Removing the Horsehead (Pumping Unit Only)
Typically, the horsehead of a pumping unit must be removed to gain access to the wellhead equipment.
Pump Jack in North Dakota showing the walking beam and horsehead.
Potential Hazards
- having the unit start up while working on equipment
- being struck by counterweights on the pumping unit
- being struck by dropped horsehead or caught between horsehead and walking beam
- getting fingers and hands pinched and caught between tools and/or equipment
- being struck by falling tools or equipment
- falling from an elevation
Possible Solutions
- Use lockout/tagout, to include mechanically securing the flywheel.
- Inspect all slings before use.
- Use tag lines to position the horsehead when removing or lowering and to keep personnel clear of suspended load.
- Use the correct tools for each task.
- Inspect the tools before each use.
- Keep fingers and hands away from pinch points.
- Secure tools from falling and keep the area below clear of personnel.
- Use proper PPE and fall protection as required.
Knowledge Check Choose the best answer for the question.
4-2. Why are tag lines used to position the horsehead when removing or lowering?
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