Computer Science > Machine Learning
arXiv:2603.09651 (cs)
[Submitted on 10 Mar 2026]
Title:Well Log-Guided Synthesis of Subsurface Images from Sparse Petrography Data Using cGANs
View a PDF of the paper titled Well Log-Guided Synthesis of Subsurface Images from Sparse Petrography Data Using cGANs, by Ali Sadeghkhani and 3 other authors
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Abstract:Pore-scale imaging of subsurface formations is costly and limited to discrete depths, creating significant gaps in reservoir characterization. To address this, we present a conditional Generative Adversarial Network (cGAN) framework for synthesizing realistic thin section images of carbonate rock formations, conditioned on porosity values derived from well logs. The model is trained on 5,000 sub-images extracted from 15 petrography samples over a depth interval of 1992-2000m, the model generates geologically consistent images across a wide porosity range (0.004-0.745), achieving 81% accuracy within a 10\% margin of target porosity values. The successful integration of well log data with the trained generator enables continuous pore-scale visualization along the wellbore, bridging gaps between discrete core sampling points and providing valuable insights for reservoir characterization and energy transition applications such as carbon capture and underground hydrogen storage.
| Comments: | |
| Subjects: | Machine Learning (cs.LG); Geophysics (physics.geo-ph) |
| Cite as: | arXiv:2603.09651 [cs.LG] |
| (or arXiv:2603.09651v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2603.09651
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View a PDF of the paper titled Well Log-Guided Synthesis of Subsurface Images from Sparse Petrography Data Using cGANs, by Ali Sadeghkhani and 3 other authors
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