
Assistant Research Director SAND
Ragnar Hauge
- Department Statistical analysis of natural resource data
- Mobile phone +47 473 18 690
- Phone number +47 22 85 26 65
- E-mail hauge@nr.no
Projects
Publications
- 256 publications found
- Publisher
Latent diffusion model for conditional reservoir facies generation Computers & Geosciences, vol. 194, (ISSN 0098-3004 1873-7803 ), doi: https://doi.org/10.1016/j.cageo.2024.105750 , 2025. Scientific article
A Statistical Study of Latent Diffusion Models for Geological Facies Modeling Mathematical Geosciences, (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-025-10178-5 , 2025. Scientific article
Using Pattern Counts to Quantify the Difference Between a Pair of Three-Dimensional Realizations Mathematical Geosciences, vol. 56, pp. 1629 1639 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-024-10145-6 , 2024. Scientific article
Addressing Configuration Uncertainty in Well Conditioning for a Rule-Based Model Mathematical Geosciences, vol. 56, pp. 1763 1788 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-024-10144-7 , 2024. Scientific article
Ingrid Aarnes; Ragnar Hauge; Øivind Due Trier; Ola Haug; Ariel Almendral Vazquez; Hierarkisk modell for naturtyper til bruk i naturregnskap NR-notat, 2024. Abstract
A Tree Representation of Pluri-Gaussian Truncation Rules Mathematical Geosciences, vol. 57, (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-024-10162-5 , 2024. Scientific article
Bayesian seismic 4D inversion for lithology and fluid prediction Geophysics, vol. 89, pp. R551 R567 , (ISSN 0016-8033 1942-2156 ), doi: https://doi.org/10.1190/GEO2024-0092.1 , 2024. Scientific article
A statistical study of latent diffusion models for geological modeling 2024. Scientific lecture
Ingrid Aarnes; Jacob Skauvold; Ragnar Hauge; Ariel Almendral Vazquez; Marie Lilleborge; et al. GEOPARD 1.0 user manual NR-notat, 2024. Abstract
Modelling intra-parasequence reservoir heterogeneity with a process-mimicking algorithm: a case study from the Kenilworth Member, Blackhawk Formation EarthArXiv preprint platform, doi: https://doi.org/10.31223/X58981 , 2024. Scientific article
Joint 4D inversion of fluid saturation and lithology 2024. Scientific lecture
Simultaneous time shift and LFC inversion in PCube+ 2024. Report
GEOPARD 1.0 user manual 2024. Report
PCube User Manual Version 10.5 2024. Report
Noise model setup QC in PCube+ 2023. Report
Conditional Facies Sampling using Denoising Diffusion Probabilistic Models 2023. Scientific lecture
Sjakkjuks 2023. Report
Next generation reservoir modelling algortithms - Shallow marine environments 2023. Scientific lecture
A transparent time shift noise model 2023. Report
PCube User Manual version 10.0 2023. Report
PCube reference manual 2023. Report
Latent Diffusion Model for Conditional Reservoir Facies Generation arXiv, 2023. Scientific article
PCube+ likelihood approximation outside the window: Generalization of Reduced Gaussian mixture 2023. Report
Audun Sektnan; Ariel Almendral Vazquez; Ragnar Hauge; Ingrid Aarnes; Jacob Skauvold; et al. A Tree Representation of Plurigaussian Truncation Rules ECMOR Proceedings, vol. 2022, pp. 17 , doi: https://doi.org/10.3997/2214-4609.202244066 , 2022. Scientific article
Modelling fluvial environments 2022. Lecture
The Geopard project 2022. Scientific lecture
Estimate Reservoir Properties 2022. Report
Seismic Tiles with application to 4D 2022. Report
A Tree Representation of Plurigaussian Truncation Rules doi: https://doi.org/10.3997/2214-4609.202244066 , 2022. Scientific chapter / article / conference article
Time-lapse Bayesian AVO inversion applied to the Edvard Grieg field in the North Sea SEG technical program expanded abstracts, (ISSN 1949-4645 ), doi: https://doi.org/10.1190/image2022-3745774.1 , 2022. Scientific article
PCube User Manual Version 9.0 2021. Report
Spatial Bayesian lithology/fluid class inversion 2021. Scientific lecture
Edvard Grieg 4D inversion results 2021. Report
Improved Monitor Continuity in PCube+ 4D 2021. Report
Focused inversion likelihood analysis 2021. Report
Unknown predictions in PCube+ 2021. Report
PCube+ window likelihood approximation 2021. Report
Bayesian seismic inversion for stratigraphic horizon, lithology, and fluid prediction Geophysics, vol. 85, pp. R207 R221 , (ISSN 0016-8033 1942-2156 ), doi: https://doi.org/10.1190/geo2019-0170.1 , 2020. Scientific article
PCube+ User Manual Version 8.0 2020. Report
Time lapse AVO inversion for the Heidrun field in the Norwegian Sea 2020. Scientific lecture
4D synthetic tests 2020. Report
Consequences of changes in grid resolution for process model based variogram estimation 2020. Report
Applied Geostatistics and Geomodelling 2019 2019. Lecture
PCube+ principles 2019. Lecture
PCube+ principles 2019. Lecture
Utilizing sedimentary process-based models as training images for multipoint facies simulations Bulletin of Canadian petroleum geology, vol. 67, pp. 217 230 , (ISSN 0007-4802 ), doi: https://doi.org/10.35767/gscpgbull.67.4.217 , 2019. Scientific article
Estimation of rock cuttings size from images 2019. Report
PCube+ and focused inversion testing 2019. Report
Deep learning in seismic interpretation 2019. Report
Optimizing performance of BreastScreen Norway using value of information in graphical models Statistics in Medicine, vol. 37, pp. 1531 1549 , (ISSN 0277-6715 1097-0258 ), doi: https://doi.org/10.1002/sim.7601 , 2018. Scientific article
Facies modelling of a real-life fluvial system using a modern object-based algorithm 2018. Scientific lecture
Deep marine modelling with RMS on Karoo 2018. Report
PCube+: Focused inversion testing 2018. Report
Direct inversion for horizon location 2018. Report
Testing of PCube+ 2018. Report
Object-Based Modeling with Dense Well Data Quantitative Geology and Geostatistics, vol. 19, pp. 557 572 , (ISSN 0924-1973 ), doi: https://doi.org/10.1007/978-3-319-46819-8_37 , 2017. Scientific article
Probabilistic prediction of lithology-fluid-classes from seismic - A North Sea case study 2017. Scientific lecture
Applying Truncated Gaussian Fields to describe geology 2017. Scientific lecture
Prototype Turbidite Modelling 2017. Report
Direct inversion for horizon location 2017. Report
Geostatistics course 2016. Lecture
Rock.XML - Towards a library of rock physics models Computers & Geosciences, vol. 93, pp. 63 69 , (ISSN 0098-3004 1873-7803 ), doi: https://doi.org/10.1016/j.cageo.2016.04.011 , 2016. Scientific article
Bayesian AVO inversion to rock properties using a local neighborhood in a spatial prior model The Leading Edge, vol. 35, pp. 431 436 , (ISSN 1070-485X 1938-3789 ), doi: https://doi.org/10.1190/tle35050431.1 , 2016. Scientific article
Pcube+ - high-resolution horizon update by prestack inversion, a Statfjord case history 2016. Scientific lecture
Object-based modelling with dense well data 2016. Scientific lecture
Panther Tongue Modelling with RMS – Part II 2016. Report
PCube inversion study in the greater Alvheim area 2016. Report
Hess Inversion 2016 2016. Report
Monte Carlo study of well decommissioning strategies 2016. Report
Updated study of well decommissioning strategies 2016. Report
PCube User Manual Version PCube+ 6.0 2016. Report
Quality control of runs in PCube and PCube+ 2016. Report
Panther Tongue Modelling with RMS – Part III 2016. Report
A volume-conserving representation of cell faces in corner point grids Computational Geosciences, vol. 20, pp. 453 460 , (ISSN 1420-0597 1573-1499 ), doi: https://doi.org/10.1007/s10596-015-9500-0 , 2015. Scientific article
Information Gathering in Bayesian Networks Applied to Petroleum Prospecting Mathematical Geosciences, vol. 48, pp. 233 257 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-015-9616-8 , 2015. Scientific article
Efficient Optimization of Exploration Drilling Campaigns with Convergent Information Bounds 2015. Scientific lecture
Panther Tongue Modelling with RMS 2015. Report
Stochastic inversion for fracture density 2015. Report
Turbidite prototype interface 2015. Report
Gabriele Martinelli; Jo Eidsvik; Ketil Hokstad; Ragnar Hauge; Strategies for Petroleum Exploration on the Basis of Bayesian Networks: A Case Study SPE Journal, vol. 19, pp. 564 575 12 , (ISSN 1086-055X 1930-0220 ), doi: https://doi.org/10.2118/159722-PA , 2014. Scientific article
A Volume-conserving Representation of Cell Faces in Corner Point Grids doi: https://doi.org/10.3997/2214-4609.20141859 , 2014. Scientific chapter / article / conference article
A Volume-conserving Representation of Cell Faces in Corner Point Grids 2014. Scientific lecture
Efficient Information gathering in Bayesian Network models for Petroleum Prospecting 2014. Scientific lecture
Information gathering in Bayesian Networks with a taste of almonds and petroleum 2014. Scientific lecture
Information Gathering in Bayesian Networks with an Application to Petroleum Prospecting 2014. Scientific lecture
Monitoring Geological CO2 storage , 2013. Poster
Dynamic decision making for graphical models applied to oil exploration European Journal of Operational Research, vol. 230, pp. 688 702 , (ISSN 0377-2217 1872-6860 ), doi: https://doi.org/10.1016/j.ejor.2013.04.057 , 2013. Scientific article
Modeling Dependencies Between Oil Exploration Prospects with Bayesian Networks 2013. Scientific lecture
Measures of Information for Bayesian Networks 2013. Scientific lecture
XML structure for rock physics models 2013. Report
CRAVA User Manual version 2.0 2013. Report
New Object Model Technical Documentation 2013. Report
New Object Model User Manual version 1.0 2013. Report
Turbidite modeling with RMS 2013. Report
Model-based fluid factor for controlled source electromagnetic data Geophysics, vol. 77, pp. E21 E31 , (ISSN 0016-8033 1942-2156 ), doi: https://doi.org/10.1190/GEO2010-0300.1 , 2012. Scientific article
Geostatistics Oslo 2012 (ISSN 9789400741522 ), , 2012. Scientific anthology / conference series
Strategies for petroleum exploration based on Bayesian Networks: a case study doi: https://doi.org/10.2118/159722-ms , 2012. Scientific chapter / article / conference article
PCube 2012 Arbeidsbeskrivelse 2012. Report
CRAVA User Manual version 1.1 , 2012. Report
CRAVA User Manual version 1.2 , 2012. Report
A Stochastic Object Model Conditioned to High-Quality Seismic Data Mathematical Geosciences, vol. 43, pp. 763 781 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-011-9355-4 , 2011. Scientific article
Bayesian networks for prospect analysis in the North Sea American Association of Petroleum Geologists Bulletin, vol. 95, pp. 1423 1442 , (ISSN 0149-1423 1558-9153 ), doi: https://doi.org/10.1306/01031110110 , 2011. Scientific article
On using Bayesian networks for modeling dependencies between prospects in oil exploration 2011. Scientific lecture
The value of sequential prospect selection 2011. Scientific lecture
Geostatistics course 2011. Lecture
Truncated Gaussian simulations. An investigation of sequential and plurigaussian approaches, and further extensions 2011. Report
PCube 2011 Arbeidsbeskrivelse 2011. Report
Next generation object model 2011. Report
CRAVA User Manual version 1.1 2011. Report
PCube 2010 arbeidsbeskrivelse 2011. Report
Bayesian Monte Carlo method for seismic predrill prospect assessment Geophysics, vol. 75, pp. O9 O19 , (ISSN 0016-8033 1942-2156 ), doi: https://doi.org/10.1190/1.3339678 , 2010. Scientific article
Deriving Deterministic Facies Probabilities from Stochastic Inversion 2010. Scientific lecture
Local update of object models 2010. Scientific lecture
Integration of seismic data and uncertainties in the facies model; application to the Snorre field 2010. Scientific lecture
CRAVA course for NORSAR 2010. Lecture
Geostatistics course 2010. Lecture
The C++ coding standard for SAND - Second Edition , 2010. Report
CRAVA USer Manual version 0.9.6 2010. Report
From Volume to Value - a tool for decision support. Documentation and user manual - revised edition 2010. Report
Computation of horizon gradients from seismic , 2010. Report
CRAVA Exercises 2010. Report
ADAPTIVE INDEPENDENT METROPOLIS-HASTINGS The Annals of Applied Probability, vol. 19, pp. 395 413 , (ISSN 1050-5164 2168-8737 ), doi: https://doi.org/10.1214/08-AAP545 , 2009. Scientific article
Local Update of Object-Based Geomodels SPE Reservoir Evaluation and Engineering, vol. Volume 12, Number 3, June 2009, pp. 446 454 , (ISSN 1094-6470 1930-0212 ), 2009. Scientific article
Stochastic Modeling of Objects Extracted From High-Quality Seismic Data , 2009. Scientific chapter / article / conference article
Integrating Stochastic Rock Physics in Seismic Pre-drill Prospect Risk and Reservoir Quality Assessment , 2009. Scientific lecture
Bayesianske nettverk og oljeleiting 2009. Scientific lecture
CRAVA course for Statoil 2009. Lecture
Choice of linear algebra libraries for NRLib , 2009. Report
Ragnar Hauge; Debating decriminalization of drug use in Norway Nordic Studies on Alcohol and Drugs (NAD), pp. 427 431 , , 2009. Article feature
Local Update of Object-Based Geomodels , 2008. Poster
Bayesian lithology and fluid prediction from seismic prestack data Geophysics, vol. 73, pp. C13 C21 , (ISSN 0016-8033 1942-2156 ), doi: https://doi.org/10.1190/1.2842150 , 2008. Scientific article
Palisade - quantifying risk Digital Energy journal, 2008. Reader opinion
Multidimensional Scaling and Anisotropic Covariance Functions pp. 187 196 , 2008. Scientific chapter / article / conference article
TuMod – Process Based Stochastic Modelling of Deep Marine Deposits 2008. Scientific lecture
Stochastic modelling of deep marine deposits by mimicking sedimentary processes 2008. Scientific lecture
From Geological Knowledge to Good Decisions using @Risk models 2008. Scientific lecture
Estimation of facies probabilities on the Snorre field using AVA inversion , 2008. Scientific lecture
Fast Bayesian Seismic Prestack Inversion with Consistent Coupling to Rock Physics 2008. Scientific lecture
New sedseis. Technical documentation 2008. Report
Modification of the Snesim Algorithm 2008. Report
Well conditioning in object models Mathematical Geology, vol. 39, (ISSN 0882-8121 1573-8868 ), doi: https://doi.org/10.1007/s11004-007-9102-z , 2007. Scientific article
Process based modelling of deep marine reservoir systems 2007. Scientific lecture
Feasibility of lithology and fluid prediction from seismic data 2007. Scientific lecture
Geostatistical AVO Inversion on a Deep-water Oil Field , 2007. Scientific lecture
Process Based Stochastic Modeling of Deep Marine Reservoirs , 2007. Scientific lecture
Fast Bayesian prediction of lithology and fluid classes and rock properties from seismic data 2007. Scientific lecture
Modification of the SNESIM algorithm , 2007. Scientific lecture
Depth-to-time conversion errors in Bayesian seismic wavelet estimation , 2007. Scientific lecture
Stochastic modelling of deep - marine deposits , 2007. Scientific lecture
A process based attempt to re-create the Peïra Cava sub-basin, SE France , 2007. Scientific lecture
Geostatistics course 2007. Lecture
Local update of object models in RMS , 2007. Report
Conditioning on distance from well to object edge , 2007. Report
Object models with vector steering Mathematical Geology, vol. 38, pp. 17 32 , (ISSN 0882-8121 1573-8868 ), doi: https://doi.org/10.1007/s11004-005-9001-0 , 2006. Scientific article
SAND-gruppa på NR Tilfeldig gang, (ISSN 0803-8953 0806-7406 ), 2006. Reader opinion
Use of Simple Stochastic Models for North Sea Field-Development Decisions Journal of Petroleum Technology, vol. 58, pp. 56 57 , (ISSN 0149-2136 1944-978X ), 2006. Reader opinion
From Geological Models to Good Decisions Using Simple Stochastic Models, a North Sea Case Study 2006. Scientific lecture
Geostatistical AVO inversion on Smørbukk Sør 2006. Scientific lecture
Stochastic modelling of objects seen on seismic , 2006. Scientific lecture
Sedseis with uncertainty 2006. Report
Multiprior facies inversion 2006. Report
Geostatistical Inversion Using the CRAVA Program 2006. Report
CRAVA inversion and its application into geomodelling: Experiences and recommendations from a case study on the Smørbukk field Statoil Report, pp. 100 100 , 2005. Article journal
Stochastic modelling of objects seen on seismic 2005. Scientific lecture
Geological modelling with marked point processes 2005. Scientific lecture
From geological knowledge to good decisions using simple stochastic models, a north sea case study 2005. Scientific lecture
Bayesian AVO Inversion and Application to a Case Study , 2005. Scientific lecture
Inversion based volume asessment 2005. Report
A short note on Sedseis 2005. Report
Rock physics simulations and seismic amplitudes 2005. Report
Program documentation for CRAVA 2004. Report
Analysis of 4D seismic data on Njord 2004. Report
Analysis of seismic data on Oseberg Alfa Nord 2004. Report
Modelling turbidite reservoirs using object models 2003. Poster
A note on arbitrage-free pricing of forward contracts in energy markets Applied Mathematical Finance, vol. 10, pp. 325 336 , (ISSN 1350-486X 1466-4313 ), doi: https://doi.org/10.1080/1350486032000160777 , 2003. Scientific article
SPE 84053 Modeling Facies Bodies and Petrophysical Trends in Turbidite Reservoirs 2003. Scientific chapter / article / conference article
Combining elastic inversion data into a facies probability cube 2003. Scientific lecture
Thinning of well data in the RMS module Facies Belts 2003. Report
Object models with vector steering , 2003. Report
Parameter estimation in the RMS module Facies Belts 2003. Report
Choosing objective function for conditioning on production data Ukjent, 2002. Scientific article
Choosing objective function for conditioning on production data 2002. Scientific chapter / article / conference article
Combining elastic impedances into probabilities for sand in the Western Fault Block of the Snorre reservoir 2002. Report
Optimizing geological input to Eclipse: Ranking 3D model realizations using well pressures in Lunde fm., Snorre field 2002. Report
Validation of facies object models 2001. Scientific lecture
Conditioning in a marked point process used for modelling geology 2001. Scientific lecture
Estimation of gross rock volume of filled geological structures with uncertainty measures SPE Reservoir Evaluation and Engineering, vol. 3, pp. 304 309 , (ISSN 1094-6470 1930-0212 ), doi: https://doi.org/10.2118/65419-PA , 2000. Scientific article
Conditioning fluvial models on steady-state well rates 2000. Scientific chapter / article / conference article
History matching in object models 2000. Scientific chapter / article / conference article
History matching using geostatistics 2000. Scientific lecture
Conditioning reservoir models 2000. Scientific lecture
Conditioning on data in stochastic reservoir models 2000. Scientific lecture
Risk analysis of energy product portfolios 2000. Report
Well conditioning in a fluvial reservoir model Mathematical Geology, vol. 31 No 7, pp. 857 872 , (ISSN 0882-8121 1573-8868 ), 1999. Scientific article
History matching in object models , 1999. Report
Local updating of fluvial realisations , 1999. Report
Modeling of fluvial reservoirs with object models Mathematical Geology, vol. 30, pp. 473 496 , (ISSN 0882-8121 1573-8868 ), 1998. Scientific article
Conditioning a fluvial model on convolved seismic amplitudes , 1998. Scientific lecture
Conditioning object models to general well data 1998. Scientific lecture
Uncertain Cap Rock Geometry, Spill Point, and Gross Rock Volume, SPE 49286 1998. Scientific lecture
Conditioning a fluvial model on seismic data 1997. Scientific chapter / article / conference article
Well conditioning in a fluvial reservoir model , 1997. Scientific lecture
Reducing N/G uncertainty for infill drilling on Forties by using 3D seismic conditioning 1997. Scientific lecture
Multiwell conditioning of object models for fluvial reservoir 1997. Scientific lecture
HCPV studium for PL199b 1997. Report
FLUVIAL - Improved seismic conditioning , 1996. Report
Conditioning stochastic reservoir models on seismic amplitude traces - Stochastic inversion and simulation 1996. Report
Estimation of reserves with unknown spillpoint , 1996. Report