Development characteristics and accident causes of European natural gas pipelines

According to the analysis and summary of the accident report of gas pipelines made by EGIG (European Gas Pipeline Incident Data Group), based on drawing lessons of natural gas pipeline accidents and learning experience of natural gas pipeline construction abroad, the paper puts forward advice for the development of natural gas pipelines at home. By using the method of accidents statistics analysis, and combined with the charts, the paper analyzes the characteristics of accident change and trend in general and local scale of natural gas pipeline, and summarizes the frequency of 5 basic causes which lead to the failure of natural gas pipeline accidents. It is believed that while improving the intrinsic safety by optimizing pipeline establishment, pipeline leakage monitoring technology should also be used to find the leakage of pipelines, and safety early warning technology to pre-judge possible leakage accidents in time. In addition, the paper puts forward 5 pieces of advice in aspects of natural gas pipeline construction and safe operation management and so on in China, which can provide a support to the development of natural gas pipelines.