METHOD FOR DEVELOPMENT OF MULTIPLE-BED OIL DEPOSITS Russian patent published in 1998 - IPC

FIELD: oil production industry. SUBSTANCE: according to method, increased oil recovery from bed can be achieved by carrying out following procedure. Prior to performing isolation work in producing wells, effected is hydraulic isolation of high-permeable intervals of similar beds in injection wells by injecting suspension of rubber crumb on hydrocarbon base with subsequent vacuumizing of bed (beds) in perforation interval. After executing entire complex of operations in producing wells, they are also subjected to vacuumizing. EFFECT: higher efficiency. 1 tbl