Narrow band magnetostrictive acoustic source

Details Narrow band magnetostrictive acoustic source Narrow band magnetostrictive acoustic source

1992-10-09

1993-08-24

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

G01V 100

Patent

active

052395146

ABSTRACT:
A downhole seismic source for producing seismic waves in the 0.2-5 KHz frequency with a bandwidth of between 5 and 50 Hz is formed from a magnetostrictive bar with undamped end weights.

REFERENCES:
patent: 4525645 (1985-06-01), Shirley et al.
patent: 4682308 (1987-07-01), Chung
patent: 4685091 (1987-08-01), Chung et al.

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