Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Patent
1999-04-12
2000-11-21
McElheny, Jr., Donald E.
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Earth science
702 17, G01V 150
Patent
active
06151554&
ABSTRACT:
A power spectrum density processor is located near the drill bit while drilling. The power spectral density processor computes the power spectral density of the vibrations generated by the drill bit while drilling. The power spectral density information is telemetered to the surface where it is used to enhance drill bit seismic techniques.
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Dresser Industries Inc.
McElheny Jr. Donald E.
Speight Howard L.
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