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以岩石薄片、铸体薄片、毛管压力曲线等分析资料为基础，结合储层物性测井参数解释结果，对哈南油田阿尔善组储层从岩性组成、物性特征、孔隙类型及孔隙结构、非均质性等方面进行了综合评价，认为该储层为一套中低孔、中低渗储层，其物性主要受沉积微相、成岩后生作用和构造应力等因素影响，其层内、层间和平面非均质性均较强。最后综合储层的岩性、物性、成岩后生作用和孔隙结构等特征，对哈南油田阿尔善组储层进行了分类，将其划分为四大类。
Based on the analysis data of rock slice, casting thin slice and capillary pressure curve, combined with interpretation results of reservoir physical well logging parameters, the lithology, physical property, pore type and pore structure of Aershan Formation in Hannan Oilfield are analyzed. Heterogeneity and other aspects of a comprehensive evaluation, that the reservoir is a set of low-porosity, low permeability reservoir, its physical properties are mainly affected by sedimentary microfacies, diagenesis and tectonic stress and other factors, the layer, Interlayer and plane heterogeneities are strong. Finally, the lithology, physical properties, diagenesis and pore structure of the integrated reservoir are used to classify the Aershan Formation in the Hannan Oilfield and divide them into four categories.