Safety Alert
Safety Alert 160 - Exposed Subsea Valve Assemblies Create Hazards
Safety Alert 160 - Exposed Subsea Valve Assemblies Create Hazards
- BSEE
- Safety Alert
- BSEE Safety Alert 160
- Machinery and EquipmentStructural and Asset Integrity
- Hydrocarbon releaseRegulation and legislationStructural and asset integrity
- Inspection and maintenance
- Process pipework and pipelinesValve
- Upstream oil and gas
- Subsea
Summary
This alert describes six pipeline accidents involving inadequately protected subsea valve assemblies and spills of several thousand barrels of liquid hydrocarbons. It highlights deficient maintenance of protective material, statutory cover requirements, visual inspection using ROVs or diving contractors, periodic inspection tailored to seabed conditions, and alternatives to deteriorating sandbags where applicable.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Regulation and legislation; safety legislation; regulatory requirements.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Process pipework and pipelines; process piping.
Classifications: Valve; valves.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Subsea; underwater worksite.
BSEE Safety Alert 160. Themes: machinery and equipment, structural and asset integrity.