发明名称 |
Drill bit with an adjustable steering device |
摘要 |
A drill bit is provided that includes a force application device on a body of the drill bit. The force application device includes a force application member pivotally coupled to the drill bit and configured to extend from the drill bit body to apply force on a wellbore wall when the drill bit is used to drill a wellbore, and an actuator configured to actuate the force application member to apply force on a wellbore wall during drilling of the wellbore. |
申请公布号 |
US8087479(B2) |
申请公布日期 |
2012.01.03 |
申请号 |
US20090535326 |
申请日期 |
2009.08.04 |
申请人 |
KULKARNI AJAY V.;LUCE DAVID K.;BRADFORD JOHN F.;BAKER HUGHES INCORPORATED |
发明人 |
KULKARNI AJAY V.;LUCE DAVID K.;BRADFORD JOHN F. |
分类号 |
E21B7/08;E21B17/12 |
主分类号 |
E21B7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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