07066280 is referenced by 33 patents and cites 1 patents.

An improved drill bit for use in drilling operations in a wellbore comprising a bit body including a plurality of bit legs, each supporting a rolling cone cutter, a lubrication system for a rolling cone cutter, at least one lubrication sensor for monitoring at least one condition of said lubricant during drilling operations, and an electronics member in the bit body for recording data obtained form said lubrication sensor.

Title
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
Application Number
10/405576
Publication Number
7066280 (B2)
Application Date
April 1, 2003
Publication Date
June 27, 2006
Inventor
Daniel E Ruff
Kingwood
TX, US
Timothy K Marvel
The Woodlands
TX, US
Glenn R Zadrapa
Highlands
TX, US
Don Quy Nguyen
Houston
TX, US
Scott Ray Schmidt
The Woodlands
TX, US
Theodore Edward Zaleski Jr
Spring
TX, US
Eric Charles Sullivan
Houston
TX, US
Agent
Hill Law Firm
Assignee
Baker Hughes Incorporated
TX, US
IPC
E21B 10/22
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