Safety Alert
Traveling Block Hits Crown Resulting in a Fatal Incident
Traveling Block Hits Crown Resulting in a Fatal Incident
- IADC
- Safety Alert
- IADC Alert 08-36
- Line of FireMachinery and Equipment
- Dropped objectsLine of fireMechanical failure
- DrillingLifting operations
- Upstream oil and gas
Summary
A fatal drilling incident occurred after a relief driller lifted a stand of pipe that the derrickman had latched. The travelling block struck the crown and the drilling line parted. The block and pipe fell across the monkey board, striking and killing the derrickman.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
The alert concerns a fatal collision between a traveling block and the crown.
IADC Alert 08-36. Themes: line of fire, machinery and equipment.