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Alternative CAES Technology Using Depleted Unconventional Gas Wells and Subsurface Thermal Energy Storage (GeoCAES)

Published by National Renewable Energy Laboratory | Department of Energy | Catalog Last Checked: May 07, 2026 at 08:26 PM | Dataset Last Updated: May 21, 2024 at 10:16 PM
This project assessed the technical viability of a process called GeoCAES. The process stores electrical energy by injecting natural gas into shale gas formations using a compressor, storing it, and producing it through an expander to generate electricity. This data submission includes the models of temperature and pressure changes in the wellbore, surface plant equipment (compressor and expander), and the code used in CMG GEM reservoir modeling software to simulate injection and production. Note - the wellbore and surface plant equipment models use the REFPROP Excel Add-in from NIST (linked in submission) to calculate natural gas properties. Note - the reservoir model code requires a license for the Computer Modeling Group (CMG) GEM reservoir modeling software (linked in submission) to run it.

Resources

8 resources available

  • CMG Input - Diurnal Cycling 6 hour intervals.dat

    DAT
  • CMG Input - Seasonal Cycling 90 day intervals.dat

    DAT
  • Hagoort Method - Prediction of Temp in Natural Gas Wellbore.xlsm

    XLSM
  • LCOS Model.xlsx

    XLSX
  • Surface Plant Model.xlsx

    XLSX
  • Computer Modeling Group GEM Reservoir Modeling Software

    HTML
  • REFPROP Excel Add-in from NIST

    HTML
  • Prediction of wellbore temperatures in gas production wells

    HTML

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