Invention Grant
US08087479B2 Drill bit with an adjustable steering device 有权
钻头可调节转向装置

Drill bit with an adjustable steering device
Abstract:
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.
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