Establishing the Frontier Observatory for Research in Geothermal Energy (FORGE) on the Newberry Volcano, OR

The proposed Newberry Volcano FORGE site is in central Oregon on the northwest flank of the largest volcano in the Cascades volcanic arc. Beneath Newberry Volcano is one of the largest geothermal heat reservoirs in the western United States, extensively studied for the last 40 years. The large, shallow (200 deg C at less than 2 km depth), conductive thermal anomaly has already been well characterized by extensive drilling and geophysical surveys. Four deep (greater than 3,000 m) boreholes completed on the leasehold currently managed by AltaRock have conductive thermal gradients with bottom hole temperatures above 320 deg C. Three large geothermal pads and two deep geothermal wells exist on the leasehold as well as eight, 200-290 m deep monitoring boreholes that have been used for seismic monitoring and sampling of shallow groundwater. All these investments have built the scientific foundation that establishes the site as high EGS potential, demonstrates a record of addressing potential risks (induced seismicity, wildlife, groundwater, etc.), and has developed true support and engagement with the local and regional communities. The high temperatures at relatively shallow depths at the site will allow a greater variety of drilling methods to be tested and a greater share of funds to be reserved for non-drilling activities.

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Additional Info

Field Value
Author Pacific Northwest National Laboratory
Maintainer Alain Bonneville
bureau_code 019:20
Catalog GDR
Contact Phone
harvest_object_id ba5c419b-1cca-4d7d-9484-04d4af3323ec
harvest_source_id 154c8289-1404-4e71-a217-a08000129ad0
harvest_source_title Geothermal Data Repository (GDR)
Origination Date 2016-02-22
program_code 019:006
Sectors Geothermal
was_harvested true

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