Investigation Report
Explosion During Flange Opening to Install a Skillet
06-24-2022 1147 G04782 MP 260 P Explosion - required evacuation
- BSEE
- Investigation Report
- Unknown
- ExplosionHazardous substancesHuman factors
- Process pipework and pipelines
- Ignition source controlEnergy and process isolationRisk assessment
- Construction
- Offshore installation
Summary
BSEE investigates an explosion during flange opening to install a skillet on Main Pass 260 Platform P. Two workers received medical evaluation and returned to unrestricted duty that day. No root cause was identified; pyrophoric iron was considered the most likely explanation, with inadequate hazard analysis and absent pipe purging or flushing highlighted.
Classifications: Explosion; explosive atmospheres.
Classifications: Hazardous substances; hazardous chemicals; chemical exposure.
Classifications: Human factors; human performance; ergonomics.
Classifications: Process pipework and pipelines; process piping.
Classifications: Ignition source control; ignition prevention.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Risk assessment; hazard assessment.
Classifications: Construction; construction industry.
Classifications: Offshore installation; offshore platform; offshore rig.