GEOTHERMAL HEAT RECOVERY FROM HIGH-TEMPERATURE, LOW-PERMEABILITY GEOLOGIC FORMATIONS FOR POWER GENERATION USING CLOSED LOOP SYSTEMS

A method or apparatus that uses a fluid in a closed loop well system to extract heat from geothermal resources that are located in or near high-temperature, low-permeable geologic formations to produce power. In some embodiments, the closed loop system may include one or more heat exchange zones, wh...

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Bibliographische Detailangaben
Hauptverfasser:	SCHERER, Joseph, A, HIGGINS, Brian, S, EASTMAN, Alan, D, MUIR, Mark, P
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER SPRING, WEIGHT, INERTIA OR LIKE MOTORS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A method or apparatus that uses a fluid in a closed loop well system to extract heat from geothermal resources that are located in or near high-temperature, low-permeable geologic formations to produce power. In some embodiments, the closed loop system may include one or more heat exchange zones, where at least a portion of the one or more heat exchange zones may be disposed within a subterranean region having a temperature of at least 350øC. The subterranean region may be within a plastic zone or within 1000 meters of the plastic zone, the plastic zone having a temperature gradient of at least 80øC per kilometer depth.