Investigation Report
Floorhand Fractured Arm During Back-Reaming as Make-Up Tongs Released
05-10-2015 04:30 G02705 HI A 547 Required Evacuation / LTA (>3days) / Human Error
- BSEE
- Investigation Report
- Unknown
- Human factorsLine of fireMechanical failure
- Drilling
- Exclusion zonesJob safety analysisOperational supervisionStop-work authority
- Upstream oil and gas
- Offshore installation
Summary
An investigation into a floorhand’s fractured right arm during back-reaming on the Hercules 300 jackup rig examines make-up tongs releasing from drill pipe and inadequate top-drive grip. Findings identify deficient hazard analysis, safe positioning, communication, supervision and procedures, and discuss standing zones, JSA review and stop-work authority.
Classifications: Human factors; human performance; ergonomics.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Operational supervision.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.