Explore the Energy Glossary

Look up terms beginning with:

water-in-oil emulsion

1. n. [Drilling Fluids]

A fluid with water or brine as droplets dispersed into an external phase of oil.

Synonyms: invert-emulsion oil mud

See: demulsifierdiesel-oil mudemulsionhydrophile-lipophile balance numberoil mudsynthetic-base fluidsynthetic-base mud