Funding for this research was provided by:
National Natural Science Foundation of China (41702387)
China Postdoctoral Science Foundation (2017M610507, 2018T110845)
Open Research Fund Program of Key Laboratory of Deep Geodrilling Technology, Ministry of Land and Resources (K201701)
Article History
Received: 21 April 2018
Accepted: 26 November 2018
First Online: 13 December 2018