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Drilling
containing
法定
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声定位法
sound operation navigation and range
大钩
定位法兰的定位销子
positioner collar pin
大钩
定位法兰螺母与法兰总成
positioner nut & collar assembly
定向井剖面接近法
directional well profile approximation
定向方法
orientation method
无线电方位测定法
radio-direction-finder method
大钩
法兰盘定位锁销
collar pin lock plug
电导测定法
conductimetry
直接定位法
direct location technologies
稳定转速改变钻压钻井法
constant rotary speed variable weight
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