Investigation Report
Gas Fire Following Caisson Cutting
03-23-2005 23:00 00263 ST/21 Fire
- BSEE
- Investigation Report
- Unknown
- FireHydrocarbon releaseMechanical failure
- Hot work
- Fire protectionAtmospheric gas testing
- Upstream oil and gas
Summary
This investigation describes a gas fire following caisson cutting. A damaged VR plug in the casing annulus leaked while the metal remained hot, despite an initial gas check indicating no gas. An employee extinguished the fire with dry chemical equipment. No injuries or pollution occurred; a tapped blind flange was subsequently installed.
Classifications: Fire; fire safety.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Mechanical failure; equipment failure.
Classifications: Hot work; welding and cutting.
Classifications: Fire protection; fire suppression; fire detection.
Classifications: Atmospheric gas testing; gas testing; atmosphere testing.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.