Scaled physical experiments on drainage mechanisms of solvent-expanded SAGD in super-heavy oil reservoirs

WU Yongbin,LIU Xueqi,DU Xuan,ZHOU Xiaoyi,WANG Li,LI Jun,LI Yanhong,LI Xiuluan,LI Yang

Fig. 7. Comparison of oil drainage surface shapes inside the steam chambers of different solvent systems.