Investigation Report
Crane Boom Collapse During Vessel-to-Platform Lift
08-27-2025 1045 G37455 WD 152 Crane, Incident > $25k
- BSEE
- Investigation Report
- Unknown
- Dropped objectsMechanical failure
- Cargo transferInspection and maintenanceLifting operations
- CraneWire rope
- Competence and trainingFunctional testingOperating and work proceduresPreventive maintenance
- Upstream oil and gas
- Offshore installation
Summary
This investigation examines a crane boom collapse during a vessel-to-platform lift at West Delta 152 A. Findings link bearing seizure, sheave pin wear and cable failure, with damage but no injuries. It examines inspection methods, laboratory rope analysis and gaps in pin inspection policies and training.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Cargo transfer; cargo handling.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Wire rope; steel wire rope.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Functional testing; function test.
Classifications: Operating and work procedures.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.