1. University of Electronic Science and Technology of China, Center for Information Geoscience and School of Resources and Environment, Chengdu 610054, China and CSIRO Energy, PO Box 883, Kenmore 4069, Australia.(corresponding author).
2. CSIRO Energy, PO Box 883, Kenmore 4069, Australia..
3. University of Electronic Science and Technology of China, Center for Information Geoscience and School of Resources and Environment, Chengdu 610054, China..
4. The University of Sydney, School of Geosciences, Sydney 2006, Australia..
5. China University of Petroleum (Beijing), State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China..