Gel-filled seismic streamer cable

Details Gel-filled seismic streamer cable Gel-filled seismic streamer cable

2005-04-12

2005-04-12

Pihulic, Daniel (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

Reexamination Certificate

active

06879546

ABSTRACT:
A gel-filled seismic streamer containing a hydrophone housing which isolates a hydrophone element from shear waves and mechanical forces but sensitive to pressure waves. In one embodiment, the gel-filled streamers contains a hydrophone housing with an air pocket at each end for isolating a pressure sensitive hydrophone element from mechanical noise generated by cable movement during seismic data acquisition operations. The hydrophone housing further provides and a protective case to isolate a pressure-sensitive hydrophone element from shear waves. An inlet formed in the protective hydrophone housing enables pressure waves to be communicated to the pressure sensitive hydrophone element inside of the housing. An alternative hydrophone housing for deployment inside of a streamer is also disclosed which fixably positions a positioning hydrophone or seismic hydrophone within the housing using rubber supports.

REFERENCES:
patent: 4163206 (1979-07-01), Hall, Jr.
patent: 5745436 (1998-04-01), Bittleston
patent: 6477111 (2002-11-01), Lunde et al.
patent: 6570821 (2003-05-01), Moresco
patent: 20040017731 (2004-01-01), Halvorsen et al.
patent: 2 800 880 (2001-05-01), None
patent: 2149916 (1985-06-01), None

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