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煤层分支水平井
释义
煤层分支水平井
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工学
煤层气钻井
释
multi-lateral horizontal well of coalbed methane
煤层分支水平井
在一个或多个主水平井眼两侧侧钻多个分支井眼,或在分支井眼再侧钻若干脉支井眼作为泄气通道,同时在距水平井井口一定距离处再钻一口直井与水平井在煤层连通,水平井作为工程井,直井作为排水降压采气井,也有不采用直井而将水平井作为排水采气井的情况,是适应煤层气开发的一种分支井形式。
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elliptic geometry
elliptic group
elliptic group modulo p
elliptic harmonic space
elliptic helicoid
elliptic homology
elliptic-hyperbolic
elliptic hyperbolism
elliptic hyperboloid
elliptic hypergeometric series
elliptic image
ellipticine
elliptic integral
elliptic integral of the first kind
elliptic integral of the second kind
elliptic integral of the third kind
elliptic integral singular value
elliptic invariant
elliptic inverse point
elliptic inversion
elliptic involution
elliptic irrational function
elliptic isometric transformation
ellipticity
ellipticity condition
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