| History matching the full Norne field model using seismic and production data RJ Lorentzen, X Luo, T Bhakta, R Valestrand SPE Journal 24 (04), 1452-1467, 2019 | 48 | 2019 |
| Simultaneous assimilation of production and seismic data: application to the Norne field RJ Lorentzen, T Bhakta, D Grana, X Luo, R Valestrand, G Nævdal Computational Geosciences 24 (2), 907-920, 2020 | 40 | 2020 |
| Correlation-based adaptive localization for ensemble-based history matching: Applied to the Norne field case study X Luo, RJ Lorentzen, R Valestrand, G Evensen SPE Reservoir Evaluation & Engineering 22 (03), 1084-1109, 2019 | 37 | 2019 |
| Natural and conventional tracers for improving reservoir models using the EnKF approach O Huseby, R Valestrand, G Noevdal, J Sagen SPE Journal 15 (04), 1047-1061, 2010 | 35 | 2010 |
| The effect of including tracer data in the ensemble-Kalman-filter approach R Valestrand, J Sagen, G Nævdal, O Huseby SPE Journal 15 (02), 454-470, 2010 | 24 | 2010 |
| Comparing the adaptive Gaussian mixture filter with the ensemble Kalman filter on synthetic reservoir models AS Stordal, R Valestrand, HA Karlsen, G Nævdal, HJ Skaug Computational Geosciences 16, 467-482, 2012 | 19 | 2012 |
| The significance of violated assumptions on core analysis results JE Nordtvedt, H Urkedal, E Ebeltoft, K Kolltveit, EB Petersen, A Sylte, ... Proc. Symp. SCA International Symposium, SCA 9931, 1999 | 18 | 1999 |
| Facies parameterization and estimation for complex reservoirs-the Brugge field Y Chang, AS Stordal, R Valestrand SPE Norway Subsurface Conference?, SPE-173872-MS, 2015 | 9 | 2015 |
| Refined adaptive Gaussian mixture filter-Application on a real field case R Valestrand, G Nævdal, A Shafieirad, AS Stordal, L Dovera SPE Europec featured at EAGE Conference and Exhibition?, SPE-154479-MS, 2012 | 9 | 2012 |
| History matching of real production and seismic data in the Norne field R Lorentzen, T Bhakta, D Grana, X Luo, R Valestrand, G Nævdal ECMOR XVI-16th European conference on the mathematics of oil recovery 2018 …, 2018 | 8 | 2018 |
| Integrated work flow of preserving facies realism in history matching: Application to the Brugge field Y Chang, AS Stordal, R Valestrand SPE Journal 21 (04), 1413-1424, 2016 | 8 | 2016 |
| History matching Norne reservoir and petroelastic models using seismic impedance with correlated noise R Lorentzen, X Luo, T Bhakta, R Valestrand working paper, 2018 | 7 | 2018 |
| Extension of methodology for the determination of two-phase porous media property functions R Valestrand, AA Grimstad, K Kolltveit, JE Nordtvedt, J Phan, AT Watson Inverse Problems in Engineering 11 (4), 289-307, 2003 | 7 | 2003 |
| Simultaneous determination of absolute and relative permeabilities R Valestrand, AA Grimstad, K Kolltveit, G Nævdal, JE Nordtvedt International journal of thermal sciences 41 (6), 546-556, 2002 | 6 | 2002 |
| Smart wells for improved water management in the presence of geological uncertainty R Valestrand, A Khrulenko, DG Hatzignatiou SPE Norway Subsurface Conference?, SPE-169223-MS, 2014 | 5 | 2014 |
| Natural and conventional tracers for improving reservoir models using the EnKF approach. Paper SPE 121190 Presented at the 2009 SPE EUROPEC O Huseby, R Valestrand, G Naevdal, J Sagen EAGE Annual Conference and Exhibition. Amsterdam, The Netherlands, 22p, 2009 | 5 | 2009 |
| Evaluation of EnKF and Variants on the PUNQ-S3 Case R Valestrand, G Nævdal, AS Stordal Oil & Gas Science and Technology–Revue d’IFP Energies nouvelles 67 (5), 841-855, 2012 | 4 | 2012 |
| The Effect of Including Tracer Data in the EnKF Approach R Valestrand, J Sagen, G Nævdal, O Huseby, S Forghany SPE Improved Oil Recovery Conference?, SPE-113440-MS, 2008 | 4 | 2008 |
| On an alternative implementation of the iterative ensemble smoother and its application to reservoir facies estimation X Luo, Y Chen, R Valestrand, A Stordal, R Lorentzen, G Nævdal ECMOR XIV-14th European conference on the mathematics of oil recovery 2014 …, 2014 | 3 | 2014 |
| NMR characterizations of properties of heterogeneous media J Uh, J Phan, D Xue, AT Watson National Energy Technology Lab.(NETL), Tulsa, OK (United States). National …, 2003 | 3 | 2003 |
