1. School of Engineering and Technology, China University of Geosciences, Beijing, People’s Republic of China
2. National International Joint Research Center of Deep Geodrilling Equipment, Beijing, People’s Republic of China
3. Key Laboratory of Deep Geodrilling Technology, Ministry of Land and Resources, Beijing, People’s Republic of China
4. Institute of Exploration Techniques, Chinese Academy of Geological Sciences, Langfang, People’s Republic of China