1. School of Geoscience and Technology, Southwest Petroleum University, Chengdu, Sichuan, China
2. Natural Gas Geology Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu, Sichuan, China
3. Spatial Information Technology and Big Data Mining Research Center, Chengdu, Sichuan, China
4. School of Computer Science and Engineering, Southwest Minzu University, Chengdu, Sichuan, China