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Major hazard pipelines: a comparative study of onshore transmission accidents

G. A. Papadakis

Journal of Loss Prevention in the Process Industries

Cilt: 12, Sayı: 1, 91-107, 1999/01

Failures of pipelines conveying dangerous substances can pose major risks. Identification of pipeline hazards associated with the different pipeline system functions is essential for risk analysis and historical data are of great importance. Incident data are analysed, following a review of official sources, by failure mechanism, size and function of the systems in two types of transmission networks around the world, i.e. natural gas and hazardous liquids. The development of the networks and the reporting criteria used by the official sources for the collection of incidents in the last twenty five years have shown remarkable differences. The performance of both gas and liquid transmission lines in Europe, the US and the former Soviet Union in terms of failures has shown a progressive improvement but the extent of consequences following gas releases and oil spillages have not shown any change in the last fifteen years. External interference is not always the predominant cause of failures in all systems depending also on pipe size. Failures with casualties in gas transmission have not shown any decrease over the last decade and there is a clear indication that many are connected with the parts and functions other than the main body of the pipeline. A comparison between European and US gas frequency data, derived under common constraints, shows that valuable information can be lost when criteria for incidents collection are only limited to the body of the pipeline.

Anahtar Kelimeler: Onshore pipelines; Major hazards; Failure causes/consequences

Elsevier Science Ltd.

DOI: 10.1016/S0950-4230(98)00048-5

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