考虑渗透率时变的边底水低渗油藏高速开发剩余油分布模式研究

Journal of Chongqing University of Science and Technology(Natural Sciences Edition)(2022)

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Abstract
低渗透油藏剩余油挖潜及采收率提高成为新的研究热点.里37区延9油藏是低渗透油藏典型代表,经过长时间的高速水驱开发,油藏目前处于特高含水、低采出阶段.针对该油藏地质特点及主要开发矛盾,基于过水倍数与渗透率变化关系建立数学模型,综合运用油藏工程方法和油藏数值模拟技术,分析里37区延9油藏剩余油的成因机理及分布规律.
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