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复合驱动钻井
释义
复合驱动钻井
Encyclopedia
工学
钻井方法
释
compound drive drilling
复合驱动钻井
钻头的驱动由地面驱动(转盘驱动或顶部驱动)和地下驱动(一般为井下螺杆钻具或涡轮钻具)两部分组成,钻头的转速是两部分驱动转速合成的钻井方法。
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Whitehead problem
Whitehead product
Whitehead theorem
Whitehead theory of gravitation
Whitehead torsion
White Highland
white hole
white hollow-out jade with a gyrfalcon design
White Horse
Whitehorse
White Horse Temple
White House Conferences on aging
White Jade Belt Hook of the Wei and Jin Dynasties
white knifebelly carps
White Knight
white knopped filament
white lead
white light
white light continuum
white-light corona
white-light coronameter
white-light coronometer
white light emitting diode
white light emitting diode communication
white light event
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