Investigation Report
Packoff Assembly Struck Operator’s Hand During Wireline Operations
11-19-2008 03:00 G26023 EI/98 Required Evacuation - LTA (>3 days)
- BSEE
- Investigation Report
- Unknown
- Dropped objectsHand and finger injuriesMechanical failure
- Working at height
- Wire rope
- Job safety analysisOperating and work proceduresStop-work authority
- Upstream oil and gas
Summary
An investigation examines severe hand injuries during wireline operations on Hercules Rig 251. A packoff assembly struck an elevated operator’s hand, and the tool string subsequently fell following rope-socket failure. The report discusses repeated top-drive impacts, possible equipment overstress, dismissed clearance concerns, operating procedures, job safety analysis and stop-work arrangements.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Hand and finger injuries; finger injury; hand injury.
Classifications: Mechanical failure; equipment failure.
Classifications: Working at height; work at height.
Classifications: Wire rope; steel wire rope.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Operating and work procedures.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.