Patents-Review.com
ClassID:

135440 ⎘

E21B29/12 - CPC Classification

Classification description:

Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows ; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground specially adapted for underwater installations

Recent Application in this class:
#1
20250314146
2025-10-09

METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

 #2
20240352819
2024-10-24

Method and apparatus for milling a window in casing

 #3
20240159124
2024-05-16

METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

 #4
20240093571
2024-03-21

Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells

 #5
20230272689
2023-08-31

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

 #6
20230095591
2023-03-30

METHOD AND APPARATUS OF HOT TAPPING MULTIPLE COAXIAL OR NESTED STRINGS OF UNDERWATER PIPING AND/OR TUBING FOR OVERTURNED WELLS OR PLATFORMS

 #7
20220388119
2022-12-08

System and method for cutting of offshore structures

 #8
20220290519
2022-09-15

Slot Recovery Method

 #9
20220170336
2022-06-02

Method and apparatus for milling a window in casing

 #10
20210164322
2021-06-03

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

 #11
20210155841
2021-05-27

Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells

 #12
20210148190
2021-05-20

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

 #13
20210148180
2021-05-20

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #14
20200408056
2020-12-31

Slot recovery method

 #15
20200141190
2020-05-07

Flexible riser insulation removal tool for ultrasonic test inspection

 #16
20200080383
2020-03-12

Abrasive suspension eroding system

 #17
20200032607
2020-01-30

WELL REENTRY

 #18
20190292869
2019-09-26

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #19
20190169936
2019-06-06

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

 #20
20190040704
2019-02-07

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

 #21
20180313175
2018-11-01

Riser methods and apparatuses

 #22
20180274318
2018-09-27

Method and mobile cutting tool for cutting a subsea tubular structure

 #23
20180216433
2018-08-02

Sacrificial breakaway mechanism

 #24
20180209239
2018-07-26

Apparatus and method usable for open-water rigless and riserless plug and abandonment (P and A) work

 #25
20180187813
2018-07-05

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #26
20180148301
2018-05-31

Connector system

 #27
20180100373
2018-04-12

Downhole tool string for plug and abandonment by cutting

 #28
20170370180
2017-12-28

Ball valve

 #29
20170328164
2017-11-16

Poppet assembly for use in a subsea connection system

 #30
20170321495
2017-11-09

Heave Compensator for Constant Force Application to a Borehole Tool

 #31
20170254148
2017-09-07

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

 #32
20170165809
2017-06-15

Release of subsea clamp connector by waterjet cutting of drive screw

 #33
20170145768
2017-05-25

Multi-function tool for a drilling riser

 #34
20170114603
2017-04-27

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

 #35
20160298409
2016-10-13

High-Strength Blowout Preventer Shearing Ram and Connecting Rod

 #36
20160146390
2016-05-26

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #37
20160053565
2016-02-25

Drive off method from subsea well with pipe retention capability

 #38
20160024880
2016-01-28

Subsea safety valve system

 #39
20150122501
2015-05-07

Pipe cutting apparatuses and related methods

 #40
20150041144
2015-02-12

Riser cutting tool

 #41
20150027719
2015-01-29

Method and system for containing uncontrolled flow of reservoir fluids into the environment

 #42
20140352972
2014-12-04

Systems and methods for pulling subsea structures

 #43
20140345872
2014-11-27

Laser assisted system for controlling deep water drilling emergency situations

 #44
20140345702
2014-11-27

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #45
20140332221
2014-11-13

Subsea well safing system

 #46
20140326462
2014-11-06

Ram device operable with wellbore tubulars

 #47
20140318798
2014-10-30

System and method for subsea structure obstruction remediation using an exothermic chemical reaction

 #48
20140318791
2014-10-30

System and method for subsea structure obstruction remediation using an exothermic chemical reaction

 #49
20140318789
2014-10-30

System and method for subsea structure obstruction remediation using an exothermic chemical reaction

 #50
20140241822
2014-08-28

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and or tubing for overturned wells or platforms

 #51
20140224500
2014-08-14

Well emergency separation tool for use in separating a tubular element

 #52
20140157963
2014-06-12

Method and device for separating pipes

 #53
20130309032
2013-11-21

Subsea clamp connector emergency release tool and method

 #54
20130269948
2013-10-17

Annulus cementing tool for subsea abandonment operation

 #55
20130092383
2013-04-18

Methods and apparatus for subsea well intervention and subsea wellhead retrieval

 #56
20120325491
2012-12-27

Subsea safety valve system

 #57
20120298372
2012-11-29

Apparatus and method for abandoning a well

 #58
20120273217
2012-11-01

CASING ANNULUS TESTER FOR DIAGNOSTICS AND TESTING OF A WELLBORE

 #59
20120217017
2012-08-30

Laser assisted system for controlling deep water drilling emergency situations

 #60
20120217015
2012-08-30

Laser assisted riser disconnect and method of use

 #61
20120067435
2012-03-22

Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #62
20120048566
2012-03-01

Subsea well safing system

 #63
20120018164
2012-01-26

Clamp for a well tubular

 #64
20110290501
2011-12-01

Method and system for containing uncontrolled flow of reservoir fluids into the environment

 #65
20110209540
2011-09-01

Method of cutting and testing a pipeline cut under water or under a seabed

 #66
20100326665
2010-12-30

Methods and apparatus for subsea well intervention and subsea wellhead retrieval

 #67
20100278602
2010-11-04

Articulating drill method and apparatus for cutting openings in nested strings of underwater piping and/or tubing for overturned wells or platforms

 #68
20100243072
2010-09-30

Apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms

 #69
20100163244
2010-07-01

Rigless abandonment system

 #70
20100116504
2010-05-13

Casing annulus tester for diagnostics and testing of a wellbore

 #71
20090321592
2009-12-31

Support apparatus for a well bore tool

 #72
20090314149
2009-12-24

Method of cutting target members using a cutting saw device

 #73
20090266552
2009-10-29

Apparatus and method for removing subsea structures

 #74
20090133873
2009-05-28

Method for repair of damaged wells

 #75
20070199716
2007-08-30

Apparatus for connecting underwater tubular members

 #76
20070181305
2007-08-09

Downhole milling machine and method of use

 #77
20060260809
2006-11-23

Method and apparatus for replacing drive pipe

 #78
20050173123
2005-08-11

Device for a hydraulic cutting tool

 #79
16797271
2022-03-22

Hydraulically activated connection device

 #80
16552538
2020-10-13

Diamond wire saw apparatus

 #81
15972486
2019-05-28

Method and apparatus for salvaging an oil well tubulars

 #82
15462980
2018-03-20

Method of cutting target members using a cutting saw device

 #83
15462851
2017-10-10

Pipe cutting and plugging device

 #84
15363546
2018-03-27

Systems and methods for removing components of a subsea well

 #85
14659896
2015-11-03

Method for repairing a blowout preventer at sea

 #86
14152550
2015-12-01

Apparatus for the shearing of pipe through the use of shape charges