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Showing results 1-50 of 213 << Previous 1 2 3 4 5    Next >>

2023
1 Jakobsen, Morten; Xiang, Kui; van Dongen, Koen W. A..
Seismic and medical ultrasound imaging of velocity and density variations by nonlinear vectorial inverse scattering. Journal of the Acoustical Society of America 2023 ;Volume 153.(5) p. 3151-3164
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2 Saputera, Durra Handri; Jakobsen, Morten; Alyaev, Sergey; Jahani, Nazanin; Eikrem, Kjersti Solberg; van Dongen, Koen W. A..
3D Modeling and Inversion of Induction Logs.​ 2023 Highlights. DigiWells Seminar; 2023-11-28 - 2023-11-29
NORCE UiB Untitled
 
3 Saputera, Durra Handri; Jakobsen, Morten; Jahani, Nazanin; Alyaev, Sergey; Eikrem, Kjersti Solberg; van Dongen, Koen W. A..
Towards Real-Time 3D Modeling of Induction Logs Using an Integral Equation Method. 84th EAGE Annual Conference & Exhibition; 2023-06-05 - 2023-06-08
NORCE UiB Untitled
 
4 Saputera, Durra Handri; Jakobsen, Morten; Jahani, Nazanin; Alyaev, Sergey; Eikrem, Kjersti Solberg; van Dongen, Koen W. A..
Towards Real-Time 3D Modeling of Induction Logs Using an Integral Equation Method. I: 84th EAGE Conference & Exhibition 2023. European Association of Geoscientists and Engineers (EAGE) 2023 ISBN 000-0-00-000000-0. p. 1-5
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5 Saputera, Durra Handri; Jakobsen, Morten; van Dongen, Koen W. A.; Jahani, Nazanin; Eikrem, Kjersti Solberg; Alyaev, Sergey.
3-D induction log modelling with integral equation method and domain decomposition pre-conditioning. Geophysical Journal International 2023 ;Volume 236.(2) p. 834-848
NORCE UiB Untitled
 
6 Shekhar, Ujjwal; Jakobsen, Morten; Berre, Inga; Iversen, Einar; Radu, Florin Adrian.
Fast integral equation method for microseismic wavefield modelling in anisotropic elastic media.. 84th EAGE Annual Conference & Exhibition (Vol. 2023, No. 1, pp. 1-5); 2023-06-05 - 2023-06-09
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7 Shekhar, Ujjwal; Jakobsen, Morten; Iversen, Einar; Berre, Inga; Radu, Florin Adrian.
Microseismic wavefield modelling in anisotropic elastic media using integral equation method. Geophysical Prospecting 2023 p. -
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8 Xiang, Kui; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
A matrix-free variant of the distorted Born iterative method for seismic full-waveform inversion. Geophysical Prospecting 2023 ;Volume 71.(3) p. 431-442
NORCE UiB Untitled
 
2022
9 Saputera, Durra Handri; Jakobsen, Morten; Alyaev, Sergey; Jahani, Nazanin; Eikrem, Kjersti Solberg; van Dongen, Koen.
GPU-accelerated integral equation method for 3D modelling of induction logs. Geosteering and Formation Evaluation Workshop by NORCE and NFES; 2022-11-01 - 2022-11-02
NORCE UiB Untitled
 
2021
10 Xiang, Kui; Eikrem, Kjersti Solberg; Jakobsen, Morten; Nævdal, Geir.
Homotopy scattering series for seismic forward modelling with variable density and velocity. Geophysical Prospecting 2021 ;Volume 70.(1) Suppl. 2021 p. 3-18
UiB NORCE Untitled
 
2020
11 Eikrem, Kjersti Solberg; Nævdal, Geir; Jakobsen, Morten.
Iterative solution of the Lippmann-Schwinger equation in strongly scattering acoustic media by randomized construction of preconditioners. Geophysical Journal International 2020 ;Volume 224.(3) p. 2121-2130
UIS UiB NORCE Untitled
 
12 Eikrem, Kjersti Solberg; Nævdal, Geir; Jakobsen, Morten.
Iterative solution of the Lippmann-Schwinger equation in strongly scattering media by randomized construction of preconditioners. : arxiv 2020 16 p.
NORCE UiB Untitled
 
13 Huang, Xingguo; Eikrem, Kjersti Solberg; Jakobsen, Morten; Nævdal, Geir.
Bayesian full waveform inversion in anisotropic elastic media using the iterated extended Kalman filter. Geophysics 2020 ;Volume 85.(4) p. C125-C139
NORCE UiB Untitled
 
14 Jakobsen, Morten; Huang, Xingguo; Wu, Ru-Shan.
Homotopy analysis of the Lippmann-Schwinger equation for seismic wavefield modeling in strongly scattering media. Geophysical Journal International 2020
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15 Jakobsen, Morten; Pšenčík, Ivan; Iversen, Einar; Ursin, Bjørn.
Transition operator approach to seismic full-waveform inversion in arbitrary anisotropic elastic media. Communications in Computational Physics 2020 ;Volume 28.(1) p. 297-327
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16 Jakobsen, Morten; Wu, Ru-Shan; Huang, Xingguo.
Convergent scattering series solution of the inhomogeneous Helmholtz equation using renormalization group and homotopy continuation approaches. Journal of Computational Physics 2020 ;Volume 409.
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17 Taskin, Ulas; Eikrem, Kjersti Solberg; Nævdal, Geir; Jakobsen, Morten; Verschuur, Dirk J.; van Dongen, Koen W. A..
Ultrasound Imaging of the Brain using Full-Waveform Inversion. Proceedings - IEEE Ultrasonics Symposium 2020 p. 1-4
NORCE UiB Untitled
 
18 Xiang, Kui; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
Homotopy method for seismic modeling in strongly scattering acoustic media with density variation. SEG technical program expanded abstracts 2020 p. 2689-2693
NORCE UiB Untitled
 
19 Xiang, Kui; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
Homotopy method for seismic modeling in strongly scattering acoustic media with density variation. The SEG Annual Meeting; 2020-10-12 - 2020-10-16
NORCE UiB UIS Untitled
 
2019
20 Huang, Xingguo; Jakobsen, Morten; Nævdal, Geir; Eikrem, Kjersti Solberg.
Target-oriented inversion of time-lapse seismic waveform data. Communications in Computational Physics 2019 ;Volume 28.(1) p. 249-275
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21 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan.
On the applicability of a renormalized Born series for seismic wave modelling in strongly scattering media. Journal of Geophysics and Engineering 2019
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22 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan.
Application of Convergent Born Series with FFT to Frequency-Domain Seismic Wave Modeling in Strongly Scattering Media. : University of California, Santa Cruz 2019 35 p.
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23 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan.
Taming the divergent terms in the scattering series of Born by renormalization. SEG technical program expanded abstracts 2019
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24 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan.
Taming the divergent terms in the scattering series of Born by renormalization. SEG annual meeting 2019; 2019-09-15 - 2019-09-20
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25 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan; Iversen, Einar.
Modeling and inversion of seismic data by combining asymptotic, renormalization and homotopy methods. Lofoten seminaret i geofysikk; 2019-08-14 - 2019-08-16
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26 Jakobsen, Morten; McCann, Clive; Sotcott, Jerremy.
Carbonate microstructures from measured velocity and attenuation spectra via simulated annealing. SEG technical program expanded abstracts 2019
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27 Jakobsen, Morten; McCann, Clive; Sothcott, Jeremy.
Carbonate microstructures from measured velocity and attenuation spectra via simulated annealing. Annual Meeting Society of Exploration Geophysicists; 2019-09-14 - 2019-09-21
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28 Luo, Yaneng; Huang, Handong; Jakobsen, Morten; Yang, Yadi; Zhang, Jinwei; Cai, Yanjie.
Prediction of porosity and gas saturation for deep-buried sandstone reservoirs from seismic data using an improved rock-physics model. Acta Geophysica 2019 ;Volume 67.(2) p. 557-575
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29 Sommer, Malte; Jakobsen, Morten; Alyaev, Sergey.
Inversion of electromagnetic data while drilling using a distorted Born iterative method for anisotropic conductive media. SEG technical program expanded abstracts 2019 p. 1199-1203
UiB NORCE Untitled
 
30 Sommer, Malte; Jakobsen, Morten; Alyaev, Sergey.
Inversion of electromagnetic data while drilling using a distorted Born iterative method for anisotropic conductive media. SEG Annual Meeting; 2019-09-15 - 2019-09-20
NORCE UiB Untitled
 
31 Sommer, Malte; Jakobsen, Morten; Alyaev, Sergey.
Inversion of electromagnetic data while drilling using a renormalized Born iterative method in k-space for anisotropic conductive media. Formation Evaluation and Geosteering Workshop; 2019-11-05 - 2019-11-06
NORCE UiB Untitled
 
2018
32 Eikrem, Kjersti Solberg; Nævdal, Geir; Jakobsen, Morten.
Iterated extended Kalman filter method for time-lapse seismic full-waveform inversion. Geophysical Prospecting 2018 ;Volume 67.(2) p. 379-394
UiB NORCE Untitled
 
33 Huang, Xingguo; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
A target-oriented inversion of time-lapse seismic waveform data. International workshop on seismic-wave scattering and imaging; 2018-07-19 - 2018-07-21
NORCE UiB Untitled
 
34 Huang, Xingguo; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
A target-oriented scheme for efficient inversion of time-lapse seismic waveform data. SEG technical program expanded abstracts 2018 p. 5352-5356
NORCE UiB Untitled
 
35 Huang, Xingguo; Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir.
A target-oriented scheme for efficient inversion of time-lapse seismic waveform data. SEG annual meeting 2018; 2018-10-15 - 2018-10-19
NORCE UiB Untitled
 
36 Jakobsen, Morten; Eikrem, Kjersti Solberg; Nævdal, Geir; Huang, Xingguo.
Time-lapse full waveform inversion as a smart monitoring tool for future IOR. IOR Norway 2018; 2018-04-24 - 2018-04-25
NORCE UiB Untitled
 
37 Jakobsen, Morten; Psencik, Ivan; Iversen, Einar; Ursin, Bjørn.
Nonlinear inverse scattering in anisotropic elastic media. International workshop on Seismic-Wave Scattering, Imaging and Inversion; 2018-07-19 - 2018-07-21
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38 Jakobsen, Morten; Tveit, Svenn.
Distorted Born iterative T-Matrix method for inversion of CSEM data in anisotropic media. Geophysical Journal International 2018 ;Volume 214.(3) p. 1524-1537
NORCE UiB Untitled
 
39 Jakobsen, Morten; Wu, Ru-Shan.
Accellerating the T-Matrix approach to seismic full waveform inversion by domain decomposition. Geophysical Prospecting 2018 ;Volume 66.(6) p. 1039-1059
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40 Jakobsen, Morten; Wu, Ru-Shan; Huang, Xingguo.
Seismic waveform modelling in strongly scattering media using renormalization group theory. SEG Annual Meeting; 2018-10-14 - 2018-10-19
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41 Jakobsen, Morten; Wu, Ru-Shan; Huang, Xingguo.
Seismic waveform modelling in strongly scattering media using renormalization group theory. SEG technical program expanded abstracts 2018 p. 5007-5011
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42 Luo, Xiaodong; Bhakta, Tuhin; Evensen, Geir; Jakobsen, Morten; Lorentzen, Rolf Johan; Nævdal, Geir; Valestrand, Randi.
Big data assimilation and uncertainty quantification in 4D seismic history matching. IOR NORWAY 2018 Workshop; 2018-04-23 - 2018-04-23
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43 Luo, Xiaodong; Bhakta, Tuhin; Jakobsen, Morten; Nævdal, Geir.
Efficient big data assimilation through sparse representation: A 3D benchmark case study in petroleum engineering. PLOS ONE 2018 ;Volume 13:0198586.(7) p. 1-32
UiB NORCE Untitled
 
44 Muhumuza, Kenneth; Jakobsen, Morten; Luostari, Teemu; Lahivaara, Timo.
Seismic monitoring of CO2 injection using a distorted Born iterative T-matrix approach in acoustic approximation. Journal of Seismic Exploration 2018 ;Volume 27. p. 403-431
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45 Sommer, Malte; Jakobsen, Morten.
Towards a fast integral equation method for inversion of electromagnetic data while drilling in complex reservoirs. Second EAGE/SPE Geosteering and Well Placement Workshop; 2018-11-05 - 2018-11-08
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46 Sommer, Malte; Jakobsen, Morten.
Towards a fast integral equation method for inversion of electromagnetic data while drilling in complex reservoirs. I: Second EAGE/SPE Geosteering and Well Placement Workshop. : SPE 2018 ISBN 978-94-6282-275-7.
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2017
47 Eikrem, Kjersti Solberg; Jakobsen, Morten; Nævdal, Geir.
Bayesian Inversion of Time-lapse Seismic Waveform Data Using an Integral Equation Method. IOR NORWAY 2017 – 19th European Symposium on Improved Oil Recovery; 2017-04-24 - 2017-04-27
NORCE UiB Untitled
 
48 Eikrem, Kjersti Solberg; Jakobsen, Morten; Nævdal, Geir.
Bayesian inversion of time-lapse seismic waveform data using an integral equation method. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers 2017 ISBN 978-94-6282-209-2. p. -
NORCE UiB Untitled
 
49 Eikrem, Kjersti Solberg; Jakobsen, Morten; Nævdal, Geir.
Bayesian inversion of time-lapse seismicwaveform data using an integral equation method. I: 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE) 2017 ISBN 978-94-6282-209-2.
NORCE UiB Untitled
 
50 Jakobsen, Morten; McCann, Clive; Sothcott, Jeremy.
Acoustic attenuation in limestones at sonic and ultrasonic frequencies. 4th International Workshop on Rock Physics; 2017-05-29 - 2017-06-02
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