Investigation Report
Equinor – Tjeldbergodden – investigation of turbine breakdown and fire
Equinor – Tjeldbergodden – investigation of turbine breakdown and fire
- Havtil
- Investigation Report
- Unknown
- Barrier managementFireLoss of containmentMechanical failure
- Inspection and maintenance
- Rotating machineryValve
- Emergency responseFire protectionFunctional testingPreventive maintenance
- Downstream and process industries
- Onshore facility
Summary
Investigation of a steam turbine breakdown and fire at Equinor’s Tjeldbergodden methanol plant. Failed medium-pressure steam isolation during process shutdown allowed backflow and overspeed. The report examines valve criticality, temporary repairs, missing functional tests and operating documentation, alongside firefighting and evacuation arrangements. No physical injuries were reported.
Classifications: Barrier management; safety barrier management.
Classifications: Fire; fire safety.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Rotating machinery; rotating equipment.
Classifications: Valve; valves.
Classifications: Emergency response; emergency preparedness.
Classifications: Fire protection; fire suppression; fire detection.
Classifications: Functional testing; function test.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Downstream and process industries; refining; petrochemicals.
Classifications: Onshore facility; onshore plant.