DEVICE AND METHOD OF PASSIVE CONTROL OF FLUID MEDIUM IN WELL Russian patent published in 2015 - IPC E21B43/12 

Abstract RU 2540764 C2

FIELD: oil and gas industry.

SUBSTANCE: group of inventions relates to oil and gas industry and, in particular, to field of selective control of the flow of fluid mediums - fluids, entering the production string of the well. According to the method of fabrication of the device for control of fluid medium flow from the formation envisions the use of material with adaptive geometry and with open-cell structure. The flow control element is formed by injection into the openings the open-cell structure of the material with the adaptive geometry - hydrophilic polymer. The volume of hydrophilic polymer is provisioned to be enough for the flow control element to limit the flow of water, flowing through it. Hydrophilic polymer is placed in the openings the open-cell structure to limit the flow of water flowing through them. Meanwhile, the adhesion of hydrophilic polymer with the walls of cells of the material with the adaptive geometry is provided for.

EFFECT: limitation of water ingress into the hydrocarbons flow.

20 cl, 4 dwg

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RU 2 540 764 C2

Authors

Martin P. Koronado

Dates

2015-02-10Published

2010-08-13Filed