Investigation Report
Gas Release from Corroded Vent Line Prompts Platform Shut-In
11-03-2025 1205 G01294 SP 62-C Shutdown from Gas Release - Incident >$25K
- BSEE
- Investigation Report
- Unknown
- CorrosionHydrocarbon releaseMechanical failure
- Inspection and maintenance
- Process pipework and pipelines
- Atmospheric gas testingOperating and work proceduresPreventive maintenance
- Upstream oil and gas
- Offshore installation
Summary
BSEE investigates a gas release from a corroded eight-inch vent line on South Pass 62 C platform. Portable gas detection confirmed the leak, prompting manual shut-in. The report identifies inspection and maintenance deficiencies, notes that Level 1 surveys missed the affected pipe, and recommends considering additional routine corrosion inspections.
Classifications: Corrosion; corrosion damage.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Process pipework and pipelines; process piping.
Classifications: Atmospheric gas testing; gas testing; atmosphere testing.
Classifications: Operating and work procedures.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.