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Drill Bit with a Force Application Device Using a Lever Device for Controlling Extension of a Pad From a Drill Bit Surface
Drill Bit with a Force Application Device Using a Lever Device for Controlling Extension of a Pad From a Drill Bit Surface
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机译:具有力施加装置的钻头,该力施加装置使用杠杆装置控制垫从钻头表面的伸出
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摘要
In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit and a force application device configured to extend and retract the pad, wherein the force application device includes a force action member that includes a lever action device configured to extend and retract the pad from the drill bit surface. In another aspect, a method of drilling a wellbore is provided that in one embodiment includes: conveying a drill string having a drill bit at an end thereof, wherein the drill bit includes a pad configured to extend and retract from a surface of the drill bit and a force application device that includes a lever action device configured to extend and retract the pad from the surface of the drill bit; and rotating the drill bit to drill the wellbore.
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