mdn2000
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- #21
Hopefully I did this right, here is Old Crock's post from "Oregon the welfare state". I appreciate when others point out the failures of Green Energy
http://www.usmessageboard.com/newreply.php?do=newreply&p=3135878
http://www.usmessageboard.com/newreply.php?do=newreply&p=3135878
http://www.geothermal.org/articles/California.pdf
Coso Geothermal Field
Located within the China Lake U.S. Naval Air Weapons Station near Ridgecrest, CA, power plants at the Coso Geothermal Field are currently operated by Caithness Energy, LLC (Reno, NV). The
field’s reservoir is in a Mesozoic granitic/metamorphic complex underlying the Quaternary Coso Volcanic Field. It currently produces 270 MW from four geothermal power plants. More than 100
wells have been drilled throughout the field, with production depths from 2,000 to 12,000 feet, and temperatures from 200° to 350°C. Coso began generating electricity in 1987. Since then, improvements
have resulted in more efficient use of the resource.
Together with an annual drilling program, these improvements have helped keep the geothermal field producing far above its contract capacity of 210 MW. Future improvements to the field’s injection system, injection augmentation, and relocation of injection fluids to mine heat from the margins of the resource (where there are high temperatures and low permeability) will help sustain the Coso resource
well into the future.
The latter effort is the subject of a DOEsponsored multidisciplinary study led by the University of Utah’s
Energy and Geosciences Institute. For more information on the Coso Geothermal Field and its power operations, refer to “Model for Success,” on page 186 of this issue of the GRC Bulletin.