缝洞型油藏分区变重介质模拟方法

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英文篇名：Simulation method of variable multiple medium for different region for Naturally Fractured Vuggy Reservoir 作者：张冬丽 ; 张允 ; 崔书岳 英文作者：ZHANG Dong-li;ZHANG Yun;CUI Shu-yue;SINOPEC Exploration & Production Research Institute; 关键词：缝洞型油藏 ; 数值模拟 ; 变重介质 英文关键词：Fractured Vuggy reservoir;;Numerical simulation;;variable multiple medium 中文刊名：水动力学研究与进展(A辑) 英文刊名：Chinese Journal of Hydrodynamics 机构：中国石化石油勘探开发研究院; 出版日期：2019-09-30 出版单位：水动力学研究与进展(A辑) 年：2019 期：05 基金：国家科技重大专项示范工程“塔里木盆地碳酸盐岩油气田提高采收率”(2016ZX05053-003);国家科技重大专项课题“缝洞型油藏改善水驱提高采收率技术”(2016ZX05014-003)~~ 语种：中文; 页：128-135 页数：8 CN：31-1399/TK ISSN：1000-4874 分类号：TE319

摘要

该文提供了一种缝洞型油藏分区域变重介质等效的数值模拟方法。针对不同类型储集体分类建模的结果,对各类型储集体地质模型进行孔渗属性的融合,融合时分区域地选择介质等效的重数。该文研究的方法既利用了地质建模的结果,又完成了分区域变重介质等效,可实现油藏尺度的准确模拟;根据区域的实际情况选择适当的介质等效重数,很好地解决了非均质模拟区域利用统一介质重数所带来的渗透率级差大而导致的无法收敛的问题。
        A numerical simulation method of variable multiple medium for fractured vuggy reservoirs is proposed. The geological model of the different types of reservoir built separately, the pore and permeability properties are combined according to these model. Meanwhile the equivalent multiplicity of the medium is selected appropriately. The method studied by present paper not only makes use of the results of geological modeling, but also completes the regional equivalent of variable multiple medium, which can realize the more accurate simulation of reservoir scale. According to the actual situation of the region, the appropriate equivalent multiplicity of the medium is selected, which can solve the problem of non-convergence caused by the large permeability difference due to using the uniform multiplicity of the medium in the heterogeneous simulation region.

引文

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