Efficient deep-learning-based history matching for fluvial channel reservoirs

S Jo, H Jeong, B Min, C Park, Y Kim, S Kwon… - Journal of Petroleum …, 2022 - Elsevier
In history matching, the calibration of a prior reservoir model is computationally expensive
because many forward reservoir simulation runs are required. Multiple posterior (or …

A novel data assimilation-based real-time state estimation method for gas influx profiling during riser gas events

C Wei, JL Tabjula, J Sharma… - Journal of Energy …, 2023 - asmedigitalcollection.asme.org
Riser gas events during offshore drilling operations are hazardous and challenging to
control. Therefore, knowledge of the gas influx sizes and distributions in a marine drilling …

Model regeneration scheme using a deep learning algorithm for reliable uncertainty quantification of channel reservoirs

Y Lee, B Kang, J Kim, J Choe - Journal of Energy …, 2022 - asmedigitalcollection.asme.org
Reservoir characterization is one of the essential procedures for decision makings.
However, conventional inversion methods of history matching have several inevitable issues …

Reliable Initial Model Selection for Efficient Characterization of Channel Reservoirs in Ensemble Kalman Filter

D Kim, Y Lee, J Choe - Journal of Energy Resources …, 2023 - asmedigitalcollection.asme.org
Ensemble Kalman filter is typically utilized to characterize reservoirs with high uncertainty.
However, it requires a large number of reservoir models for stable and reliable update of its …

Reliable channel reservoir characterization and uncertainty quantification using variational autoencoder and ensemble smoother with multiple data assimilation

Y Ahn, J Choe - Journal of Petroleum Science and Engineering, 2022 - Elsevier
Reservoir characterization is essential for reliable performance prediction and decision
making. In this study, a reliable scheme is suggested for channel reservoir characterization …

Physics-Informed Sampling Scheme for Efficient Well Placement Optimization

J Kim, D Kim, W Jo, J Kim, H Jo… - Journal of Energy …, 2025 - asmedigitalcollection.asme.org
Well placement optimization is a crucial task in terms of oil and gas recovery and economics
in the field development plan. It poses significant challenges due to the multitude of local …

Fast and Reliable History Matching of Channel Reservoirs Using Initial Models Selected by Streamline and Deep Learning

D Kim, M King, H Jo, J Choe - Journal of Energy …, 2024 - asmedigitalcollection.asme.org
Ensemble-based methods involve using multiple models for model calibration correct initial
models based on observed data. The assimilated ensemble models allow probabilistic …

Application of Latent Variable Evolution for Channel Reservoir Characterization using Generative Adversarial Networks and Particle Swarm Optimization

Y Lee, D Kim, H Jo, J Choe - Geoenergy Science and Engineering, 2024 - Elsevier
When characterizing channel reservoirs, ensemble-based methods may compromise
channel features due to the conflict between the Gaussian distribution assumption of the …