1. School of Petroleum and Natural Gas Engineering, Changzhou University, Changzhou 213164, China
2. The Third Brigade in Jiangsu Bureau of Coal Geological, Changzhou 213000, China
3. Tianjin Center, China Geological Survey, Tianjin 300170, China
4. North China Center for Geoscience Innovation, China Geological Survey, Tianjin 300170, China
5. Department of Petroleum and Natural Gas Engineering, School of Petroleum Studies, University of Mines and Technology Tarkwa, Tarkwa P.O. Box 237, Ghana