Iranian Journal of Oil and Gas Science and Technology
Quarterly Publication

Consequence Modeling Analysis of Major Accidents of Process Pipelines

Articles in Press

Document Type : Research Paper

Authors

Abdolrahim Taheri 1
Mohammad Hossein Modheji 2
Mohsen Motavassel 3

1 Assistant Professor, Petroleum University of Technology

2 M.Sc Student, Department of HSE Engineering, Petroleum University of Technology, Abadan, Iran

3 Assistant Professor, Department of Chemical Engineering, Petroleum University of Technology, Abadan, Iran

10.22050/ijogst.2025.508798.1731
Abstract
Process pipelines are essential for operations, but their failures can have severe consequences. This study investigates and analyzes the consequence modeling of the pipeline corridor located in southern Iran. It also determines the restricted and impacted areas around the pipelines using PHAST software. The consequence modeling of the main scenarios, including flammable and toxic gas dispersion, fire, and explosion, is analyzed. According to the results, the restricted and impacted areas around the pipelines are 426.9 meters and 454.3 meters for section 1, and 648 meters and 802 meters for section 2, respectively.

Following the results, preventive and mitigative measures are recommended to lower risks. Multiple strategies should be employed to reduce the risks associated with the pipelines. Some strategies aim to decrease the frequency of incidents, while others focus on reducing the impacts and consequences of leakage, rupture, or any other type of containment failure.

Keywords

Consequence modeling
PHAST software
Restricted area
Impacted area

Subjects

Iranian Journal of Oil and Gas Science and Technology

Articles in Press, Accepted Manuscript
Available Online from 01 January 2024

  • Receive Date 25 February 2025
  • Revise Date 09 June 2025
  • Accept Date 16 June 2025

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