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drilling mud |
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drilling mud [′dril·iŋ ‚məd] (materials) 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Drilling mud, used to keep the drill bit cool, was spilled early Tuesday on K Street at Mono Street, Kern County road officials said. Wastes included petroleum-related chemicals, solvents, sludge, construction debris and drilling mud. Designed to operate "in reverse", or rather, to cause shaft rotation by the supplied differential pressure, such motors are referred to as Mudmotors, referring to drilling mud that provides a hydraulic medium to drive the rotor, lubricate the drill bit and remove the debris. |
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