1. CNOOC Energy Tech-Drilling & Production Co., Tianjin 300452, China
2. CNOOC Energy Technology & Services Limited Key Laboratory for Exploration & Development of Unconventional Resources, Beijing 100029, China
3. National Engineering Research Center of Offshore Oil and Gas Exploration, Tianjin 300452, China
4. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China