FIELD: oil and gas industry.
SUBSTANCE: extraction is carried out by means of equipment having temperature exceeding melting point of bitumen, but below the flash point, which provides local heating at the boundary of the extracted bitumen fragment, causing bitumen compound to have state which is suitable for gripping and extracting thereof, with subsequent movement of the extracted fragment into the container.
EFFECT: invention allows complete discharge of radioactive bitumen compound from storage without use of pump and high-power equipment.
3 cl, 2 dwg
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