Moreover, the viscosity of water didn't increase due to the addition of MD-1, and no changes of its oil-water current ratio was observed.

MD 1膜驱剂的加入不增加驱替流体的粘度，不改变油水流度比，膜驱油机理与聚合物驱不同。

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Experimental results show that the systematic controlled precision for the ratio of water could reach 1% or better, and the heavy oil consumption could reduce 7.8% in average.

实验结果表明，该系统对掺水率的控制精度可达1%以上，燃油消耗率平均降低7.8%。

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Experimental results show that the systematic controlled precision for the ratio of water could reach 1% or better, and the heavy oil consumption could reduce 7.8% in average.

实验结果表明，该系统对掺水率的控制精度可达1%以上，燃油消耗率平均降低7.8%。

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