Safety Alert
Safety Alert 269 - Loss of Well Control from Sustained Casing Pressure
Safety Alert 269 - Loss of Well Control from Sustained Casing Pressure
- BSEE
- Safety Alert
- BSEE Safety Alert 269
- Pressure SystemsProcess Safety
- Hydrocarbon releasePressure systemsWell controlWell integrity
- Operating and work proceduresSafety communication
- Upstream oil and gas
- Offshore installation
Summary
An offshore well leaked gas at the mud line after earlier casing-pressure observations went unreported through required channels. Diagnostics suggested tubing-to-casing communication, but the investigation could not establish definitively how or why failure occurred. The alert recommends reviewing casing-pressure policies and clarifying reporting expectations in writing.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Well control; kick control; loss of well control.
Classifications: Well integrity; well life cycle integrity.
Classifications: Operating and work procedures.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
BSEE Safety Alert 269. Themes: pressure systems, process safety.