Safety Alert
Safety Alert 340 - Caisson Well Surface Safety Valve Actuator Explodes
Safety Alert 340 - Caisson Well Surface Safety Valve Actuator Explodes
- BSEE
- Safety Alert
- BSEE Safety Alert 340
- ExplosionPressure Systems
- ExplosionMechanical failurePressure systems
- Valve
- Job safety analysisManagement of changeOperating and work proceduresStop-work authority
- Upstream oil and gas
- Offshore installation
Summary
An offshore caisson well’s surface safety valve actuator exploded during cold-weather start-up after a tubing jumper admitted unregulated well gas. The alert describes overpressure, failed fasteners and a removed pressure relief device, with no reported injuries or pollution. BSEE recommends considering measures addressing start-up procedures, management of change and stopping unsafe operations.
Classifications: Explosion; explosive atmospheres.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Valve; valves.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
BSEE Safety Alert 340. Themes: explosion, pressure systems.