发明名称 PROCESS AND ARRANGEMENT FOR RETRIEVING OF EQUIPMENT FROM BORE HOLES.
摘要 <p>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.</p>
申请公布号 MXPA01008013(A) 申请公布日期 2003.07.14
申请号 MX2001PA08013 申请日期 2000.02.08
申请人 TOTAL CATCHER OFFSHORE AS 发明人 SOLLESNES, ODD
分类号 E21B31/20;(IPC1-7):E21B31/12 主分类号 E21B31/20
代理机构 代理人
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