Methodology for Assessing the Risks of Emergencies on the East Siberia - Pacific Ocean Oil and Gas Main Pipeline

Abstract

The object of the study was the main pipeline in East Siberia -Pacific Ocean. The main pipeline works in difficult conditions, therefore the assessment of the risks of accidents is absolutely necessary. The combined risk assessment method consisting of the Checklist expert evaluation and the Fault Tree was used in the article. The Fault Tree samplewas suggested for described case study. The standard Checklist questionnaire was revised and expanded from 10 to 50 questions, to get more accurate accidents' risk assessment. The scenario of pipeline depressurization frequencies was also considered. The actual emergencies and incidents registration form was proposed. The ranking of main pipeline sections by accident rate was carried out. The software for systematization risk assessment data and accurate accident predictions is planned to be created during further research.

Evaluating the Effectiveness of Magnetic-Pulse Treatment for Healing Continuity Defects in the Metal of Oil and Gas Pipelines

“…), providing favorable conditions for damage accumulations and hence leading to destruction. Analyses of the causes of accidents in pipelines indicate that the occurrence, accumulation, and propagation of microdefects in the metal are the main reasons for the decrease in their operational properties and their reliability, thus causing their failure [13][14][15][16][17][18].…”