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Origin and Interpretation of Low Resistivity Oil Reservoir in Huatugou Oilfield
Author(s): 
Pages: 139-143
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  测井解释低电阻率油层相对渗透率花土沟油田;
Abstract: 柴达木盆地花土沟油田同时存在高电阻率油层与低电阻率油层,使油层的识别难度增大.分析研究了低电阻率油层形成机理,认为储层岩性细、微孔发育、束缚水饱和度高以及高矿化度地层水是油层低电阻率的主要成因,提出了电阻率影响相对较小的相对渗透率解释方法并建立了相应的解释标准,辅以电阻率和三孔隙度曲线分析,能够很好地解决该区低电阻率油层识别的问题,解释符合率可达到95%以上.给出了2个应用实例.
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