Maintainability analysis of an offshore gas compression train system, a case study

Purpose - This paper aims to propose a practical method of performing maintainability analysis of an offshore system at operation phase having some improvement trend.Design methodology approach - The analysis follows a systematically developed method of analyzing maintenance data, identifying critic...

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Bibliographic Details
Published in:The International journal of quality & reliability management 2013-01, Vol.30 (5), p.495-510
Main Authors: Hussin, Hilmi, Mohd Hashim, Fakhruldin, Halim Ramli, Omar, Muhammad Afdhal Ghazali, Syed
Format: Article
Language:English
Subjects:
Bayesian analysis
Case studies
Decision making
Design engineering
Downtime
Failure
Feedback
Hypotheses
Maintainability
Maintenance
Maintenance management
Mathematical models
Methods
Normal distribution
Offshore
Offshore drilling
Offshore engineering
Probability distribution
Random variables
Repair & maintenance
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Summary:Purpose - This paper aims to propose a practical method of performing maintainability analysis of an offshore system at operation phase having some improvement trend.Design methodology approach - The analysis follows a systematically developed method of analyzing maintenance data, identifying critical factors affecting system performance, and developing suitable downtime distribution model with some applications of statistical analysis techniques and expert opinion.Findings - Improvement in spare part logistics is found significant in reducing downtime thus should be well feedback to design and plant engineers so that it can be incorporated in new offshore system. The downtime models developed based on the steady state analysis and expert input are found to be practical for prediction of the system maintainability performance.Research limitations implications - The analysis focuses on the downtime which includes the repair, logistics and administrative delay time. At the operation phase, plant personnel are mostly interested in the availability and downtime performance of the system thus this study provides an excellent example of how the analysis can be done practically and effectively.Practical implications - Maintainability analysis at operation phase is crucial to assess and predict the maintenance system performance and provide valuable feedback to the design phase and existing plant for further improvement. The methodology developed here is practical hence can assist plant personnel to perform maintainability analysis effectively.Originality value - This paper present a generic method of analyzing maintainability at the operation phase. The proposed distribution method via steady state and expert input approaches provides a practical method for formulating downtime distribution model when improvement trend exists.
ISSN:0265-671X
1758-6682
DOI:10.1108/02656711311315486