Streamer steering
Three-wing eBirds provide lateral steering and depth control of GeoStreamer equipment on all TGS vessels. The eBird solution is built on an inline body and has three detachable wings (above). The snap-on/snap-off mechanism makes attachment/removal of wings an easy task both during streamer deployment/retrieval and work-boat maintenance. eBird bodies remain on the GeoStreamer when reeled onto the vessel, and wings are easily stowed on the back deck.

eBirds Enable Control of Receiver Positions

Tri-wing eBirds, integrated in the GeoStreamer, enable depth and lateral steering control with minimal drag. Safety is improved, positioning is more accurate, and reservoir monitoring is more repeatable.

Streamer fanning can minimize infill during acquisition. Other benefits include improved safety during deployment, retrieval, and in-sea maintenance. 

This Kongsberg eBird is specially designed for the GeoStreamer and offers effective lateral steering and depth control of seismic streamers with a minimum of additional acoustic noise. This uniform three-wing solution and the built-in controller also provide full roll control capabilities, with eBirds mounted every 300 m along the streamers. Feather correction achievable is typically two to three degrees.

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