Safety Alert
Test Assembly Makeup Results in a Fatality
Test Assembly Makeup Results in a Fatality
- IADC
- Safety Alert
- IADC Alert 04-37
- Line of FirePressure Systems
- Line of fireMechanical failure
- Pressure testing
- Blowout preventerValve
- Upstream oil and gas
Summary
A fatal incident occurred during pressure testing on a rig. The top-drive connection was disconnected to align a torque tube key slot and close the lower IBOP. During reconnection, the tong bite broke, allowing the test assembly to rotate and strike the worker with its side outlet and lo-torque valve.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Valve; valves.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
The rig was pressure testing BOPs and surface equipment.
IADC Alert 04-37. Themes: line of fire, pressure systems.