Safety Alert
Vibration-induced fatigue on process pipework
Vibration-induced fatigue on process pipework
- NOPSEMA
- Safety Alert
- A339011
- Hydrocarbon ReleaseInspection and MaintenanceNoise and VibrationStructural and Asset Integrity
- Hydrocarbon releaseMaterial fatigueRegulation and legislationRisk management
- Inspection and maintenance
- Process pipework and pipelines
- Risk assessment
Summary
This alert describes fatigue cracking in seawater cooling pipe connections and a hydrocarbon test separator header leak repaired without a major release. It calls for assessment of vibration excitation, points to Energy Institute pipework guidance and explains dangerous-occurrence reporting requirements, including damage to safety-critical equipment.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Material fatigue; metal fatigue.
Classifications: Regulation and legislation; safety legislation; regulatory requirements.
Classifications: Risk management; risk evaluation.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Process pipework and pipelines; process piping.
Classifications: Risk assessment; hazard assessment.
Summary
Safety alert addressing vibration-induced fatigue cracking in process pipework and the potential for hydrocarbon loss of containment.
A339011. Themes: hydrocarbon release, inspection and maintenance, noise and vibration, structural and asset integrity.