Safety Alert
Safety Alert 313 - Snake Grip Failure on Drill Line
Safety Alert 313 - Snake Grip Failure on Drill Line
- BSEE
- Safety Alert
- BSEE Safety Alert 313
- Lifting OperationsLine of FireMachinery and Equipment
- Dropped objectsLine of fireMechanical failure
- Drilling
- WinchWire rope
- Exclusion zonesOperating and work proceduresPositive retention and reliable securingSafety communication
- Upstream oil and gas
- Offshore installation
Summary
A drill line escaped its snake grip during block stringing on a Gulf of Mexico platform rig, striking the winch operator. BSEE identified inadequate degreasing and incorrect securing methods as contributing factors. Recommendations address manufacturer instructions, grip sizing, cable preparation, proper clamps, winch speed and keeping personnel clear of drop zones where possible.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Winch; winches.
Classifications: Wire rope; steel wire rope.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
BSEE Safety Alert 313. Themes: lifting operations, line of fire, machinery and equipment.