1. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, PR China
2. Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, PR China
3. Exploration and Development Research Institute of PetroChina Southwest Oil and Gas Field Company, Chengdu, Sichuan, PR China
4. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai, PR China
5. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing, PR China