Investigation Report
Drill-Pipe Joint Dropped During Knuckle-Boom Crane Lift
02-03-2021 02:00 G11081 GC 645 Crane
- BSEE
- Investigation Report
- Unknown
- Dropped objectsHuman factors
- DrillingLifting operations
- CraneLifting accessories
- Competence and trainingHuman-centred designOperating and work procedures
- Upstream oil and gas
- Offshore installation
Summary
BSEE investigates a drill-pipe joint dropped during a knuckle-boom crane lift on the Holstein Spar Rig. The pipe fell approximately 13 feet onto the rack before entering the Gulf of Mexico. Analysis identified incorrect gripping and abrupt boom stopping; planned improvements included gripping-force indicators and additional operator training. No injuries were reported.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Human-centred design.
Classifications: Operating and work procedures.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.