Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1982-05-25
1984-10-09
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367 15, 367 23, 181110, 181118, 181120, G01J 138, G01J 113
Patent
active
044765533
ABSTRACT:
In order to determine the signature of an array of n seismic sources 21 to 27, for instance marine seismic sources in the form of air guns, the array is actuated and the emitted pressure wave is measured at n independent points whose positions will respect to the array are known by hydrophones 31 to 37. The measurements are processed to produce n equivalent signatures of the n sources taking into account the interactions therebetween. The signature of the array is then determined merely by superposing the n equivalent signatures.
REFERENCES:
patent: 3866161 (1975-02-01), Barr et al.
patent: 3893539 (1975-07-01), Mott-Smith
patent: 4168484 (1979-09-01), Wright
French et al, "Signature Measurement . . . Seismic Surface", 1978, pp. 631-638, OTC, vol. 2, Paper 3124.
Lauhaff et al, "Maintaining . . . Tuned Source Array", pp. 441-448, 5/5/77, OTC, vol. 1.
Newman et al, "Theory . . . Seismic Exploration", 1977, 47th Ann. Mtg., Calgory, Canada.
Ziolkowski, "A Method . . . Air Gun", 1970, pp. 137-161, Geophys. J. R. Astr. Soc., vol. 21.
Hatton Leslie
Haugland Tor-Arvid
Parkes Gregory E.
Ziolkowski Antoni M.
Moskowitz Nelson
The British National Oil Corporation
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