1. Professor, Province Key Laboratory of Safety of Oil and Gas Storage and Transportation, China Univ. of Petroleum, Qingdao 266580, China (corresponding author).
2. Postgraduate Student, Dept. of Engineering Mechanics, China Univ. of Petroleum, Qingdao 266580, China.
3. Senior Engineer, Dept. of Offshore Engineering, Drilling Technology Research Institute of Shengli Oil Field, Dongying 257017, China.