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套管钻井
释义
套管钻井
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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。
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observation likelihoods
observation measurements
observation method
observation network at seabed
observation of agrometeorological disasters
observation of crop developmental stages
observation of crop growth
observation of developmental stages of grass
observation of developmental stages of trees
observation of ground pressure
observation of livestock growth and development
observation of navigation obstruction
observation of reservoir sediment
observation of seismic response of structures
observation of slope stability
observation of surrounding rock structure
observation platform
observation point control
observation process
observation route control
observation scheme
observation technology of gravity tide
observation technology of strain tide
observation, thinking and experiments
observation vector
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