METHOD OF EXTRACTING GEOTHERMAL ENERGY OF SLIGHTLY PERMEABLE ROCK MASS Russian patent published in 2001 - IPC

Abstract RU 2173821 C1

FIELD: mining art; creation of geothermal circulating system for supply of heat to any object at any season. SUBSTANCE: method includes drilling at least two vertically inclined wells which intersect two families of cracks of hydraulic fracture. Upper and lower reservoirs are formed there. Cold water is fed through injection nozzle and heated water is raised through production well. Then heated water is fed to heat exchanger line. Prior to starting the circulation, opening of crack is increased by acting on said crack by high pressure. Part of water heated in upper reservoir is directed to lower reservoir. Said pair of water is determined by analytical formula. EFFECT: enhanced efficiency. 3 cl, 2 dwg

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RU 2 173 821 C1

Authors

Djad'Kin Ju.D.

Jaroshenko K.P.

Dates

2001-09-20Published

2000-02-01Filed