CHEN Xin1 2, LU Hua-fu1, SHU Liang-shu1, WANG Hui-min2, ZHANG Guo-qing2
1. Department of Earth Sciences, Nanjing University, Nanjing 210093, China; 2. Research Institute Exploration and Development, Xinjiang Oil Company, Karamay, Xinjiang 834000, China