OIL PRODUCT STORAGE RESERVOIR Russian patent published in 2003 - IPC

FIELD: underground storages. SUBSTANCE: invention relates to reservoirs designed for storing different kinds of fuel. Proposed reservoir for oil products has two cylindrical containers, one nested with the other, with formation of space between walls. Inner container is divided into hermetic chambers made with clearance relative to each other. Each chamber is provided with at least one hatch with detachable cover. Bottoms of chambers are welded to walls. Chambers are interconnected by straps, and bottoms of chambers are connected with walls by means of two-side lap weld. On inner surface of chambers rods are wound in spiral and secured by welding. EFFECT: improved reliability of reservoir in service, reduced labor input in manufacture and materials usage. 3 dwg