复合油藏流动系数场分布规律研究

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目前研究流动系数场非均质性主要是试井分析,但获取的地层参数只是波及范围内的一个平均值,无法提供储层的流动系数场非均质性精确分布状况.通过对径向复合及多层复合油藏进行分析,得出压力响应动态特征与油藏流动系数场分布规律之间的内在联系,压力导数曲线形态的异常上翘和下掉能够反映流动系数场的分布,说明利用压力测试数据分析地层流动系数的变化规律是可行的,最终利用单井压力测试资料识别井筒附近油藏流动系数场分布规律.在渤海油田BH 1-9井实施注聚合物开发后,油藏流动场分布规律需要重新认识,利用该研究方法可以直观得出准确的聚合物推进后的反演成果,说明此反演预测方法对油田合理高效开发具有指导意义.
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