CO2 assisted steam flooding in late steam flooding in heavy oil reservoirs
XI Changfeng,QI Zongyao,ZHANG Yunjun,LIU Tong,SHEN Dehuang,MU Hetaer,DONG Hong,LI Xiuluan,JIANG Youwei,WANG Hongzhuang
Petroleum Exploration & Development . 2019, (6): 1242 -1250 .  DOI: 10.1016/S1876-3804(19)60277-6