Arrangement for deployment of seismic cables

Details Arrangement for deployment of seismic cables Arrangement for deployment of seismic cables

G - Physics

01

V

114/46.6

G01V 1/38 (2006.01) B63B 21/66 (2006.01)

Patent

CA 1300436

Abstract An arrangement for deployment and tow- ing of a plurality of seismic cables in parallel and at a mutual dist- ance behind a vessel. The seismic cables are wound on winch barrels , and are provided with an inner cable member which forms a connect- ion with the vessel during towing operations, and is, additionally, provided with a paravane/control means to guide and maintain the cable laterally in relation to the towing vessel . In order to achieve reliable and simple deployment and towing of the seismic cables , if desired, at a large distance laterally in relation to the center line of the vessel, the inner cable member runs through at least one guide pulley means that is suspended from a line that is adjustable in length from the vessel, and is, preferably extended over a derrick means pro- jecting from the vessel. Guide pulley means can be hauled in and paid out from the vessel, at the same time as inner cable member can be let out to a greater length from the vessel.

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