期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：189
期号：3
页码：032072
DOI：10.1088/1755-1315/189/3/032072
语种：English
出版社：IOP Publishing
摘要：Aimed at the characteristics of high porosity and high permeability reservoir, used the indoor physical simulation method, the experiment of polymer flooding with different polymer concentration and slug size were carried out after water flooding. The effects of polymer concentration and slug size on oil displacement were analysed. The results showed that the optimum polymer concentration was 2200ppm and the optimum polymer slug size was 0.9PV. And polymer concentration and slug size are the decisive factors influencing polymer flooding effect. Under the condition of a certain amount of injection, the higher the polymer concentration, the higher the viscosity of the polymer solution, the greater the reduction range of water content, and the higher the recovery rate of polymer flooding. Under the condition of a certain polymer concentration, the larger the size of the polymer solution slug, the greater the reduction of water content, and the higher the recovery rate of polymer slug flooding.
Loading...
