Solutions of Long-Chain Alcohols and Surfactants for Enhanced Oil Recovery in High-Temperature Low-Permeability Reservoirs

被引：0
|
作者：
Yue-Yang Li
Jin-Zhou Zhao
Wan-Fen Pu
Tian-Hong Zhao
机构：
[1] State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,
[2] Southwest Petroleum University,undefined
来源：
Chemistry and Technology of Fuels and Oils | 2014年 / 50卷
关键词：
Surfactant; long-chain alcohol; chemical flooding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have studied the effectiveness of solutions for oil displacement that contain long-chain alcohols. We have experimentally established that mixtures of long-chain alcohols with olefin sulfonates significantly reduces the interfacial tension between light crude oil and aqueous surfactant solution. A flooding system containing long-chain alcohols changes the wettability of rock from oleophilic to neutral. Core flooding experiments showed that the proposed flooding system effectively displaces residual oil and reduces injection pressure.
引用
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页码：327 / 336
页数：9
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