Boring or penetrating the earth – With signaling – indicating – testing or measuring
Reexamination Certificate
2006-06-27
2006-06-27
Neuder, William (Department: 3672)
Boring or penetrating the earth
With signaling, indicating, testing or measuring
C073S053050
Reexamination Certificate
active
07066280
ABSTRACT:
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.
REFERENCES:
patent: 5720355 (1998-02-01), Lamine et al.
Marvel Timothy K.
Nguyen Don Quy
Ruff Daniel E.
Schmidt Scott Ray
Sullivan Eric Charles
Baker Hughes Incorporated
Hill Law Firm
Neuder William
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