Patent ID: 8462581
Filing Date: 2013-06-11
Classification: G01V

Abstract:
1. A marine survey system comprising: at least one group of seismic source array units towed by a vessel, each of said units having a front end, leads-in between which said group of seismic source array units is towed, at least two of the leads-in being deflected, at least one deflection line coupling the source array units to said an adjacent lead-in, said adjacent lead-in being a deflected lead-in or a lead-in connected to at least one of said deflection leads-in, a capstan on which said deflection line is engaged, said capstan being rotatable in a first or a second direction to adjust the position of the group of seismic source array units wherein the deflection line is connected to one of the seismic source array units and the capstan is arranged on the front end of said unit to which the deflection line is connected, said deflection line extending from said unit to the adjacent lead-in and back to said capstan arranged on the front end of said unit.