发明申请
- 专利标题: Combined directional and impact drilling motor
- 专利标题(中): 组合定向和冲击钻机
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申请号: US11305607申请日: 2005-12-16
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公开(公告)号: US20070137897A1公开(公告)日: 2007-06-21
- 发明人: Michael Sanders , Jerry Foster , Duane Bennett
- 申请人: Michael Sanders , Jerry Foster , Duane Bennett
- 主分类号: E21B7/04
- IPC分类号: E21B7/04
摘要:
A directional drilling mechanism is disclosed. The mechanism is also an impact drill.
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