Seismic exploration system for ice covered areas

Details Seismic exploration system for ice covered areas Seismic exploration system for ice covered areas

1976-10-12

1979-02-13

Birmiel, Howard A.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181110, 181114, G01V 138

Patent

active

041390741

ABSTRACT:
Seismic exploration method in arctic regions involving the generation of a seismic disturbance in the water beneath the ice in areas where conventional marine and land exploration methods are functionally inadequate. Seismic disturbances are generated by an air gun assembly which automatically executes lowering air guns through apertures in the ice and retrieving them while carrying out preventive measures against freeze-ups. Seismic sensing and recording equipment are positioned within an appropriate range to detect seismic data in the form of reflective or diffractive signals generated in response to the seismic disturbance after actuating the air gun array, wherein the seismic data is indicative of sub-surface structural formations existing below the body of water.

REFERENCES:
patent: 3623570 (1971-11-01), Holloway
patent: 4016951 (1977-04-01), Dick et al.

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