Life Extension Strategies for Offshore Infrastructure
Summary
Offshore installations such as oil platforms, wind turbines and subsea pipelines face a complex interplay of mechanical loading, corrosive seawater, biofouling and fatigue induced by waves and wind. Extending the operational life of these assets is critical to maximising return on investment, ensuring energy security and reducing environmental impact. Life extension strategies typically integrate rigorous inspection regimes, advanced materials and coatings, cathodic protection systems and targeted structural reinforcements. Digital tools, including structural health monitoring, remaining useful life prediction and digital twins, are increasingly employed to inform risk‐based maintenance and to optimise intervention intervals. Effective corrosion management, nondestructive evaluation and probabilistic risk assessment underpin decisions on repairs, upgrades or decommissioning, allowing operators to balance safety, cost and sustainability over extended service lives.
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Life Extension Strategies for Offshore Infrastructure publication trend
The graph below shows the total number of articles in life extension strategies for offshore infrastructure across all publications each year (not limited to Nature Index journals).
Technical terms
Remaining Useful Life (RUL): The estimated duration for which an asset or component can perform its intended function before failure occurs.
Cathodic Protection: An electrochemical technique that prevents metallic structures from corroding by making them the cathode of an electrochemical cell.
Risk‐Based Inspection (RBI): A maintenance planning methodology that prioritises inspection and repair activities based on the likelihood and consequence of failure.
Geographically Weighted Regression (GWR): A spatial analysis method that models relationships between variables across different locations to account for local heterogeneity.
Nondestructive Testing (NDT): Techniques for evaluating the integrity of structures and materials without causing damage, such as ultrasonic thickness measurement and radiography.
References
- An RUL-informed approach for life extension of high-value assets. Computers & Industrial Engineering (2022).
- Assessment of Corrosion Damage in a Finger-Type Slug Catcher. Journal of Failure Analysis and Prevention (2013).
- Exploring the Spatial Variations of Stressors Impacting Platform Removal in the Northern Gulf of Mexico. Journal of Marine Science and Engineering (2021).
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