Patent ID: 7066280

Claim:
An improved downhole drill bit for use in drilling operations in wellbores, comprising: an integrally formed bit body; at least one cutting structure carried on said integrally formed bit body; a coupling member located at an upper portion of said intergrally formed bit body for securing said bit body to a drillstring; a lubrication system for providing lubrication to said at least one cutting structure during drilling operations; at least one operating condition sensor located in and carried by said integrally formed bit body for monitoring at least one bit operating condition relating to said lubrication system during drilling operations; at least one semiconductor memory device, located in and carried by said integrally formed bit body, for recording in memory data pertaining to said lubrication system for a time interval which may be substantially co-extensive with at least a portion of said drilling operations said drilling operations; and an electrical power supply located in and carried by said integrally formed bit body for supplying electrical power to electrical power consuming components carried by said integrally formed bit body.