SUPPLEMENTAL HEATING FOR GEOTHERMAL ENERGY SYSTEM
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United States of America Patent
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Aug 19, 2009
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Aug 19, 2009
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Abstract
Extracting energy from a naturally-occurring underground hot rock formation includes enabling fluid to flow, at least partially under the influence of gravity, through a fluid injection well to the hot rock formation, converting the kinetic energy of the flowing fluid into electricity, using at least a portion of the generated electricity to preheat the fluid before it reaches the hot rock formation, heating the fluid with the hot rock formation and, subsequently, extracting energy from the heated fluid for use in connection with an application.
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