scheme

Classification of Geothermal Systems - A Possible Scheme

Basic Information
Author: 
Sanyal, S.K.
Description: 
At the request of the United States Department of Energy, the author was asked by the Geothermal Energy Association (Washington, D.C.) to prepare a white paper on the subject (in connection with a new national assessment of geothermal resources). This paper offers a possible scheme in which geothermal resources are classified into seven categories based on temperature: non-electrical grade (<100°C), verylow temperature (100°C to <150°C), low temperature (150°C to 190°C), moderate temperature (190°C to <230°C), high temperature (230°C to <300°C), ultrahigh temperature (>300°C), and steam fields (approximately 240°C with steam as the only mobile phase). In the first four classes, liquid water is the mobile phase in the reservoir; in the “high” and “ultra-high” temperature reservoirs, the mobile fluid phase is either liquid or a liquid-vapor mixture.
Publication Date: 
Sunday, January 2, 2005
Resource Language: 
English
Intelectual Originator Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Resource Information
Access Statement: 
Abstract available online at http://www.geothermex.com/files/Sanyal_2005-6.pdf For a copy of this paper please e-mail us at mw@geothermex.com
Resource Distribution Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Geographic Extent
North bounding latitude: 
41.9864
South bounding latitude: 
31.6
West bounding longitude: 
-124.629
East bounding longitude: 
-113.906
Previous Citation
Bibliographic Citation: 
Subir K. Sanya, 2005. Classification of Geothermal Systems - A Possible Scheme. GeothermEx, Inc., Richmond, California.
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