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    • Preliminary Analysis of Stress in the Newberry EGS Well NWG 55-29

    Metadata Updated: January 20, 2025

    As part of the planning for stimulation of the Newberry Volcano Enhanced Geothermal Systems (EGS) Demonstration project in Oregon, a high-resolution borehole televiewer (BHTV) log was acquired using the ALT ABI85 BHTV tool in the slightly deviated NWG 55-29 well. The image log reveals an extensive network of fractures in a conjugate set striking approximately N-S and dipping 50 deg that are well oriented for normal slip and are consistent with surface-breaking regional normal faults in the vicinity. Similarly, breakouts indicate a consistent minimum horizontal stress, Shmin, azimuth of 092.3 +/- 17.3 deg. In conjunction with a suite of geophysical logs, a model of the stress magnitudes constrained by the width of breakouts at depth and a model of rock strength independently indicates a predominantly normal faulting stress regime.

    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 January 11, 2025
    Metadata Updated Date January 20, 2025

    Metadata Source

    Harvested from OpenEI data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 11, 2025
    Metadata Updated Date January 20, 2025
    Publisher National Energy Technology Laboratory
    Maintainer
    Identifier https://data.openei.org/submissions/6954
    Data First Published 2011-01-01T07:00:00Z
    Data Last Modified 2019-11-14T18:58:18Z
    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
    Datagov Dedupe Retained 20250120143002
    Harvest Object Id 169a0e69-f6d6-4673-b4aa-424053bd0ea5
    Harvest Source Id 7cbf9085-0290-4e9f-bec1-91653baeddfd
    Harvest Source Title OpenEI data.json
    Homepage URL https://gdr.openei.org/submissions/737
    License https://creativecommons.org/licenses/by/4.0/
    Old Spatial {"type":"Polygon","coordinates":-121.4333333,43.51666667,-121.0333333,43.51666667,-121.0333333,43.91666667,-121.4333333,43.91666667,-121.4333333,43.51666667}
    Program Code 019:006
    Projectlead Lauren Boyd
    Projectnumber FY11 AOP 11113
    Projecttitle Novel use of 4D Monitoring Techniques to Improve Reservoir Longevity and Productivity in Enhanced Geothermal Systems
    Source Datajson Identifier True
    Source Hash 49e8d8c1d6b6738785cf4e4d9bde1fd9ea3090a2b686bcdf59e133086631cc6e
    Source Schema Version 1.1
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