ACCUMULATOR-STORAGE FOR OIL AND OIL PRODUCTS Russian patent published in 2002 - IPC

FIELD: storage vessels in natural grounds, applicable in construction of technogenic barrier restricting spread in grounds of oil and oil products in their recovery, storage and processing. SUBSTANCE: accumulator-storage for oil and oil products is made in form of foundation pit with insulating layer of clay and layer of fine-grained hydrophilic quartz sand located on foundation pit walls and bottom. Foundation pit is filled with coarse hydrophobic polymict sand and provided with pipes for pumping of water and oil. Insulating layer is used in form of montmorillonite clay with pores sizing less than 0.01 mm. Foundation pit is banked over its perimeter. Located on coarse-grained polymict sand are vessels for oil and oil products. Foundation pit may be made round well for oil recovery. EFFECT: prevented contamination of environment and accumulation and use of spilled oil and oil products. 5 cl, 1 dwg