drilling fluid

noun
variants: or drilling mud

Definition of drilling fluid

: a mixture of clay and other chemicals with oil or water that is circulated around the drill bit in oil-well drilling in order to lubricate and cool the bit, flush rock cuttings to the surface, and plaster the side of the well to prevent cave-ins

First Known Use of drilling fluid

1913, in the meaning defined above

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Time Traveler for drilling fluid

Time Traveler

The first known use of drilling fluid was in 1913

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Dictionary Entries Near drilling fluid

drilling cable

drilling fluid

drilling hammer

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Cite this Entry

“Drilling fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/drilling%20fluid. Accessed 26 Jun. 2022.

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