Keywords Heavy Alkylbenzene Sulfonate, Alkyl Polyoxyethylene Ether, Enhanced Oil Recovery, Microemulsion, Ultra-low Interfacial Tension, Solubilization, Surfactant Mixture;

• 重烷基苯磺酸盐;脂肪醇聚氧乙烯醚;提高石油采收率;微乳液;超低界面张力;增溶;混合表面活性剂;