Abstract
During their operational lifetime, the static process equipment (including piping, pipelines and topside static equipment) that constitute an offshore oil and gas production installation are subjected to a number of degrading mechanisms, like corrosion and erosion. These degradation mechanisms can significantly reduce the integrity of equipment thereby increasing their possibility of their failure. In order to mitigate the risk associated with the failure, the pipes/equipment are regularly inspected, monitored or tested using various techniques. These inspection–monitoring–testing activities can provide valuable data/information about the existing condition of the pipes/equipment and provide direction for future maintenance activities. Unfortunately, all these inspection–maintenance activities may result in a vast amount of, potentially imperfect, data that may be difficult to interpret. Currently, data from various stages: design, operation, inspection, monitoring and maintenance etc. are collected but often inefficiently used. The decisions regarding future inspection and maintenance programs are therefore made without taking into consideration all relevant data. Thus there is a need to develop systems that can effectively use the maximum amount of available data to aid in the decision-making process. This paper discusses a framework for an intelligent human-centric decision support system based on the concepts of data–information–knowledge hierarchy. Such a system can help inspection engineers effectively use available databases, information systems and knowledge-based systems for implementing risk-based inspection analysis of degrading structures.
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A shorter version of this paper was published as Singh, M., Fosselie, T. and Wiggen, F., Data, information, knowledge and decision-making in condition monitoring, Proceedings of COMADEM 2010, The 23rd International Congress & Exhibition on Condition Monitoring and Diagnostic Engineering Management, Nara, Japan, 2010.
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Singh, M., Hetlevik, S. Data–information–knowledge hierarchy based decision support system for risk based inspection analysis. Int J Syst Assur Eng Manag 8 (Suppl 2), 1588–1595 (2017). https://doi.org/10.1007/s13198-017-0631-7
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DOI: https://doi.org/10.1007/s13198-017-0631-7