1. Department of Safety Engineering, Heilongjiang University of Science and Technology, Harbin 150022, China
2. National Professional Center Lab of Safety Basic Research for Hydrocarbon Gas Pipeline Transportation Network, Harbin 150022, China
3. College of Earth Sciences, Jilin University, Changchun, Jilin 130061, China
4. Department of Geology, Faculty of Science, Minia University, El-Minia 61519, Egypt