FLOW RESTRICTION CONTROL SYSTEM FOR USE IN SUBSURFACE WELL Russian patent published in 2014 - IPC E21B43/12 E21B43/32 

Abstract RU 2530818 C1

FIELD: oil and gas industry.

SUBSTANCE: according to the first alternative a flow resistance control system includes a cyclone through which multicomponent fluid flows and the cyclone input is coupled to the cyclone chamber with at least two channels. Flow resistance of the multicomponent fluid passing through the cyclone depends on rotational intensity of the multicomponent fluid at the cyclone input. According to the second alternative a flow resistance control system includes the first cyclone with input and the second cyclone receiving the multicomponent fluid from the first cyclone input through the input coupled to a cyclone chamber with at least two channels. Flow resistance of the multicomponent fluid passing through the second cyclone depends on rotational intensity of the multicomponent fluid at the first cyclone input.

EFFECT: effective control of fluids flow.

10 cl, 6 dwg

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RU 2 530 818 C1

Authors

Dikstra Dzhejson D.

Dates

2014-10-10Published

2011-08-24Filed