Lei Chen
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, P. R. China

Zhenxue Jiang
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, P. R. China

Keyu Liu
CSIRO Earth Science and Resource Engineering, Bentley WA 6102, Australia

Fenglin Gao
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, P. R. China