1. Research Institute of Petroleum Engineering, China National Petroleum Corporation, Changping District, Beijing 102206, China
2. School of Engineering and Technology, China University of Geosciences (Beijing), Haidian District, Beijing 100083, China
3. Zhengzhou Institute, China University of Geosciences (Beijing), Ximei Building, High-tech Industrial Development Zone, Zhengzhou, Henan, 450001, China