Water displacement curve is the most common method for water cut rule study, productive index prediction and recoverable reserve calibration. There are more than 50 methods of such a kind nowadays.

驱替特征曲线法是研究油田含水规律、预测开采指标和标定可采储量最常用的方法，目前已形成50多种。

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Water displacement curve is the most common method for water cut rule study, productive index prediction and recoverable reserve calibration. There are more than 50 methods of such a kind nowadays.

驱替特征曲线法是研究油田含水规律、预测开采指标和标定可采储量最常用的方法，目前已形成50多种。

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