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作 者:曾流芳[1] 赵国景[1] 吕爱民[2] 姚军[2]
出 处:《油气地质与采收率》2004年第2期45-47,共3页Petroleum Geology and Recovery Efficiency
摘 要:为了合理高效地开发油田,并为特高含水期油藏的压力调整提供理论依据,应用最小流压法对孤东油田七区西馆陶组上亚段63+4层特高含水期的地层压力下限值进行了测算,并应用图示法对该区目前的压力状况进行了分析。在此基础上提出了压力调整的建议,即该开发单元目前地层压力高于合理压力水平,应立足于降压开采。该研究结果的可靠性已得到了数值模拟的验证。<abstract> order to rationally develop the oilfield with high efficiency and to provide a theoretical support for the pressure adjustment of the oil reservoir in the extra high water cut period, the minimized flowing pressure method is used to estimate the minimum pressure of the 63+4 formation in upper Ng in the extra high water cut period of the west seventh region in Gudong oilfield. Graphic interpretation is used to analyze the present pressure condition of the region. On the basis of the a-bove, the proposal of pressure adjustment is put forward, that is, this development block should be produced by pressure reduction because its present formation pressure is higher than rational pressure level. The numerical simulation verifies the reliability of the above conclusion.
关 键 词:压力水平 含水期 油藏 最小流压法 地层压力 注水量 孔隙度 含油饱和度 渗透率
分 类 号:TE271[石油与天然气工程—油气井工程]
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