Patents-Review.com
ClassID:

135505 ⎘

E21B33/1292 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole; Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks with means for anchoring against downward and upward movement

Recent Application in this class:
#1
20260139565
2026-05-21

EXPANDABLE METAL SLIP RING FOR USE WITH A SEALING ASSEMBLY

 #2
20260117614
2026-04-30

SEALING ON SERVICE PACKERS

 #3
20250257622
2025-08-14

PLUGGING ASSEMBLIES FOR PLUGGING CASED WELLBORES

 #4
20250146381
2025-05-08

COMPACT DOWNHOLE TOOL

 #5
20250146380
2025-05-08

COMPACT DOWNHOLE TOOL

 #6
20250137337
2025-05-01

SHEARABLE LOCK MECHANISM FOR STORM PACKER ANCHOR

 #7
20240328270
2024-10-03

SETTING TOOL

 #8
20240084667
2024-03-14

Slip system for use in downhole applications

 #9
20230349259
2023-11-02

Compact downhole tool

 #10
20230349253
2023-11-02

Plugging assemblies for plugging cased wellbores

 #11
20230184056
2023-06-15

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

 #12
20230167705
2023-06-01

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

 #13
20220397013
2022-12-15

Storm packer anchor and setting tool

 #14
20220381110
2022-12-01

Method for well remediation and repair

 #15
20220372837
2022-11-24

EXPANDABLE METAL SLIP RING FOR USE WITH A SEALING ASSEMBLY

 #16
20220259934
2022-08-18

Load anchor with sealing

 #17
20220220824
2022-07-14

VOIDED MOLDABLE BUTTONS

 #18
20220195822
2022-06-23

3D printed barrel slip

 #19
20220178223
2022-06-09

Radially expandable anti-extrusion backup ring

 #20
20220127919
2022-04-28

Setting tool

 #21
20220120151
2022-04-21

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

 #22
20220106855
2022-04-07

Retrievable packer with push rod release

 #23
20220090464
2022-03-24

Slip assembly for downhole tool and method therefor

 #24
20210363855
2021-11-25

Wellbore completion apparatus

 #25
20210222511
2021-07-22

Method and apparatus for diverting load within a cut-to-release packer

 #26
20210164319
2021-06-03

3D printed tool with integral stress concentration zone

 #27
20210062611
2021-03-04

Downhole check valve assembly with a locking mechanism

 #28
20200378197
2020-12-03

Heave compensation system for assembling a drill string

 #29
20200347693
2020-11-05

Multi-stage hydraulic fracturing tool and system

 #30
20200340328
2020-10-29

Downhole tool with a slip insert having a hole

 #31
20200340327
2020-10-29

Downhole plugging system

 #32
20200308920
2020-10-01

Multi-layer backup ring

 #33
20190292873
2019-09-26

Downhole tool and method of use

 #34
20190242210
2019-08-08

Inflatable packer internal pressure compensation assembly

 #35
20190078416
2019-03-14

3D printed tool with integral stress concentration zone

 #36
20190055811
2019-02-21

Shortened Tubing Baffle with Large Sealable Bore

 #37
20190055810
2019-02-21

Wellbore isolation devices with slip bands and wear bands having modified surfaces

 #38
20190017347
2019-01-17

Packer assembly including a support ring

 #39
20180363409
2018-12-20

DISSOLVABLE DOWNHOLE FRAC TOOL HAVING A SINGLE SLIP

 #40
20180328136
2018-11-15

Frac plug with retention mechanisim

 #41
20180328130
2018-11-15

Frac plug with retention mechanism

 #42
20180320490
2018-11-08

Method and system for hydraulic communication with target well from relief well

 #43
20180320473
2018-11-08

Sealing element backup ring with integrated tab to close extrusion path along a mandrel

 #44
20180305997
2018-10-25

Central shaft for bridge plug, bridge plug and setting method for the same

 #45
20180298724
2018-10-18

Magnetic flow valve for borehole use

 #46
20180291703
2018-10-11

DOWNHOLE TOOL AND METHOD OF USE

 #47
20180283116
2018-10-04

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

 #48
20180252060
2018-09-06

ROD LOCKING APPARATUS

 #49
20180216429
2018-08-02

Bidirectional slips

 #50
20180209242
2018-07-26

Resettable pre-set mechanism for downhole tools

 #51
20180202257
2018-07-19

Mandrel for a Downhole Tool

 #52
20180179851
2018-06-28

Downhole tool and method of use

 #53
20180171747
2018-06-21

IPacker Bridge Plug with Slips

 #54
20180094502
2018-04-05

Reducing support ring for bridge plug and bridge plug

 #55
20180094501
2018-04-05

Tension-set tieback packer

 #56
20180087345
2018-03-29

Dissolvable composite slips and methods of manufacturing same

 #57
20180045016
2018-02-15

Packer

 #58
20180010418
2018-01-11

Downhole tool and method of use

 #59
20180010417
2018-01-11

Downhole tool and method of use

 #60
20170362914
2017-12-21

Borehole data transmission method for flowed back borehole plugs with a lower slip assembly or object landed on said plugs

 #61
20170362912
2017-12-21

Frac plug with retention mechanism

 #62
20170335650
2017-11-23

System and method for downhole operations

 #63
20170275964
2017-09-28

Shortened tubing baffle with large sealable bore

 #64
20170234102
2017-08-17

Apparatus for sealing a bore, a system comprising the apparatus and a method for using apparatus

 #65
20170183923
2017-06-29

Heave compensation system for assembling a drill string

 #66
20170145781
2017-05-25

Self locking plug seat, system and method

 #67
20170058630
2017-03-02

Releasably locked debris barrier for a subterranean tool

 #68
20160356116
2016-12-08

Disintegrating plug for subterranean treatment use

 #69
20160312569
2016-10-27

Tension-set tieback packer

 #70
20160305215
2016-10-20

Frac plug

 #71
20160290096
2016-10-06

Actuatable plug system for use with a tubing string

 #72
20160265304
2016-09-15

Anchor Structure and Downhole Plugging Apparatus

 #73
20160251922
2016-09-01

External slip having expandable slots and a retainer

 #74
20160245039
2016-08-25

Slip configuration for downhole tool

 #75
20160237776
2016-08-18

Downhole tool with one-piece slip

 #76
20160177660
2016-06-23

PACKER

 #77
20160138363
2016-05-19

IPacker bridge plug with slips

 #78
20160123100
2016-05-05

Angled segmented backup ring

 #79
20160102522
2016-04-14

Packer

 #80
20160084036
2016-03-24

WELLBORE PACKER BACK-UP RING ASSEMBLY, PACKER AND METHOD

 #81
20160084025
2016-03-24

Interlocking, Full-Circumference Packer Slip

 #82
20160061001
2016-03-03

Shortened tubing baffle with large sealable bore

 #83
20160061000
2016-03-03

Flow resistant packing element system for composite plug

 #84
20150345249
2015-12-03

Morphable apparatus

 #85
20150308217
2015-10-29

Downhole tool with one-piece slip

 #86
20150275641
2015-10-01

Method of treating a downhole formation using a downhole packer

 #87
20150267502
2015-09-24

Downhole tool and method of use

 #88
20150260008
2015-09-17

Retrievable downhole tool system

 #89
20150260007
2015-09-17

Downhole tool and method of use

 #90
20150247376
2015-09-03

Corrodible wellbore plugs and systems and methods including the same

 #91
20150233199
2015-08-20

Quarter turn tubing anchor catcher

 #92
20150226028
2015-08-13

Downhole repeat micro-zonal isolation assembly and method

 #93
20150191990
2015-07-09

Downhole tool and method of use

 #94
20150176366
2015-06-25

Non-metallic slip assembly and related methods

 #95
20150176347
2015-06-25

Heave compensation system for assembling a drill string

 #96
20150159450
2015-06-11

Composite slip for a downhole tool

 #97
20150114620
2015-04-30

Increased load bearing thickness for anchoring slip

 #98
20150101796
2015-04-16

Downhole system for isolating sections of a wellbore

 #99
20150090441
2015-04-02

Anchor mechanism for use in a well

 #100
20150090439
2015-04-02

Downhole tool and method of use

 #101
20150075774
2015-03-19

Frac plug with anchors and method of use

 #102
20140262343
2014-09-18

Rotatable tubing anchor

 #103
20140231069
2014-08-21

Downhole tool and method of use

 #104
20140060812
2014-03-06

Standoff device for downhole tools using slip elements

 #105
20130312954
2013-11-28

System for lining a wellbore

 #106
20130306329
2013-11-21

Method and wellbore system

 #107
20130269930
2013-10-17

Drillable tool back up shoe

 #108
20130048315
2013-02-28

Downhole tool having an anti-rotation configuration and method for using the same

 #109
20130048314
2013-02-28

Downhole tool and method of use

 #110
20130048313
2013-02-28

Downhole tool and method of use

 #111
20130048272
2013-02-28

Downhole tool and method of use

 #112
20130048271
2013-02-28

Downhole tool and method of use

 #113
20130008673
2013-01-10

Covered retaining shoe configurations for use in a downhole tool

 #114
20120125642
2012-05-24

Convertible multi-function downhole isolation tool and related methods

 #115
20120125637
2012-05-24

Non-metallic slip assembly and related methods

 #116
20110232899
2011-09-29

Composite reconfigurable tool

 #117
20100051293
2010-03-04

Downhole tool with load diverting system and method

 #118
20090294119
2009-12-03

Large bore packer

 #119
20080115929
2008-05-22

Spring energized debris barrier for mechanically set retrievable packer

 #120
20060225877
2006-10-12

Patriot retrievable production packer

 #121
20050263295
2005-12-01

Recoverable, reinforced and vibration-damping plug used for cased wells

 #122
20050087347
2005-04-28

Two slip retrievable packer for extreme duty

 #123
18663612
2025-07-29

Slip retention mechanism for downhole isolation device

 #124
17401361
2022-05-10

Spiral deployed isolation tool