Invention Grant
US07641000B2 System for directional boring including a drilling head with overrunning clutch and method of boring 失效
用于定向钻孔的系统,包括具有超越离合器的钻头和钻孔方法

System for directional boring including a drilling head with overrunning clutch and method of boring
Abstract:
A drilling system including a drill head configured to couple to a drill string. The drill head including an offset adapter, a one-way clutch, and a drill bit. The drill head being configured to provide straight drilling along a first axis, and deviated drilling along a second axis. The drilling system further including a gearbox configured to provide selective rotational operation corresponding to the straight drilling and the deviated drilling. The drilling system also including control systems to control the selected rotational operation of the gearbox.
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