Characterization of pH-sensitive Polymer Microgel Transport in Porous Media for Improving Oil Recovery

被引：11
|
作者：
Al-Wahaibi, Y. M. [1 ]
Al-Wahaibi, T. K. [1 ]
Abdelgoad, M. A. [1 ]
机构：
[1] Sultan Qaboos Univ, Coll Engn, Petr & Chem Engn Dept, Al Khoud 123, Oman
来源：
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2011年 / 33卷 / 11期
关键词：
fractures; improving oil recovery; microgel; pH trigger; plugging; poly(acrylic acid);
D O I：
10.1080/15567030903493286
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：
We found that the sizes of poly(acrylic acid) microgels in solution were high enough to be retained by rock matrix. To overcome this problem, we varied the mixing period and mixing rate with and without heat, added NaOH followed by HCl, injected the polymer at the transient state, and added a chemical agent, but without any success. However, the microgel particles were not propagating through the cores and they plugged just the front face of the core. Thus, this kind of polymer can successfully improve oil recovery infractured systems only, which we proved experimentally to be significant.
引用
收藏
页码：1048 / 1057
页数：10
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