1. School of Mechanical Engineering, Yangtze University, Jinzhou, Hubei, China
2. Directional Drilling Engineering Technology Innovation Center of Ministry of Natural Resources, Langfang, Hebei, China
3. Directional Drilling Engineering Technology Innovation Base of Geological Society of China, Langfang, Hebei, China
4. Institute of Exploration Techniques, CAGS, Langfang, Hebei, China