The result shows that the rock wettability changes after ASP flooding with a trend to water wettability. The transforming magnitude relates to the chemical concentration in the ASP system.
结果表明，三元复合驱后，岩石润湿性发生变化，总的趋势是岩石润湿性向亲水方向转化，其转化幅度与三元复合体系中化学剂浓度有关。
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。
According to the result of XPS, the nanometer polysilicon and the surfactant can adsorb on the rock surface, change its wettability, and enhance the water relative permeability.
岩芯的X射线光电子能谱分析显示，纳米聚硅和表面活性剂能吸附在岩石表面上，改变岩石表面的润湿性，提高水相相对渗透率。
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