Investigation Report
Equinor – Njord A – investigation of oil spill
Equinor – Njord A – investigation of oil spill
- Havtil
- Investigation Report
- Unknown
- Barrier managementFunctional safetyHydrocarbon releasePressure systems
- Inspection and maintenance
- Pressure vesselValve
- Alarm managementFunctional testingOperating and work proceduresPreventive maintenance
- Upstream oil and gas
- Marine watersOffshore installation
Summary
Investigation of an oil spill from Njord A through its produced water system. A manually fixed valve and failed low-level shutdown allowed discharge for two hours and twenty minutes. The report examines gamma-based level measurement, calibration and testing deficiencies, shared control and shutdown dependencies, and missing valve travel limitation.
Classifications: Barrier management; safety barrier management.
Classifications: Functional safety; safety instrumented systems; SIS.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pressure vessel; pressure vessels.
Classifications: Valve; valves.
Classifications: Alarm management.
Classifications: Functional testing; function test.
Classifications: Operating and work procedures.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.
Classifications: Offshore installation; offshore platform; offshore rig.