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. 1. Curves of oil viscosity reduction characteristics by adding different solvents. |