History Matching under Uncertainty of Geological Scenarios with Implicit Geological Realism Control with Generative Deep Learning and Graph Convolutions

• URL: http://arxiv.org/abs/2507.10201v1
• Date: Mon, 14 Jul 2025 12:14:17 GMT
• Title: History Matching under Uncertainty of Geological Scenarios with Implicit Geological Realism Control with Generative Deep Learning and Graph Convolutions
• Authors: Gleb Shishaev, Vasily Demyanov, Daniel Arnold,
• Abstract summary: The graph-based variational autoencoder represents an architecture that can handle the uncertainty of different geological scenarios.<n>We offer in-depth analysis of the latent space using tools such as PCA, t-SNE, and TDA to illustrate its structure.
• Score: 0.10923877073891446
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: The graph-based variational autoencoder represents an architecture that can handle the uncertainty of different geological scenarios, such as depositional or structural, through the concept of a lowerdimensional latent space. The main difference from recent studies is utilisation of a graph-based approach in reservoir modelling instead of the more traditional lattice-based deep learning methods. We provide a solution to implicitly control the geological realism through the latent variables of a generative model and Geodesic metrics. Our experiments of AHM with synthetic dataset that consists of 3D realisations of channelised geological representations with two distinct scenarios with one and two channels shows the viability of the approach. We offer in-depth analysis of the latent space using tools such as PCA, t-SNE, and TDA to illustrate its structure.

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