1. State Key Laboratory of Enhanced Oil Recovery, Research Institute of Petroleum Exploration and Development, CNPC, Beijing 100083, China
2. Research Institute of Petroleum Exploration & Development, Beijing 100083, China
3. Key Laboratory of Oilfield Chemistry of CNPC, Beijing 100083, China
4. Oil and Gas engineering research Institute, Petrochina Jilin Oilfield Company, Songyuan 138000, China
5. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum (Beijing), Beijing 102249, China