1. Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi’an Shiyou University, Xi’an, China
2. Research Institute of Petroleum Engineering, Sinopec Northwest Oilfield Company, Urumqi, China
3. Sinopec Key Laboratory of Enhanced Recovery of Fractured-Cave Reservoir, Urumqi, China
4. CNPC Engineering Technology R & D Company Limited, Beijing, China