Word:

drilling fluid

Noun1.drilling fluid - 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
Synonyms: drilling mud
drilling mud, lubricant, lubricating substance, lubricator
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drill instructor
Drill jig
Drill lathe
drill master
Drill pin
Drill plow
Drill press
drill rig
drill rod
Drill sergeant
drill site
drill steel
drilled
Driller
Drilling
drilling bit
-- drilling fluid --
drilling mud
drilling pipe
drilling platform
drilling rig
Drillmaster
Drillstock
Drily
Drimys
Drimys winteri
Drink
drink down
drink in
Drink money
Drink offering
drink up
Drinkable
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