Device for water inflow detection inside a seismic streamer

Details Device for water inflow detection inside a seismic streamer Device for water inflow detection inside a seismic streamer

1982-07-02

1985-03-05

Wilbur, Maynard R.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

324 51, 367 13, G01V 138, G01R 3102

Patent

active

045035261

ABSTRACT:
Water inflow inside a seismic streamer may create parasitic electric connections between lines supplying current to the electronic devices of the streamer and lines transmitting seismic informations, thus damaging the electronic apparatus and making these informations inaccurate. In accordance with the invention streamer sections including sections of supply lines and transmission lines are provided with water inflow detection assemblies, each comprising a closed circuit element surrounding the supply lines, a conducting line connected to a DC voltage generator, and means for detecting any DC voltage therebetween resulting from parasitic connections between the supply lines and the closed circuit element, created by a water inflow.

REFERENCES:
patent: 3351898 (1967-11-01), Romberg
patent: 3858114 (1974-12-01), Voellmin et al.
patent: 4366561 (1982-12-01), Klein

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