Safety Alert
Equipment Failure – Low Pressure Valve Used to Fill Casing Fails
Equipment Failure – Low Pressure Valve Used to Fill Casing Fails
- IADC
- Safety Alert
- IADC Alert 04-31
- Machinery and EquipmentPressure Systems
- Line of fireMechanical failurePressure systems
- DrillingFluid transfer
- Valve
- Upstream oil and gas
Summary
During casing running, a rig crew used a mud line fitted with a low-pressure valve to fill the casing. Closing the valve once the casing was full raised pressure beyond its working rating. Debris struck the floorman, who needed medical attention, resulting in a lost-time incident.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Drilling; well drilling.
Classifications: Fluid transfer; fluid loading; fluid offloading.
Classifications: Valve; valves.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
IADC Alert 04-31. Themes: machinery and equipment, pressure systems.