1. n. [Drilling Fluids]

A series of alcohols with general formula C_2nH_4n+2O_n+1. The simplest member is ethylene glycol C₂H₆O₂, widely used as antifreeze. Glycols may be used in drilling fluids as gas hydrate inhibitors.

Synonyms: cloud point glycol

See related terms: cloud point,  defoamer,  drilling fluid,  gas hydrate,  gilsonite,  inhibitor,  lubricant,  polyol,  thermally activated mud emulsion