Process and arrangement for retrieving of equipment from bore holes

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United States of America Patent

PATENT NO 6758267
SERIAL NO

09890991

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is referred to a process for retrieving equipment (70, 72, 90) which is stuck, from a bore hole, where the equipment is connected to a tool and is brought to the surface, and the method is characterised in that a tool is lowered in the bore hole, such as mounted to the lower end of a string or the like, said tool comprising a stationary grip part (14, 44) which is arranged substantially enclosingly about the equipment residue (70, 72, 90) between its outer wall and the wall of the bore hole, after which a central axially movable grip part (16) of the tool is caused to be forced downwards for fixing the equipment residue against the stationary grip part. There is also disclosed a device for accomplishing the method.

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Patent Owner(s)

Patent OwnerAddress
TOTAL CATCHER OFFSHORE AS5889 BERGEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sollesnes, Odd Hauglandshella, NO 3 53

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