NORSK HYDRO METHOD SPEEDS ARCTIC SEISMIC

Norway's Norsk Hydro AS has successfully tested a technique to speed seismic surveys over snow and ice. Tests were conducted in the Soviet Union on the system, known as a snow streamer. The system closely resembles streamer systems used offshore. But instead of being towed behind a seismic vessel, the snow streamer is towed over ice by a specially equipped snow vehicle. The unit stops, fires a charge, and records data before moving on to the next point.

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