UNIT FOR DUAL BED OPERATION IN ONE CHINK Russian patent published in 2010 - IPC E21B43/00 E21B17/10 E21B47/01 F04B47/02 

Abstract RU 2387809 C1

FIELD: oil and gas industry.

SUBSTANCE: invention refers to oil industry and can be applied in dual operation of two beds in the same well. The unit comprises a power drive, a driving element, a packer and fluid lifting lines with parallel tubing string columns lowered in the well. The unit accommodates a parallel anchor with apertures for cables and tubing string columns, eccentric guides fixed by centering clips on auxiliary branch built in the long tubing string column, bottomhole apparatuses connected to cables and arranged above and below the packer. Each guide has apertures for the cables and an aperture with the top deepened inside in the form of a funnel for the short tubing string column.

EFFECT: invention ensures coupling of the short tubing string column with the parallel anchor and prevents damage of cables.

3 dwg

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RU 2 387 809 C1

Authors

Khisamov Rais Salikhovich

Shafigullin Rinat Il'Dusovich

Islamov Renal' Rifkatovich

Vakhitov Il'Shat Damirovich

Zhelonkin Aleksandr Leonidovich

Sablin Igor' Georgievich

Bikchurin Ramil' Faritovich

Dates

2010-04-27Published

2009-06-23Filed