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
收藏
页码：327 / 336
页数：9
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