Shangwen Zhou
PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, P. R. China; National Energy Shale Gas R&D (Experiment) Center, Langfang 065007, P. R. China;
China

Hongyan Wang
PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, P. R. China; National Energy Shale Gas R&D (Experiment) Center, Langfang 065007, P. R. China;
China

Bobo Li
College of Mining, Guizhou University, Guiyang 550025, P. R. China;
China

Shuangshuang Li
Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, P. R. China;
China

Kamy Sepehrnoori
Hildebrand Department of Petroleum and Geosystems Engineering, The University of Texas at Austin, Austin 78712, USA;
United States

Jianchao Cai
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, P. R. China;
China