Apparatus and method for milling through a whipstock in a wellbore |
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| 申请号 | EP02102822.0 | 申请日 | 1999-01-18 | 公开(公告)号 | EP1312751A3 | 公开(公告)日 | 2004-01-14 |
| 申请人 | WEATHERFORD/LAMB, INC.; | 发明人 | DURST, Douglas Glenn; ROBERTSON, Robert, Eugene; CARTER, Thurman B.; JOHANTGES, Paul, Jeffrey; PLEASANTS, Charles, W.; BLIZZARD, William, Alan, Jr.; LANGFORD, Dale, Elliott; MCCLUNG, Guy, LaMont, III; | ||||
| 摘要 | A method for milling within a whipstock set in a wellbore comprises introducing a mill guide (30) having a channel therethrough into the wellbore above the whipstock. The mill guide is moved into stabilising contact with the whipstock and a mill is guided by the mill guide to mill down into the whipstock. The mill has at least a portion thereof in contact with the mill guide while milling into the whipstock. | ||||||
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| 说明书全文 | |||||||
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