Pipelines are known to be the safest and most cost-effective mode of transportation compared to trucks, trains, and ships particularly when the fluids of interest are flammable, or they are subject to generating volatile organic compounds (VOC) when vented. The societal risk was represented using the F–N curve, indicating that risk is unacceptable and nearby populations could be relocated. The IRPA for workers is tolerable, while for people may be classified as unacceptable. The IRPA for people close to the pipeline is between 2.31 × 10 −4 and 2.60 × 10 −4 yr −1. The results show that the Individual Risk Per Annum (IRPA) for operation (and maintenance) and administrative workers are 6.14 × 10 −4 and 8.52 × 10 −5 yr −1, respectively. This methodology is illustrated using an authentic case study of a segment of 17.53 km of the length of an onshore oil pipeline located in the southwest of Colombia, considering jet and pool fire scenarios. This paper presents a methodology for performing QRA for onshore oil pipelines, which is based on the calculation of individual and societal risk indicators. In this regard, different approaches have been proposed for pipelines, but few studies are focused on oil transportation. Quantitative Risk Assessment (QRA) enables one to address the risk and to prevent these events. However, hydrocarbon releases and the subsequent fires and explosions, are presented as persistent events. Pipeline is one of the safest and most cost-effective means of transportation for hydrocarbons.
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