| 摘要 |
<p>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.</p> |
