Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1996-06-26
1998-11-10
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367106, G01V 120, G01V 136, B03B 2156
Patent
active
058354506
ABSTRACT:
A system for transmitting signals between a plurality of towed sensor streamers and a seismic vessel, the system comprising: a plurality of seismic streamers, wherein each streamer of the plurality of seismic streamers comprises: a leading end, a trailing end, a plurality of sensors located therein and a transmitter of seismic signals received by the plurality of sensors to a terminal located in the leading end of the streamer; at least one spreader located between the leading ends of two streamers of the plurality of seismic streamers, the spreader comprising: connectors for connection to the terminals of the streamers, a spreader terminal, and a spreader transmitter of signals between the connectors and the spreader terminal; a lead-in having a lead-in connector for connecting to the spreader terminal and a transmitter of signals between the lead-in connector and the seismic vessel. A seismic streamer system comprising: a lead-in, and multiple streamers; wherein the multiple streamers are signal-connected to the lead-in, and wherein at least two of the streamers are signal-connected by at least one spreader. A process comprising: transmitting signals between at least two streamers of a plurality of streamers; transmitting signals between a first lead-in and the plurality of streamers; and transmitting signals between the first lead-in and the vessel. A process comprising: transmitting signals between each streamer of the plurality of streamers and a spreader bus; transmitting signals between the spreader bus and at least one lead-in, wherein the number of streamers of the plurality of streamers is greater than the number of lead-ins; and transmitting signals through at least one lead-in to the vessel.
REFERENCES:
patent: 2465696 (1949-03-01), Pasley
patent: 3414874 (1968-12-01), McLoad
patent: 4727956 (1988-03-01), Henzler
patent: 4798156 (1989-01-01), Langelard et al.
patent: 4862422 (1989-08-01), Brac
patent: 4958331 (1990-09-01), Wardle
patent: 5532975 (1996-07-01), Elhalen
Arnold Gordon T.
Moskowitz Nelson
PGS Exploration AS
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