FIELD: physics, navigation.
SUBSTANCE: invention relates to seismic survey of underwater oil and gas deposits in Arctic seas. Disclosed is a vessel having a design which combines the advantages of a surface ship (high level of habitability, safety and a large deck area which enables maintenance and repair of seismic survey equipment) and advantages of a multipurpose underwater station, particularly use of hydroacoustic emitters and seismic cables towed in water under ice for 2D seismic survey. The towed seismic cables and hydroacoustic emitters are released using extensible structures mounted in vertical shafts in the bottom part of the vessel outside the ice region.
EFFECT: high reliability of seismic survey in ice conditions, reduced negative impact of seismic survey on the environment and marine ecology.
4 cl, 1 dwg
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