System and method for utilizing oil and gas wells for geothermal power generation

a technology of geothermal power generation and wells, which is applied in the direction of heat pumps, lighting and heating apparatus, refrigeration components, etc., can solve the problems of large cost, unfavorable energy generation, and inability to meet the needs of customers, so as to facilitate the flow of heat, prevent backflow, and impede the flow of heat
US20150330670A1Inactive Publication Date: 2015-11-19WYNN JR RICHARD L
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
WYNN JR RICHARD L
Publication Date
2015-11-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method and system for extracting geothermal heat from a well is provided, wherein the well casing has positioned therein an inner pipe nested within an outer pipe. The space between the well casing and the outer pipe may be filled with an insulating medium. A liquid heat conducting material flows into and down through the inner pipe. The inner pipe may be fitted with a one-way valve so that the liquid heat conducting material does not reverse direction and flow upwards towards the surface. As the liquid heat conducting material approaches the bottom of the inner pipe, it enters into a heat exchanger, absorbs heat and transforms to its gaseous state. The gas rises upward through the space between the outer pipe and the inner pipe and into the electricity generating component.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority based upon prior U.S. Provisional Patent Application Ser. No. 61 / 994,186 filed May 16, 2014 in the name of Richard L. Wynn, Jr., entitled “SYSTEM AND METHOD FOR UTILIZING OIL AND GAS WELLS FOR GEOTHERMAL POWER GENERATION,” the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION

[0002] The present invention relates generally to the field of converting geothermal energy into electricity or other forms of work. More specifically, the present invention relates to capturing geothermal heat from deep within a drilled well and bringing this geothermal heat to the earth's surface to generate work, for example in the form of electricity, in an environmentally friendly process.

[0003] Wells that have been drilled for oil and gas exploration that are either depleted, or have never produced oil or gas, usually remain abandoned and / or unused and may eventually be filled. Such wells were crea...

Claims

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