复配表面活性剂对三元复合体系界面张力影响研究

The Research of Interfacial Tension of ASP in the Surfactant Combined System

关键词:  复配体系  界面张力  三元复合驱  磺酸盐

Key words:  combined systems, interfacial tension, alkali/surfactant/polymer, sulfonate

摘要:

研究了石油羧酸盐与不同磺酸盐的复配体系的界面活性，测定了复配表面活性剂在大庆油砂上的吸附量。结果 表明，复配体系的界面活性优于单一的磺酸盐体系。将少量磺酸盐与石油羧酸盐复配，可使体系达到超低界面张力，碱度范围拓宽，初始界面张力变低。复配表面活性荆吸附过程中羧酸盐起到了牺牲剂作用，降低了磺酸盐的吸附损失，复配体系的这些特点对提高驱油效率很有利。

Abstract:

The interfacial activities of alkyl sulfonate and its combined systems with petroleum carboxylate have been studied and mensurate the adsorption of compound surfactant on oil sand in Daqing oil field . The results show that the interfacial activities of c