Investigation Report
Worker’s Hand and Arm Trapped During Spinner Hawk Chain Adjustment
04-07-2006 22:45 G04903 MP/30 Injury
- BSEE
- Investigation Report
- Unknown
- Crushing and pinch pointsHand and finger injuriesHuman factorsLeadership and safety culture
- DrillingInspection and maintenance
- Operator displays and control interfacesRotating machinery
- Competence and trainingEnergy and process isolationJob safety analysisLockout and tagout
- Upstream oil and gas
Summary
Investigation of a drilling injury involving a Spinner Hawk chain adjustment. Unintentional operation of the close lever trapped a worker’s hand and arm. Findings address accepted adjustment practices, missing isolation, inadequate task analysis and unlabelled controls. Recommendations cover training, equipment-specific analysis, control labelling and hydraulic isolation.
Classifications: Crushing and pinch points; crush hazards; pinch points.
Classifications: Hand and finger injuries; finger injury; hand injury.
Classifications: Human factors; human performance; ergonomics.
Classifications: Leadership and safety culture; safety culture; safety leadership.
Classifications: Drilling; well drilling.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Operator displays and control interfaces.
Classifications: Rotating machinery; rotating equipment.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Energy and process isolation; isolation; energy isolation.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Lockout and tagout; LOTO; lockout/tagout.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.