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Dynamic logistics disruption risk model for offshore supply vessel operations in Arctic waters


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Adumene, S, Okwu, M, Yazdi, M, Afenyo, M, Islam, TR ORCID: 0000-0003-1577-6971, Orji, CU, Obeng, F and Goerlandt, F 2021 , 'Dynamic logistics disruption risk model for offshore supply vessel operations in Arctic waters' , Maritime Transport Research, vol. 2 , pp. 1-20 , doi: 10.1016/j.martra.2021.100039.

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In harsh environments, offshore oil and gas support operations are subjected to frequent logistics and supply chain operational disruption, due to harsh environmental factors with their associated risks. To capture these stochastic influential factors and support related decision making, it is helpful to develop a robust and dynamic probabilistic model. The current study presents a proactive methodology that integrates the Pure-Birth Markovian process (PBMP) with the Bayesian network (BN) for the effective analysis of offshore logistics disruption risk. The PBMP captures the stochasticity in the failure characteristics of the engineering systems for estimating the time-evolution degradation probability. The BN explores the dynamic interactions among the most important offshore logistics influential factors to analyze the disruption risk in a harsh environment. The effects of influential factors’ non-linear dependencies are propagated and updated, given evidence on the degree of disruption. The level of logistics disruption is further assessed using cost aggregation-based expectation theory. The theory explores the incurred cost/economic risk under different operational scenarios. The proposed methodology is tested on an offshore supply vessel operation to estimate the likely operational disruption risk in terms of financial loss in a harsh operating environment. The most critical influential functions are assessed to establish their degree of impact on the logistics disruption. At the upper bound probability of disruption occurrence, an economic risk/additional incurred cost of US$2.38E+05 with a variance (

Item Type: Article
Authors/Creators:Adumene, S and Okwu, M and Yazdi, M and Afenyo, M and Islam, TR and Orji, CU and Obeng, F and Goerlandt, F
Keywords: Logistics disruption, Bayesian network, Harsh environment, Cost aggregation technique, Monte Carlo simulation, Economic risks
Journal or Publication Title: Maritime Transport Research
Publisher: Elsevier
ISSN: 2666-822X
DOI / ID Number: 10.1016/j.martra.2021.100039
Copyright Information:

© 2021 The Authors. Published by Elsevier Ltd. This is an open access article under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license (

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