BEARING GREASE FOR ROCK BIT BEARINGS

摘要

A heavy duty lubricating grease as shown which includes a multi-purpose heavy duty hydrocarbonaceous lubricant thickened by an alkaline soap to form lubricating grease, molybdenum disulfide and powdered calcium fluoride. The heavy duty grease can be used in a journal bearing of a drill bit in heavy duty, high temperature applications, such as journal bearings on its used to drill hot subterranean formations.