Safety Flash
Hydraulic Oil Leak to Sea from Downline Fitting
Hydraulic Oil Leak to Sea from Downline Fitting
- IMCA
- Safety Flash
- IMCA SF 24/22
- EnvironmentInspection and MaintenanceMachinery and Equipment
- Environmental protectionLoss of containmentPressure systems
- DecommissioningInspection and maintenance
- Hose
- Operating and work proceduresPre-use checks
- Marine watersSubsea
Summary
During decommissioning with a diamond wire saw, 100 litres of hydraulic oil escaped to sea through a slack BSP downline fitting. Tightness checks had been omitted because the checklist prompted only visual inspection. Actions included physical tightness checks, checklist revision, additional fitting supports and removal of the hydraulic hose bight following feasibility review.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Decommissioning; facility dismantling.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Hose; flexible hose.
Classifications: Operating and work procedures.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Marine waters.
Classifications: Subsea; underwater worksite.
Summary
A loose hydraulic hose fitting released 100 litres of oil to sea after connection tightness checks were omitted.
IMCA SF 24/22. Themes: environment, inspection and maintenance, machinery and equipment.