1. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China
2. Engineering and Management Sciences, Balochistan University of Information Technology, Quetta, Balochistan, Pakistan
3. Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Ministry of Education, Qingdao, China
4. China University of Geosciences, Beijing, China