mlsanityData to 7 Oct 2026

Surrogate and inverse modeling for two-phase flow in porous media via theory-guided convolutional neural network

arXiv 2110.10080 ↗First posted 12 Oct 2021physics.geo-ph cs.LG physics.comp-phcited by 5

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Abstract (arXiv)

The theory-guided convolutional neural network (TgCNN) framework, which can incorporate discretized governing equation residuals into the training of convolutional neural networks (CNNs), is extended to two-phase porous media flow problems in this work. The two principal variables of the considered problem, pressure and saturation, are approximated simultaneously with two CNNs, respectively. Pressure and saturation are coupled with each other in the governing equations, and thus the two networks are also mutually conditioned in the training process by the discretized governing equations, which also increases the difficulty of model training. The coupled and discretized equations can provide valuable information in the training process. With the assistance of theory-guidance, the TgCNN surrogates can achieve better accuracy than ordinary CNN surrogates in two-phase flow problems. Moreover, a piecewise training strategy is proposed for the scenario with varying well controls, in which the TgCNN surrogates are constructed for different segments on the time dimension and stacked together to predict solutions for the whole time-span. For scenarios with larger variance of the formation property field, the TgCNN surrogates can also achieve satisfactory performance. The constructed TgCNN surrogates are further used for inversion of permeability fields by combining them with the iterative ensemble smoother (IES) algorithm, and sufficient inversion accuracy is obtained with improved efficiency.

Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 15 of its 34 references that are in the map. First posted on arXiv 12 Oct 2021.

Builds on

15 of 34 references.

References · 15

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3 more
  1. 2020Deep-Learning based Inverse Modeling Approaches: A Subsurface Flow Examplecited by 13
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  3. 2020Theory-guided Auto-Encoder for Surrogate Construction and Inverse Modelingcited by 12

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Citing papers per year: 2023: 3; 2024: 0; 2025: 0; 2026: 2.

5 papers.