DOWNHOLE HEAT EXCHANGER FOR GEOTHERMAL POWER SYSTEMS

A geothermal power system includes a power generation unit and at least one production well coupled to the power generation unit. The at least one production well is positioned at least partially within a geothermal reservoir. The production well includes at least one wellbore with a wellbore wall....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RING, Lev M, SIMPKINS, Douglas, COOK, Robert Lance
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GEOTHERMAL COLLECTORS GEOTHERMAL SYSTEMS HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING RANGES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A geothermal power system includes a power generation unit and at least one production well coupled to the power generation unit. The at least one production well is positioned at least partially within a geothermal reservoir. The production well includes at least one wellbore with a wellbore wall. A first tubing is positioned within the at least one wellbore and defines a first annular flow path through the first tubing. A second tubing is positioned around the first tubing and defines a second annular flow path between the first tubing and the second tubing. A third annular flow path is between the second tubing and the wellbore wall. A production fluid may flow in the same direction as a working fluid through the production well. The working fluid is used to generate electricity with the power generation unit. The working fluid may be a liquid, gas, or supercritical fluid.