Safety Alert
Safety Alert 325 - Bolt Failures
Safety Alert 325 - Bolt Failures
- BSEE
- Safety Alert
- BSEE Safety Alert 325
- Inspection and MaintenanceStructural and Asset Integrity
- Loss of containmentMechanical failureStructural and asset integrity
- Inspection and maintenancePressure testing
- Blowout preventer
- Operating and work procedures
- Upstream oil and gas
- Subsea
Summary
BSEE describes subsea connector bolt failures during a BOP high-pressure test, with leakage but no loss of well control or injury. Material suitability and heat treatment remained suspected causes under investigation. Recommendations address replacement of affected-lot bolts, material compliance, installation and maintenance procedures, and timely failure reporting.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Operating and work procedures.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Subsea; underwater worksite.
Summary
The alert concerns failures of bolts used in offshore equipment or structures.
BSEE Safety Alert 325. Themes: inspection and maintenance, structural and asset integrity.