Coring
In some cases the operator orders a core sample of the formation for testing.
A special core barrel is lowered to the bottom on the drill string and is rotated to cut a core from the formation.
This core is brought to the surface and examined in a laboratory.
Core samples
Potential Hazards
- being pinched or struck by the core barrel and associated tools during floor operation being struck by the core as it is removed from the barrel
- encountering other hazards similar to those encountered during tripping out/in
Possible Solutions
- Wear appropriate PPE.
- Instruct workers in handling and using the special tools required during drill core extraction.
Knowledge Check Choose the best answer for the question.
5-8. Which of the following types of accidents are likely while performing the coring process?
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