ADAPTIVE THROTTLE-LIMITING FILTERING CHAMBER OF WELL COMPLETION SYSTEM Russian patent published in 2013 - IPC E21B43/12 

Abstract RU 2490435 C1

FIELD: oil and gas industry.

SUBSTANCE: device contains a spherical body with at least one segment containing at least one section of throttle joints and one limiting. Stream is fed to the segment from the butt end, through side channels. Each input unit can be covered by a roller gate of the plug with thread which is input through the chamber body.

EFFECT: increasing oil recovery of the formation.

12 cl, 1 dwg

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RU 2 490 435 C1

Authors

Zhuravlev Oleg Nikolaevich

Shishov Andrej Vladimirovich

Dates

2013-08-20Published

2012-02-14Filed