Sercel has launched SeaRay, a new data acquisition system specifically designed for redeployable, cost-effective four-component (4-C) seabed seismic acquisition in water depths down to 985 ft (300 m). An optional smaller and lighter cable has also been designed to permit full operational capability in water depths of less than 300 ft (91 m) where smaller and shallower draft vessels are commonly deployed.
The SeaRay data acquisition system is designed for redeployable, cost-effective 4-C seabed seismic acquisition in water depths down to 985 ft (300 m). (Image courtesy of Sercel) |
By use of MEMS (Micro Electro Mechanical System) sensor technology, SeaRay provides broader bandwidth, lower distortion and extended dynamic range compared with older systems. The low-frequency response of the sensor unit is much better than that of typical fixed or gimbaled geophone systems (resonant frequencies ~14 Hz or 10 Hz, respectively) and, hence, is ideally matched to the low-frequency requirements of many surveys that are being acquired for very deep objectives, for example, subsalt imaging in the Gulf of Mexico.
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