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Proceedings Papers

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749767
DOI: https://doi.org/10.1190/image2022-3749767.1
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View Paper titled, Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography
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Proceedings Papers

Volumetric curvatures of subsurface geological features

Zvi Koren, Anne-Laure Tertois, Igor Ravve
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745282
DOI: https://doi.org/10.1190/image2022-3745282.1
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View Paper titled, Volumetric curvatures of subsurface geological features
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Proceedings Papers

Slowness vector and ray velocity magnitude from ray direction in TTI media

Zvi Koren, Igor Ravve
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583619
DOI: https://doi.org/10.1190/segam2021-3583619.1
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View Paper titled, Slowness vector and ray velocity magnitude from ray direction in TTI media
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Proceedings Papers

Using principal component analysis to decouple seismic diffractions from specular reflections

Raanan Dafni, Rina Schwartz, Ronit Levy, Zvi Koren
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3421255
DOI: https://doi.org/10.1190/segam2020-3421255.1
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View Paper titled, Using principal component analysis to decouple seismic diffractions from specular reflections
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Proceedings Papers

Eigenray method: Caustic identification

Igor Ravve, Zvi Koren
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216779
DOI: https://doi.org/10.1190/segam2019-3216779.1
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View Paper titled, Eigenray method: Caustic identification
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Proceedings Papers

Eigenray method: Geometric spreading

Zvi Koren, Igor Ravve
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216695
DOI: https://doi.org/10.1190/segam2019-3216695.1
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View Paper titled, Eigenray method: Geometric spreading
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Proceedings Papers

Slowness-domain kinematical characteristics for horizontally layered orthorhombic media

Zvi Koren, Igor Ravve
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2993530
DOI: https://doi.org/10.1190/segam2018-2993530.1
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View Paper titled, Slowness-domain kinematical characteristics for horizontally layered orthorhombic media
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Proceedings Papers

Eigenray tracing in 3D heterogeneous media using spectral element method

Igor Ravve, Zvi Koren
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2993406
DOI: https://doi.org/10.1190/segam2018-2993406.1
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View Paper titled, Eigenray tracing in 3D heterogeneous media using spectral element method
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Proceedings Papers

Azimuthally anisotropic effective parameters from full-azimuth reflection angle gathers

Liron Korkidi, Raz Litvak, Cindy Ayache, Ronit Levy, Zvi Koren
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995956
DOI: https://doi.org/10.1190/segam2018-2995956.1
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View Paper titled, Azimuthally anisotropic effective parameters from full-azimuth reflection angle gathers
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Proceedings Papers

Normalized global effective parameters for symmetric moveout in layered triclinic media

Zvi Koren, Igor Ravve
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17733730
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View Paper titled, Normalized global effective parameters for symmetric moveout in layered triclinic media
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Proceedings Papers

Two-way relationships between slowness and offset azimuths in layered triclinic media

Igor Ravve, Zvi Koren
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17734801
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View Paper titled, Two-way relationships between slowness and offset azimuths in layered triclinic media
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Proceedings Papers

Wavefield separation via principle component analysis and deep learning in the local angle domain

Yuval Serfaty, Liron Itan, David Chase, Zvi Koren
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17676855
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View Paper titled, Wavefield separation via principle component analysis and deep learning in the local angle domain
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Proceedings Papers

Q compensation imaging in the local angle domain

Gali Dekel, David Chase, Ronit Strachilevitz, Zvi Koren
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13861775
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View Paper titled, Q compensation imaging in the local angle domain
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Proceedings Papers

Fourth-order NMO velocity for P-waves in layered orthorhombic media vs phase azimuth

Igor Ravve, Zvi Koren
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13864149
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View Paper titled, Fourth-order NMO velocity for P-waves in layered orthorhombic media vs phase azimuth
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Proceedings Papers

Fourth-order NMO velocity for P-waves in layered orthorhombic media vs offset-azimuth

Zvi Koren, Igor Ravve
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13864423
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View Paper titled, Fourth-order NMO velocity for P-waves in layered orthorhombic media vs offset-azimuth
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Proceedings Papers

Time Preserving Tomography

Lior Liram, Yoav Naveh, Gali Dekel, Zvi Koren
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0116
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View Paper titled, Time Preserving Tomography
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Proceedings Papers

Conversion of Background VTI Depth Model and Full Azimuth Reflection Angle Moveouts Into Interval Orthorhombic and/or TTI Layered Parameters

Zvi Koren, Igor Ravve, Ronit Levy
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0172
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View Paper titled, Conversion of Background VTI Depth Model and Full Azimuth Reflection Angle Moveouts Into Interval Orthorhombic and/or TTI Layered Parameters
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Proceedings Papers

Specular/diffraction Imaging By Full Azimuth Subsurface Angle Domain Decomposition

Zvi Koren, Igor Ravve
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3268
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View Paper titled, Specular/diffraction Imaging By Full Azimuth Subsurface Angle Domain Decomposition
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Proceedings Papers

Moveout Approximation For HTI / VTI Layered Media

Igor Ravve, Zvi Koren
Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0281
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View Paper titled, Moveout Approximation For HTI / VTI Layered Media
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Proceedings Papers

Effective Model For HTI / VTI Layered Media

Zvi Koren, Igor Ravve, Ronit Levy
Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0286
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View Paper titled, Effective Model For HTI / VTI Layered Media
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