PUMP PLANT FOR SIMULTANEOUS SEPARATE OPERATION OF TWO BEDS IN WELL Russian patent published in 2009 - IPC E21B43/14 

FIELD: oil industry.

SUBSTANCE: invention refers to oil producing industry, namely to well plants for simultaneous separate operation of several objects. Plant for operating two beds in the well, which are divided with a packer, consists of a flow column, a cable, a liner, an upper pump with upper drive for pumping the upper bed production out, which is enclosed in an upper casing with a side inlet channel, and lower pump which is electric submersible and has an electric motor and enclosed in lower casing. The casing is equipped with cable sealing element and connected from below through the liner to the space under the packer. Electric submersible pump outlet is connected to the upper casing connected from above to production tubing. Upper pump is screw-type. Lower casing encloses only electric motor and is connected from above to the inlet of electric submersible pump, the outlet of which is equipped with an additional valve.

EFFECT: simplifying the design and works regarding the assembly thereof, as well as providing the possibility of operation when oils are viscous.

1 dwg