西南石油大学学报(自然科学版) ›› 2003, Vol. 25 ›› Issue (6): 43-45.DOI: 10.3863/j.issn.1000-2634.2003.06.12
• 油气化学工程与化工 • 上一篇 下一篇
姚同玉 刘福海 刘卫东
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YAO Tong-yu LIU Fu-hai LIU Wei-dong
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摘要：
研究了季铵盐型表面活性剂的驱油机理:表面张力和界面张力、表面润湿性、表面电性。认为在用季铵盐型表面活性剂驱油时,存在低界面张力机理,润湿反转机理和表面电性反转机理。在驱油剂浓度达到600 mg•L-1时,采收率可提高5%~6%。可以推测,具有吸附性的阳离子表面活性剂都可有这几种驱油机理,并具有一定的驱油潜力。
关键词: 季铵盐, 表面活性剂, 低界面张力, 润湿反转, 表面电性反转
Abstract:
Oil displacement mechanism of quaternary cationics has been studied in several ways: surface and interface tension, wettability, surface electrical behavior. It’s thought that there has been low interface tension mechanism, wetting conversion mechanism and surface electrical conversion mechanism while displaced by the surfactants. When the concentration of the surfactants is as high as 600 mg•L-1, the oil recovery increment of 5%-6% is available. It is expectable that cationic surfactants with adsorbance property probably have such mechanisms in oil displacement, and have some potentiality.
Key words: quaternary cationics, low interfacial tension, wetting conversion, surface electrical conversion
中图分类号:
TE39
TE357.46
姚同玉 刘福海 刘卫东. 季铵盐型表面活性剂的驱油机理研究[J]. 西南石油大学学报(自然科学版), 2003, 25(6): 43-45.
YAO Tong-yu LIU Fu-hai LIU Wei-dong. STUDY ON OIL DISPLACEMENT MECHANISMS OF QUATERNARY CATIONICS[J]. 西南石油大学学报(自然科学版), 2003, 25(6): 43-45.
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