1. n. [Drilling Fluids]

A compound containing the bicarbonate ion [HCOO^-]. The term is commonly used to refer to the ion itself. Bicarbonates are common constituents of drilling fluids. The ions are in equilibrium with carbonate and CO₂ gas.

See related terms: calcium carbonate,  carbon dioxide,  carbonate ion,  Garrett Gas Train,  sodium bicarbonate