1. Petroleum Engineering Department, Southwest Petroleum University, Chengdu, Sichuan 610500, People’s Republic of China
2. China University of Petroleum (Beijing), Beijing 102249, People’s Republic of China
3. Yangtze University, Jingzhou, Hubei 434023, People’s Republic of China
4. Bob L. Herd Department of Petroleum Engineering, Texas Tech University, Lubbock, Texas 79409, United States