CarbGeo-3D: A Synthetic Three-dimensional Lithology-Resistivity Dataset of Carbonate Geothermal Reservoir

To our knowledge, CarbGeo-3D represents one of the first openly available large-scale datasets that jointly provide paired three-dimensional lithofacies and resistivity models for carbonate geothermal reservoirs while explicitly incorporating geological process knowledge into the generation workflow.

CarbGeo-3D is designed to support the development, benchmarking, and reproducible evaluation of data-driven subsurface characterization methods by providing a large collection of geologically plausible carbonate geothermal reservoir models. The synthesized lithology and resistivity models of carbonate geothermal reservoirs are fully aligned in spatial grid size (default 128 × 128 × 128), allowing them to be directly used as paired geological-geophysical data for machine learning, geophysical inversion, uncertainty quantification, and surrogate modeling applications.