METHOD FOR OIL COLLECTION FROM UNDER ICE COVER OF WATER BODY Russian patent published in 2016 - IPC E02B15/04 E02B15/06 B63H1/22 B63H1/26 B63B35/32 

FIELD: oil and gas industry.

SUBSTANCE: method for oil collection from under ice cover of the water body includes localising stains of oil or oil product and further oil or oil product removal by pumping to the oil receiving tank, in the area of oil or oil product stain localisation a well is drilled in the ice cover, vortex with pumping unit is submerged to it through the stain area, a vortex funnel is created by vortex tube rotation in water under ice thus providing oil or oil product collection through it, oil or oil product pumping from the vortex funnel. Localisation of oil or oil product is performed under ice cover by an inflatable floating boom by means of its transportation by guided torpedos and/or underwater vehicles or by means of its placement through wells drilled along perimeter of oil or oil product stain. Floating booms are placed under ice in uninflated (flat) state, and then, upon placement, they are inflated. The area formed by the floating boom and ice cover is filled with hot air at the final stage of oil or oil product pumping.

EFFECT: higher efficiency of collection.

6 cl, 3 dwg