Unocal drilled a total of 39 temperature gradient wells and Grace Geothermal Corporation drilled 13, Unocal's wells were 76 m deep and Grace Geothermal's were 152 m deep

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Journal Article: Unocal drilled a total of 39 temperature gradient wells and Grace Geothermal Corporation drilled 13, Unocal's wells were 76 m deep and Grace Geothermal's were 152 m deep

Abstract
The Brawley Geothermal Field was originally developed by Unocal. In addition to drilling geothermal wells, this development included building and operating a 10 MWe power plant.Corrosion and scaling issues resulted in Unocal abandoning the project in the 1980's. Ormat Nevada investigated the potential of the shallow sands in 2006. It was concluded that these matrix permeables and contained moderately saline water, high porosity,and could support a binary-type power plant. In 2007, Ormat Nevada drilled and tested five wells. These test results confirmed the earlier conclusions and a 49.9 MWe power plant is presently being constructed.

Authors 
Skip Matlick and Tim Jayne








Published Journal 
GRC Transactions, 2008





DOI 
Not Provided
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Online 
Internet link for Unocal drilled a total of 39 temperature gradient wells and Grace Geothermal Corporation drilled 13, Unocal's wells were 76 m deep and Grace Geothermal's were 152 m deep

Citation

Skip Matlick,Tim Jayne. 2008. Unocal drilled a total of 39 temperature gradient wells and Grace Geothermal Corporation drilled 13, Unocal's wells were 76 m deep and Grace Geothermal's were 152 m deep. GRC Transactions. .