1. Geomathematics Key Lab of Sichuan Province Chengdu University of Technology Chengdu 610059 China
2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of Technology Chengdu 610059 China
3. Postdoctoral Station of Geological Resources and Geological Engineering Chengdu University of Technology Chengdu 610059 China
4. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of Technology Chengdu 610059 China
5. School of Sciences Southwest Petroleum University Chengdu 610500 China
6. Southwest Oil and Gas Field Company Exploration and Development Research Institute PetroChina Chengdu 610041 China