1. n. [Drilling Fluids]

A very weak base, ZnO, which can be used as a sulfide scavenger in oil-based or synthetic-based muds.

See related terms: Garrett Gas Train,  hydrogen sulfide,  oil-base mud,  scavenger,  sulfide,  synthetic-base mud,  zinc basic carbonate,  zinc bromide,  zinc carbonate,  zinc chloride