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.