针对大港港东油藏条件，对新型低张力泡沫驱油体系（芥酸酰胺丙基甜菜碱EAB40与十二烷基磺酸钠SLS的复配体系）的耐温性能、耐矿化度性能、抗二价离子性能进行了系统研究，结果表明，该低张力泡沫驱油体系的耐温性能达到80℃，耐矿化度性能达到60 000 mg/L，抗二价离子性能达到220 mg/L。岩心对比驱油实验表明，低张力泡沫驱油体系0.3% EAB40+0.2% SLS能够在水驱基础上提高采收率10.8%，明显优于单一表面活性剂驱（0.5%芥酸酰胺丙基羟磺基甜菜碱EHSB40）或单一泡沫驱（0.5%α-烯烃磺酸盐AOS）。

According to the oil reservoir conditions of eastern Dagang Oilfield,the temperature resistance,salinity resistance and divalent ion resistance of low-tension foam flooding system that consists of erucamide propylbetaine EAB40 and sodium dodecyl sulfonate SLS are systematically studied.The results show that this low-tension foam flooding system can bear a temperature of 80℃,a salinity of 60 000 mg·L^-1 and a divalent ions of 220 mg·L^-1.Core contrast flooding experiments indicate that 0.3% EAB40+0.2% SLS low-tension foam flooding system can improve recovery efficiency by 10.8% on the basis of water flooding system,which is significantly better than single surfactant flooding system (0.5% EHSB40) or single foam flooding system (0.5% AOS).