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Deep Learning Application for 4D Pressure Saturation Inversion Compared to Bayesian Inversion on North Sea DataNormal access

Authors: J.S. Dramsch, G. Corte, H. Amini, M. Lüthje and C. MacBeth
Event name: Second EAGE Workshop Practical Reservoir Monitoring 2019
Session: Data Analytics
Publication date: 01 April 2019
DOI: 10.3997/2214-4609.201900028
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.68Mb )
Price: € 20

Summary:
In this work we present a deep neural network inversion on map-based 4D seismic data for pressure and saturation. We present a novel neural network architecture that trains on synthetic data and provides insights into observed field seismic. The network explicitly includes AVO gradient calculation within the network as physical knowledge to stabilize pressure and saturation changes separation. We apply the method to Schiehallion field data and go on to compare the results to Bayesian inversion results. Despite not using convolutional neural networks for spatial information, we produce maps with good signal to noise ratio and coherency.


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