1. College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, PR China
2. China Petroleum Engineering & Construction Corporation Southwest Company, Chengdu, Sichuan 610095, PR China
3. Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan 610500, PR China
4. Engineering Research Center of Oilfield Chemistry, Ministry of Education, Chengdu, Sichuan 610500, PR China
5. Natural Gas Economic Research Institute, Petro China Southwest Oil & Gasfield Company, Chengdu, Sichuan 610051, PR China
6. National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, PR China