1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
2. College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
3. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
4. Chongqing Gas Field of Petro China, Southwest Oil & Gasfield Company, Chongqing 400021, China