Hydrophone module for a marine seismic cable

Details Hydrophone module for a marine seismic cable Hydrophone module for a marine seismic cable

1997-01-17

1998-08-18

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367154, 367159, G01V 100

Patent

active

057966761

ABSTRACT:
A low-profile hydrophone module for a marine seismic system includes a block having a curved surface and a receiving surface in which an open cavity is disposed, a hydrophone assembly, to which lead wires attach, disposed in the cavity, lead wires which pass out of the cavity, and a sound-transmitting material which fills the cavity. In another feature, the hydrophone assembly includes a hydrophone and a baffle material, the baffle material enclosing the hydrophone, the cavity is sealed around the lead wires, the sound-transmitting material is oil, and a cover sealingly affixes over the cavity. In another feature, the hydrophone assembly includes a hydrophone and a frame, the cavity is sealed around the lead wires, the sound-transmitting material is a potting sealant, and a cover sealingly affixes over the cavity.

REFERENCES:
patent: 3675193 (1972-07-01), Davis
patent: 4300218 (1981-11-01), Kruka et al.
patent: 4491939 (1985-01-01), Carpenter
patent: 4689777 (1987-08-01), Roever
patent: 4818822 (1989-04-01), Yahraus
patent: 4920523 (1990-04-01), Kruka et al.
patent: 5521885 (1996-05-01), Harvey
patent: 5600608 (1997-02-01), Weiss et al.

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