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ma ling you tian yan 10 you ceng zu shui yan ceng shui qu shen liu te zheng shi yan yan jiu
Author(s): 
Pages: 107-110
Year: Issue:  2
Journal: Petroleum Geology and Engineering

Keyword:  水驱油实验渗流特征孔隙结构马岭油田;
Abstract: 应用真实砂岩微观模型对马岭油田延10低渗透储层进行微观水驱油渗流实验,并结合常规物性、铸体薄片、扫描电镜、毛管压力等多项测试方法,对不同含水率水淹层的岩石学、孔隙发育、渗流特征综合对比分析.结果表明,该区以溶孔-粒间孔、粒间孔、微孔三种孔隙类型做为主要的渗流通道,不同的孔隙渗流通道类型具有不同的渗流特征;高水淹层溶蚀孔发育,物性是其驱油效率主要影响因素;中水淹层以粒间孔为主,孔隙结构非均质性导致其水驱过程中出现优势渗流通道;低水淹层以残余孔、晶间孔为主,孔隙结构非均质性、润湿性对其渗流特征起着重要的作用.
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