We're sorry, but OSHAcademy doesn't work properly without JavaScript enabled. Please turn on JavaScript or install a browser that supports Javascript.

902 Well Site Preparation and Drilling Safety
Skip to main content

Rigging Up the Circulating System

While one crew finishes preparing the rig floor, another crew might be rigging up the circulating system.

  • The mud tanks and mud pumps are set into the predetermined location.
  • The mud lines are then connected and electric cords are strung.
Illustration of process for rigging up the circulating system

Potential Hazards

Mud Pumps
  • being struck by or crushed by equipment being set into place
  • getting caught in pinch points
  • being struck by crane, load, truck or forklift tipping
  • being struck by hammer when connecting mud line unions

Possible Solutions

  • Keep a safe distance from equipment that is coming together or moving.
  • Maintain a safe distance from all pinch points.
  • Stand clear of workers that may be swinging hammers.

Knowledge Check Choose the best answer for the question.

3-3. While rigging up the circulating system, when is there a risk from being struck by a hammer?