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Publication profile

Publication profile

Torstein Mæland Fjeldstad

Torstein  Mæland, Fjeldstad
Name: Torstein Mæland Fjeldstad
Title: Forsker / Research Scientist
Phone: (+47) 22852662 Mob: 96209710
Email: torstein [at] nr [dot] no
Scientific areas: Bayesian statistics, Spatial statistics (Geostatistics), Seismic inversion, Software development, Stochastic modelling
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    Academic journal articles

    2019

    Fjeldstad, Torstein Mæland; Omre, Henning. Bayesian Inversion of Convolved Hidden Markov Models With Applications in Reservoir Prediction. IEEE Transactions on Geoscience and Remote Sensing (ISSN 0196-2892). 58(3) pp 1957-1968. doi: 10.1109/TGRS.2019.2951205. 2019.

    Tjelmeland, Håkon; Luo, Xin; Fjeldstad, Torstein Mæland. A Bayesian model for lithology/fluid class prediction using a Markov mesh prior fitted from a training image. Geophysical Prospecting (ISSN 0016-8025). 67(3) pp 609-623. doi: 10.1111/1365-2478.12753. 2019. Institutional archive 

    2018

    Fjeldstad, Torstein Mæland; Grana, Dario. Joint probabilistic petrophysics-seismic inversion based on Gaussian mixture and Markov chain prior models. Geophysics (ISSN 0016-8033). 83(1) pp R31. doi: 10.1190/GEO2017-0239.1. 2018.

    2017

    Grana, Dario; Fjeldstad, Torstein Mæland; Omre, Henning. Bayesian Gaussian Mixture Linear Inversion for Geophysical Inverse Problems. Mathematical Geosciences (ISSN 1874-8961). 49(4) pp 493-515. doi: 10.1007/s11004-016-9671-9. 2017.

    Academic lectures

    2019

    Avseth, Per Åge; Fjeldstad, Torstein Mæland. Joint Probabilistic Seismic Inversion of Lithology/Fluid Classes and Petrophysical Properties Using Gaussian Mixture and Markov Random Field Prior Models. Konferanse, SEG Annual Meeting 2019, 15.09.2019 - 20.09.2020.

    Tjelmeland, Håkon; Luo, Xin; Fjeldstad, Torstein Mæland. A Flexible Markov Mesh Prior for Lithology/fluid Class Prediction. Konferanse, Petroleum Geostatistics 2019; Firenze, 02.09.2019 - 06.09.2019.

    2018

    Fjeldstad, Torstein Mæland; Avseth, Per Åge. Probabilistic Seismic Inversion of Facies and Petrophysical Properties Using Gaussian Mixture and Markov Chain prior Models – A Norwegian Sea demonstration. Workshop, 80th EAGE Conference & Exhibition 2018: W05 Seismic Inversion into Lithology/Fluid Classes, 09.06.2018 - 15.06.2018.

    2017

    Fjeldstad, Torstein Mæland; Omre, Henning. Bayesian inversion based on Gaussian mixture prior models with applications in reservoir characterisation. Konferanse, Spatial Statistics 2017: One World: One Health, 04.07.2017 - 07.07.2017.

    Fjeldstad, Torstein Mæland; Omre, Henning. Hydrocarbon prediction from seismic AVO data – a case study from the Norwegian Sea. Konferanse, 26th Annual Conference of the Ethiopian Statistical Association, 25.03.2017 - 26.03.2017.

    2016

    Fjeldstad, Torstein Mæland; Omre, Henning. Convolved hidden Markov models with spatial coupling. Konferanse, Geostats2016; Valencia, 05.09.2016 - 09.09.2016.

    2015

    Grana, Dario; Fjeldstad, Torstein Mæland; Omre, Henning. Bayesian Gaussian mixture linear inversion in geophysical inverse problems. Konferanse, Petroleum Geostatistics 2015; Biarritz, 07.09.2015 - 11.09.2015.

    Scientific lectures

    2020

    Fjeldstad, Torstein Mæland; Omre, Henning. Joint Bayesian spatial inversion of lithology/fluid classes, petrophysical properties and elastic attributes – A Norwegian Sea gas discovery. Konferanse, EGU General Assembly 2020, 04.05.2020 - 08.05.2020.

    2017

    Fjeldstad, Torstein Mæland; Avseth, Per Åge. Probabilistic inversion with a facies dependent rock physics model. Workshop, 4th International Workshop on Rock Physics, 29.05.2017 - 02.06.2017.

    Fjeldstad, Torstein Mæland; Avseth, Per Åge. Joint Seismic and Petrophysical Inversion Constrained by Facies in a Bayesian Framework. Konferanse, 79th EAGE Conference & Exhibition 2017, 12.06.2017 - 15.06.2017.

    Posters at scientific conferences

    2018

    Fjeldstad, Torstein Mæland; Eidsvik, Jo. Approximate Bayesian inference of model parameters in convolved hidden Markov models - with an application to seismic data. 2018 ISBA World Meeting; Edinburgh, 24.06.2018 - 29.06.2018.

    2015

    Fjeldstad, Torstein Mæland; Omre, Henning. Convolved hidden Markov models for well-log inversion. Petroleum Geostatistics 2015; Biarritz, 07.09.2015 - 11.09.2015.

Postal address:
Norsk Regnesentral/
Norwegian Computing Center
P.O. Box 114 Blindern
NO-0314 Oslo
Norway
Visit address:
Norsk Regnesentral
Gaustadalleen 23a
Kristen Nygaards hus
NO-0373 Oslo.
Phone:
(+47) 22 85 25 00
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Postal address: Norsk Regnesentral/Norwegian Computing Center, P.O. Box 114 Blindern, NO-0314 Oslo, Norway
Visit address: Norsk Regnesentral, Gaustadalleen 23a, Kristen Nygaards hus, NO-0373 Oslo.
Phone: (+47) 22 85 25 00
AddressHow to get to NR