ClassID:

135508

E21B33/1295 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole; Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure

Sub-classes:
Recent Application in this class:
#1
20240229595
2024-07-11

PACKER SYSTEM WITH LOAD BYPASS TO PREVENT PREMATURE EXPANSION

#2
20240218757
2024-07-04

Combined actuation of slips and packer sealing element

#3
20240133263
2024-04-25

Packer system with load bypass to prevent premature expansion

#4
20230417114
2023-12-28

Downhole tool for detecting features in a wellbore, a system, and a method relating thereto

#5
20230272681
2023-08-31

REMOVING WELLBORE COMPLETION COMPONENTS IN A WELLBORE

#6
20230184057
2023-06-15

CEMENTING A WELLBORE CASING

#7
20230175346
2023-06-08

Pressure isolation ring to isolate the setting chamber once hydraulic packer is set

#8
20230056451
2023-02-23

Method and apparatus for providing a ball-in-place plug activated by cup and internal continuous expansion mechanism

#9
20220397014
2022-12-15

Combined actuation of slips and packer sealing element

#10
20220389789
2022-12-08

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

#11
20220341281
2022-10-27

Expanding and collapsing apparatus with seal pressure equalization

#12
20220268116
2022-08-25

Expanding and collapsing apparatus and methods of use

#13
20220259941
2022-08-18

Port free hydraulic unibody system and methodology for use in a well

#14
20220186580
2022-06-16

Pressure compensation piston for dynamic seal pressure differential minimization

#15
20220090458
2022-03-24

Dissolvable pump down devices, dissolvable pump down assemblies, and methods to propel a bottomhole assembly through a lateral section of a wellbore

#16
20210396092
2021-12-23

Expansion tool assembly for expandable tubular

#17
20210198961
2021-07-01

Improvements In Or Relating To Well Abandonment

#18
20210164320
2021-06-03

Straddle packer with fluid pressure packer set and automatic stay-set

#19
20210140267
2021-05-13

Setting and unsetting a production packer

#20
20210071496
2021-03-11

Self-inflating high expansion seal

#21
20210062610
2021-03-04

Stinger for communicating fluid line with downhole tool

#22
20200332622
2020-10-22

Anti-preset for packers

#23
20200277837
2020-09-03

Frac plug system with integrated setting tool

#24
20200256153
2020-08-13

Straddle packer with fluid pressure packer set and automatic stay-set

#25
20200182023
2020-06-11

Running tool for an expandable tubular

#26
20200165895
2020-05-28

Well tool assembly

#27
20200095837
2020-03-26

Control Line Set ESP Packer With Anti-Preset Device

#28
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

#29
20200003018
2020-01-02

System for setting a downhole tool

#30
20190352998
2019-11-21

Plug assemblies for a subterranean wellbore

#31
20190338612
2019-11-07

Electronic release tool

#32
20190203559
2019-07-04

Wellbore isolation device with telescoping setting system

#33
20180347308
2018-12-06

System and method for forming metal-to-metal seal

#34
20180298717
2018-10-18

Systems and methods for sealing a wellbore

#35
20180274326
2018-09-27

Polymers for Wellbore Plugs and Wellbore Stability

#36
20180258734
2018-09-13

Downhole casing pulling tool

#37
20180238156
2018-08-23

Bottom hole assembly for wellbore completion

#38
20180142526
2018-05-24

Hydrostatically actuable downhole piston

#39
20180128074
2018-05-10

Testable isolation packer

#40
20180106119
2018-04-19

Anchor and seal system

#41
20180045017
2018-02-15

Slip Assembly for Anchoring Downhole Plugs and Retainers

#42
20170362914
2017-12-21

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

#43
20170342800
2017-11-30

Wellbore stage tool with redundant closing sleeves

#44
20170247974
2017-08-31

Subterranean packer sealing system load diverter

#45
20170226837
2017-08-10

Downhole device and downhole system

#46
20170191347
2017-07-06

Pressure balanced setting tool

#47
20170037697
2017-02-09

Interventionless Packer Setting Tool

#48
20160290095
2016-10-06

Packer assembly with wing projection slips

#49
20160265302
2016-09-15

Breakaway obturator for downhole

#50
20160222744
2016-08-04

Slip assembly

#51
20160010421
2016-01-14

Testable isolation packer

#52
20150345249
2015-12-03

Morphable apparatus

#53
20150233189
2015-08-20

Resisting collapse of downhole tools

#54
20150191991
2015-07-09

Packer assembly having dual hydrostatic pistons for redundant interventionless setting

#55
20150129197
2015-05-14

Bottom hole assembly for wellbore completion

#56
20150090441
2015-04-02

Anchor mechanism for use in a well

#57
20150068770
2015-03-12

DOWNHOLE APPARATUS

#58
20140374119
2014-12-25

Hydraulic anchor for downhole packer

#59
20140130085
2014-05-08

Method and system to provide interactivity using an interactive channel bug

#60
20140076537
2014-03-20

Multi-piston hydrostatic setting tool with locking feature outside actuation chambers for multiple pistons

#61
20140076536
2014-03-20

Multi-piston hydrostatic setting tool with locking feature and a single lock for multiple pistons

#62
20140076535
2014-03-20

Multi-piston hydrostatic setting tool with locking feature and pressure balanced pistons

#63
20130299185
2013-11-14

Disintegrable metal cone, process of making, and use of the same

#64
20130248179
2013-09-26

Packer for alternate flow channel gravel packing and method for completing a wellbore

#65
20130213635
2013-08-22

Hydraulic well packer

#66
20130206392
2013-08-15

Fracturing tool anchor

#67
20120325479
2012-12-27

Coiled tubing bottom hole assembly with packer and anchor assembly

#68
20120241154
2012-09-27

Sliding stage cementing tool

#69
20120205091
2012-08-16

Stage tool

#70
20120186814
2012-07-26

System And Method For Preserving A Hydraulic Packer

#71
20120160521
2012-06-28

Interventionless set packer and setting method for same

#72
20120103618
2012-05-03

Valve for a sand slurry system

#73
20120097396
2012-04-26

Bottom hole assembly

#74
20120080202
2012-04-05

Downhole apparatus with packer cup and slip

#75
20120073832
2012-03-29

Multi-purpose fill and circulate well tool

#76
20110308820
2011-12-22

Downhole apparatus with packer cup and slip

#77
20110259610
2011-10-27

High pressure and high temperature ball seat

#78
20110247832
2011-10-13

Expandable slip ring for use with liner hangers and liner top packers

#79
20110147013
2011-06-23

Retrieval method for opposed slip type packers

#80
20110056676
2011-03-10

Removable hydraulic-set packer

#81
20110030960
2011-02-10

Methods and apparatus for a downhole tool

#82
20100307773
2010-12-09

METHOD AND AN APPARATUS FOR CONTROLLING A WELL BARRIER

#83
20100300703
2010-12-02

Pressure actuable downhole tool and a method for actuating the same

#84
20100186969
2010-07-29

Downhole apparatus

#85
20100175895
2010-07-15

Permeability modification

#86
20100126725
2010-05-27

Coiled tubing bottom hole assembly with packer and anchor assembly

#87
20100101807
2010-04-29

Downhole apparatus with packer cup and slip

#88
20100038073
2010-02-18

HYDRAULIC WELL PACKER

#89
20100012330
2010-01-21

Interventionless set packer and setting method for same

#90
20090294137
2009-12-03

Wellbore packer

#91
20090277651
2009-11-12

High circulation rate packer and setting method for same

#92
20090242211
2009-10-01

Methods and apparatus for a downhole tool

#93
20090229832
2009-09-17

Pressure Compensator for Hydrostatically-Actuated Packers

#94
20090178808
2009-07-16

Convertible seal

#95
20090056956
2009-03-05

Packing element booster

#96
20080196884
2008-08-21

Expandable packer with mounted exterior slips and seal

#97
20080169105
2008-07-17

Convertible seal

#98
20080011471
2008-01-17

Low pressure-set packer

#99
20070227745
2007-10-04

Secondary lock for a downhole tool

#100
20060102361
2006-05-18

Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy

#101
20060016595
2006-01-26

Downhole measurement system and method

#102
20060016593
2006-01-26

Downhole measurement system and method

#103
20050217869
2005-10-06

High pressure expandable packer

#104
20050189121
2005-09-01

Expandable packer with mounted exterior slips and seal

#105
20050087347
2005-04-28

Two slip retrievable packer for extreme duty

#106
20050077053
2005-04-14

Retrievable packer assembly, method, and system with releasable body lock ring

#107
20050023004
2005-02-03

Alternative packer setting method

#108
13897614
2017-01-10

Downhole seal apparatus and method thereof