A Study of Relationship Between Oil-Water Interfacial Dilational Rheology and Oil Recovery of Alkaline Flooding

被引：3
|
作者：
Wang, Yang [1 ]
Ge, Jijiang [1 ]
Zheng, Yufei [2 ]
Jiang, Ping [1 ]
Zhang, Guicai [1 ]
机构：
[1] China Univ Petr East China, Langfang, Peoples R China
[2] China Oilfield Serv Ltd, Langfang, Peoples R China
来源：
TENSIDE SURFACTANTS DETERGENTS | 2015年 / 52卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Interfacial dilational rheology; oil recovery; alkaline flooding; microscopic displacement;
D O I：
10.3139/113.110378
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In order to find out the influence of dilational rheology on chemical flooding systems, the dilational rheology of Zhuangxi crude oil/NaOH solutions interface was investigated by DSA100 interfacial dilatational rheometer (KRUSS, Germany). The results show that the alkaline system, which can enhance oil recovery, mainly depends on its interfacial dilational rheology, rather than interfacial tension. The greater the interfacial dilational elasticity, the higher the oil recovery is. The greater the interfacial dilational viscosity, the lower the oil recovery is. The conclusion is consistent with the change of displacement pressure in the macro displacement experiment and the change of sweep efficiency in the microscopic displacement experiment.
引用
收藏
页码：294 / 300
页数：7
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