发明申请
- 专利标题: Directional casing and liner drilling with mud motor
- 专利标题(中): 定向套管和带泥浆马达的衬管钻孔
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申请号: US10735323申请日: 2003-12-12
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公开(公告)号: US20050126826A1公开(公告)日: 2005-06-16
- 发明人: Keith Moriarty , Michael Johnson
- 申请人: Keith Moriarty , Michael Johnson
- 主分类号: E21B7/04
- IPC分类号: E21B7/04 ; E21B7/06 ; E21B7/20 ; E21B10/26
摘要:
A directional casing drilling system includes a casing string, a mud motor operatively coupled to the casing string, a rotary steerable system operatively coupled to the mud motor, and a drill bit operatively coupled to the rotary steerable system.
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