Divisjon
Energi og Teknologi
Forskningstema
Dataassimilering
Beslutningsstøttesystemer
Reservoarmodellering og -simulering
Forskergrupper
Dataassimilering og optimalisering
Mer info om Dean
Prosjekter
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KonferanseforedragHybrid IES data assimilation– Foundations of Computational Mathematics 2023
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Vitenskapelig artikkelQuantifying prior model complexity for subsurface reservoir models– Geoenergy Science and Engineering 2023
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KonferanseforedragUncertainty quantification for subsurface petroleum reservoirs– PEST Conference - The Path from Data to Decisions 2023
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Vitenskapelig artikkelWeighted RML using ensemble-methods for data assimilation– arXiv.org 2023
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Vitenskapelig artikkelHybrid Iterative Ensemble Smoother for History Matching of Hierarchical Models– Mathematical Geosciences 2022
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KonferanseforedragQuantifying Prior Model Complexity for Subsurface Reservoir Models– European Conference on the Mathematics of Geological Reservoirs 2022 2022
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Vitenskapelig artikkelRandomized maximum likelihood based posterior sampling– Computational Geosciences 2021
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Vitenskapelig artikkelInformation content in 4D seismic data: Effect of correlated noise– Journal of Petroleum Science and Engineering 2021
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Vitenskapelig oversiktsartikkel4D seismic history matching– Journal of Petroleum Science and Engineering 2021
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Vitenskapelig artikkelImproving Sequential Decisions – Efficiently Accounting for Future Learning– Journal of Petroleum Science and Engineering 2021
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Vitenskapelig artikkelFast robust optimization using bias correction applied to the mean model– Computational Geosciences 2020
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Vitenskapelig kapittelFast Robust Optimization Using Mean Field Bias Correction– 2020
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Vitenskapelig artikkelDiagnosing reservoir model deficiency for model improvement– Journal of Petroleum Science and Engineering 2020
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KonferanseforedragData assimilation and control of subsurface reservoirs– International Workshop on Data-Centric Engineering 2019
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KonferanseforedragHistory Matching– Department lecture 2019
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Vitenskapelig artikkelEvaluating prior predictions of production and seismic data– Computational Geosciences 2019
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Vitenskapelig artikkelEfficient Optimization of Well-Drilling Sequence with Learned Heuristics– SPE Journal 2019
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Vitenskapelig artikkelSeismic data assimilation with an imperfect model– Computational Geosciences 2019
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KonferanseforedragIterative ensemble smoothers for large-scale subsurface inverse problems– Department seminar 2019
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KonferanseforedragOptimal Learning for Sequential Decision Making for Well Drilling Schedule with Learned Heuristics– IOR Norway 2019 2019
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Vitenskapelig kapittelEfficient Optimization of Well Drilling Sequence with Learned Heuristics– 2019
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KonferanseforedragEfficient Optimization of Well Drilling Sequence with Learned Heuristics– SPE Norway One Day Seminar 2019
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Vitenskapelig artikkelData Assimilation in Truncated Plurigaussian Models: Impact of the Truncation Map– Mathematical Geosciences 2018
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KonferanseforedragMinimization-based sampling from the posterior distribution for inverse problems– Mathematics department seminar 2017
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KonferanseforedragEnsemble-based History Matching and Uncertainty Quantification– 2-day course on history matching 2017
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Vitenskapelig artikkelCalibration of imperfect models to biased observations– Computational Geosciences 2017
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Vitenskapelig artikkelMetropolized Randomized Maximum Likelihood for Improved Sampling from Multimodal Distributions– SIAM/ASA Journal on Uncertainty Quantification (JUQ) 2017
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Vitenskapelig artikkelLocalization and regularization for iterative ensemble smoothers– Computational Geosciences 2016
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KonferanseforedragSeismic data spatial richness: challenges and solution alternatives for ensemble-based history matching– Workshop on history matching using 4D seismic data 2016
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Vitenskapelig artikkelEnsemble-based data assimilation with curvelets regularization– Journal of Petroleum Science and Engineering 2015
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Vitenskapelig artikkelEnsemble-based multi-scale history-matching using second-generation wavelet transform– Computational Geosciences 2015
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Vitenskapelig artikkelData assimilation by use of the iterative ensemble smoother for 2D facies models– SPE Journal 2015
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Vitenskapelig artikkelConditioning truncated Pluri-Gaussian models to facies observations in Ensemble-Kalman-based data assimilation– Mathematical Geosciences 2015
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KonferanseforedragBeyond the Probability Map: Representation of Posterior Facies Probability– 14th European Conference on the Mathematics of Oil Recovery 2014
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Vitenskapelig kapittelTruncation map estimation for the truncated bigaussian model based on bivariate unit-lag probabilities– 2014
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Vitenskapelig artikkelMinimization for conditional simulation: Relationship to optimal transport– Journal of Computational Physics 2014
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Vitenskapelig artikkelExtended Brugge benchmark case for history matching and water flooding optimization– Computers & Geosciences 2013
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Vitenskapelig artikkelInformation content in Lagrangian sensor measurements for reservoir characterization– Computers & Geosciences 2013
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KonferanseforedragHistory Matching Of The Norne Full Field Model Using An Iterative Ensemble Smoother– EAGE Annual Conference & Exhibition / SPE Europec 2013
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KonferanseforedragEstimating control parameters for generation of geological models– SPE Europec 2013
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Vitenskapelig artikkelLevenberg–Marquardt forms of the iterative ensemble smoother for efficient history matching and uncertainty quantification– Computational Geosciences 2013
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Vitenskapelig artikkelTwo-stage ensemble-based history matching with multiple modes in the objective function– Computers & Geosciences 2013
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Vitenskapelig artikkelComparison of optimization algorithms for reservoir management with constraints—A case study– Journal of Petroleum Science and Engineering 2012
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Vitenskapelig artikkelSequential quadratic programming for solving constrained production optimization--Case study from Brugge Field– SPE Journal 2012
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Vitenskapelig artikkelMultiscale parameterization with adaptive regularization for improved assimilation of nonlocal observation– Water Resources Research 2012
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Vitenskapelig artikkelFiltering with state space localized Kalman gain– Physica D : Non-linear phenomena 2012
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Vitenskapelig artikkelEnsemble Randomized Maximum Likelihood Method as an Iterative Ensemble Smoother– Mathematical Geosciences 2012
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Vitenskapelig artikkelAn Iterative EnKF for Strongly Nonlinear Systems– Monthly Weather Review 2012
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Vitenskapelig artikkelLocalization of Ensemble-Based Control-Setting Updates for Production Optimization– SPE Journal 2012
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KonferanseforedragData Assimilation Using the Iterative Ensemble Smoother for 2-D Categorical Models– Steering Committee Workshop 2012
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KonferanseforedragNumerical comparison of Ensemble Kalman Filter and Randomized maximum Likelihood– ECMOR XIII - 13'th European Conference on the Mathematics of Oil Recovery 2012
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Vitenskapelig artikkelData Assimilation Using the Constrained Ensemble Kalman Filter– SPE Journal 2011
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Vitenskapelig artikkelJoint Updating of Petrophysical Properties and Discrete Facies Variables From Assimilating Production Data Using the EnKF– SPE Journal 2011
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Vitenskapelig artikkelDistributed parameter and state estimation in petroleum reservoirs– Computers & Fluids 2011
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Vitenskapelig artikkelCharacterization of permeability and porosity from nanosensor observations– Advances in Water Resources 2011
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Vitenskapelig artikkelRecent progress on reservoir history matching: a review– Computational Geosciences 2011
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Vitenskapelig artikkelEvaluation and error analysis: Kalman gain regularization versus covariance regularization– Computational Geosciences 2011
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Vitenskapelig artikkelUpdating Markov chain models using the ensemble Kalman filter– Computational Geosciences 2011
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Vitenskapelig oversiktsartikkelThe ensemble Kalman filter in reservoir engineering - a review– SPE Journal 2009