Investigation Report
Cleanout Assembly Dropped onto Drillship Pipe Skate
06-07-2023 1100 G09821 MC 520 Other Lifting: Elevators
- BSEE
- Investigation Report
- Unknown
- Dropped objectsHuman factorsLine of fire
- DrillingLifting operations
- Lifting accessories
- Operating and work proceduresOperational supervisionPre-use checks
- Upstream oil and gas
- Vessel
Summary
BSEE investigates a cleanout assembly dropped approximately 40 feet onto a pipe skate aboard the Diamond Ocean BlackHornet drillship. Incorrect elevator inserts, omitted pre-use checks and inadequate verification are examined, including differences between pipe upset types. A floor hand was in the red zone; no injuries occurred.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Line of fire; struck-by hazards.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Operating and work procedures.
Classifications: Operational supervision.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Vessel; aboard ship; onboard vessel.