| 发明名称 |
MILL FOR USE IN A WELLBORE AND METHOD OF MILLING |
| 摘要 |
A mill for use in a wellbore, said mill comprising a bore (414) for accomodating a core, characterised in that at least a portion of said bore does not extend axially of said mill to, in use, facilitate separation of the core from a tubular being milled.
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| 申请公布号 |
CA2307627(A1) |
申请公布日期 |
1999.05.14 |
| 申请号 |
CA19982307627 |
申请日期 |
1998.11.02 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
CARTER, THURMAN B.;MCCLUNG, GUY LAMONT;BLIZZARD, WILLIAM ALLEN;KUCK, MARC DAVID |
| 分类号 |
E21B7/06;E21B7/08;E21B7/10;E21B10/04;E21B10/46;E21B10/50;E21B10/60;E21B17/02;E21B21/10;E21B29/06;(IPC1-7):E21B29/06 |
主分类号 |
E21B7/06 |
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