Safety Alert
Safety Alert 223 - Loss of Well Control
Safety Alert 223 - Loss of Well Control
- BSEE
- Safety Alert
- BSEE Safety Alert 223
- Process Safety
- CorrosionHydrocarbon releaseWell controlWell integrity
- Inspection and maintenanceWell intervention
- Wellhead
- Job safety analysisPreventive maintenanceSafety communication
- Upstream oil and gas
Summary
A workover involving nitrogen washing removed a sand bridge from a well shut in for approximately ten years. Gas escaped through a corroded wellhead injection port where a seal assembly was absent, causing a minor condensate spill. The alert recommends reviewing maintenance and improving written instructions and job safety analysis.
Classifications: Corrosion; corrosion damage.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Well control; kick control; loss of well control.
Classifications: Well integrity; well life cycle integrity.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Well intervention; workover; well servicing.
Classifications: Wellhead; well head.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
BSEE Safety Alert 223. Themes: process safety.