Well tool device for forming a permanent barrier in a well

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United States of America Patent

PATENT NO 11927065
APP PUB NO 20220412181A1
SERIAL NO

17763147

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A well tool device for forming a permanent barrier in a well includes a housing and an ignition device. A compartment is provided in the housing. A pyrotechnic mixture or heat generating mixture is provided within the compartment. The ignition device is adapted to heating at least a part of the pyrotechnic mixture or the heat generating mixture to its ignition temperature. If the pyrotechnic mixture is provided, the pyrotechnic mixture includes a first metal and at least a section of the housing is made of the first metal. If the heat generating mixture is provided, at least a section of the housing is made from a material being a constituent of the heat generating mixture.

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Patent Owner(s)

  • INTERWELL P&A AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tøndel, Stian Trondheim, NO 6 3

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