Kristian Fossum
Senior Researcher
krfo@norceresearch.no
+47 56 10 71 13
Nygårdsgaten 112, 5008 Bergen, Norway
Division
Energy and Technology
Research Groups
Data Assimilation and Optimization
More information about Kristian
Projects
Publications
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Academic articleBayesian model evaluation for multiple scenarios– Computational Geosciences 2023
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Academic articleSequential multilevel assimilation of inverted seismic data– Computational Geosciences 2023
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Academic articleEnhancing the Detectability of Deep-Sensing Borehole Electromagnetic Instruments by Joint Inversion of Multiple Logs Within a Probabilistic Geosteering Workflow– Petrophysics 2023
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Academic chapterTowards Application of Multilevel Data Assimilation in Realistic Reservoir History-Matching Problems– 2022
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Conference lectureGeosteering results: It's time to understand where the bit is heading– Annual seminar SFI DigiWells 2022
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Conference lectureVerification of a real-time method for updating the geosteering earth model based on GAN– Geosteering and Formation Evaluation Workshop by NORCE and NFES 2022
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Academic articleVerification of a real-time ensemble-based method for updating earth model based on GAN– Journal of Computational Science 2022
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Conference lectureAccounting for Multilevel Modeling Error in Multilevel Data Assimilation– SIAM Uncertainty Quantification 2022 2022
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Academic articleIterative multilevel assimilation of inverted seismic data– Computational Geosciences 2022
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Conference lectureMultilevel Ensemble-Based Data Assimilation for Subsurface Flow Problems– SIAM Conference on Uncertainty Quantification (UQ22) 2022
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Academic articleEnsemble-Based Well-Log Interpretation and Uncertainty Quantification for Well Geosteering– Geophysics 2022
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Academic chapterProbabilistic forecasting for geosteering in fluvial successions using a generative adversarial network (conference extended abstract)– 2021
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Academic chapterReducing 3D uncertainty by an ensemble-based geosteering workflow: an example from the Goliat field– 2021
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Conference lectureApproximately accounting for multilevel modeling error in multilevel data assimilation– 2021 International EnKF workshop 2021
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Conference lectureReducing 3D uncertainty by an ensemble-based geosteering workflow: an example from the Goliat field– 3rd EAGE/SPE Geosteering Workshop 2021
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Conference lectureProbabilistic forecasting for geosteering in fluvial successions using a generative adversarial network– 3rd EAGE/SPE Geosteering Workshop 2021
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Conference lectureUsing generative adversarial networks for probabilistic predictions of complex geology ahead of drilling– Mechanistic Machine Learning and Digital Twins for Computational Science, Engineering & Technology 2021
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Academic articleProbabilistic forecasting for geosteering in fluvial successions using a generative adversarial network– First Break 2021
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Academic literature review4D seismic history matching– Journal of Petroleum Science and Engineering 2021
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Academic articleDeep learning for prediction of complex geology ahead of drilling– Lecture Notes in Computer Science (LNCS) 2021
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Conference lectureDeep learning for prediction of complex geology ahead of drilling– ICCS 2021: INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE 2021
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Conference lectureAssessment of correlation-based localization techniques– 2021 EnKF Workshop 2021
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Conference lectureModel probabilities and hierarchical modeling– 2021 EnKF Workshop 2021
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Academic articleMultilevel Assimilation of Inverted Seismic Data With Correction for Multilevel Modeling Error– Frontiers in Applied Mathematics and Statistics 2021
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Academic chapterReal-Time Ensemble-Based Well-Log Interpretation for Geosteering– 2021
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Conference lectureREAL-TIME ENSEMBLE-BASED WELL-LOG INTERPRETATION FOR GEOSTEERING– SPWLA 62nd Annual Symposium 2021
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Conference lectureProbabilistic Geological Predictions and EM-Log Modelling using Deep Neural Networks– NFES Stavanger Monthly Technical Meeting 2021
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Academic chapterA novel approach to multilevel data assimilation– 2020
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Conference lectureSensitivity analysis of an iterative ensemble Kalman filter method to interpret geothermal well logging– 8th European Geothermal Workshop 2020
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Academic articleAssessment of multilevel ensemble-based data assimilation for reservoir history matching– Computational Geosciences 2020
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Academic chapterAssisted History Matching of 4Dseismic Data - A Comparative Study– 2019
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Conference lectureA Geosteeering Decision Support System that Balances Recovery and Drilling Risks– Formation Evaluation and Geosteering Workshop 2019
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Conference lectureRealtime multi-objective optimization of well trajectory under geological uncertainty– ICIAM 2019 Congress 2019
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Conference lectureMultilevel Assimilation of Geophysical Data– ICIAM 19 - International congress on industrial and applied mathematics 2019
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Academic articleA decision support system for multi-target geosteering– Journal of Petroleum Science and Engineering 2019
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Conference lectureA novel multilevel method for assimilating spatially dense data– 13th International EnKF Workshop 2018
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Academic articleAssimilating spatially dense data for subsurface applications - balancing information and degrees of freedom– Computational Geosciences 2018
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Conference lectureMulti-level ensemble based data assimilation– 12th international EnKF workshop 2017
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Conference lectureGeneric approaches to reducing data-assimilation Monte-Carlo error for subsurface applications– SIAM Conference on Mathematical and Computational Issues in the Geosciences 2017
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Academic articleCoarse-scale data assimilation as a generic alternative to localization– Computational Geosciences 2017
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Conference lectureSeismic 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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Conference lectureCoarse-scale modelling for improved covariance estimation– 10th International EnKF Workshop 2015
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Academic articleAssessment of ordered sequential data assimilation– Computational Geosciences 2015
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Academic articleParameter sampling capabilities of sequential and simultaneous data assimilation: II. Statistical analysis of numerical results– Inverse Problems 2014
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Academic articleParameter sampling capabilities of sequential and simultaneous data assimilation: I. Analytical comparison– Inverse Problems 2014
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Conference lectureEvaluation of ordered sequential assimilation for improved EnKF sampling– ECMOR XIV - 14'th European Conference on the Mathematics of Oil Recovery 2014
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Conference lectureNumerical comparison of Ensemble Kalman Filter and Randomized maximum Likelihood– ECMOR XIII - 13'th European Conference on the Mathematics of Oil Recovery 2012
