Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Patent
1986-01-27
1988-05-03
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
367160, 367162, G01V 140, G01V 114
Patent
active
047424958
ABSTRACT:
An acoustic transmitter for borehole logging includes a flexure disc acoustic source affixed to one end of an open-ended pipe. A rubber boot surrounds the pipe and flexure disc source and fluidly isolates them from the surrounding borehole fluid. Oil fills the rubber boot and pipe, such that the borehole fluid pressure is transmitted through the rubber boot to the oil. The flexure disc source is electrically excited to cause the transmitter to generate acoustic energy tube waves at one of the resonances of the flexure disc source within the seismic frequency range.
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"Formation Compressional and Shear Interval-Transit-Time Logging by Means of Logging Spacing and Digital Techniques"; J. Aron et al., Feb. 1980, 53rd Annual Fall Technical Conference.
Medlin William L.
Slover, Jr. Vasel R.
Gilman Michael G.
Hager Jr. George W.
McKillop Alexander J.
Mobil Oil Corporation
Swann Tod R.
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