发明授权
- 专利标题： Rotary steerable drilling apparatus and method
- 专利标题（中）： 旋转导向钻井装置及方法
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申请号： US11421147申请日： 2006-05-31
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公开(公告)号： US08967296B2公开(公告)日： 2015-03-03
- 发明人: Geoff Downton , David L. Smith
- 申请人： Geoff Downton , David L. Smith
- 申请人地址： US TX Sugar Land
- 专利权人： Schlumberger Technology Corporation
- 当前专利权人： Schlumberger Technology Corporation
- 当前专利权人地址： US TX Sugar Land
- 代理商 Chadwick A. Sullivan; Wesley Noa
- 主分类号： E21B7/06
- IPC分类号： E21B7/06
摘要：
The present invention relates to a rotary steerable drilling apparatus which separates the drill string from the bottom hole assembly thereby allowing the biasing means to push the bit in a given direction without having to lift the drill string along with the bottom hole assembly.
公开/授权文献
- US20080083567A1 ROTARY STEERABLE DRILLING APPARATUS AND METHOD 公开/授权日：2008-04-10
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