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煤层中双重孔隙介质渗流理论的应用

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摘要 具有裂缝和孔隙两种类型孔隙的多孔介质称为双重孔隙介质。该类介质中裂缝主要作为流体的流动通道,孔隙主要作为流体的储集空间,裂缝和基质的渗透率差异较大。根据双重孔隙介质的概念,煤层具有大量微孔以及连接微孔的节理和裂隙,且孔隙的渗透率一般远小于裂隙的渗透率。因此,多数煤层可以看作双重孔隙介质。
出处 《科技导报》 CAS CSCD 北大核心 2012年第24期8-8,共1页 Science & Technology Review
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