016-02-18

Expandable packer methods

#198
20160047190
2016-02-18

Barrier device with fluid bypass for multi-zone wellbores

#199
20160032680
2016-02-04

Self-boosting expandable seal with cantilevered seal arm

#200
20160017697
2016-01-21

Completion tool, string completion system, and method of completing a well

#201
20160010421
2016-01-14

Testable isolation packer

#202
20160010411
2016-01-14

Apparatus and method for preventing tubing casing annulus pressure communication

#203
20150369000
2015-12-24

Sealing assembly

#204
20150368997
2015-12-24

Packer setting method using disintegrating plug

#205
20150354314
2015-12-10

METHOD AND APPARATUS FOR HYDRAULIC FRACTURING

#206
20150330174
2015-11-19

Flow restrictor

#207
20150308206
2015-10-29

System and method for setting a completion tool

#208
20150300122
2015-10-22

Axially compressed and radially pressed seal

#209
20150300121
2015-10-22

Degradable plug with friction ring anchors

#210
20150292296
2015-10-15

Packer assembly having sequentially operated hydrostatic pistons for interventionless setting

#211
20150285025
2015-10-08

Multi-stage well isolation

#212
20150285024
2015-10-08

Bridge plug with selectivity opened through passage

#213
20150275617
2015-10-01

SWELLABLE DOWNHOLE PACKERS

#214
20150267513
2015-09-24

Downhole perforating tool and method of use

#215
20150240598
2015-08-27

System for multi-zone well test/production and method of use

#216
20150240590
2015-08-27

Liner top packer for liner drilling

#217
20150240589
2015-08-27

Tubular element with inclined sealing lips and process for applying it to the wall of a well

#218
20150233189
2015-08-20

Resisting collapse of downhole tools

#219
20150226047
2015-08-13

Constructed annular safety valve element package

#220
20150226012
2015-08-13

Downhole self-isolating wellbore drilling systems

#221
20150218903
2015-08-06

Multi-layered temperature responsive pressure isolation device

#222
20150204160
2015-07-23

Isolation Barrier

#223
20150204158
2015-07-23

Temperature compensated element and associated methods

#224
20150198007
2015-07-16

Apparatus and method for providing wellbore isolation

#225
20150191992
2015-07-09

Mandrel for Re-pressurization and Downhole Plugging Apparatus

#226
20150191991
2015-07-09

Packer assembly having dual hydrostatic pistons for redundant interventionless setting

#227
20150176406
2015-06-25

Perforating packer sampling apparatus and methods

#228
20150176365
2015-06-25

Well tools with semi-permeable barrier for water-swellable material

#229
20150167421
2015-06-18

Sealing device for well components

#230
20150152707
2015-06-04

Compliant seal for irregular casing

#231
20150136388
2015-05-21

In-situ rock testing tool

#232
20150129219
2015-05-14

Systems and methods for stimulating a plurality of zones of a subterranean formation

#233
20150129197
2015-05-14

Bottom hole assembly for wellbore completion

#234
20150098793
2015-04-09

Turbine-pump system

#235
20150090465
2015-04-02

WELLBORE PACKER, METHOD AND TUBING STRING

#236
20150083440
2015-03-26

Rotatably-Actuated Fluid Treatment System Using Coiled Tubing

#237
20150083395
2015-03-26

Mitigating leaks in production tubulars

#238
20150075783
2015-03-19

METHODS AND ELECTRICALLY-ACTUATED APPARATUS FOR WELLBORE OPERATIONS

#239
20150068738
2015-03-12

Apparatus, system and method for multi zone monitoring in boreholes

#240
20150060088
2015-03-05

Packer having swellable and compressible elements

#241
20150060069
2015-03-05

SWELLABLE BALL SEALERS

#242
20150041154
2015-02-12

ANNULAR BARRIER HAVING A FLEXIBLE CONNECTION

#243
20150034316
2015-02-05

ANNULAR BARRIER HAVING EXPANSION TUBES

#244
20150027724
2015-01-29

Electronically-actuated, multi-set straddle borehole treatment apparatus

#245
20150027704
2015-01-29

PACKER END RING WITH DEVICE FOR GRIPPING BASE PIPE

#246
20150021030
2015-01-22

Temperature compensated element and uses thereof in isolating a wellbore

#247
20140360734
2014-12-11

Packer setting mechanism

#248
20140338890
2014-11-20

Retrievable swellable packer

#249
20140332239
2014-11-13

Expandable packing element and cartridge

#250
20140318761
2014-10-30

Dissolvable subterranean tool locking mechanism

#251
20140311751
2014-10-23

Annular barrier and annular barrier system

#252
20140262350
2014-09-18

Double compression set packer

#253
20140262251
2014-09-18

Method for inducing and further propagating formation fractures

#254
20140216764
2014-08-07

Hydraulic set packer with piston to annulus communication

#255
20140216762
2014-08-07

System and method for activating a down hole tool

#256
20140190683
2014-07-10

ANNULAR BARRIER WITH COMPENSATION DEVICE

#257
20140182863
2014-07-03

Straight-bore back pressure valve

#258
20140182862
2014-07-03

Downhole tool having setting valve for packing element

#259
20140166367
2014-06-19

Coring bit to whipstock systems and methods

#260
20140130085
2014-05-08

Method and system to provide interactivity using an interactive channel bug

#261
20140116732
2014-05-01

System and method for activating a down hole tool

#262
20140116684
2014-05-01

Coiled tubing packer system

#263
20140102725
2014-04-17

Seal assembly

#264
20140048731
2014-02-20

Blow out preventer

#265
20140048251
2014-02-20

Removable fracturing plug of particulate material housed in a sheath set by expansion of a passage through the sheath

#266
20140013984
2014-01-16

Borehole plug inflation control

#267
20130319677
2013-12-05

Well completion

#268
20130306328
2013-11-21

Actuator switch for a downhole tool, tool and method

#269
20130256991
2013-10-03

Shape memory seal assembly

#270
20130233574
2013-09-12

Method and apparatus for setting a wellbore packer

#271
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Packer apparatus

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Apparatus and method for providing wellbore isolation

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Processes for fracturing a well

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DEGRADABLE LAYER FOR TEMPORARILY PROTECTING A SEAL

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Remotely activated downhole apparatus and methods

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2013-01-17

Remotely activated downhole apparatus and methods

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Liner top packer for liner drilling

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Downhole tools having radially expandable seat member

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Fluid-saving pump down tool

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2012-06-28

Interventionless set packer and setting method for same

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Retrievable swellable packer

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Downhole Packer Having Swellable Sleeve

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2012-01-19

Downhole Packer Having Tandem Packer Elements for Isolating Frac Zones

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2011-12-08

Expandable packer construction

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2011-11-03

Annular barrier and annular barrier system

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2011-10-27

High pressure and high temperature ball seat

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2011-08-04

Downhole tool having setting valve for packing element

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Large bore packer and methods of setting same

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2011-06-23

Retrieval method for opposed slip type packers

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2011-06-23

Downhole safety valve apparatus and method

#291
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2011-06-09

Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellbore

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2011-06-02

Method and apparatus for wellbore fluid treatment

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2011-01-20

Straight-bore back pressure valve

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2010-12-16

Subterranean well tool including a locking seal healing system

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Self-energizing annular seal

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2010-06-17

Large bore packer and methods of setting same

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2010-03-04

Method of constructing an expandable packer

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2010-01-21

Interventionless set packer and setting method for same

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2009-12-31

Controlled pressure equalization of atmospheric chambers

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2009-10-01

System and method for packing