WELL OPERATION METHOD Russian patent published in 2011 - IPC E21B43/18 

Abstract RU 2425963 C1

FIELD: oil and gas industry.

SUBSTANCE: according to the method the tubing string with electric centrifugal pump is lowered to the well and liquid is extracted from well during well operation. Tubing string is equipped with packer arranged above pump, and pump is replaced with pump having higher head. Tubing string is lowered to the well through the depth corresponding to height of liquid column, which is lifted with replaced pump. Packer is installed and liquid is removed from under packer.

EFFECT: reducing water content in extracted products.

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RU 2 425 963 C1

Authors

Ibragimov Nail' Gabdulbarievich

Kormishin Evgenij Grigor'Evich

Isakov Vladimir Sergeevich

Torikova Ljubov' Ivanovna

Dates

2011-08-10Published

2010-08-30Filed