王小锋;朱维耀;邓庆军;隋新光;高英;

• 1:北京科技大学土木与环境工程学院

• 2:东北石油大学石油工程学院

• 3:大庆油田有限责任公司第一采油厂

摘要(Abstract)：

针对岩石的孔隙喉道尺寸微小,流体在孔喉内的流动规律极其复杂,在现有微尺度研究基础上,建立聚合物驱动态网络模型.该模型不同于准静态网络模型,不仅考虑黏滞力与毛管力的作用,同时还考虑岩石骨架与流体之间界面作用对流动规律的影响.模型通过模拟固液界面作用、孔喉特征参数对聚合物驱后剩余油分布的影响.结果表明:考虑固液界面作用时,含剩余油的孔隙所占比例越大,剩余油饱和度越大;孔喉比越大,含剩余油的孔隙所占比例越大,剩余油饱和度越大;配位数越大,含剩余油的孔隙所占比例越小,剩余油饱和度越小.

关键词(KeyWords)：固液界面;网络模型;聚合物;毛管力;剩余油

Abstract:

Keywords:

基金项目(Foundation):国家重点基金项目(50934003);; 教育部科技专项(FRF-MP-B 12006B)

作者(Author):王小锋;朱维耀;邓庆军;隋新光;高英;

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