The dynamic interfacial tensions (DIT) between crude oil, offered from Shengli and Daqing Oilfields, and series of AMNS surfactants, including hexyl, octyl, decyl, dodecyl, tetradecyl methylnaphthalene sulfonates, flooding systems have been measured.

• 本文测定了己基、辛基、癸基、十二烷基和十四烷基甲基萘磺酸盐表面活性剂驱油体系与胜利油田和大庆四厂原油间的动态界面张力。