Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1980-04-23
1982-04-20
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 56, 181111, G01V 113, G01V 138
Patent
active
043262716
ABSTRACT:
A method and apparatus for determining the acoustic properties of the earth utilizes one or more identical, non-interacting, first spaced arrays of point sound sources and one or more identical, non-interacting, second spaced arrays of point sound sources with corresponding arrays of the first and second sources containing the same number of point sound sources in the same spatial relationship, with the spacing between the point sources of the second array or arrays being a factor .alpha. greater than the spacing between corresponding point sources of the first array or arrays. The energy of the radiation emitted by each point source of the first array(s) is greater than that emitted by the corresponding point sources in the second array(s) by a factor of .alpha..sup.3.
REFERENCES:
patent: 2672204 (1954-03-01), Paultes
patent: 3479638 (1969-11-01), Rusnak
patent: 3893539 (1975-07-01), Mott-Smith
patent: 4038630 (1977-07-01), Chelminski
patent: 4134098 (1979-01-01), Ruehle
patent: 4146871 (1979-03-01), Ruehle
Ziolkowski, "Design of a Marine Aismic Reflection . . . Using Air Guns as a Sound Source", 10/71, pp. 499-530, Geophysics J., vol. 23, #5.
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