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
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