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.

• 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。