SYSTEM AND METHOD FOR EXTRACTING ENERGY

A method and apparatus for efficiently extracting geothermal energy from a subterranean thermal reservoir through a wellbore where the heat exchange fluid is introduced at a slower velocity than the velocity at which the fluid is extracted. The method and apparatus further comprises a gas zone near...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LOVEDAY, RON L, MUELLER, J. PAUL, JR
Format:	Patent
Sprache:	eng ; fre
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 RANGES SPRING, WEIGHT, INERTIA OR LIKE MOTORS VENTILATING WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A method and apparatus for efficiently extracting geothermal energy from a subterranean thermal reservoir through a wellbore where the heat exchange fluid is introduced at a slower velocity than the velocity at which the fluid is extracted. The method and apparatus further comprises a gas zone near the top of the wellbore to reduce heat losses of the heat exchange fluid. A portion of the casing of the wellbore can directly contact the subterranean environment for improved thermal conductivity. Alternatively, a thermally conductive wall comprising a thermally conductive material can surround a potion of the casing of the wellbore. Further, the inner and/or outer surface of the pipes and conduits of the disclosed method and apparatus can include features that enhance the surface areas for improved heat transfer efficiency.