Surfactant can lower interfacial tension between oil and water and alter rocky wettability, so it will be used extensively.

表面活性剂能降低油水界面张力，改变岩石的润湿性，所以在三次采油中有着广阔的发展前途。

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Wettability not only influences sweep efficiency, but also influences remaining oil distribution.

润湿性不仅影响驱油效率，也影响剩余油分布形态。

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Reservoir wettability is an important parameter for evaluating recoverable reserves and controlling fluid flow of a oil reservoir.

油藏润湿性是评估油藏可采储量，控制油藏流体流动行为的一个重要参数。

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