CX-001529: Categorical Exclusion Determination

Development of a Hydrothermal Spallation Drilling System for Enhanced Geothermal SystemsCX(s) Applied: B3.6, B3.7, B3.11, A9Date: 04/01/2010Location(s): Redwood City, CaliforniaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

Office of NEPA Policy and Compliance

April 1, 2010
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Development of a Hydrothermal Spallation Drilling System for Enhanced Geothermal Systems
CX(s) Applied: B3.6, B3.7, B3.11, A9
Date: 04/01/2010
Location(s): Redwood City, California
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

As a solution to the current high cost of drilling for geothermal power. Potter Drilling Incorporated ( PDI) would build and demonstrate a working prototype drilling unit that would accelerate commercial deployment of Enhanced Geothermal Systems (EGS) as a domestic energy source. The project work. would take place at a field test site near Raymond in Madera County, California and in Potter Drilling Incorporated's facility located at 599 Seaport Boulevard, Redwood City, California 94063. Potter Drilling Incorporated would also cooperate with Jefferson Tester's group at Cornell University in Ithaca, New York.

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