The Influence of the Combination of Polymer and Polymer-Surfactant Flooding on Recovery

被引：11
|
作者：
Jiang, H. [1 ,2 ]
Yu, Q. [1 ,2 ]
Yi, Z. [3 ]
机构：
[1] China Univ Petr, MOE Key Lab Petr Engn, Beijing, Peoples R China
[2] China Univ Petr, Coll Petr Engn, Beijing, Peoples R China
[3] Shengli Oil Prod Res Inst, Dong Ying, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2011年 / 29卷 / 05期
关键词：
combination flooding; displacement efficiency; oil recovery; polymer flooding; slugs combination; sweep efficiency;
D O I：
10.1080/10916466.2010.529551
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Polymer-surfactant flooding is able to enhance oil recovery greatly because it can improve sweep efficiency and displacement efficiency. However, the surfactant is so expensive that it is impractical for widespread use. After experiments were carried out to evaluate the polymer and the surfactant used, in this article we suggest that combined polymer flooding slug and polymer-surfactant flooding slug should be good for high recovery and low cost. Many physical simulation experiments were conducted to determine the optimal proportion of slug combination. Mechanisms of slug combination are discussed in this article.
引用
收藏
页码：514 / 521
页数：8
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