Geothermal heat transfer and intensification system and method
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United States of America Patent
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Apr 16, 2013
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Jul 23, 2010
filing date -
Jul 23, 2009
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Abstract
This invention uses an innovative closed-loop steam cycle with a primary geothermal boiler and a recirculating arrangement to deliver a portion of the enthalpy of that produced steam as a higher temperature and pressure steam to the surface. The geothermal boiler operates at as low a pressure as needed to boil water using heat from relatively low-temperature geologic formations typically found in abandoned oil wells. This system can be deployed in such well bores to extract geothermal energy either as a stand-alone enterprise or in conjunction with tertiary oil recovery efforts. The geothermally-boiled steam provides most or all of the energy to power the process. It is the ability of this system to extract useful heat from below atmospheric boiling temperature heat sources that offers its greatest potential.
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