High-frequency borehole seismic source

Details High-frequency borehole seismic source High-frequency borehole seismic source

1992-10-20

1994-04-19

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

181113, G01V 1157

Patent

active

053052870

ABSTRACT:
An acoustic source for seismic exploration has a generally cylindrical tube ith spaced upper and lower closed ends. An insulated continuous conductor has a first portion with an exposed internal conductive end within the tube and a second portion extending therefrom through the upper end. A selectively closeable port is operably associated with the tube for permitting the tube to be filled and maintained filled with a conductive solution. A gas vent has a first open end within the tube adjacent the upper end and a second end exteriorly disposed of the tube.

REFERENCES:
patent: 2887604 (1959-05-01), Bodine, Jr. et al.
patent: 3428940 (1969-02-01), Huckabay
patent: 4105993 (1978-08-01), Grassy et al.

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