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Viser treff 1-50 av 77 << Forrige 1 2    Neste >>

2024
1 Ba, Yuming; Oliver, Dean.
Importance Weighting in Hybrid Iterative Ensemble Smoothers for Data Assimilation. Mathematical Geosciences 2024 s. -
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2023
2 Ba, Yuming; Oliver, Dean.
Weighted RML using ensemble-methods for data assimilation. arXiv.org 2023 s. -
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3 Mioratina, Nomenjanahary Tanteliniaina; Oliver, Dean.
Quantifying prior model complexity for subsurface reservoir models. Geoenergy Science and Engineering 2023 ;Volum 227. s. -
UiB NORCE Untitled
 
4 Oliver, Dean.
Hybrid IES data assimilation. Foundations of Computational Mathematics; 2023-06-12 - 2023-06-22
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5 Oliver, Dean.
Uncertainty quantification for subsurface petroleum reservoirs. PEST Conference - The Path from Data to Decisions; 2023-03-06 - 2023-03-10
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2022
6 Mioratina, Tanteliniaina N.; Oliver, Dean.
Quantifying Prior Model Complexity for Subsurface Reservoir Models. European Conference on the Mathematics of Geological Reservoirs 2022; 2022-09-05 - 2022-09-07
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7 Oliver, Dean.
Hybrid data assimilation for hierarchical models. The International EnKF Workshop 2022; 2022-05-30 - 2022-06-02
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8 Oliver, Dean.
Hybrid Iterative Ensemble Smoother for History Matching of Hierarchical Models. Mathematical Geosciences 2022 s. -
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2021
9 Ba, Yuming; de Wiljes, Jana; Oliver, Dean; Reich, Sebastian.
Randomized maximum likelihood based posterior sampling. Computational Geosciences 2021
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10 Oliver, Dean; Fossum, Kristian; Bhakta, Tuhin; Sandø, Ivar; Nævdal, Geir; Lorentzen, Rolf Johan.
4D seismic history matching. Journal of Petroleum Science and Engineering 2021
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11 Oliver, Dean S..
Information content in 4D seismic data: Effect of correlated noise. Journal of Petroleum Science and Engineering 2021 ;Volum 208. s. 1-10
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12 Wang, Lingya; Oliver, Dean.
Improving Sequential Decisions – Efficiently Accounting for Future Learning. Journal of Petroleum Science and Engineering 2021 ;Volum 205. s. -
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2020
13 Oliver, Dean.
Diagnosing reservoir model deficiency for model improvement. Journal of Petroleum Science and Engineering 2020 ;Volum 193. s. -
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14 Wang, Lingya; Oliver, Dean.
Fast robust optimization using bias correction applied to the mean model. Computational Geosciences 2020 ;Volum 25. s. 475-501
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15 Wang, Lingya; Oliver, Dean.
Fast Robust Optimization Using Mean Field Bias Correction. I: ECMOR XVII - 17th European Conference on the Mathematics of Oil Recovery, 14-17 September 2020. European Association of Geoscientists and Engineers (EAGE) 2020 ISBN 9781713821847. s. 1-32
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2019
16 Alfonzo, Miguel Angel; Oliver, Dean.
Evaluating prior predictions of production and seismic data. Computational Geosciences 2019 ;Volum 23.(6) s. 1331-1347
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17 Alfonzo, Miguel Angel; Oliver, Dean.
Seismic data assimilation with an imperfect model. Computational Geosciences 2019 s. 1-17
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18 Oliver, Dean.
Data assimilation and control of subsurface reservoirs. International Workshop on Data-Centric Engineering; 2019-12-09 - 2019-12-12
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19 Oliver, Dean.
History Matching. Department lecture; 2019-03-06 - 2019-03-06
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20 Oliver, Dean.
Iterative ensemble smoothers for large-scale subsurface inverse problems. Workshop on Data Assimilation; 2019-05-15 - 2019-05-17
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21 Oliver, Dean.
Iterative ensemble smoothers for large-scale subsurface inverse problems. Department seminar; 2019-04-01 - 2019-04-01
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22 Wang, Lingya; Oliver, Dean.
Efficient Optimization of Well Drilling Sequence with Learned Heuristics. SPE Norway One Day Seminar; 2019-05-14 - 2019-05-14
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23 Wang, Lingya; Oliver, Dean.
Efficient Optimization of Well Drilling Sequence with Learned Heuristics. I: SPE Norway One Day. Society of Petroleum Engineers 2019 ISBN 978-1-61399-670-6. s. -
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24 Wang, Lingya; Oliver, Dean.
Efficient Optimization of Well-Drilling Sequence with Learned Heuristics. SPE Journal 2019 ;Volum 24.(5) s. 2111-2134
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25 Wang, Lingya; Oliver, Dean.
Optimal Learning for Sequential Decision Making for Well Drilling Schedule with Learned Heuristics. IOR Norway 2019; 2019-03-19 - 2019-03-20
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2018
26 Oliver, Dean; Chen, Yan.
Data Assimilation in Truncated Plurigaussian Models: Impact of the Truncation Map. Mathematical Geosciences 2018 ;Volum 50.(8) s. 867-893
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2017
27 Alfonzo, Miguel Angel; Oliver, Dean; MacBeth, Colin.
Analysis and calibration of 4D seismic data prior to 4D Seismic Inversion and History Matching: Norne Field case.. 79th EAGE Conference & Exhibition 2017; 2017-06-12 - 2017-06-15
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28 Oliver, Dean.
Ensemble-based History Matching - Best Practices. SPE Chapter Meeting; 2017-10-22 - 2017-10-22
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29 Oliver, Dean.
Ensemble-based History Matching and Uncertainty Quantification. 2-day course on history matching; 2017-11-21 - 2017-11-22
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30 Oliver, Dean.
Metropolized Randomized Maximum Likelihood for Improved Sampling from Multimodal Distributions. SIAM/ASA Journal on Uncertainty Quantification (JUQ) 2017 ;Volum 5.(1) s. 259-277
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31 Oliver, Dean.
Minimization for sampling and uncertainty quantification. Workshop III: Data Assimilation, Uncertainty Reduction, and Optimization for Subsurface Flow; 2017-05-22 - 2017-05-26
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32 Oliver, Dean.
Minimization-based sampling from the posterior distribution for inverse problems. Mathematics department seminar; 2017-08-21 - 2017-08-21
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33 Oliver, Dean; Alfonzo, Miguel Angel.
Calibration of imperfect models to biased observations. Computational Geosciences 2017 ;Volum 22.(1) s. 145-161
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2016
34 Chen, Yan; Oliver, Dean.
Localization and regularization for iterative ensemble smoothers. Computational Geosciences 2016 ;Volum 21.(1) s. 13-30
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35 Mannseth, Trond; Fossum, Kristian; Oliver, Dean.
Seismic data spatial richness: challenges and solution alternatives for ensemble-based history matching. Workshop on history matching using 4D seismic data; 2016-04-28 - 2016-04-28
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36 Oliver, Dean.
Applying ensemble-based history matching to 4D seismic data. Edinburgh Time Lapse Projects; 2016-11-09 - 2016-11-10
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37 Oliver, Dean.
Iterative Ensemble Smoother for Parameter Estimation. Mathematical and Algorithmic Aspects of Data Assimilation in the Geosciences; 2016-10-02 - 2016-10-08
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38 Oliver, Dean.
Iterative Ensemble Smoothers for Calibration and Uncertainty Quantification of Large Petroleum Reservoir Models. SIAM Uncertainty Quantification; 2016-05-05 - 2016-05-08
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39 Oliver, Dean.
Metropolized Randomized Maximum Likelihood for sampling from multimodal distributions. Data Assimilation and Inverse Problems; 2016-02-22 - 2016-02-24
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2015
40 Astrakova, Alina; Oliver, Dean.
Conditioning truncated Pluri-Gaussian models to facies observations in Ensemble-Kalman-based data assimilation. Mathematical Geosciences 2015 ;Volum 47.(3) s. 345-367
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41 Gentilhomme, Théophile; Oliver, Dean; Mannseth, Trond; Caumon, Guillaume; Moyen, Rémi; Doyen, Philippe.
Ensemble-based multi-scale history-matching using second-generation wavelet transform. Computational Geosciences 2015 ;Volum 19.(5) s. 999-1025
UiB NORCE Untitled
 
42 Oliver, Dean.
Calibrating reservoir models: geology, production data, seismic data. Improving the Use of Seismic Data for Reservoir Model Definition and Update; 2015-06-11 - 2015-06-11
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43 Oliver, Dean.
Ensemble-based methods for history matching: uncertainty, iterative smoothers and nongaussian priors. Workshop for DFG-Forschergruppe (Research Unit) 2131 "Data Assimilation for Improved Characterization of Fluxes across Compartmental Interfaces"; 2015-09-28 - 2015-09-29
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44 Oliver, Dean.
Minimization of a cost function for sampling from multimodal posterior distributions. 8th International Congress on Industrial and Applied Mathematics; 2015-08-10 - 2015-08-14
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45 Oliver, Dean.
Uncertainty estimation for high-dimensional parameter estimation problems. International workshop Theoretical aspects of ensemble data assimilation for the Earth system; 2015-04-05 - 2015-04-10
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46 Zhang, Yanhui.
Ensemble Methods of Data Assimilation in Porous Media Flow for Non-Gaussian Prior Probability Density. : University of Bergen 2015 (ISBN 978-82-308-2558-7)
NORCE UiB Untitled
 
47 Zhang, Yanhui; Oliver, Dean; Chauris, Hervé; Donno, Daniela.
Ensemble-based data assimilation with curvelets regularization. Journal of Petroleum Science and Engineering 2015 ;Volum 136. s. 55-67
UiB NORCE Untitled
 
48 Zhang, Yanhui; Oliver, Dean; Chen, Yan; Skaug, Hans J..
Data assimilation by use of the iterative ensemble smoother for 2D facies models. SPE Journal 2015 ;Volum 20.(1) s. 169-185
UiB NORCE Untitled
 
2014
49 Astrakova, Alina; Oliver, Dean.
Truncation map estimation for the truncated bigaussian model based on bivariate unit-lag probabilities. I: ECMOR XIV - Proceedings of 14th European Conference on the Mathematics of Oil Recovery, Catania, Italy, 8-11 September, 2014. European Association of Geoscientists and Engineers (EAGE) 2014 ISBN 978-90-73834-94-1. s. 951-965
UiB NORCE Untitled
 
50 Oliver, Dean.
Minimization for conditional simulation: Relationship to optimal transport. Journal of Computational Physics 2014 ;Volum 265. s. 1-15
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