大庆石油地质与开发2012，Vol.31Issue(4)：130-134,5.DOI:10.3969/J.ISSN.1000-3754.2012.04.027
聚合物驱相对渗透率曲线测定方法
DETECTING METHOD FOR THE RELATIVE PERMEABILITY CURVE OF POLYMER FLOODING
摘要
Abstract
Based on non-Newton seepage theory, the oil-flooding equations of displacement shunt and front motion for non-Newtonian fluid system of the polymer solution are derived and set up, the rheological property of the system , reservoir physical properties and the influences of the flooded speed and unswept volume on polymer flooding flow characteristics are considered, and moreover a new calculating model for the relative permeability of the polymer flooding is obtained. Through the improvement of the experimental process and method, the constant-speed flooding is realized, thus makes the required assumptions for the experiment process and theoretical model accord, finally the new method for the relative permeability detection of the polymer flooding is established. The contrast and analysis of the determined results with the relative permeability curve of conventional water flooding show that when the two-phase span range of the polymer flooding increases, the residual oil saturation will be reduced; the water-phase relative permeability for the same water saturation is lowered, the oil-phase relative permeability will be enhanced; on the right of the equal permeability point, with the increase of the water saturation, the increase rate of the water-phase relative permeability will be relatively slowered.关键词
聚合物驱/相对渗透率/非牛顿流体/计算模型/实验方法Key words
polymer flooding/ relative permeability/ non-Newton fluid/ calculating model/ experimenting method分类
能源科技引用本文复制引用
李斌会..聚合物驱相对渗透率曲线测定方法[J].大庆石油地质与开发,2012,31(4):130-134,5.基金项目
国家科技重大专项示范工程"松辽盆地喇、萨、杏高含水油田提高采收率示范工程"(2008ZX05000-042). （2008ZX05000-042）
