Resuming Drilling
In this process, the driller starts the pump and picks up off the slips.
These workers resume lowering the kelly bushing.
- The drill crew then removes the slips.
- The driller lowers the string until the kelly drive bushing engages the master bushing.
- Once the bushings are in place, the driller begins rotating the drill string, lowers the bit back to bottom, and continues making hole.
Potential Hazards
- being thrown off the rotary table when engaged
- getting caught by loose clothing
Possible Solutions
- Stand clear of the rotary table.
Knowledge Check Choose the best answer for the question.
5-7. Why should workers stand clear of the rotary table?
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