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R. J. Lorentzen
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Proceedings Papers

A Novel Ensemble-Based Conjugate Gradient Method for Reservoir Management

Y. T. Zhang, A. S. Stordal, R. J. Lorentzen, Y.. Chang
Paper presented at the SPE Norway One Day Seminar, April 18, 2018
Paper Number: SPE-191347-MS
https://doi.org/10.2118/191347-MS
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Proceedings Papers

Practical Use of the Ensemble-Based Conjugate Gradient Method for Production Optimization in the Brugge Benchmark Study

Y. T. Zhang, R. J. Lorentzen, A. S. Stordal
Paper presented at the SPE Norway One Day Seminar, April 18, 2018
Paper Number: SPE-191314-MS
https://doi.org/10.2118/191314-MS
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View Paper titled, Practical Use of the Ensemble-Based Conjugate Gradient Method for Production Optimization in the Brugge Benchmark Study
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Journal Articles

Estimation of Production Rates by Use of Transient Well-Flow Modeling and the Auxiliary Particle Filter: Full-Scale Applications

R. J. Lorentzen, A. S. Stordal, X.. Luo, G.. Nævdal
Journal: SPE Production & Operations
Publisher: Society of Petroleum Engineers (SPE)
SPE Prod & Oper 31 (02): 163–175.
Paper Number: SPE-176033-PA
https://doi.org/10.2118/176033-PA
Published: 17 May 2016
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View article titled, Estimation of Production Rates by Use of Transient Well-Flow Modeling and the Auxiliary Particle Filter: Full-Scale Applications
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Proceedings Papers

Wired Drill Pipe Telemetry Enables Real-Time Evaluation of Kick During Managed Pressure Drilling

J. E. Gravdal, R. J. Lorentzen, R. W. Time
Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 18–20, 2010
Paper Number: SPE-132989-MS
https://doi.org/10.2118/132989-MS
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View Paper titled, Wired Drill Pipe Telemetry Enables Real-Time Evaluation of Kick During Managed Pressure Drilling
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Journal Articles

Results of the Brugge Benchmark Study for Flooding Optimization and History Matching

E. Peters, R. J. Arts, G. K. Brouwer, C. R. Geel, S. Cullick, R. J. Lorentzen, Y. Chen, K. N. B. Dunlop, F. C. Vossepoel, R. Xu, P. Sarma, A. H. Alhutali, A. C. Reynolds
Journal: SPE Reservoir Evaluation & Engineering
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 13 (03): 391–405.
Paper Number: SPE-119094-PA
https://doi.org/10.2118/119094-PA
Published: 22 June 2010
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Proceedings Papers

A New Approach for Dynamic Optimization of Waterflooding Problems

R. J. Lorentzen, A. M. Berg, G. Nævdal, E. H. Vefring
Paper presented at the Intelligent Energy Conference and Exhibition, April 11–13, 2006
Paper Number: SPE-99690-MS
https://doi.org/10.2118/99690-MS
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Proceedings Papers

Analysis of the Ensemble Kalman Filter for Estimation of Permeability and Porosity in Reservoir Models

R. J. Lorentzen, G. Nævdal, B. Vallès, A. M. Berg, A.-A. Grimstad
Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-96375-MS
https://doi.org/10.2118/96375-MS
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View Paper titled, Analysis of the Ensemble Kalman Filter for Estimation of Permeability and Porosity in Reservoir Models
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Proceedings Papers

Tuning of Computer Model Parameters in Managed-Pressure Drilling Applications Using an Unscented Kalman Filter Technique

J. E. Gravdal, R. J. Lorentzen, K. K. Fjelde, E. H. Vefring
Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-97028-MS
https://doi.org/10.2118/97028-MS
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View Paper titled, Tuning of Computer Model Parameters in Managed-Pressure Drilling Applications Using an Unscented Kalman Filter Technique
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Proceedings Papers

Evaluation of Drillstring and Casing Instrumentation Needed for Reservoir Characterization During Drilling Operations

G. Nygaard, K. -K. Fjelde, G. Nævdal, R. J. Lorentzen, E. H. Vefring
Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, September 12–14, 2005
Paper Number: SPE-97372-MS
https://doi.org/10.2118/97372-MS
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View Paper titled, Evaluation of Drillstring and Casing Instrumentation Needed for Reservoir Characterization During Drilling Operations
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