Safety Alert
Drill string severed/parted while laying down drill pipe
Drill string severed/parted while laying down drill pipe
- IADC
- Safety Alert
- IADC Alert 23-01
- Lifting OperationsMachinery and Equipment
- Mechanical failure
- DrillingLifting operations
- Blowout preventer
- Upstream oil and gas
Summary
During drill-pipe laydown, the crew heated an over-torqued connection with a propane weed burner after closing the BOP rams. Following separation of the connection, the driller hoisted the remaining string into the still-closed pipe rams, causing it to part approximately four feet below the elevators.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
The alert concerns a drill string separating while drill pipe was being laid down.
IADC Alert 23-01. Themes: lifting operations, machinery and equipment.