Ester-containing downhole drilling lubricating composition and processes therefor and therewith

摘要

A lubricating composition containing one or more esters obtained as a reaction product from a reaction mixture of a glycerol component, a fatty/acid component, and a carboxylic acid component. The lubricating composition can additionally contain a water-insoluble fluid. The lubricating composition is suitable for use as a lubricant and rate of penetration enhancing additive in drilling muds for oilwell drilling operations.