文章摘要信息 关键词 ： 应力敏感；煤层；裂缝延伸；渗透率；滤失系数 [gap=1746]Keywords : stress sensitivity；coal-bed；fracture propagation；permeability；leakoff
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... fracture extension pressure 裂缝延伸压力 fracture extension 裂缝延伸 fracture face 裂缝面 ...
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The models and computation procedures for determining fracture propagation path were provided,and the software for simulation of fracture propagation was developed.
提出了定向射孔水力压裂裂缝的延伸轨迹计算模型和步骤,编制了裂缝延伸的模拟软件。
参考来源 - 新井定向射孔转向压裂裂缝起裂与延伸机理研究The sand levee has formed during the first fracturing process,considering the effects of sand levee height change with time and on the fluid flow and proppant sedimentation,the fracture extension model of secondary sanding fracturing is established.
在考虑二次加砂前,一次加砂已经在缝中沉降并形成一定高度的砂堤,砂堤高度随时间不断变化对缝中流体流动及后续支撑剂沉降产生影响,在此基础上建立了适用于二次加砂压裂的裂缝延伸模型。
参考来源 - 二次加砂压裂裂缝延伸模型研究·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了利用人为因素控制裂缝延伸的方法。
数值模拟是高能气体压裂径向多裂缝延伸机理研究的重要内容。
Numerical Simulation of the multiple radial fracture propagation during the high energy gas fracturing is significant in the study of mechanism.
实践及理论分析表明，现行方法可能导致铸件出现裂缝延伸现象。
Practice and theoretical analysis show that this way cause the flaw extended.
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