Piezoelectric seismic vibration device and method

Details Piezoelectric seismic vibration device and method Piezoelectric seismic vibration device and method

1989-07-24

1991-04-09

Jordan, Charles T.

Acoustics

Geophysical or subsurface exploration

181102, 181106, 181113, 367912, 310334, G01V 100

Patent

active

050056654

ABSTRACT:
A vibrator and method for transmitting seismic signals into the earth to obtain data on various subsurface characteristics. The vibrator is driven with piezoelectric transducers, and can produce better signal resolution at higher frequencies than is possible with hydraulic vibrators. The piezoelectric vibrators can be used in various embodiments at the earth's surface, within a borehole, or while permanently buried in the earth.

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Hardee, H. C., "Downhole Periodic Seismic Sources," Geophysical Prospecting, 31: 57-71, 1983.
"High Frequency Seismic Source", brochure issued by Southwest Research Institute, San Antonio, Tx.
"A Portable High Frequency Seismic Pulse Source", Maintenance and Instruction Manual; Southwest Research Institute, San Antonio, Tx., May 27, 1981.

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