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Dynamic risk-based maintenance for offshore processing facility
journal contributionposted on 2023-05-18, 21:40 authored by Bhandari, J, Ehsan ArzaghiEhsan Arzaghi, Rouzbeh Abbassi, Vikrambhai GaraniyaVikrambhai Garaniya, Faisal KhanFaisal Khan
Processing facilities in a marine environment may not remain safe and available if they are not well maintained. Dynamic risk-based maintenance (RBM) methodology is a tool for maintenance planning and decision making, used to enhance the safety and availability of the equipment. It also assists in identifying and prioritizing the maintenance of equipment based on the level of risk. This article discusses an advanced methodology for the design of an optimum maintenance program integrating a dynamic risk-based approach with a maintenance optimization technique. In this study, Bayesian Network (BN) is employed to develop a new dynamic RBM methodology that is capable of using accident precursor information in order to revise the risk profile. The use of this methodology is based on its failure prediction capability which optimizes the cost of maintenance. The developed methodology is applied to a case study involving a failure of a separator system in the offshore oil and gas production platform considering marine environments. The result shows it is essential that the valve system in the separator needs to be planned for maintenance once every 25 days; however, the cooler system can be planned for repairs once only biennially. A sensitivity analysis is also conducted to study the criticality of the operating system.
Publication titleProcess Safety Progress
Department/SchoolAustralian Maritime College
PublisherJohn Wiley & Sons, Inc.
Place of publicationUSA
Rights statementCopyright 2016 American Institute of Chemical Engineers