Safety Alert
BOP Control System Uncontrolled Pressure Release Causes LTI
BOP Control System Uncontrolled Pressure Release Causes LTI
- IADC
- Safety Alert
- IADC Alert 01-45
- Control of WorkPressure Systems
- Dropped objectsLine of firePressure systems
- Inspection and maintenance
- Hand toolsPressure vessel
- Upstream oil and gas
Summary
An alert describes an uncontrolled pressure release while three rig personnel removed a nitrogen accumulator bottle from a twelve-bottle manifold bank using a chain tong. The bottle blew upwards, and the tong apparently struck the driller’s face and head, causing severe injuries. The bottle then fell onto him.
Classifications: Dropped objects; falling objects; DROPS.
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: Hand tools; hand-held tools; handheld tools.
Classifications: Pressure vessel; pressure vessels.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
The alert concerns an uncontrolled pressure release from a blowout preventer control system.
IADC Alert 01-45. Themes: control of work, pressure systems.