The homogeneity of the pore structures has rather effects on oil recovery efficiency.

同时，详细分析了不同孔隙结构的驱油机理以及对驱油效率的影响。

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The effect of profile control time on oil recovery efficiency is studied by tubular and planar models.

采用长管模型驱油试验和平板模型驱油试验研究了调剖时机对原油采收率的影响。

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On the basis of seepage flow mechanics, the impact of displacement rate on enhance oil recovery efficiency in different types of reservoir was investigated.

从渗流力学的基本规律出发，对几种不同类型储层驱替速度对提高油气采收率的影响进行了理论探讨。

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