Patent ID: 9442210
Filing Date: 2016-09-13
CPC Classification: G01V

Claim Text:
1. A system for multi-cable towing comprising: a plurality of source cables coupled to a survey vessel; a plurality of energy sources, wherein each of the energy sources is coupled to a respective one of the source cables; a plurality of spreader lines extending between the source cables; and a plurality of open collars coupling the spreader lines to the source cables, wherein each of the open collars comprises: a through passageway, wherein the through passageway comprises a first end and a second end, wherein a corresponding one of the source cables extends through the through passageway from the first end to the second end, an exterior wall disposed around the through passageway, and an opening in the exterior wall that divides the exterior wall from the first end to the second end, and wherein the opening is flared at the first end and at the second end.