BOREHOLE ACOUSTIC TRANSMITTER

BOREHOLE ACOUSTIC TRANSMITTER

An acoustic transmitter for use in a borehole logging tool employs multiple Helmholtz resonators stacked such that apertures in opposite sides of each of the resonators are in linear alignment so as to provide increased acoustic energy output over a broad band of low frequency seismic frequencies.

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Bibliographische Detailangaben
Hauptverfasser: MEDLIN, WILLIAM LOUIS, RING, GARY ALLEN
Format: Patent
Sprache:eng ; fre
Schlagworte:
DETECTING MASSES OR OBJECTS
FOR PERFORMING MECHANICAL WORK IN GENERAL
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY
PERFORMING OPERATIONS
PHYSICS
TESTING
TRANSPORTING
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Beschreibung
Zusammenfassung:An acoustic transmitter for use in a borehole logging tool employs multiple Helmholtz resonators stacked such that apertures in opposite sides of each of the resonators are in linear alignment so as to provide increased acoustic energy output over a broad band of low frequency seismic frequencies.