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Johan O. A. Robertsson
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Journal Article

Efficient snapshot-free reverse time migration and computation of multiparameter gradients in full-waveform inversion

Johan O. A. Robertsson, Fredrik Andersson, René-Édouard Plessix
Published: 27 July 2021
Geophysics (2021) 86 (5): T305–T320.
DOI: https://doi.org/10.1190/geo2020-0606.1
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Journal Article

Anisotropic elastic finite-difference modeling of sources and receivers on Lebedev grids

Erik F. M. Koene, Johan O. A. Robertsson, Fredrik Andersson
Published: 05 February 2021
Geophysics (2021) 86 (2): A21–A25.
DOI: https://doi.org/10.1190/geo2020-0522.1
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Journal Article

Optimal finite-difference operators for arbitrarily sampled data

Erik F. M. Koene, Johan O. A. Robertsson
Published: 31 March 2020
Geophysics (2020) 85 (3): F39–F51.
DOI: https://doi.org/10.1190/geo2019-0081.1
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Journal Article

Modeling and data-driven isolation of two-way wavefield constituents

Patrick Elison, Nele Börsing, Dirk-Jan van Manen, Johan O. A. Robertsson
Published: 19 March 2020
Geophysics (2020) 85 (3): T141–T154.
DOI: https://doi.org/10.1190/geo2019-0394.1
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Journal Article

Accurate source wavelet estimation using Marchenko focusing functions

Constantin Mildner, Filippo Broggini, Koos de Vos, Johan O. A. Robertsson
Published: 29 October 2019
Geophysics (2019) 84 (6): Q73–Q88.
DOI: https://doi.org/10.1190/geo2018-0726.1
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Journal Article

Source signature encoding of a vertical source array to separate the emitted direct wave from its ghost

Moritz B. Mueller, David F. Halliday, Dirk-Jan van Manen, Johan O. A. Robertsson
Published: 31 May 2018
Geophysics (2018) 83 (4): P9–P18.
DOI: https://doi.org/10.1190/geo2017-0593.1
View PDF for article title, Source signature encoding of a vertical source array to separate the emitted direct wave from its ghost
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Journal Article

Multisource encoding and decoding using the signal apparition technique

Lasse Amundsen, Fredrik Andersson, Dirk-Jan van Manen, Johan O. A. Robertsson, Kurt Eggenberger
Published: 12 December 2017
Geophysics (2018) 83 (1): V49–V59.
DOI: https://doi.org/10.1190/geo2017-0206.1
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Journal Article

Source deghosting by depth apparition

Johan O. A. Robertsson, Dirk-Jan van Manen, Fredrik Andersson, Lasse Amundsen, Kurt Eggenberger
Published: 25 September 2017
Geophysics (2017) 82 (6): P89–P107.
DOI: https://doi.org/10.1190/geo2016-0686.1
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Journal Article

Broadband seismic over/under sources and their designature-deghosting

Lasse Amundsen, Ørjan Pedersen, Are Osen, Johan O. A. Robertsson, Martin Landrø
Published: 10 July 2017
Geophysics (2017) 82 (5): P61–P73.
DOI: https://doi.org/10.1190/geo2016-0512.1
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Journal Article

Immersive boundary conditions: Theory, implementation, and examples

Filippo Broggini, Marlies Vasmel, Johan O. A. Robertsson, Dirk-Jan van Manen
Published: 23 March 2017
Geophysics (2017) 82 (3): T97–T110.
DOI: https://doi.org/10.1190/geo2016-0458.1
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Journal Article

Target-oriented velocity analysis using Marchenko-redatumed data

Constantin Mildner, Filippo Broggini, Johan O. A. Robertsson, Dirk-Jan van Manen, Stewart Greenhalgh
Published: 27 January 2017
Geophysics (2017) 82 (2): R75–R86.
DOI: https://doi.org/10.1190/geo2016-0280.1
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Journal Article

Optimizing near-orthogonal air-gun firing sequences for marine simultaneous source separation

Moritz B. Mueller, David F. Halliday, Dirk-Jan van Manen, Johan O. A. Robertsson
Published: 20 September 2016
Geophysics (2016) 81 (6): V415–V423.
DOI: https://doi.org/10.1190/geo2016-0197.1
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Journal Article

Exact wavefield reconstruction on finite-difference grids with minimal memory requirements

Marlies Vasmel, Johan O. A. Robertsson
Published: 12 September 2016
Geophysics (2016) 81 (6): T303–T309.
DOI: https://doi.org/10.1190/geo2016-0060.1
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Journal Article

A model-independent finite-difference method for removal of free-surface generated multiples

Marlies Vasmel, Johan O. A. Robertsson, Lasse Amundsen
Published: 04 April 2016
Geophysics (2016) 81 (2): T79–T90.
DOI: https://doi.org/10.1190/geo2015-0306.1
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Journal Article

The benefit of encoded source sequences for simultaneous source separation

Moritz B. Mueller, David F. Halliday, Dirk-Jan van Manen, Johan O. A. Robertsson
Published: 12 August 2015
Geophysics (2015) 80 (5): V133–V143.
DOI: https://doi.org/10.1190/geo2015-0015.1
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Journal Article

A case study revealing the expressions of perforation shots in a shale gas stimulation operation

Cédéric Van Renterghem, Tony Probert, Ian Bradford, Ali Özbek, Johan O. A. Robertsson
Published: 03 August 2015
Geophysics (2015) 80 (6): WC51–WC60.
DOI: https://doi.org/10.1190/geo2015-0037.1
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Journal Article

Wave equation processing using finite-difference propagators, Part 2: Deghosting of marine hydrophone seismic data

Johan O. A. Robertsson, Lasse Amundsen
Published: 08 October 2014
Geophysics (2014) 79 (6): T301–T312.
DOI: https://doi.org/10.1190/geo2014-0152.1
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Journal Article

Wave equation processing using finite-difference propagators, Part 1: Wavefield dissection and imaging of marine multicomponent seismic data

Lasse Amundsen, Johan O. A. Robertsson
Published: 23 September 2014
Geophysics (2014) 79 (6): T287–T300.
DOI: https://doi.org/10.1190/geo2014-0151.1
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View PDF for article title, Wave equation processing using finite-difference propagators, Part 1: Wavefield dissection and imaging of marine multicomponent seismic data
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Journal Article

A method for correcting acoustic finite-difference amplitudes for elastic effects

James W. D. Hobro, Chris H. Chapman, Johan O. A. Robertsson
Published: 09 July 2014
Geophysics (2014) 79 (4): T243–T255.
DOI: https://doi.org/10.1190/geo2013-0335.1
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Journal Article

On the use of a seismic sensor as a seismic source

David F. Halliday, Taiwo Fawumi, Johan O. A. Robertsson, Ed Kragh
Published: 19 August 2013
Geophysics (2013) 78 (5): A39–A43.
DOI: https://doi.org/10.1190/geo2013-0084.1
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