Also, the important polymer flooding mechanism "oil block" is illustrated in the results of calculation.

同时，计算结果直观反映了聚合物驱重要的“油墙”形成机理。

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So it's necessary to deep research water invasion mechanism and early prediction method; water influx calculation and water flooding gas reservoir reserve calculation.

所以有必要深入研究气藏水侵机理及水侵识别早期预测方法、水侵量及水驱气藏储量计算方法。

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Based on the practical experience in the projects of tailing reservoirs and hydropower engineering, the calculation methods for protecting tailing DAMS against flooding are studied.

立足于尾矿库工程和水利水电工程的实践经验，研究了尾矿坝防洪安全的计算方法。

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