Integrated Lifecycle Simulation for Utah FORGE: Part I – Fracture Geometry Calibration

Published: 12/10/2025

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The study explores the value extraction through the fracture geometry calibration component of end-to-end lifecycle simulations for the 16A(78)-32 and 16B(78)-32 injector-producer pair at the Utah Frontier Observatory for Research in Geothermal Energy (FORGE). Forward modeling was conducted with rigorous geomechanical, fracture propagation models calibrated with micro earthquake (MEQ),

The 3D geomechanical model was built from the structural geologic features and the thermal and mechanical properties profiles. In the first step of calibration, elastic properties were calculated from openhole logs and empirical core test data. A high-fidelity discrete fracture network (DFN) was used as an input in the 3D geo-model. The DFN was built based on data sets collected from five wells, microseismic monitoring during a 2022 stimulation campaign to constrain fracture orientations and intensity, and fracture

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