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岩石学特征是判断油气储层性质的重要标志,也是进行有利储层划分的重要基础。通过乌5断块内乌5、乌北2-3以及邻近井区的乌12、乌14和乌15等5口取心井的岩心薄片镜下鉴定并结合岩心观察资料和各种统计资料,对乌南油田研究区岩石学特征进行总结。对乌南油田N21层位储层的岩石学特征进行分析,为该地区今后的地质研究和油气开发提供地质理论支持。
Petrology is an important indicator to judge the nature of oil and gas reservoirs and also an important foundation for favorable reservoir division. According to the core observation data and all kinds of statistical data, the core samples of 5 wells of Wu 5 block, Wuwu 5, Wubei 2-3 and Wu12, Wu14 and Wu15, The petrological characteristics of Wunan oilfield are summarized. The petrological characteristics of N21 reservoir in Wunan Oilfield are analyzed to provide the geological theory support for future geological research and oil and gas exploration in this area.