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1

Optimized trishear inverse modeling

Nestor Cardozo, Sigurd Aanonsen

Journal:

Journal of Structural Geology

Year:

2009

Language:

english

File:

PDF, 1.58 MB

english, 2009

2

Distortion and harmonic generation in the nearfield of a finite amplitude sound beam

Aanonsen, Sigurd Ivar

Journal:

The Journal of the Acoustical Society of America

Year:

1984

Language:

english

File:

PDF, 2.39 MB

english, 1984

3

The Ensemble Kalman Filter in Reservoir Engineering--a Review

Aanonsen, Sigurd I., Nævdal, Geir, Oliver, Dean S., Reynolds, Albert C., Vallès, Brice

Journal:

Year:

2009

Language:

english

File:

PDF, 587 KB

english, 2009

4

Reservoir Monitoring and Continuous Model Updating Using Ensemble Kalman Filter

Naevdal, Geir, Johnsen, Liv Merete, Aanonsen, Sigurd I., Vefring, Erlend H.

Journal:

Year:

2005

Language:

english

File:

PDF, 1.48 MB

english, 2005

5

An efficient method for smart well production optimisation

Daniel Chr. Doublet, Sigurd I. Aanonsen, Xue-Cheng Tai

Journal:

Journal of Petroleum Science and Engineering

Year:

2009

Language:

english

File:

PDF, 1.01 MB

english, 2009

6

Reservoir description using a binary level set model

Lars Kristian Nielsen, Hongwei Li, Xue-Cheng Tai, Sigurd Ivar Aanonsen, Magne Espedal

Journal:

Computing and Visualization in Science

Year:

2010

Language:

english

File:

PDF, 1.53 MB

english, 2010

7

A multiscale method for distributed parameter estimation with application to reservoir history matching

Sigurd Ivar Aanonsen, Dmitry Eydinov

Journal:

Computational Geosciences

Year:

2006

Language:

english

File:

PDF, 1.01 MB

english, 2006

8

A method for automatic history matching of a compositional reservoir simulator with multipoint flux approximation

Dmitry Eydinov, Sigurd Ivar Aanonsen, Jarle Haukås, Ivar Aavatsmark

Journal:

Computational Geosciences

Year:

2008

Language:

english

File:

PDF, 674 KB

english, 2008

9

Continuous Facies Updating Using the Ensemble Kalman Filter and the Level Set Method

David L. Moreno, Sigurd I. Aanonsen

Journal:

Mathematical Geosciences

Year:

2011

Language:

english

File:

PDF, 2.88 MB

english, 2011

10

[Society of Petroleum Engineers SPE Reservoir Simulation Symposium - (2009.02.2-2009.02.4)] Proceedings of SPE Reservoir Simulation Symposium - Randomized Maximum Likelihood With Permeability Samples Generated by a Predictor Corrector Technique

Feng, Tao, Mannseth, Trond, Aanonsen, Sigurd

Year:

2009

Language:

english

File:

PDF, 1.31 MB

english, 2009

11

[Society of Petroleum Engineers SPE Reservoir Simulation Symposium - Houston, Texas, U.S.A. (2007-02-26)] SPE Reservoir Simulation Symposium - Efficient History Matching and Production Optimization with the Augmented Lagrangian Method

Aanonsen, Sigurd Ivar, Doublet, Daniel, Tai, Xue-Cheng

Language:

english

File:

PDF, 373 KB

english

12

Quantifying Monte Carlo Uncertainty in the Ensemble Kalman Filter

Nævdal, Geir, Thulin, Kristian, Skaug, Hans Julius, Aanonsen, Sigurd Ivar

Journal:

Year:

2011

Language:

english

File:

PDF, 1.22 MB

english, 2011

13

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - San Antonio, Texas, USA (2006-09-24)] SPE Annual Technical Conference and Exhibition - Compositional and Grid Orientation Effects in History Matching

Eydinov, Dmitry, Aanonsen, Sigurd Ivar, Haukas, Jarle, Aavatsmark, Ivar

Language:

english

File:

PDF, 362 KB

english

14

Structural Surface Uncertainty Modeling and Updating Using the Ensemble Kalman Filter

Seiler, Alexandra, Aanonsen, Sigurd I., Evensen, Geir, Rivenæs, Jan C.

Journal:

Year:

2010

Language:

english

File:

PDF, 1.32 MB

english, 2010

15

[Society of Petroleum Engineers SPE European Petroleum Conference - Paris, France (2000-10-24)] SPE European Petroleum Conference - Well Planning Under Uncertainty: Application of a Systematic Procedure for Risk Assessment and Uncertainty Analysis for New Well Targets on the Brage Field

Hersvik, Karl J., Aanonsen, Sigurd I., Petersen, Lasse S., Fjellbirkeland, Hege, Robson, Adrian, Sperre, Thomas

Language:

english

File:

PDF, 236 KB

english

16

[Society of Petroleum Engineers SPE European Petroleum Conference - (2000.10.24-2000.10.25)] Proceedings of SPE European Petroleum Conference - Well Planning Under Uncertainty: Application of a Systematic Procedure for Risk Assessment and Uncertainty Analysis for New Well Targets on the Brage Field

Hersvik, Karl, Aanonsen, Sigurd, Petersen, Lasse, Fjellbirkeland, Hege, Robson, Adrian, Sperre, Thomas

Year:

2000

Language:

english

File:

PDF, 236 KB

english, 2000

17

[Society of Petroleum Engineers SPE EUROPEC/EAGE Annual Conference and Exhibition - Barcelona, Spain (2010-06-14)] SPE EUROPEC/EAGE Annual Conference and Exhibition - Ensemble Based 4D Seismic History Matching: Integration of Different Levels and Types of Seismic Data

Fahimuddin, Abul, Aanonsen, Sigurd Ivar, Skjervheim, Jan-Arild

Language:

english

File:

PDF, 4.64 MB

english

18

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Denver, Colorado (2003-10-05)] SPE Annual Technical Conference and Exhibition - Coupling of a Surface Network With Reservoir Simulation

Kosmala, Alexandre, Aanonsen, Sigurd Ivar, Gajraj, Allyson, Biran, Valerie, Brusdal, Kari, Stokkenes, Arild, Torrens, Richard

Language:

english

File:

PDF, 703 KB

english

19

[Society of Petroleum Engineers SPE EUROPEC/EAGE Annual Conference and Exhibition - (2010.06.14-2010.06.17)] Proceedings of SPE EUROPEC/EAGE Annual Conference and Exhibition - Ensemble Based 4D Seismic History Matching: Integration of Different Levels and Types of Seismic Data

Fahimuddin, Abul, Aanonsen, Sigurd, Skjervheim, Jan-Arild

Year:

2010

Language:

english

File:

PDF, 4.64 MB

english, 2010

20

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - San Antonio, Texas (2002-09-29)] SPE Annual Technical Conference and Exhibition - Identification of Unknown Permeability Trends from History Matching of Production Data

Grimstad, Alv-Arne, Mannseth, Trond, Aanonsen, Sigurd Ivar, Aavatsmark, Ivar, Cominelli, Alberto, Mantica, Stefano

Language:

english

File:

PDF, 858 KB

english

21

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2002.09.29-2002.10.2)] Proceedings of SPE Annual Technical Conference and Exhibition - Identification of Unknown Permeability Trends from History Matching of Production Data

Alv-Arne, Grimstad, Trond, Mannseth, Aanonsen, Sigurd, Ivar, Aavatsmark, Alberto, Cominelli, Stefano, Mantica

Year:

2002

Language:

english

File:

PDF, 858 KB

english, 2002

22

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Denver, Colorado (2003-10-05)] SPE Annual Technical Conference and Exhibition - Reservoir Monitoring and Continuous Model Updating Using Ensemble Kalman Filter

Geir, Nævdal, Johnsen, Liv Merethe, Aanonsen, Sigurd Ivar, Vefring, Erlend H.

Language:

english

File:

PDF, 1.71 MB

english

23

[Society of Petroleum Engineers SPE Reservoir Simulation Symposium - The Woodlands, Texas (2009-02-02)] SPE Reservoir Simulation Symposium - Using Model Error With the Ensemble Kalman Filter for More Accurate Model Updates and Predictions

Aanonsen, Sigurd Ivar

Language:

english

File:

PDF, 819 KB

english

24

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Dallas, Texas (2005-10-09)] SPE Annual Technical Conference and Exhibition - Incorporating 4D Seismic Data in Reservoir Simulation Models Using Ensemble Kalman Filter

Skjervheim, Jan-Arild, Evensen, Geir, Aanonsen, Sigurd Ivar, Ruud, Bent Ole, Johansen, Tor-Arne

Language:

english

File:

PDF, 1.65 MB

english

25

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2005.10.9-2005.10.12)] Proceedings of SPE Annual Technical Conference and Exhibition - Incorporating 4D Seismic Data in Reservoir Simulation Models Using Ensemble Kalman Filter

Skjervheim, Jan-Arild, Evensen, Geir, Aanonsen, Sigurd, Ruud, Bent Ole, Johansen, Tor-Arne

Year:

2005

Language:

english

File:

PDF, 1.65 MB

english, 2005

26

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Anaheim, California, U.S.A. (2007-11-11)] SPE Annual Technical Conference and Exhibition - Estimation of Initial Fluid Contacts by Assimilation of Production Data With EnKF

Thulin, Kristian, Li, Gaoming, Aanonsen, Sigurd, Reynolds, Albert Coburn

Language:

english

File:

PDF, 3.13 MB

english

27

Incorporating 4D Seismic Data in Reservoir Simulation Models Using Ensemble Kalman Filter

Skjervheim, Jan-Arild, Evensen, Geir, Aanonsen, Sigurd Ivar, Ruud, Bent Ole, Johansen, Tor-Arne

Journal:

Year:

2007

Language:

english

File:

PDF, 5.42 MB

english, 2007

28

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2003.10.5-2003.10.8)] Proceedings of SPE Annual Technical Conference and Exhibition - Reservoir Monitoring and Continuous Model Updating Using Ensemble Kalman Filter

Geir, Nævdal, Johnsen, Liv, Aanonsen, Sigurd, Vefring, Erlend

Year:

2003

Language:

english

File:

PDF, 1.71 MB

english, 2003

29

Identification of Unknown Permeability Trends From History Matching of Production Data

Grimstad, Alv-Arne, Mannseth, Trond, Aanonsen, Sigurd Ivar, Aavatsmark, Ivar, Cominelli, Alberto, Mantica, Stefano

Journal:

Year:

2004

Language:

english

File:

PDF, 4.62 MB

english, 2004

30

[Society of Petroleum Engineers SPE Reservoir Simulation Symposium - (2007.02.26-2007.02.28)] Proceedings of SPE Reservoir Simulation Symposium - Efficient History Matching and Production Optimization with the Augmented Lagrangian Method

Aanonsen, Sigurd, Doublet, Daniel, Tai, Xue-Cheng

Year:

2007

Language:

english

File:

PDF, 373 KB

english, 2007

31

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2007.11.11-2007.11.14)] Proceedings of SPE Annual Technical Conference and Exhibition - Estimation of Initial Fluid Contacts by Assimilation of Production Data With EnKF

Thulin, Kristian, Li, Gaoming, Aanonsen, Sigurd, Reynolds, Albert

Year:

2007

Language:

english

File:

PDF, 3.13 MB

english, 2007

32

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2003.10.5-2003.10.8)] Proceedings of SPE Annual Technical Conference and Exhibition - Coupling of a Surface Network With Reservoir Simulation

Alexandre, Kosmala, Aanonsen, Sigurd, Allyson, Gajraj, Valerie, Biran, Kari, Brusdal, Arild, Stokkenes, Richard, Torrens

Year:

2003

Language:

english

File:

PDF, 703 KB

english, 2003

33

[Society of Petroleum Engineers SPE/EAGE Reservoir Characterization and Simulation Conference - Abu Dhabi, UAE (2009-10-19)] SPE/EAGE Reservoir Characterization and Simulation Conference - Structural Uncertainty Modelling and Updating by Production Data Integration

Seiler, Alexandra, Rivenæs, Jan C., Aanonsen, Sigurd Ivar, Evensen, Geir

Language:

english

File:

PDF, 2.45 MB

english

34

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - (2006.09.24-2006.09.27)] Proceedings of SPE Annual Technical Conference and Exhibition - Compositional and Grid Orientation Effects in History Matching

Eydinov, Dmitry, Aanonsen, Sigurd, Haukas, Jarle, Aavatsmark, Ivar

Year:

2006

Language:

english

File:

PDF, 362 KB

english, 2006

35

[Society of Petroleum Engineers SPE Annual Technical Conference and Exhibition - Florence, Italy (2010-09-19)] SPE Annual Technical Conference and Exhibition - 4D Seismic History Matching of a Real Field Case With EnKF: Use of Local Analysis for Model Updating

Fahimuddin, Abul, Aanonsen, Sigurd Ivar, Skjervheim, Jan-Arild

Language:

english

File:

PDF, 4.39 MB

english

36

Efficient History Matching Using a Multiscale Technique

Aanonsen, Sigurd I.

Journal:

SPE Reservoir Evaluation & Engineering

Year:

2008

Language:

english

File:

PDF, 5.36 MB

english, 2008

37

Using Bayesian Model Probability for Ranking Different Prior Scenarios in Reservoir History Matching

Aanonsen, Sigurd Ivar, Tveit, Svenn, Alerini, Mathias

Journal:

Year:

2019

File:

PDF, 2.81 MB

2019

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