Natural hazards can be initiating events for accidents in oil and gas pipelines. Severe past incidents bear testimony to the risk associated with pipeline accidents triggered by natural hazards (natechs). Post-incident analysis is a valuable tool for better understanding the causes, dynamics and impacts of such accidents. To identify the main triggers of onshore transmission pipeline natechs in the USA, natural gas and hazardous liquid incident reports collected by the Pipeline and Hazardous Materials Safety Administration were analyzed. Potential natech incidents were identified by automated data-mining followed by expert review. The analysis covered ∼21,000 incidents, about 6% of which were identified as natechs. Geological hazards triggered 50% of the identified natechs, followed by meteorological (25%), climatic (11%), and hydrological (11%) hazards. Landslides are the main geological hazard with 43% of the incidents within the category. Among meteorological hazards, lightning is the major hazard with 36%. 84% of the hydrological hazard related natechs were found to be due to floods. Cold-related hazards make up 93% of the natechs caused by adverse climatic conditions. Some preliminary qualitative results on consequences are provided as well.
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2014 10th International Pipeline Conference
September 29–October 3, 2014
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
978-0-7918-4612-4
PROCEEDINGS PAPER
Onshore Natural Gas and Hazardous Liquid Pipeline Natechs in the USA: Analysis of PHMSA Incident Reports Available to Purchase
Serkan Girgin,
Serkan Girgin
European Commission, Joint Research Center, Ispra, VA, Italy
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Elisabeth Krausmann
Elisabeth Krausmann
European Commission, Joint Research Center, Ispra, VA, Italy
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Serkan Girgin
European Commission, Joint Research Center, Ispra, VA, Italy
Elisabeth Krausmann
European Commission, Joint Research Center, Ispra, VA, Italy
Paper No:
IPC2014-33366, V003T12A014; 10 pages
Published Online:
December 9, 2014
Citation
Girgin, S, & Krausmann, E. "Onshore Natural Gas and Hazardous Liquid Pipeline Natechs in the USA: Analysis of PHMSA Incident Reports." Proceedings of the 2014 10th International Pipeline Conference. Volume 3: Materials and Joining; Risk and Reliability. Calgary, Alberta, Canada. September 29–October 3, 2014. V003T12A014. ASME. https://doi.org/10.1115/IPC2014-33366
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