Process and arrangement for retrieving of equipment from bore holes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 6, 2004
Grant Date -
N/A
app pub date -
Sep 24, 2001
filing date -
Feb 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
First Claim
Other Claims data not available