1. College of Energy, Chengdu University of Technology, Chengdu 610059, China
2. Key Laboratory of Oilfield Chemicals, China National Petroleum Corporation (CNPC), Beijing 100083, China
3. Research Institute of Petroleum Exploration & Development, China National Petroleum Corporation (CNPC), Beijing 100083, China
4. State Key Laboratory of Enhanced Oil Recovery, China National Petroleum Corporation (CNPC), Beijing 100083, China