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存水率和水驱指数是评价注水开发油田注水状况及注水效果的两个重要指标 ,本文通过绘制存水率与含水率、水驱指数与含水率理论曲线 ,并与濮城西区沙二上 4- 7实际值加以对比分析 ,从而对濮城西区沙二上 4- 7油藏注水状况及注水效果进行了综合评价
Water-saving index and water-flooding index are two important indexes to evaluate waterflooding status and waterflooding effect of oilfields. By drawing theoretical curves of waterflooding rate and water cutoff, waterflooding index and water cutoff, 4-7 actual value is compared and analyzed, so as to make a comprehensive appraisal on water injection status and water injection effect of 4-7 reservoir in Sha 2, Pucheng West