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Dynamic filtration experimental research of acid in fractured limestone
Author(s): 
Pages: 19-22
Year: Issue:  3
Journal: Petrochemical Industry Application

Keyword:  裂缝性灰岩酸液动滤失导流能力滤失速率酸岩反应速率;
Abstract: 碳酸盐岩储层天然裂缝比较发育,有天然裂缝存在时,酸液沿天然裂缝流动,进入到油藏深处,同时通过扩散和对流的方式运动到裂缝表面与岩石反应,增加裂缝宽度,反过来增加滤失到天然裂缝里的酸量.因此,为了获得更好的裂缝性碳酸盐岩储层的酸压效果,必须分析酸液滤失的各影响因素.本文建立了一套完整的滤失实验装置及实验方法,通过室内实验,得出了裂缝导流能力、酸液滤失速率和酸岩反应速率直接的关系,对研究酸液在裂缝中的滤失过程具有重要的指导意义.
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