1. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
2. Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University), Ministry of Education, Changsha 410083, China
3. Institute of Exploration Techniques, Chinese Academy of Geosciences, Langfang 065000, China
4. Shandong Institute of Petroleum and Chemical Technology, Dongying, 257061, China