Development of a Reliability Centered Maintenance Optimization Model for Subsea Safety Critical Elements in Harsh Offshore Environments

Authors

  • Malvern Iheanyichukwu Odum  Shell Nigeria Exploration and Production Company (SNEPCo), Nigeria
  • Iduate Digitemie Jason  TotalEnergies E&P Nigeria Limited, Nigeria
  • Dazok Donald Jambol  Shell Petroleum Development Company of Nigeria Ltd, Nigeria

Keywords:

Reliability-Centered Maintenance, Subsea Systems, Safety-Critical Elements, Maintenance Optimization, Offshore Asset Integrity, Risk-Based Decision Support

Abstract

Subsea safety-critical elements play a pivotal role in ensuring the operational integrity and environmental safety of offshore oil and gas systems. However, the extreme conditions of deepwater environments, characterized by high pressure, corrosive exposure, limited accessibility, and complex logistical constraints, pose significant challenges to conventional maintenance strategies. This study introduces a tailored reliability-centered maintenance optimization model specifically designed to address the operational demands of subsea infrastructure. The model integrates failure mode analysis, criticality ranking, and cost-risk assessments into a unified decision-making framework that dynamically aligns maintenance actions with real-time system conditions and component vulnerabilities. Key elements of the model include modular architecture for integration with offshore digital systems, logic-driven strategy selection, and adaptive scheduling based on empirical data and expert input. By embedding the model into computerized maintenance systems and digital twin platforms, operators gain the ability to anticipate failure risks, reduce unplanned interventions, and optimize resource allocation. The paper further outlines implementation pathways and highlights the model's potential to support regulatory compliance and continuous improvement. This work advances the reliability engineering discipline by offering a scalable, risk-informed approach to maintenance planning in one of the world's most demanding operational contexts.

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2022-10-30

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Research Articles

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[1]
Malvern Iheanyichukwu Odum, Iduate Digitemie Jason, Dazok Donald Jambol, " Development of a Reliability Centered Maintenance Optimization Model for Subsea Safety Critical Elements in Harsh Offshore Environments" International Journal of Scientific Research in Computer Science, Engineering and Information Technology(IJSRCSEIT), ISSN : 2456-3307, Volume 8, Issue 5, pp.439-454, September-October-2022.