1. Hunan Provincial Key Laboratory of Shale Gas Resource Utilization, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
2. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & Technology, Beijing, 100083, China.
3. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Changping 102249, Beijing, China
4. National Engineering Laboratory for Offshore Oil Exploration, China University of Petroleum, Changping 102249, Beijing, China
5. School of Computing, Engineering & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK