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公开(公告)号：US20230287751A1
公开(公告)日：2023-09-14
申请号：US18321064
申请日：2023-05-22
Applicant: Tenax Energy Solution, LLC
Inventor： Kevin Dewayne Jones
IPC: E21B29/02 , E21B33/12 , E21B31/113
CPC classification number: E21B29/02 , E21B33/12 , E21B31/113
Abstract: A system used to dislodge and, if necessary, sever a tubular string that is stuck within a cased wellbore. The system utilizes a jar, a plurality of plugs, and a tubular severance device. Components of the system are carried to their respective desired downhole positions by downward fluid flow within the wellbore. The jar is configured to jar the string in an effort to dislodge the string from its stuck point. The plugs are configured to fill open perforations formed in the casing in order to direct the fluid toward the stuck point and away from the perforations. If the string cannot be freed by the jar, the tubular severance device is deployed within the string above the stuck point. Detonation of the device severs the string above the stuck point.
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公开(公告)号：US20230220740A1
公开(公告)日：2023-07-13
申请号：US18009465
申请日：2021-06-09
Applicant: PANDA-SEAL INTERNATIONAL LTD
Inventor： Philip Head
CPC classification number: E21B29/02 , E21B23/0417 , E21B41/0078
Abstract: A well cutting tool, comprising a housing including a chamber, the housing having at least one nozzle, the chamber being loaded with thermite, and a gas-generating additive an ignitor such that when the ignitor is actuated to ignite the thermite, the gas-generating additive is caused to create an increase in pressure which discharges energised molten thermite from the chamber and out of the housing through the at least one nozzle.
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公开(公告)号：US20230212921A1
公开(公告)日：2023-07-06
申请号：US17567522
申请日：2022-01-03
Applicant: TimeSaver Downhole Products, LLC
Inventor： Robert W. Evans , Chet Brame , Homero Castillo
CPC classification number: E21B29/04 , E21B29/02 , E21B31/125
Abstract: A cable head line cutter tool comprising an internal mandrel anchored to a line and releasably held in an initial position by a pressure relief valve which may act in coordination with a locking mechanism disposed within an outer housing of the cable head cutter tool. When a tensile load is applied to the line sufficient to overcome an opening pressure of the pressure relief valve and a mechanical resistance acting upon the locking mechanism, and maintained for a duration sufficient to overcome a hydraulic resistance acting upon the locking mechanism, the internal mandrel may become released to travel within the outer housing. If the tensile load applied to the line is sufficient to open the pressure relief valve, release the mandrel from the locking mechanism, and maintained for sufficient duration, the mandrel may cause a line cutter device of the cable head line cutter tool to cut the line.
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公开(公告)号：US20230193713A1
公开(公告)日：2023-06-22
申请号：US18110183
申请日：2023-02-15
Applicant: Terves, LLC
Inventor： Brian Doud , Andrew Sherman , Nicholas Farkas , Brian Werry
CPC classification number: E21B29/02 , C06B45/18 , E21B31/002 , C06B45/32 , E21B33/12 , Y10T428/12729 , Y10T428/31605 , Y10T428/31692
Abstract: An engineered composite system designed to be passive or inert under one set of conditions, but becomes active when exposed to a second set of conditions. This system can include a dissolving or disintegrating core, and a surface coating that has higher strength or which only dissolves under certain temperature and pH conditions, or in selected fluids. These reactive materials are useful for oil and gas completions and well stimulation processes, enhanced oil and gas recovery operations, as well as in defensive and mining applications requiring high energy density and good mechanical properties, but which can be stored and used for long periods of time without degradation.
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公开(公告)号：US11661812B2
公开(公告)日：2023-05-30
申请号：US17682005
申请日：2022-02-28
Applicant: Halliburton Energy Services, Inc.
Inventor： Samuel Jason Lewis , Paul Joseph Jones , Lonnie Carl Helms
Abstract: Systems, methods, and apparatuses of the present disclosure generally relate to dissolvable plugs for separating fluids in a wellbore. A dissolvable plug includes a first end comprising a first fluid barrier. The first fluid barrier includes a polymer film. The dissolvable plug also includes a second end opposite to the first end. The second end comprises a second fluid barrier. The second fluid barrier comprises a polymer film. The dissolvable plug includes a solid structure made of a sand and salt mixture.
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Patent Agency Ranking
公开(公告)号：US11649688B2
公开(公告)日：2023-05-16
申请号：US17268982
申请日：2019-08-16
Applicant: SPEX CORPORATE HOLDINGS LIMITED
Inventor： James George Oag , Rae Andrew Younger
IPC: E21B29/02
CPC classification number: E21B29/02
Abstract: A tool (1) for manipulating a target with combustion products from a propellant, includes a housing (2) defining a chamber (12), a propellant source located within the chamber (12), an ignition mechanism (28) for igniting propellant (26) at the propellant source, and at least one chamber outlet (30) for combustion products from the propellant source. The tool (1) is configured to automatically open the chamber outlet (30) from a closed condition, following ignition of the propellant (26) at the propellant source. Methods of manipulating a target using the tool are also described.
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公开(公告)号：US20190153799A1
公开(公告)日：2019-05-23
申请号：US16134147
申请日：2018-09-18
Applicant: GEODYNAMICS, INC.
Inventor： John T. HARDESTY
Abstract: A ball for sealing a plug in a well, the ball including a body; an actuation mechanism located inside the body and configured to break the body into parts; and a sensor connected to the actuation mechanism and configured to measure a parameter outside the body. The actuation mechanism includes a first timer that is triggered by a first measured value of the parameter, and also includes a second timer that is triggered by a second measured value of the parameter.
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公开(公告)号：US20180291688A1
公开(公告)日：2018-10-11
申请号：US15573986
申请日：2015-07-02
Applicant: Halliburton Energy Services, Inc.
Inventor： Joseph Eli Hess , Thomas Earl Burky , Andrew John Cuthbert
CPC classification number: E21B7/007 , E21B7/04 , E21B7/06 , E21B29/02 , E21B33/13 , E21B43/117 , E21B43/119 , E21B47/024 , F42B1/028
Abstract: In accordance with embodiments of the present disclosure, systems and methods for establishing hydraulic communication between a relief wellbore and a target wellbore during relief well applications are provided. Present embodiments include a perforating gun that uses an explosively formed penetrator (EFP) to establish hydraulic communication between a relief well and the target well for well kill operations. The EFP may be detonated downhole according to the Misznay-Schardin effect, thereby releasing a projectile toward the target well to form a relatively large hole through the casing/cement between the wellbores. The EFP may be positioned in a desired orientation with respect to the target well, in order that the projectile may be directed from the relief well directly into the target well. In some embodiments, the disclosed perforating gun may include several EFP charges positioned along one side of the gun at approximately 0 to 10 degree phasing from each other.
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公开(公告)号：US20180258735A1
公开(公告)日：2018-09-13
申请号：US15918393
申请日：2018-03-12
Applicant: ConocoPhillips Company
Inventor： Randall S. SHAFER
IPC: E21B33/134 , E21B29/02 , E21B33/12
CPC classification number: E21B33/134 , E21B29/002 , E21B29/02 , E21B33/12
Abstract: A method for creating access to annular spacing during P&A operations is described. Specifically, helical coils are cut into one or more casings before the plugging material is set. The plugging material is able to exit the helical coils, forming multiple, small rock-to-rock seals.
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公开(公告)号：US10053939B2
公开(公告)日：2018-08-21
申请号：US15115613
申请日：2015-01-26
Applicant: Halliburton Energy Services, Inc.
Inventor： Matthew J. Merron , Zachary W. Walton , John Todd Broome
CPC classification number: E21B29/02 , E21B29/00 , E21B33/12 , E21B34/063 , E21B34/14 , E21B2034/007
Abstract: A method of removing a wellbore isolation device comprising: causing or allowing at least a portion of the isolation device to undergo a phase transformation in the wellbore; and milling at least a portion of the isolation device that does not undergo the phase transformation.
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