SUPERHIGH VISCOSITY OIL WITH AQUIFERS DEPOSIT DEVELOPMENT METHOD Russian patent published in 2019 - IPC E21B43/24 E21B7/04 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the oil industry and, in particular, to the high-viscosity oil and / or bitumen production thermal methods in the presence of aquifers or water-oil contact. High-viscosity oil deposits with aquifers development method includes the horizontal production and located above injection wells construction with located in the wells horizontal sections the tail filters installation, isolation of aquifers, the displacing agent with specific weight below the formation water specific gravity injection into the upper well and the products taking from the lower well. As the working agent the steam is used. With the deposit products watering above the profitability level, performing the lower well with aquifers horizontal section isolation. After that, from the section above isolation interval the additional horizontal section construction is carried out located above the upper well horizontal section for 5±1 m. Located above the another well corresponding section additional horizontal section is equipped with the tail filter, through which the steam injection is performed. Deposit products development is performed from the another well lower horizontal section.

EFFECT: ability to reanimate drilled in poor geological conditions well without the need to use complex chemicals to isolate aquifers.

1 cl, 1 dwg, 1 ex