California Geothermal Documents

Metadata Contact
The party to contact with questions about the metadata itself.
Organization Name: 
Arizona Geological Survey
Person Name: 
Diane Love
Street Address: 
416 W. Congress #100
City: 
Tucson
State/Province: 
AZ
Postal Code: 
85701
Country: 
United States of America
Phone: 
520 770-3500

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Published: Sunday, February 2, 2003 | XML Metadata
An industry-DOE cost-shared project is underway to evaluate the technical feasibility of developing an EGS power generation project on the eastern side of the Desert Peak geothermal field. Analysis...

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Published: Saturday, January 1, 2005 | XML Metadata
An industry-DOE cost-shared project is underway to evaluate the technical feasibility of developing an EGS power generation project on the eastern side of the Desert Peak geothermal field. An...

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Published: Monday, January 1, 1990 | XML Metadata
The purpose of this study was to verify quantitatively and to refine the conceptual hydrogeological model of the Mofete Geothermal field near Naples, Italy, using a numerical simulator. A three-...

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Published: Monday, January 1, 2001 | XML Metadata
Geothermal power generation and mineral extraction from geothermal brines are affected by chemical processes within the reservoir. Until recently, numerical simulation technology for geothermal...

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Published: Monday, January 1, 2001 | XML Metadata
The resource risk in connection with the financing of geothermal projects can be subdivided into questions of: resource existence, resource size, deliverability, cost of development and operation...

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Published: Tuesday, February 16, 1993 | XML Metadata
A numerical simulation model of The Geysers geothermal field, California, has been developed using reservoir and production data provided by UNOCAL, Calpine, NCPA and CCPA. The model was...

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Published: Monday, January 1, 2001 | XML Metadata
Under the premise that the behavior of enhanced geothermal systems (EGS) will be dominated by fracture flow, this paper reviews the special features that would be required of any practical...

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Published: Friday, January 1, 1993 | XML Metadata
This paper presents the results of a continuing study of geopressured resources in California. Three aspects of geopressured resources were examined in this study: the identification of...

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Published: Tuesday, January 1, 1991 | XML Metadata
Data collected since 1985 from test drilling, fluid sampling, and geologic and geophysical investigations provide a clearer definition of the hydrothermal system in Long Valley caldera than was...

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Published: Thursday, January 1, 2009 | XML Metadata
Many sedimentary formations, including some that contain oil or gas, may be hot enough to serve as commercial geothermal reservoirs. Unlike conventional geothermal reservoirs which generally occur in...

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Published: Friday, January 1, 2010 | XML Metadata
There are three types of petroleum wells potentially capable of supplying geothermal energy for electric power generation: (a) a producing oil or gas well with a water cut, (b) an oil or gas well...

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Published: Monday, January 1, 2007 | XML Metadata
This paper investigates the practical range of net power capacity available from conventional and Enhanced Geothermal System (“EGS”) wells as a function of temperature. For a geothermal resource...

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Published: Thursday, January 1, 2009 | XML Metadata
NCPA is the developer and operator of the second-largest power installation at The Geysers steam field in California, generating some 120 MW at the southern end of the reservoir using 68 production...

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Published: Sunday, January 1, 2006 | XML Metadata
Underground fluid injection is important to a geothermal project for a number of reasons: (i) to avoid any environmental impact arising from surface disposal, (ii) to provide pressure support to the...

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Published: Monday, January 1, 2007 | XML Metadata
This paper presents an evaluation of the cost of electric power from Enhanced Geothermal Systems (EGS), that is, reservoirs with sub-commercial permeability enhanced by hydraulic stimulation. The...

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Published: Saturday, January 1, 2005 | XML Metadata
This paper analyzes the sensitivity of the levelized cost of geothermal power to: (a) capital cost; (b) operations-d-maintenance (O&M) cost; (c) make-up well drilling cost; (d) resource...

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Published: Friday, January 1, 1999 | XML Metadata
Pressure decline within The Geysers geothermal reservoir has resulted in decreased power output from existing power plants. As a means of partially arresting these ,pressure declines, several field...

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Published: Monday, January 2, 1995 | XML Metadata
In the design of geothermal installations, the possibility of scale precipitation caused by silica over saturation has often been taken as a design constraint upon steam separation pressure. At...

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Published: Thursday, January 1, 2004 | XML Metadata
The U.S. Department of Interior has assigned to the US Geological Survey (USGS) the task of conducting an updated assessment of the geothermal resources in the United States. In that connection, we...

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Published: Friday, January 1, 1999 | XML Metadata
Pressure decline within The Geysers geothermal reservoir has resulted in decreased power output from existing power plants. As a means of partially arresting these ,pressure declines, several field...

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