CX-003495: Categorical Exclusion Determination

Seismic Fracture Characterization Methodologies for Enhanced Geothermal SystemsCX(s) Applied: A9, B3.1Date: 08/18/2010Location(s): NevadaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

Office of NEPA Policy and Compliance

August 18, 2010
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Seismic Fracture Characterization Methodologies for Enhanced Geothermal Systems
CX(s) Applied: A9, B3.1
Date: 08/18/2010
Location(s): Nevada
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

Hi-Q is proposing to develop surface seismic and vertical seismic profile (VSP) methods and adapt them to the unique conditions encountered in Enhanced Geothermal Systems (EGS). Phase I was previously approved by GFO-09-040 on January 8, 2009. This review is for Phase II (tasks 4 through 6), which consists of extensive field testing with seismic surveys, gravity surveys, and a near offset VSP.

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