Safety Alert
Failure to Properly Make Up the Top Drive/Saver Sub Connection Results in Employee Injury
Failure to Properly Make Up the Top Drive/Saver Sub Connection Results in Employee Injury
- IADC
- Safety Alert
- IADC Alert 13-11
- Control of WorkMachinery and Equipment
- Dropped objectsLine of fireMechanical failure
- Drilling
- Rotating machinery
- Upstream oil and gas
Summary
During preparations to spud a well, the drill string separated from the top drive saver sub and dropped approximately three feet into the elevators. A drill pipe screen then fell approximately 90 feet to the rig floor, striking an employee’s left forearm and causing a fracture.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Rotating machinery; rotating equipment.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
An alert about injury risks when making up a top-drive/saver-sub connection.
IADC Alert 13-11. Themes: control of work, machinery and equipment.