| Results of the Brugge benchmark study for flooding optimization and history matching E Peters, RJ Arts, GK Brouwer, CR Geel, S Cullick, RJ Lorentzen, Y Chen, ... SPE Reservoir Evaluation & Engineering 13 (03), 391-405, 2010 | 506 | 2010 |
| Iterative ensemble smoother as an approximate solution to a regularized minimum-average-cost problem: theory and applications X Luo, AS Stordal, RJ Lorentzen, G Nævdal SPE Journal 20 (05), 962-982, 2015 | 149 | 2015 |
| A new approach for dynamic optimization of waterflooding problems RJ Lorentzen, AM Berg, G Naevdal, EH Vefring SPE Intelligent Energy International Conference and Exhibition, SPE-99690-MS, 2006 | 146 | 2006 |
| An iterative ensemble Kalman filter RJ Lorentzen, G Nævdal IEEE Transactions on Automatic Control 56 (8), 1990-1995, 2011 | 138 | 2011 |
| Tuning of parameters in a two-phase flow model using an ensemble Kalman filter RJ Lorentzen, G Nævdal, ACVM Lage International Journal of Multiphase Flow 29 (8), 1283-1309, 2003 | 111 | 2003 |
| Underbalanced and low-head drilling operations: Real time interpretation of measured data and operational support RJ Lorentzen, KK Fjelde, J Frøyen, ACVM Lage, G Nævdal, EH Vefring SPE Annual Technical Conference and Exhibition?, SPE-71384-MS, 2001 | 105 | 2001 |
| Analysis of the ensemble Kalman filter for estimation of permeability and porosity in reservoir models RJ Lorentzen, G Naevdal, B Valles, AM Berg, AA Grimstad SPE Annual Technical Conference and Exhibition?, SPE-96375-MS, 2005 | 103 | 2005 |
| History matching channelized reservoirs using the ensemble Kalman filter RJ Lorentzen, KM Flornes, G Nævdal SPE Journal 17 (01), 137-151, 2012 | 99 | 2012 |
| Waterflooding optimization using gradient based methods M Asadollahi, G Naevdal SPE/EAGE Reservoir Characterization & Simulation Conference, cp-170-00021, 2009 | 76 | 2009 |
| Tuning of computer model parameters in managed-pressure drilling applications using an unscented-kalman-filter technique JE Gravdal, RJ Lorentzen, KK Fjelde, EH Vefring SPE Journal 15 (03), 856-866, 2010 | 67 | 2010 |
| Estimating facies fields by use of the ensemble Kalman filter and distance functions—applied to shallow-marine environments RJ Lorentzen, G Nævdal, A Shafieirad SPE Journal 18 (01), 146-158, 2013 | 63 | 2013 |
| Closed loop reservoir management using the ensemble Kalman filter and sequential quadratic programming RJ Lorentzen, A Shafieirad, G Naevdal SPE Reservoir Simulation Conference?, SPE-119101-MS, 2009 | 62 | 2009 |
| Underbalanced drilling: Real time data interpretation and decision support RJ Lorentzen, KK Fjelde, J Frøyen, ACVM Lage, G Nævdal, EH Vefring SPE/IADC Drilling Conference and Exhibition, SPE-67693-MS, 2001 | 61 | 2001 |
| Use of slopelimiter techniques in traditional numerical methods for multi‐phase flow in pipelines and wells RJ Lorentzen, KK Fjelde International Journal for Numerical Methods in Fluids 48 (7), 723-745, 2005 | 57 | 2005 |
| Reservoir characterization during underbalanced drilling (UBD): Methodology and active tests EH Vefring, G Nygaard, RJ Lorentzen, G Naevdal, KK Fjelde SPE Journal 11 (02), 181-192, 2006 | 54 | 2006 |
| 4D seismic history matching DS Oliver, K Fossum, T Bhakta, I Sandø, G Nævdal, RJ Lorentzen Journal of Petroleum Science and Engineering 207, 109119, 2021 | 53 | 2021 |
| 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 | 51 | 2019 |
| Wired drill pipe telemetry enables real-time evaluation of kick during managed pressure drilling JE Gravdal, RJ Lorentzen, RW Time SPE Asia pacific oil and gas conference and exhibition, SPE-132989-MS, 2010 | 51 | 2010 |
| Optimization of well trajectory under uncertainty for proactive geosteering Y Chen, RJ Lorentzen, EH Vefring SPE Journal 20 (02), 368-383, 2015 | 50 | 2015 |
| Reservoir characterization during underbalanced drilling: Methodology, accuracy, and necessary data EH Vefring, G Nygaard, KK Fjelde, RJ Lorentzen, G Nævdal, A Merlo SPE Annual Technical Conference and Exhibition?, SPE-77530-MS, 2002 | 45 | 2002 |
Geir NævdalNORCE Norwegian Research Centre ASVerified email at norceresearch.no