Seismic data gathering cable

Details Seismic data gathering cable Seismic data gathering cable

1982-07-07

1985-06-11

Cangialosi, Sal

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367152, 367177, 339151C, G01V 116

Patent

active

045233039

ABSTRACT:
A seismic data gathering system includes a seismic cable having a plurality of cable sections, each including a seismic detector and a pair of signal lines for carrying the seismic energy signals produced by the detector in response to seismic energy waves. A shunting resistance is located in each cable section with one end connected to one of the pair of signal lines and the other end connected through a mating connector to the other of the pair of signal lines in the next succeeding cable section so that a shunting resistance is added to the seismic cable each time a detector is added to the seismic cable. In this manner the electrical damping of each seismic detector remains constant when the seismic cable is coupled to a data acquisition unit regardless of the number of detectors included within the seismic cable.

REFERENCES:
patent: 2732534 (1956-01-01), Giel
patent: 3863200 (1975-01-01), Miller

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