石油钻采工艺2011，Vol.33Issue(1)：76-79,4.
水溶性聚合物在多孔介质中动态滞留量研究
Research on dynamic hold-up of water-soluble polymer in porous medium
李宜强 1曲成永1
作者信息
- 1. 大庆石油学院提高油气采收率教育部重点实验室,黑龙江,大庆,163318
- 折叠
摘要
Abstract
During the oil extraction process, liquid hold-up is one of the key factors in influencing the effect of polymer flooding.Directing at the application conditions limitation of water- soluble polymer on site, the dynamical hold up law of polyacrylamide solution in artificial core was conducted with starch-cadmium iodide colorimetry in this paper, and the effect of kaolin clay, surfactant on liquid hold up was inspected. The results show that the retention volume of polymer was decreased when surfactant have been contained in the solution, on the other hand, the exist of kaolin clay in solution raised retention volume of polymer in the core, and the hold- up volume was increased with the increasing of kaolin content. When both the surfactant and polymer were included in solution, these two would react to each other which resulted in competitive adsorption in rock surface and reduced their effective content. So, in order to enhance the flooding efficiency, the concentration of surfactant and polymer should adjust based on the contribution of the two to EOR and their differences of adsorption and liquid hold up.关键词
滞留量/高岭土/聚丙烯酞胺/表面活性剂/多孔介质分类
能源科技引用本文复制引用
李宜强,曲成永..水溶性聚合物在多孔介质中动态滞留量研究[J].石油钻采工艺,2011,33(1):76-79,4.
