Equipment & Software for Geophysical Surveys: Design, Manufacture, Support, Supply

Front and tail buoys

Price : on request
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Modern ultra-high resolution marine seismic surveys provide high-density spatial coverage with up to 0.5 m bin size. Such surveys require accurate positioning of the source-receiver spread to achieve desired resolution.    

Front and tail buoys is a crucial part of 2D and 3D high-resolution marine seismic surveys, as they provide high accuracy control of streamer position, its towing depth and steering.

GEODEVICE manufacture robust and easy-to-use buoys, equipped with water-resistant GNSS housing, suitable for installation of various constellation systems. GNSS receiver uses radio mode for wireless communication with onboard station and can operate autonomously for up to 10 days.

GPS receivers placed on front and tail buoys enable highly accurate hydrophone positioning, allowing for real-time streamer positioning and coverage control using incoming GPS data.

Special wings on the buoy's underwater structure help keep the spread in the desired direction.

The streamer fasteners, placed every 10 cm, keep the receiver cable at a pre-determined towing depth, allowing for the easy implementation of constant or slanted acquisition techniques using the buoys.

Materials

Stainless steel and polymer

Dimensions

1200х300х2000mm

Weight

30 kg

Satellite signals

GPS L1C/A, L2C; GLONASS L1OF, L2OF; Galileo E1B/C, E5b; BeiDou B1I, B2I; QZSS L1C/A, L1S, L2C

SBAS signal reception

WAAS, EGNOS, MSAS, GAGAN, SDCM

Communication with onboard GNSS receiver

Wired or radio

Autonomy in radio mode

10 days

RTK mode

RTK rover

Offline position logging

Yes