Systems and methods for downhole tubular cutting
AssigneeHalliburton Energy Services, Inc.
InventorsThomas Earl Burky, Darren Phillip Waiters
Life of this patent
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Abstract
A downhole tubular cutting system includes a cutter comprising an explosive material configured to cut a tubular. The system further includes a generator body coupled to the cutter on an end of the cutter such that the generator body will be oriented uphole or downhole of the cutter when the cutter is positioned with the tubular. A detonating cord or igniter fuse is disposed around the generator body.
Claims20
A downhole tubular cutting system comprising:
- a cutter positionable downhole within a tubular;
- and
- a fluid displacer configured to displace fluid from a space between the explosive cutter and the tubular.
A downhole tubular cutting system comprising:
- a cutter comprising an explosive material configured to cut a tubular;
- a generator body coupled to the cutter on an end of the cutter such that the generator body will be oriented uphole or downhole of the cutter when the cutter is positioned with the tubular;
- and
- a detonating cord or igniter fuse disposed around the generator body.
A method for cutting a downhole tubular comprising:
- displacing a fluid surrounding a downhole cutter;
- and
- actuating the cutter to cut the tubular.
The method of 17, wherein displacing a fluid further comprises generating a gas downhole of the cutter.
The method of 17, wherein displacing a fluid further comprises expanding an airbag surrounding the cutter by delivering a gas to or generating a gas within the airbag.
The method of 17, wherein displacing a fluid further comprises expanding a housing in which the cutter is housed.
Dependencies are inferred from the claim text.