Vibrator for seismic geophysical prospecting

Details Vibrator for seismic geophysical prospecting Vibrator for seismic geophysical prospecting

1982-09-28

1987-04-21

Cangialosi, Salvatore

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

367189, 25112905, 25112908, 181401, G01V 1133, G01V 102

Patent

active

046589309

ABSTRACT:
An improved vibrator system for seismic geophysical prospecting, comprising a sealed chamber having two parts which reciprocate axially with respect to each other providing a sealed space between the two parts. One part connected to a baseplate, the other part connected to a reaction mass. Means for injecting into the sealed space a pulsating flow of high pressure fluid in response to which the two parts will vibrate with respect to each other. At least a single output opening comprising a valve, the cross-sectional area of which is a function of the displacement between the two parts of the vibrator.

REFERENCES:
patent: 3106982 (1963-10-01), Wade
patent: 3283846 (1966-11-01), Lindall et al.
patent: 3789951 (1974-02-01), Silverman
patent: 3860087 (1975-01-01), Silverman
patent: 3983957 (1976-10-01), Silverman
patent: 4492285 (1985-01-01), Fair et al.

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