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在水驱特征曲线的基础上,本文利用采油速度、采液速度、采出程度、水驱特征曲线方程间相互关系,通过必要的数学运算求得它们间相互关系的通用方程。将油田实际生产数据代入通用方程中,计算出一系列数据并在普通坐标上绘制成曲线族,配合必要的理论曲线,构成预测水驱油田开发指标的诺模图。
Based on the waterflooding characteristic curve, this paper makes use of the correlation between oil recovery rate, production rate, recovery rate and waterflooding characteristic curve equation, and gets the general equation of their mutual relations through necessary mathematical operation. The actual production data of the oil field is substituted into the general equation, a series of data is calculated and drawn into a family of curves on the ordinary coordinates, with the necessary theoretical curves to form a nomogram for predicting the development index of a water-driven oil field.