Current impulse method and apparatus for testing geophone string

Details Current impulse method and apparatus for testing geophone string Current impulse method and apparatus for testing geophone string

1980-07-11

1983-07-05

Cangialosi, Sal

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

73 10V, G01V 116

Patent

active

043922139

ABSTRACT:
A method and apparatus for testing geophones to measure the response of the geophones and associated circuits and obtain a signal that can be used to deconvolve recorded seismic data. The method comprises applying a constant voltage or current to the geophones, removing the voltage or current and measuring the geophone response. The second derivative of the response is the time equivalent of the velocity response of the geophone and can be used in deconvolving recorded seismic data.

REFERENCES:
patent: 3858169 (1974-12-01), Bardeen
patent: 4003018 (1977-01-01), McCormick
patent: 4043175 (1977-08-01), Fredriksson et al.
patent: 4233677 (1980-11-01), Brown
"System Aids Field Testing of Geophones", Convert et al, Oil & Gas Journal, Nov. 5, 1978, p. 88.

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