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903 Well Site Completion and Servicing Safety
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Removing the Wellhead

To begin the servicing process, the wellhead must be removed from the casing flange.

Wellhead on a Flowing Well

Potential Hazards

  • being struck by released pressure or flying particles
  • being struck by the wrench or hammer while removing bolts and fittings
  • getting caught between wellhead, hydraulic wrenches, and wellhead fittings
  • getting fingers and hands pinched and caught between flanges or valves
  • slips, trips, and falls
  • entering into well cellars

Possible Solutions:

  • Stand clear of valves and fittings when removing fitting or bleeding off pressure.
  • Check wellhead pressure and bleed pressure off before removal
  • Use the correct tools for each task
  • Inspect the tools before each use
  • Wear proper PPE including safety glasses
  • Keep fingers and hands away from pinch points
  • Cover open cellars
  • Wear fall protection as appropriate
  • Implement a confined space entry program

Knowledge Check Choose the best answer for the question.

4-3. What is a potential hazard associated with removing the wellhead from the casing flange during the servicing process?