... 水界面张力 oilwater interfacial tension 界面张力增加 Interfacial Tension Increase 界面张力梯度 interfacial tension gradient ...
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Reduction of interfacial tension can increase capillary number, accordingly, reduce saturation of irreducible oil, enhance ability of oil recovery.
界面张力的降低可提高毛管数，从而使残余油饱和度下降，提高原油采收能力。
For higher recovery, not only to minimize interfacial tension between displacement system and the crude oil, but also to appropriately increase the viscosity of oil displacement system.
欲获得较高的采收率，不仅要尽量降低驱油体系与原油间的界面张力，而且要适当增加驱油体系的黏度。
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