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    • Chemical Impact of Elevated CO2 on Geothermal Energy Production

    Metadata Updated: January 20, 2025

    Numerical simulations have shown that the use of supercritical CO2 instead of water as a heat transfer fluid yields significantly greater heat extraction rates for geothermal energy. If this technology is implemented successfully, it could increase geothermal energy production and offset atmospheric emissions of greenhouse gases. However, the impact of geochemical reactions between acidic waters in equilibrium with supercritical CO2 and the reservoir rock have not been evaluated. At issue are enhanced rock-water interactions that may reduce reservoir porosity and permeability and may exacerbate downstream scaling.

    The publications included in this submission aim to assess the geochemical impact of CO2 on geothermal energy production by analyzing the geochemistry of existing geothermal fields with elevated natural CO2, to measure realistic rock-water rates for geothermal systems using laboratory and field-based experiments, and to develop reactive transport models using the filed-based rates to simulate production scale impacts.

    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 Lawrence Livermore National Laboratory
    Maintainer
    Identifier https://data.openei.org/submissions/6532
    Data First Published 2013-01-01T07:00:00Z
    Data Last Modified 2017-05-23T22:32:25Z
    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 c42d9609-2c45-469f-a08a-81c24740bd95
    Harvest Source Id 7cbf9085-0290-4e9f-bec1-91653baeddfd
    Harvest Source Title OpenEI data.json
    Homepage URL https://gdr.openei.org/submissions/177
    License https://creativecommons.org/licenses/by/4.0/
    Old Spatial {"type":"Polygon","coordinates":176.07271944444,-38.623036111111,176.07271944444,-38.623036111111,176.07271944444,-38.623036111111,176.07271944444,-38.623036111111,176.07271944444,-38.623036111111}
    Program Code 019:006
    Projectlead Greg Stillman
    Projectnumber AID 19980
    Projecttitle Chemical Impact of Elevated CO2 on Geothermal Energy Production
    Source Datajson Identifier True
    Source Hash 8d0aafb2ea02d6a1d9d87c43d1c49f4d3610423a68ffa6eb1269d99dd2499e59
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