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剩余油是指一个油藏开采到目前为止还未开发出的可开采储量。随着油田进入开发晚期油田的剩余开采储量关于油田未来的发展,精确计算一个油田剩余油对油田井网调整、未来开发等有决定的作用。本文通过调研国内外文献总结油田剩余油计算方法:物质平衡法、注入水存水值、水驱特征曲线方法、含水率分析法、渗饱——水驱曲线法、无量纲注入——采出曲线法。分析各种剩余油计算方法的使用条件,优越点等,希望给以后的油田剩余油计算提供一些参考。
Remaining oil refers to a recoverable reserve that has not been developed so far in a reservoir. With the remaining reserves of oilfields entering the late stage of oilfield development, regarding the future development of the oilfields, accurately calculating the residual oilfield of one oilfield has a decisive effect on the adjustment of the wellsite layout and future development. This paper summarizes the calculation methods of remaining oil in oil field by investigating domestic and foreign literatures: material balance method, injection water storage value, water flooding characteristic curve method, water content analysis method, infiltration-flooding curve method, dimensionless injection- Curve method. Analysis of various residual oil calculation method conditions of use, superior point, hoping to provide some reference for the remaining oil calculation.