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针对双河油田储集层的严重非均质性，采用定性定量相结合的方法，提出了双河油田开发后期流动单元划分的４个步骤，并对北块Ⅱ４～５层进行了流动单元划分研究，共划分出４种类型。研究表明，不同类型的流动单元其渗流能力和储集能力差异较大，在生产中表现出不同的动态特征，因此，开发后期以流动单元为基础进行动态分析和潜力研究将更加可靠。
According to the serious heterogeneity of reservoir in Shuanghe Oilfield, four steps of flow unit division in the late stage of development of Shuanghe Oilfield are put forward by means of qualitative and quantitative analysis, and the flow cell division is carried out in layers 2-4 of North Block. Study, a total of four types of classification. The results show that different types of flow cells have different seepage and storage capacities and show different dynamic characteristics in production. Therefore, it is more reliable to conduct dynamic analysis and potential studies based on flow cells in the late stage of development.