This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
本发明涉及一种表面活性剂组合物及其在三次采油中的生产和使用。本表面活性剂组合物由
阳离子表面活性剂和阴离子-非离子表面活性剂组成,与现有技术相比,其界面活性和稳定性显著提高。与现有技术相比,使用本表面活性剂组合物可以生产出一种用于三次采油的淹没液组合物,其石油置换效率和洗油能力均有所提高。