Noun: drilling mud dri-ling múd
- 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
"Proper management of drilling mud is crucial for efficient and safe oil well drilling";
- drilling fluid
Type of: lube, lubricant, lubricating substance, lubricator
Encyclopedia: Drilling mud