Apparatus for the production of seismic shocks

Details Apparatus for the production of seismic shocks Apparatus for the production of seismic shocks

1980-08-26

1982-03-02

Birmiel, Howard A.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181114, 181401, 150 1, G01V 1147

Patent

active

043175015

ABSTRACT:
A releasable heavy mass is provided which is capable of producing by impact with the ground a shock which can be used in seismic prospecting.
This mass is characterized by the fact that it comprises very many individual heavy elements connected together in a way loose enough to allow deformation of the mass without loss of cohesion on impact, and in that its base is of considerable area relative to the surface of the whole mass and is maintained substantially plane at least after release and up to impact. The mass is, in seismic prospecting, released from a helicopter.

REFERENCES:
patent: 3109473 (1963-11-01), Nourse et al.
patent: 3117606 (1964-01-01), Hastings
patent: 3130809 (1964-04-01), Flatow
patent: 3542151 (1970-11-01), Hamilton
patent: 3583521 (1971-06-01), Anstey
patent: 4124090 (1978-11-01), Reynolds et al.

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