By marking practical production data on the curve chart plotted by the empirical equations, we can precisely evaluate the utilization factor of water injection and waterflooding response.

• 将实际生产数据标注到利用这些经验公式绘制出的理论曲线图版上，即可对注水油田（或区块）的注水利用率和水驱开发效果进行准确评价。