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套管钻井
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套管钻井
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套管钻井
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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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asymptotic formula
asymptotic fraction
asymptotic free
asymptotic freedom
asymptotic freeness
asymptotic generalized gradient
asymptotic giant branch
asymptotic hematuria or proteinuria
asymptotic inclusion
asymptotic inequality
asymptotic invariant
asymptotic limit
asymptotic line
asymptotic martingale
asymptotic mean value
asymptotic median unbiasedness
asymptotic method
asymptotic minimal basis
asymptotic minimax estimator
asymptotic model
asymptotic negligibility
asymptotic net
asymptotic normal distribution
asymptotic normal estimate
asymptotic normality
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