Boring or penetrating the earth – With signaling – indicating – testing or measuring
Reexamination Certificate
2005-06-07
2009-10-20
Gay, Jennifer H (Department: 3676)
Boring or penetrating the earth
With signaling, indicating, testing or measuring
C073S152590
Reexamination Certificate
active
07604072
ABSTRACT:
Drill bits and methods for sampling sensor data associated with the state of a drill bit are disclosed. A drill bit for drilling a subterranean formation comprises a bit body and a shank. The shank further includes a central bore formed through an inside diameter of the shank and configured for receiving a data analysis module. The data analysis module comprises a plurality of sensors, a memory, and a processor. The processor is configured for executing computer instructions to collect the sensor data by sampling the plurality of sensors, analyzing the sensor data to develop a severity index, comparing the sensor data to at least one adaptive threshold, and modifying a data sampling mode responsive to the comparison. A method comprises collecting sensor data by sampling a plurality of physical parameters associated with a drill bit state while in various sampling modes and transitioning between those sampling modes.
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Glasgow Keith
Lutes Paul J.
Pastusek Paul E.
Pritchard Daryl L.
Sullivan Eric C.
Baker Hughes Incorporated
Gay Jennifer H
Stephenson Daniel P
TraskBritt PC
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