Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent
1980-05-21
1981-11-17
Birmiel, Howard A.
Acoustics
Geophysical or subsurface exploration
Seismic wave generation
181113, 181115, 367146, G01V 138
Patent
active
043006540
ABSTRACT:
A method is described for causing hollow glass spheres to implode on command while deep in the ocean, whereby to produce an acoustic pulse. Specific means for causing the spheres to implode are described. The invention is useful for seismic work.
REFERENCES:
"Hollow Glass Spheres Under Pressure in the Ocean", Raymond, IEEE Ocean 75, Sep. 1975, pp. 537-544.
"Implosions as Sources of Underwater Sound", Urick, U.S. Naval Ordinance Laboratory, Oct. 1963.
"The Ball Breaker, A Deep Water Bottom Signalling Device", Issacs et al, Journal of Marine Research, vol XI, No. 1, pp. 63-69, 1952.
"The Resistance of Hollow Glass Spheres Models to Underwater Explosions at Great Depths III, Spheres with Overlays", Naval Ordinance Laboratory, Heathcote, NOLTR66-78, May 1966.
"The Resistance of Hollow Glass Models to Underwater Explosions at Great Depths III, Special Configurations", Naval Ordinance Laboratory, Faux, NOLTR65-146, Oct. 1965.
Hayward Gary G.
Raymond Samuel O.
Benthos, Inc.
Birmiel Howard A.
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