...井壁稳定；弱面；坍塌压力[gap=1888]Key words: shale gas; horizontal well; stratification; wellbore stability; weak plane; collapse pressure...
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... 不整合面 plane of unconformity 弱面 plane of weakness 平面探针 plane probe ...
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...；弱面 关键词 [gap=1872]Keywords： coalbed methane； wellbore stability； horizontal well； rock mechanic； ： weak face ...
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软弱夹层是控制岩体稳定性的主要弱面。
Weak intercalation is the main weak surface which controls the rock stability.
用有限元模拟了单一弱面斜坡强震作用下的拉张破裂过程。
The finite element method is used to simulate tensile fracture process of slope with single weak plane under strong earthquake.
岩石弱面的存在使得井壁在弱面方向先于岩石本体破坏，使破碎易于掉块。
The existence of the weaken surface made the rocks damaged before the rock mass, it will be broken easily.
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