PUMPING UNIT FOR SIMULTANEOUS-SEPARATE OPERATION OF TWO RESERVOIRS IN WELL Russian patent published in 2010 - IPC E21B43/14 

Abstract RU 2405924 C1

FIELD: oil and gas production.

SUBSTANCE: pumping unit for simultaneous-separate operation of two reservoirs in well comprises flow column, stem, main packer, tail with the main channel, inlet of which is connected to below-packer space, and two pumps, upper of which is arranged as sucker-rod one, and lower one - as electric submersible one. Inlet of plunger pump is communicated with above-packer space. Electric submersible pump is equipped with electric motor, cable and jacket, covering only electric motor and equipped with unit of cable sealing, which is arranged in inner module of pump. Jacket is connected to tail. Discharges of both pumps are communicated to flow column. Additional packet is installed above upper reservoir. Tail is equipped with additional channel, communicating inlet of electric submersible pump with packer side, and outlet of the main channel is communicated to above-packer space.

EFFECT: possibility to operate upper reservoir by electric submersible pump, and lower one - by sucker-rod pump.

1 dwg

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RU 2 405 924 C1

Authors

Garifov Kamil' Mansurovich

Ibragimov Nail' Gabdulbarievich

Fadeev Vladimir Gelievich

Akhmetvaliev Ramil' Nafisovich

Zabbarov Ruslan Gabdelrakibovich

Kadyrov Al'Bert Khamzeevich

Rakhmanov Ilgam Nukhovich

Glukhoded Aleksandr Vladimirovich

Balboshin Viktor Aleksandrovich

Voronin Nikolaj Anatol'Evich

Dates

2010-12-10Published

2010-01-11Filed