1. Tight Oil and Gas Exploration and Development Project Department, Petrochina Southwest Oil and Gas Field company , Chengdu 610051 , China
2. Sichuan Shale Gas Exploration and Development Co., Ltd , Chengdu 610051 , China
3. School of Earth Science and Technology, China University of Petroleum (East China) , Qingdao 266580 , China
4. Research Institute Division, Kunlun Digital Technology Co., Ltd , Beijing 100007 , China