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902 Well Site Preparation and Drilling Safety
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Raising the Kelly and New Joint

In this procedure, the driller uses the drawworks to raise the kelly and attached joint out of the mousehole.

Raising the Kelly
Illustrated mast with kelly being raised

Potential Hazards

  • being struck by debris or overhead objects if the traveling block runs into the crown block or if the traveling block or swivel hits the derrick
  • being struck by kelly or pipe

Possible Solutions

  • Install a crown safety device on the drawworks and ensure proper functioning.
  • Keep personnel clear of the potential swing path of the kelly and pipe.
  • Be sure to be aware of overhead hazards - look up!

Knowledge Check Choose the best answer for the question.

5-5. What is the hazard if the traveling blocks run into the crown block or if the traveling block or swivel hits the derrick?