| 发明名称 |
BOTTOMHOLE ASSEMBLY AND METHODS OF USE |
| 摘要 |
A bottomhole assembly (BHA) (32) for use in well operations, with particular application to use in drilling with a downhole drilling motor (12, 13, 14) and with coiled tubing (66) and directional drilling, including a novel power pack (52), orienting tool (56), arrangement of bottomhole assembly tools, and method of use of the BHA (32) for orienting while drilling.
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| 申请公布号 |
CA2282342(A1) |
申请公布日期 |
1998.08.27 |
| 申请号 |
CA19982282342 |
申请日期 |
1998.02.20 |
| 申请人 |
BJ SERVICES COMPANY, U.S.A. |
发明人 |
RAVENSBERGEN, JOHN E.;PORTMAN, LANCE N. |
| 分类号 |
E21B4/00;E21B4/02;E21B4/04;E21B7/06;E21B17/10;E21B21/10;E21B23/00;E21B23/04;E21B47/022;(IPC1-7):E21B21/10 |
主分类号 |
E21B4/00 |
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