Xiaochen Guo
School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, P. R. China
China

Rui Liu
School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, P. R. China
China

Shang Xu
School of Geosciences, China University of Petroleum (East China), Qingdao 266580, P. R. China
China

Bing Feng
Guizhou Shale Gas Exploration and Development Co. LTD, Guiyang 550001, P. R. China
China

Tao Wen
Department of Earth and Environmental Sciences, Syracuse University, Syracuse, NY 13244, USA
China

Tingshan Zhang
School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, P. R. China
China