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Reynam C. Pestana
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Proceedings Papers

A comparison of Marchenko multiples elimination schemes based on the beyond Neumann solution

Rodrigo S. Santos, Daniel E. Revelo, Reynam C. Pestana, Victor Koehne, Marcelo S. Souza, Diego F. Barrera, Laila D. L. Vergne
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101673
https://doi.org/10.1190/image2024-4101673.1
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View Paper titled, A comparison of Marchenko multiples elimination schemes based on the beyond Neumann solution
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Proceedings Papers

Memory-efficient frequency-domain least-squares RTM using low-rank Green's functions via randomized SVD

Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098936
https://doi.org/10.1190/image2024-4098936.1
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View Paper titled, Memory-efficient frequency-domain least-squares RTM using low-rank Green's functions via randomized SVD
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Proceedings Papers

An adaptive filter-based approach for the Marchenko multiples elimination scheme

Rodrigo S. Santos, Marcelo S. Souza, Daniel E. Revelo, Victor Koehne, Reynam C. Pestana, Diego F. Barrera, Laila D. L. Vergne, Jonathas Maciel
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3907380
https://doi.org/10.1190/image2023-3907380.1
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View Paper titled, An adaptive filter-based approach for the Marchenko multiples elimination scheme
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Proceedings Papers

A least-squares based approach for the Marchenko internal multiple elimination scheme

Rodrigo S. Santos, Daniel E. Revelo, Reynam C. Pestana, Victor Koehne, Diego F. Barrera, Marcelo S. Souza
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427870
https://doi.org/10.1190/segam2020-3427870.1
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View Paper titled, A least-squares based approach for the Marchenko internal multiple elimination scheme
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Proceedings Papers

Reverse time migration as the transpose of forward operator by rapid expansion method (REM)

Reynam C. Pestana, Daniel Revelo
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215582
https://doi.org/10.1190/segam2019-3215582.1
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View Paper titled, Reverse time migration as the transpose of forward operator by rapid expansion method (REM)
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Proceedings Papers

An efficient fully spectral method for constant-Q seismic-wave propagation

Khemraj Shukla, José M. Carcione, Reynam C. Pestana, Juan Santos, Priyank Jaiswal
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998277
https://doi.org/10.1190/segam2018-2998277.1
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View Paper titled, An efficient fully spectral method for constant-Q seismic-wave propagation
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Proceedings Papers

Stabilized unidimensional deconvolution-based imaging conditions in Marchenko imaging

Mayara M. A. Matias, Reynam C. Pestana, Joost van der Neut
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995750
https://doi.org/10.1190/segam2018-2995750.1
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View Paper titled, Stabilized unidimensional deconvolution-based imaging conditions in Marchenko imaging
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Proceedings Papers

Time-Stepping Evolution of Wave Equation using a Laguerre Polynomial Scheme

Eduarda C. G. Rego, Reynam C. Pestana, Edvaldo Araujo
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5879725
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View Paper titled, Time-Stepping Evolution of Wave Equation using a Laguerre Polynomial Scheme
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Proceedings Papers

Chebyshev Expansion Applied to the One-Step Wave Extrapolation Matrix

Reynam C. Pestana
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0377
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View Paper titled, Chebyshev Expansion Applied to the One-Step Wave Extrapolation Matrix
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Proceedings Papers

RTM Imaging Condition Using Impedance Sensitivity Kernel Combined With Poynting Vector

Reynam C. Pestana, Adriano W.G. dos Santos, Edvaldo S. Araujo
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0374
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View Paper titled, RTM Imaging Condition Using Impedance Sensitivity Kernel Combined With Poynting Vector
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Proceedings Papers

Symplectic Scheme and the Poynting Vector in the Reverse Time Migration

Edvaldo S. Araujo, Reynam C. Pestana, Adriano W.G. dos Santos
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0453
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View Paper titled, Symplectic Scheme and the Poynting Vector in the Reverse Time Migration
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Proceedings Papers

The Relation Between Finite Differences in Time and the Chebyshev Polynomial Recursion

Reynam C. Pestana, Paul L. Stoffa, Adriano W.G. dos Santos
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0833
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View Paper titled, The Relation Between Finite Differences in Time and the Chebyshev Polynomial Recursion
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Proceedings Papers

A Pseudo-Analytical Method to Solve the Acoustic Wave Equation for Modeling and RTM

Adriano W.G. dos Santos, Reynam C. Pestana
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1284
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View Paper titled, A Pseudo-Analytical Method to Solve the Acoustic Wave Equation for Modeling and RTM
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Proceedings Papers

Separate P- And SV-wave Equations For VTI Media

Reynam C. Pestana, Paul L. Stoffa, Bjørn Ursin
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0163
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View Paper titled, Separate P- And SV-wave Equations For VTI Media
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Proceedings Papers

An Acoustic Wave Equation For Pure P Wave In 2D TTI Media

Ge Zhan, Reynam C. Pestana, Paul L. Stoffa
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0168
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View Paper titled, An Acoustic Wave Equation For Pure P Wave In 2D TTI Media
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Proceedings Papers

An Anti-dispersion Wave Equation Based On the Predictor-corrector Method For Seismic Modeling And Reverse Time Migration

Wellington C.R. Nascimento, Reynam C. Pestana
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3226
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View Paper titled, An Anti-dispersion Wave Equation Based On the Predictor-corrector Method For Seismic Modeling And Reverse Time Migration
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Proceedings Papers

Rapid Expansion Method (REM) For Time-stepping In Reverse Time Migration (RTM)

Reynam C. Pestana, Paul L. Stoffa
Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-2819
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View Paper titled, Rapid Expansion Method (REM) For Time-stepping In Reverse Time Migration (RTM)
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Proceedings Papers

Numerical Solution of the Acoustic Wave Equation By the Rapid Expansion Method (REM) - A One Step Time Evolution Algorithm

Paul L. Stoffa, Reynam C. Pestana
Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-2672
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View Paper titled, Numerical Solution of the Acoustic Wave Equation By the Rapid Expansion Method (REM) - A One Step Time Evolution Algorithm
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Proceedings Papers

Imaging Condition to True Amplitude Shot-profile Migration

Flor A. Vivas, Reynam C. Pestana
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-2398
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View Paper titled, Imaging Condition to True Amplitude Shot-profile Migration
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Proceedings Papers

Wave Qquation Depth Migration Using Complex Pade Approximation

Reynam C. Pestana, Jacira C.B. Freitas
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-2403
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View Paper titled, Wave Qquation Depth Migration Using Complex Pade Approximation
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