Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1990-11-29
1992-02-18
Lobo, Ian J.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 13, 367 78, G01V 122
Patent
active
050899953
ABSTRACT:
A seismic recording system comprises a multichannel recorder connected to a cable formed from a plurality of signal conductors. Each of the signal conductors is connected to a different channel of the recorder. The cable has a plurality of takeouts located at spaced distances along its length. Each of the takeouts is connected to a different signal conductor of the cable. The system further includes a first conduit operably connected to one of the takeouts. A plurality of remotely operable switch means are located along the length of the first conduit for selectively interconnecting the first conduit and a plurality of detector conduits upon receipt of a remotely generated signal. Each detector conduit has at least one geophone located along its length and operably connected thereto. A control means is provided for transmitting a signal to a selected switch means for interconnecting its associated detector conduit and geophones with the recorder.
REFERENCES:
patent: 3400782 (1968-09-01), Green
patent: 4280201 (1981-07-01), Mart et al.
patent: 4283778 (1981-08-01), Meyer et al.
patent: 4308598 (1981-12-01), Mahmood
DeLarvin Clark E.
Lobo Ian J.
Union Oil Company of California
Wirzbicki Gregory F.
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