| 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 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 th e core from a tubular being milled.
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| 申请公布号 |
CA2307627(C) |
申请公布日期 |
2006.02.28 |
| 申请号 |
CA19982307627 |
申请日期 |
1998.11.02 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
BLIZZARD, WILLIAM ALLEN JR.;CARTER, THURMAN B.;KUCK, MARC DAVID;MCCLUNG, GUY LAMONT III |
| 分类号 |
E21B29/06;E21B7/06;E21B7/08;E21B7/10;E21B10/04;E21B10/46;E21B10/50;E21B10/60;E21B17/02;E21B21/10 |
主分类号 |
E21B29/06 |
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