1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China
2. Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, China
3. No. 2 Gas Production Plant, PetroChina Changqing Oilfield Company, Yulin 710016, China
4. School of Earth Sciences and Engineering, Xi’an Shi You University, Xi’an 710065, China