“casing drilling”的概念、定义、翻译、参考文献-科学参考

单词	casing drilling
释义	casing drilling Encyclopedia 工学套管钻井释 casing drilling套管钻井用套管代替传统钻杆作为钻柱，将顶驱或转盘上的机械动力和泥浆泵的液压动力传递到钻头，套管柱在钻进的同时起到封隔井眼和地层作用的技术。
随便看	marineecologically sensitive area marine ecological protection law marine ecological radar marine ecological risk of human activities marine ecological risk ofinshore cultivation marine ecological risk of overfishing marine ecological security marine ecological stoichiometry marine ecological survey marine ecology marine economic circle Marine Economic Geography of China Marine Economics and Sustainable Development Research Center marine economy marine ecosystem marine ecosystem dominant species marine ecosystem experiment station marine ecosystem keystone species marine ecosystem model marine ecosystem monitoring and regulation region marine ecosystem regime shift marine EEDs marine electrical equipment marine electric apparatus marine electrode

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