利用该理论解，能方便地进行有井阻和涂抹的砂井地基设计。
By this theory, design of sand drain foundation taking account of the effect...
斜井或定向井在压裂过程中，经常因出现砂堵导致施工失败。
Sand plug always occurred during fracturing in slant well or directional well.
斜井或定向井在压裂过程中，经常因出现砂堵导致施工失败。
Sand plug always occurred during fracturing in slant well or directional well.
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