Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1988-12-09
1990-09-11
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
181110, 181115, 181118, 114253, 367144, G01V 138
Patent
active
049568221
ABSTRACT:
A towable marine seismic source apparatus for producing a high resolution seismic signal at relatively shallow depths for engineering surveys is disclosed. The apparatus support frame operably mounts a plurality of eight identical chambered air guns in a 2.times.4.times.2 configuration to provide a tapered, heavy centered point source. The cylindrical air guns are positioned in a horizontal orientation at a predetermined depth of 1 to 3 meters and are synchronized to fire substantially simultaneously to achieve maximum peak energy output. Two chamber sizes of individual air guns (4 cu. in. & 10 cu. in.) are in a desired range and may be preferably employed in the array configuration to produce the seismic signal having distinct signature characteristics.
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Barber Harold P.
Lee Clyde
Ruckman Paul J.
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