Fluid used to lubricate the bit and convey drill cuttings to the surface with rotary drilling equipment. Usually composed of bentonite slurry or muddy water. Can become contaminated, leading to cross contamination, and may require special disposal. Not used with DP methods
DRILLING FLUID
Meaning of DRILLING FLUID in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012