Oil fill procedure for seismic marine streamer

Details Oil fill procedure for seismic marine streamer Oil fill procedure for seismic marine streamer

1989-05-11

1990-08-21

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367154, 367176, 1741015, G01V 100

Patent

active

049512650

ABSTRACT:
A method for reducing signal degradation in a foam covered hydrophone used in seismic marine streamers. Said method comprises purging the foam streamer body with a fluid which is at least partially miscible with an oil used to fill said foam body. Thereafter, said foam body is filled with oil by gravity-assistance. Said method substantially removes air trapped in said foam body thereby reducing said signal degradation. Fluids, which can be utilized include butane, carbon dioxide, and fluorocarbons.

REFERENCES:
patent: 3615959 (1971-10-01), Nance
patent: 3888710 (1975-06-01), Burk
patent: 3900543 (1975-08-01), Davis
patent: 4733379 (1988-03-01), Lopetina et al.
Litton Resources Systems, LRS.-500 Streamer Cables Brochure, Litton Resource (1981) p. 1-7.

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