METHOD OF EMPLOYMENT OF GROUND HEAT AND EXTRACTION OF MINERALS IN AREA OF WEAKENED EARTH CRUST Russian patent published in 1996 - IPC

Abstract RU 2068530 C1

FIELD: production of hot steam in hot dry rock in area where no water is naturally supplied from earth surface. SUBSTANCE: hole lined with steel pipes is made at depth of from 13 to 30 km from continental lithosphere and coil water is pumped into it; having absorbed the heat from split rock, water is fed to earth surface through other hole made at some distance from first one; accumulated heat is used on surface or minerals are extracted from water. EFFECT: enhanced reliability. 5 cl

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RU 2 068 530 C1

Authors

Verner Foppe[De]

Dates

1996-10-27—Published

1990-09-10—Filed