1. School of Geoscience and Technology, Southwest Petroleum University, Chengdu, China
2. PetroChina Unconventional Key Laboratory, Southwest Petroleum University, Chengdu, China
3. Sichuan Natural Gas Geology Key Laboratory, Southwest Petroleum University, Chengdu, China
4. Collaborative Innovation Center of Shale Gas Resources and Environment, Chengdu, China
5. Exploration Company, Sinopec, Chengdu, China
6. Shale Gas Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu, China