1. Lecturer, College of Safety and Ocean Engineering, China Univ. of Petroleum-Beijing, Beijing 102249, China (corresponding author).
2. Graduate Student, College of Safety and Ocean Engineering, China Univ. of Petroleum-Beijing, Beijing 102249, China; Assistant Engineer, Shanxi Oil and Gas Transportation Branch, PipeChina Beijing Pipeline Company, Beijing 100101, China.
3. Graduate Student, College of Safety and Ocean Engineering, China Univ. of Petroleum-Beijing, Beijing 102249, China.
4. Associate Professor, College of Safety and Ocean Engineering, China Univ. of Petroleum-Beijing, Beijing 102249, China.
5. Professor, College of Safety and Ocean Engineering, China Univ. of Petroleum-Beijing, Beijing 102249, China.