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Horizontal wet drilling tool uses vibration device for periodic impact of drill rod or drill head in longitudinal direction during horizontal displacement
Horizontal wet drilling tool uses vibration device for periodic impact of drill rod or drill head in longitudinal direction during horizontal displacement
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机译:水平湿式钻井工具利用振动装置在水平位移期间沿纵向方向周期性地冲击钻杆或钻头
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摘要
The wet drilling tool has a rotary drill rod (34) provided with a drill head having exit openings for a drilling suspension, with controlled displacement of the drill head. A spring-mounted vibration device (28) acts on the drill rod and/or the drill head, for periodic impact of the drill rod and/or the drill head in the longitudinal direction of the drill rod during the horizontal displacement.. An Independent claim for a horizontal drilling method is also included.
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