Device for seismic exploration

Details Device for seismic exploration Device for seismic exploration

1989-10-23

1991-03-05

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Signal transducers

Towed land cables

367165, 367130, G01V 116, G01V 138

Patent

active

049982273

ABSTRACT:
A device for seismic exploration is in the form of a towed streamer. The streamer is easily managed, is very flexible and has a low weight so that it may be towed with moderate tractive forces. The streamer includes a cable with an inner core, one or more layers of insulated conductor pairs and an outer low-friction protective coating. Both the core and the outer low-friction protective layer are of an acoustically substantially inert material of low specific gravity. Seismic signals are obtained series connected gimbal-mounted geophones arranged in strings connected to the cable at positions spaced longitudinally thereof.

REFERENCES:
patent: 2923916 (1960-02-01), Woodworth
patent: 3786410 (1974-01-01), Hazelhurst
patent: 3866162 (1975-02-01), Florian
patent: 3954154 (1976-05-01), Kruppenbach et al.
patent: 4491939 (1985-01-01), Carpenter
patent: 4524436 (1985-06-01), Hall et al.
patent: 4649530 (1987-03-01), Porter
patent: 4685090 (1987-08-01), Krevor
patent: 4734891 (1988-03-01), McGowan

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