1. Key Laboratory of Unconventional Oil & Gas Development, China University of Petroleum (East China), Ministry of Education, Qingdao 266580, People’s Republic of China
2. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, People’s Republic of China
3. Shandong Ruiheng Xingyu Petroleum Technology Development Co. Ltd., Qingdao 266500, China