drilling mud(redirected from Artificial mud)
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Related to Artificial mud: drilling mud, drilling fluid, mud pies
drilling mud[′dril·iŋ ‚məd]
A suspension of finely divided heavy material, such as bentonite and barite, pumped through the drill pipe during rotary drilling to seal off porous zones and flush out chippings, and to lubricate and cool the bit. Also known as drilling fluid.