Experimental study on surface-active polymer flooding for enhanced oil recovery: A case study of Daqing placanticline oilfield, NE China

YU Qiannan,LIU Yikun,LIANG Shuang,TAN Shuai,SUN Zhi,YU Yang

Table 1 Physicochemical properties of the surface-active polymer.

Parameter Value Parameter Value Density 0.653 g/cm3 Viscosity ≥42.3 mPa·s Solid content 88.83% Water insoluble content 0.07% Hydrolysis degree 21.5% Dissolution rate ≤1 h