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Improving Performance of Seismic Fault Detection by Fine-Tuning the Convolutional Neural Network Pre-Trained with Synthetic Samples

Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China
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Academic Editor: Valentina Colla
Energies 2021, 14(12), 3650; https://doi.org/10.3390/en14123650
Received: 26 May 2021 / Revised: 15 June 2021 / Accepted: 16 June 2021 / Published: 19 June 2021
(This article belongs to the Section Geo-Energy)
Fault interpretation is an important part of seismic structural interpretation and reservoir characterization. In the conventional approach, faults are detected as reflection discontinuity or abruption and are manually tracked in post-stack seismic data, which is time-consuming. In order to improve efficiency, a variety of automatic fault detection methods have been proposed, among which widespread attention has been given to deep learning-based methods. However, deep learning techniques require a large amount of marked seismic samples as a training dataset. Although the amount of synthetic seismic data can be guaranteed and the labels are accurate, the difference between synthetic data and real data still exists. To overcome this drawback, we apply a transfer learning strategy to improve the performance of automatic fault detection by deep learning methods. We first pre-train a deep neural network with synthetic seismic data. Then we retrain the network with real seismic samples. We use a random sample consensus (RANSAC) method to obtain real seismic samples and generate corresponding labels automatically. Three real 3D examples are included to demonstrate that the fault detection accuracy of the pre-trained network models can be greatly improved by retraining the network with a few amount of real seismic samples. View Full-Text
Keywords: fault detection; deep learning; U-net; transfer learning fault detection; deep learning; U-net; transfer learning
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MDPI and ACS Style

Yan, Z.; Zhang, Z.; Liu, S. Improving Performance of Seismic Fault Detection by Fine-Tuning the Convolutional Neural Network Pre-Trained with Synthetic Samples. Energies 2021, 14, 3650. https://doi.org/10.3390/en14123650

AMA Style

Yan Z, Zhang Z, Liu S. Improving Performance of Seismic Fault Detection by Fine-Tuning the Convolutional Neural Network Pre-Trained with Synthetic Samples. Energies. 2021; 14(12):3650. https://doi.org/10.3390/en14123650

Chicago/Turabian Style

Yan, Zhe, Zheng Zhang, and Shaoyong Liu. 2021. "Improving Performance of Seismic Fault Detection by Fine-Tuning the Convolutional Neural Network Pre-Trained with Synthetic Samples" Energies 14, no. 12: 3650. https://doi.org/10.3390/en14123650

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