1. Safety, Environment and Technology Supervision Research Institute of PetroChina Southwest Oil and Gas Field Company, Chengdu, China
2. Shale Gas Evaluation and Exploitation Key Laboratory of Sichuan Province, Chengdu, China
3. School of Oil & Natural Gas Engineering, Southwest Petroleum University, Chengdu, China
4. Oil & Gas Fire Protection Key Laboratory of Sichuan Province, Chengdu, China