drilling mud

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Related to Artificial mud: drilling mud, drilling fluid, mud pies

drilling mud

n
(Mining & Quarrying) a mixture of clays, water, and chemicals pumped down the drill string while an oil well is being drilled to lubricate the mechanism, carry away rock cuttings, and maintain pressure so that oil or gas does not escape
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Noun1.drilling mud - a mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole
lube, lubricant, lubricating substance, lubricator - a substance capable of reducing friction by making surfaces smooth or slippery
References in periodicals archive ?
The buildings are envisioned to be large structures equipped with an artificial mud pathway with dense vegetation, which would reduce the temperatures for visitors moving between exhibits.

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