Acoustic transmitting antenna for underwater seismic prospecting

Details Acoustic transmitting antenna for underwater seismic prospecting Acoustic transmitting antenna for underwater seismic prospecting

1998-06-30

1999-12-14

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367173, H04R 144

Patent

active

060026472

ABSTRACT:
A device for transmitting acoustically toward the bottom of the sea includes an arrangement of a cable 404 containing vertically suspended electro-acoustic transducers 403 wherein each of said transducers are assigned to a frequency of the pulse spectrum to be emitted. The transducers are attached to the cable at such positions whereby the wave transmitted toward the sea floor is in phase with the reflective wave on the surface of the sea The superimposition of different elementary signals constitutes a single strong pulse. The device replaces air gun devices for oil exploration.

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Duren: "A theory for marine source arrays"; Geophysics, vol. 54, No. 5, May 1988, Tulsa, OK, U.S.A., pp. 650-658.

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