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中文摘要：
随着三次采油技术的不断发展,复合体系的表面活性性能和含量是在提高采收率技术研究中日趋重要。本文针对新型两性表面活性剂一元及聚合物/表面活性剂二元体系同油的界面特性展开了研究。结果表明：一元体系中表面活性剂质量浓度越高,界面张力达到稳定所需时间越短;随着体系中表面活性剂质量浓度的增加,稳定界面张力值越低。聚合物对两性表面活性剂同模拟油之间的界面张力有影响,且有利于体系同模拟油间的界面张力的降低;但界面张力并不是随着聚合物质量浓度的增加一直单纯降低,当质量浓度为1.0g/L时界面张力最低。
英文摘要：
With the improving of the oil production technology, composite system flooding gradually becomes oil displacement of oilfield development main ways,the performance and content of surfactant in composite system is an important factor to improving oil recovery.In this paper,the research is carry on aiming at amphoteric surfactant unary system and polymer/surfactant binary system with oil interface characteristics.The results： surfactant content of unary surfactant system is higher,the time that interfacial tension reach 10-3 magnitude is shorter and the interfacial tension lower.The polymer is influence the interfacial tension and can low the interfacial tension between surfactant and oil.when the concentration of polymer 1.0g/L,binary system can attain the lowest interfacial tension.
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