赵国柱;金仁高;李圣涛;陈亮;李兴文;解辽博;

• 1:辽河油田分公司辽兴油气开发公司

• 2:中国石油集团测井有限公司生产测井中心

• 3:长庆油田分公司油田开发处

• 4:中国石油集团测井有限公司长庆事业部

摘要(Abstract)：

针对传统表面活性剂在高温高盐油藏中适应性差的问题,研制一种耐温耐盐的甜菜碱型表面活性剂TCJ-5.利用表面张力仪和界面张力仪研究TCJ-5的界面特性、稳定性、吸附性,借助岩心流动实验评价它在高温高盐油藏中的驱油效率.结果表明:甜菜碱型表面活性剂TCJ-5溶液具有很高的表面活性,在质量分数为0.03%~0.05%的范围内油水之间的界面性能良好,在30~90℃的温度范围内,油水之间的界面张力能达到10-3 mN/m数量级的超低界面张力;在模拟油藏条件下,体系的耐盐能力能达到10×104 mg/L,在油藏温度90℃下100d内稳定性良好;在高温高盐油藏条件下,表面活性剂体系可在水驱基础上提高采收率幅度平均达21.37%.该驱油体系在高温高盐油藏中增油控水效果明显,具有广泛的应用前景.

关键词(KeyWords)：甜菜碱;高温高盐油藏;界面特性;吸附性;稳定性

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41272169)

作者(Author):赵国柱;金仁高;李圣涛;陈亮;李兴文;解辽博;

Email:

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