PROCEDURE AND DEVICE FOR EXTRACTING HYDROCARBON SUBSTANCE FROM UNDERGROUND DEPOSIT AND FOR REDUCING SUBSTANCE VISCOCITY Russian patent published in 2011 - IPC E21B43/24 

Abstract RU 2414592 C1

FIELD: gas-and-oil producing industry.

SUBSTANCE: procedure implements at least one pressure pipeline entering deposit and at least one production pipeline going out deposit. Also, pressure and production pipelines have an initial section partially passing along ground and active sections passing inside the deposit and adjoining the initial section. There is an active section of the pressure pipeline performing both inductive and resistive actions for heating an active section of space in the deposit. There are performed a stage of heating and a stage of production following the stage of heating in time. Hot steam is supplied into the pressure and production pipelines during the stage of heating. Space surrounding active sections in the deposit is additionally heated by means of resistive heating. During the operation stage hot steam is supplied into the pressure pipeline only. Space surrounding the active part is additionally heated by means of inductive heating. The device for implementation of this procedure is equipped with corresponding facilities. A well pair consisting of pressure and production pipelines can be made as electrodes.

EFFECT: raised efficiency of procedure and reliability of device operation.

17 cl, 13 dwg

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RU 2 414 592 C1

Authors

Dil' Dirk

Khuber Norbert

Kramer Khans-Peter

Dates

2011-03-20Published

2008-02-01Filed