Gas pipelines importance, accidents and hazards: A literature review study

Natural gas is an important infrastructure for companies, governments, and societies. Pipelines are common, safe and effective way of transferring natural gas. Gas pipelines for some reason have high potential for creating an accident. Accidents in this field could impose great costs for companies, governments, and environment. Accidents in this field have many reasons. Fire, explosion, poisoning, and rupture are four common types of accidents result. Investigating accidents is important for preventing future accidents. So, the methods for doing this are important for finding right reasons. This study tries to review pieces of literature for viewpoint of used methods for investigating gas pipeline accidents and risk assessment of their hazards. Also, study aimed to find out common hazards type, countries that published articles, publishing journals and publishing years.