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Machine Learning-Assisted High-Temperature Reservoir Thermal Energy Storage Optimization: Numerical Modeling and Machine Learning Input and Output Files

Published by Idaho National Laboratory | Department of Energy | Catalog Last Checked: March 23, 2026 at 09:41 PM | Dataset Last Updated: October 12, 2022 at 04:32 PM
This data set includes the numerical modeling input files and output files used to synthesize data, and the reduced-order machine learning models trained from the synthesized data for reservoir thermal energy storage site identification. In this study, a machine-learning-assisted computational framework is presented to identify High-Temperature Reservoir Thermal Energy Storage (HT-RTES) site with optimal performance metrics by combining physics-based simulation with stochastic hydrogeologic formation and thermal energy storage operation parameters, artificial neural network regression of the simulation data, and genetic algorithm-enabled multi-objective optimization. A doublet well configuration with a layered (aquitard-aquifer-aquitard) generic reservoir is simulated for cases of continuous operation and seasonal-cycle operation scenarios. Neural network-based surrogate models are developed for the two scenarios and applied to generate the Pareto fronts of the HT-RTES performance for four potential HT-RTES sites. The developed Pareto optimal solutions indicate the performance of HT-RTES is operation-scenario (i.e., fluid cycle) and reservoir-site dependent, and the performance metrics have competing effects for a given site and a given fluid cycle. The developed neural network models can be applied to identify suitable sites for HT-RTES, and the proposed framework sheds light on the design of resilient HT-RTES systems. All the simulations and the neural network model were done by Idaho National Laboratory. A detailed description of the work was reported in publication linked below.

Resources

4 resources available

  • Machine-Learning-Assisted High-Temperature Reservoir Thermal Energy Storage Optimization

    118
  • Numerical Simulation - Models Inputs and Outputs.zip

    ZIP
  • Dynamic Earth Energy Storage Terawatt-year Grid-scale Energy Storage Using Planet Earth as a Thermal Battery GeoTES Phase I Project Final Report

    HTML
  • MOOSE-Based Falcon Code used in Simulations

    HTML

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