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Newberry EGS Demonstration: Stimulating the Existing Fracture Network Report

Metadata Updated: July 10, 2024

The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power generated by EGS in a hot, dry well (NWG 55-29) drilled in 2008. First, the stimulation pumps used were designed to run for weeks and deliver large volumes of water at moderate well-head pressure. Second, to stimulate multiple zones, AltaRock developed thermo-degradable zonal isolation materials (TZIMs) to seal off fractures in a geothermal well to stimulate secondary and tertiary fracture zones. The TZIMs degrade within weeks, resulting in an optimized injection/ production profile of the entire well. Third, the project followed a project-specific Induced Seismicity Mitigation Plan (ISMP) to evaluate, monitor for, and mitigate felt induced seismicity. Stimulation started October 17, 2012 and continued for 7 weeks, with over 41,000 m3 of water injected. Two TZIM treatments successfully shifted the depth of stimulation. Injectivity, DTS, and seismic analysis indicate that fracture permeability in well NWG 55-29 was enhanced by two orders of magnitude.

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons Attribution

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Dates

Metadata Created Date June 24, 2021
Metadata Updated Date July 10, 2024

Metadata Source

Harvested from OpenEI data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date June 24, 2021
Metadata Updated Date July 10, 2024
Publisher AltaRock Energy Inc
Maintainer
Identifier https://data.openei.org/submissions/3476
Data First Published 2014-03-10T06:00:00Z
Data Last Modified 2024-07-09T16:56:47Z
Public Access Level public
Bureau Code 019:20
Metadata Context https://openei.org/data.json
Metadata Catalog ID https://openei.org/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Data Quality True
Harvest Object Id 15eaf09d-c568-4adb-88d9-b53dca80c43a
Harvest Source Id 7cbf9085-0290-4e9f-bec1-91653baeddfd
Harvest Source Title OpenEI data.json
Homepage URL https://gdr.openei.org/submissions/774
License https://creativecommons.org/licenses/by/4.0/
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Program Code 019:006
Projectlead Lauren Boyd
Projectnumber EE0002777
Projecttitle Newberry EGS Demonstration
Source Datajson Identifier True
Source Hash e97fe0f8d9c461084aaa9a318d6765dc269372b2e43be80bf979f608bf5efaa6
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