Safety Alert
Stored Energy Hazards
Stored Energy Hazards
- IADC
- Safety Alert
- IADC Alert 98-16
- IsolationLine of Fire
- Line of firePressure systems
- Inspection and maintenance
- Pressure vessel
Read at IADCOpens the publisher’s page on iadc.org
Summary
A rig worker suffered serious injury when a top drive accumulator end cap blew off and struck him during removal. He was assisting another employee and did not know that the nitrogen pre-charge remained active. Pressure had not been bled off before the cap was removed.
Classifications: Line of fire; struck-by hazards.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pressure vessel; pressure vessels.
Summary
The alert addresses hazards arising from stored energy in equipment and systems.
IADC Alert 98-16. Themes: isolation, line of fire.