Publications

2020

Pawelec, I., Wakin, M., Sava, P.C., 2020, Efficient land seismic data reconstruction from sparse measurements, Geophysics, submitted for publication.

Rapstine, T., Sava, P.C., 2020, Removing residual airborne sensor motion for mea- suring seismic signals from a drone, Journal of Unmanned Vehicle Systems, submitted for publication.

Courville, S., Sava, P.C., 2020, Speckle noise attenuation in orbital laser vibrometer seismology, Acta Astronomica, v. 172, pp. 16-32.

Aragao, O., Sava, P.C., 2020, Elastic full wavefield inversion with probabilistic petrophysical clustering, Geophysical Prospecting, in press.

Aragao, O., Sava, P.C., 2020, Elastic wavefield tomography with probabilistic petrophysical model constraints, Geophysics, v. 85, pp. R101-R111.

2019

Bai, T., and I. Tsvankin, 2019, Source-independent waveform inversion for attenuation estimation in anisotropic media: Geophysical Prospecting, 67, 2343-2357.

Bai, T., T. Zhu, and I. Tsvankin, 2019, Attenuation compensation for time-reversal imaging in VTI media: Geophysics, 84, no. 4, C205-C216.

He, J., Rocha, D., Sava, P.C., 2019, Guided wave tomography based on least-squares reverse time migration (LSRTM), Structural Health Monitoring.

He, J., Rocha, D., Lesser, P., Sava, P.C., Lesser, W., 2019, Least-squares reverse time migration (LSRTM) for damage imaging using Lamb waves, Smart Materials and Structures, v. 28, pp. 065010.

Irakarama, M., Caumon, G., Sava, P.C., Edwards, J., 2019, Appraising structural interpretations using seismic data–theoretical elements, Geophysics, v. 84, no. 2, pp. N29-N40.

Jarillo Michel, O., and I. Tsvankin, 2019, 3D waveform inversion of downhole microseismic data for transversely isotropic media: Geophysical Prospecting, 67, 2332-2342.

Li, V., A. Guitton, I. Tsvankin, and T. Alkhalifah, 2019, Image-domain wavefield tomography for VTI media: Geophysics, 84, no. 2, C119-C128.

Li, V., I. Tsvankin, A. Guitton, and H. Wang, 2019, Image-domain wavefield tomography for tilted transversely isotropic media: Geophysical Prospecting, 67, 2358-2367.

Liu, Q., and I. Tsvankin, 2019, Stacking-velocity tomography for tilted orthorhombic media: Geophysics, 84, no. 3, C171-C180.

Rocha, D., Sava, P.C., Shragge, J., Witten, B., 2019, 3D passive wavefield imaging using the energy norm, Geophysics, v. 84, no. 2, pp. KS13-KS24.

Sava, P.C., Asphaug, E., 2019, Seismology on small planetary bodies by orbital Laser Doppler Vibrometry, Advances in Space Research, v. 64, pp. 527-544.

Yue, Y., Sava, P.C., Qian, J., Yang, J., 2019, Elastic least-squares Gaussian beam migration, Geophysics, v. 84, no. 4, pp. S329-S340.

2018

Arora, Y., and I. Tsvankin, 2018, Analysis of diffractions in dip-angle gathers for transversely isotropic media: Journal of Seismic Exploration, 27, 515-530.

Lim, I., Sava, P.C., 2018, High-resolution multicomponent distributed acoustic sensing, Geophysical Prospecting, v. 66, pp. 1111-1122.

Lim, I., Sava, P.C., 2018, Multicomponent distributed acoustic sensing: Concept and theory, Geophysics, v. 83, pp. P1-P8.

Rocha, D., Guitton, A., Sava, P.C., 2018, 3D acoustic least-squares reverse time migration using the energy norm, Geophysics, v. 83, no. 3, pp. S261-S270.

Rocha, D., Sava, P.C., 2018, Elastic least-squares reverse time migration using the energy norm, Geophysics, v. 83, no. 3, pp. S237-S248.

Sava, P.C., Asphaug, E., 2018, 3D radar wavefield migration of comet interiors, Advances in Space Research, v. 62, pp 1146-1164.

Sava, P.C., Asphaug, E., 2018, 3D radar wavefield tomography of comet interiors, Advances in Space Research, v. 61, pp 2198–2213.

Singh, S., I. Tsvankin, and E. Zabihi Naeini, 2018, Bayesian framework for elastic full-waveform inversion with facies information: The Leading Edge, 37, no. 12, 924-931.

Wang, H., and I. Tsvankin, 2018, Methodology of waveform inversion for acoustic orthorhombic media: Journal of Seismic Exploration, 27, 201-226.

2017

Bai, T., I. Tsvankin, and X. Wu, 2017, Waveform inversion for attenuation estimation in anisotropic media: Geophysics, 82, no. 4, WA83-WA93.

Diaz, E., Sava, P.C., 2017, Cascaded wavefield tomography & inversion using extended common image point gathers: a case study, Geophysics, v. 82, pp. S391-S401.

Duan, Y., Guitton, A., Sava, P.C., 2017, Elastic least-squares reverse time migration, Geophysics, v. 82, pp. S315-S325.

Duan, Y., Sava, P.C., 2017, 3D angle decomposition for elastic reverse time migration, Geophysics, v.82, pp. S377-S389.

Jarillo Michel, O., and I. Tsvankin, 2017, Waveform inversion for microseismic velocity analysis and event location in VTI media: Geophysics, 82, no. 4, WA95-WA103.

Kamath, N., I. Tsvankin, and E. Diaz, 2017, Elastic full-waveform inversion for VTI media: A synthetic parameterization study: Geophysics, 82, no. 5, C163-C174.

Kamath, N., I. Tsvankin, and E. Zabihi Naeini, 2017, Facies-constrained FWI: Toward application to reservoir characterization: The Leading Edge, 36, no. 11, 924-930.

Li, V., H. Wang, I. Tsvankin, E. Diaz, and T. Alkhalifah, 2017, Inversion gradients for acoustic VTI wavefield tomography: Geophysics, 82, no. 4, WA55-WA65.

Rapstine, T., Sava, P.C., Arias, E., 2017, Airborne seismic acquisition using stereo vision, Journal of Unmanned Vehicle Systems, v. 6, no. 1, pp. 31-42.

Rocha, D., Tanushev, N., Sava, P.C., 2017, Anisotropic elastic wavefield imaging using the energy norm, Geophysics, v. 82, pp. S225-S234.

2016

Arora, Y., and I. Tsvankin, 2016, Separation of diffracted waves in transversely isotropic media: Studia Geophysica et Geodaetica, 60, no. 3, 487-499.

Bai, T., and I. Tsvankin, 2016, Time-domain finite-difference modeling for attenuative anisotropic media: Geophysics, 81, no. 2, C69-C77.

Diaz, E., Sava, P.C., 2016, Understanding the reverse time migration backscattering: noise or signal?, Geophysical Prospecting, v. 64, pp. 581-594.

Duan, Y., Sava, P.C., 2016, Elastic wavefield tomography with physical model constraints, Geophysics, v. 81, pp. R447-R456.

Kamath, N., and I. Tsvankin, 2016, Elastic full-waveform inversion for VTI media: Methodology and sensitivity analysis: Geophysics, 81, no. 2, C53-C68.

Li, V., I. Tsvankin, and T. Alkhalifah, 2016, Analysis of RTM extended images for VTI media: Geophysics, 81, no. 3, S139-S150.

Rocha, D., Tanushev, N., Sava, P.C., 2016, Isotropic elastic wavefield imaging using the energy norm, Geophysics, v. 81, pp. S207-S219.

Rocha, D., Tanushev, N., Sava, P.C., 2016, Acoustic wavefield imaging using the energy norm, Geophysics, v. 81, pp. S151-S163.

Smith, S., and I. Tsvankin, 2016, Inversion of multicomponent seismic time shifts for reservoir pressure and length: A feasibility study: Geophysical Prospecting, 64, 83-101.

Zabihi Naeini, E., T. Alkhalifah, I. Tsvankin, N. Kamath, and J. Cheng, 2016, Main components of full-waveform inversion for reservoir characterization: First Break, 34, 37-48.

2015

Diaz, E., Sava, P.C., 2015, Wavefield tomography using reverse time migration backscattering, Geophysics, v. 80, pp. R57-R69.

Duan, Y., Sava, P.C., 2015, Scalar imaging condition for elastic reverse-time migration, Geophysics, v. 80, pp. S127-S136.

El Khoury, P., Revil, A., Sava, P.C., 2015, Seismoelectric beamforming imaging: a sensitivity analysis, Geophysical Journal International, v 201, pp. 1781-1800.

Grimm, R., Stillman, D., Sava, P.C., Ittharat, D., 2015, Radio Reflection Imaging of Asteroid and Comet Interiors II: Results and Recommendations, Advances in Space Research, v. 55, pp. 2166-2176.

Jarillo Michel, O., and I. Tsvankin, 2015, Estimation of microseismic source parameters by 2D anisotropic waveform inversion: Journal of Seismic Exploration, 24, 379-400.

Perrone, F., Pannizardi, J., Sava, P.C., 2015, Wavefield tomography based on local image correlations, Geophysical Prospecting, v. 63, pp. 35-54.

Perrone, F., Sava, P.C., 2015, Image-warping waveform tomography, Geophysical Prospecting, v. 63, pp. 1050-1069.

Sava, P.C., Alkhalifah, T., 2015, Anisotropy signature in reverse-time migration extended images, Geophysical Prospecting, v. 63, pp. 271-282.

Sava, P.C., Ittharat, D., Grimm, R., Stillman, D., 2015, Radio Reflection Imaging of Asteroid and Comet Interiors I: Acquisition and Imaging Theory, Advances in Space Research, v. 55, pp. 2149-2165.

Tamimi, N., I. Tsvankin, and T. L. Davis, 2015, Estimation of VTI parameters using slowness-polarization inversion of P- and SV-waves: Journal of Seismic Exploration, 24, 455-474.

Yang, T., Sava, P.C., 2015, Image-domain wavefield tomography with extended common-image-point gathers, Geophysical Prospecting, v. 63, pp. 1086-1096.

2014

Jarillo Michel, O., and I. Tsvankin, 2014, Gradient calculation for waveform inversion of microseismic data in VTI media: Journal of Seismic Exploration, 23, 201-217.

Perrone, F., Sava, P.C., Andreoletti, C., Bienatti, N., 2014, Linearized wave-equation migration velocity analysis by image warping, Geophysics, v. 79, pp. S35-S46.

Revil, A., Mahardika, H., Barnier, G., Karaoulis, M., Sava, P.C., Jardani, A., Kulessa, B., 2014, Seismoelectric coupling in unsaturated porous media: Theory, petrophysics, and saturation front localization, Geophysical Journal International, v. 196, pp. 867-884

Sava, P.C., Revil, A., Karaoulis, M., 2014, High definition cross-well electrical resistivity imaging using seismoelectric focusing and image-guided inversion, Geophysical Journal International, v. 198, pp. 880-894.

Shekar, B., and I. Tsvankin, 2014, Point-source radiation in attenuative anisotropic media: Geophysics, 79, no. 5, WB25-WB34.

Shekar, B., and I. Tsvankin, 2014, Kirchhoff modeling for attenuative anisotropic media using Gaussian beams: Geophysics, 79, no. 5, WB51-WB61.

Zabotin, N., Godin, O., Sava, P.C., Zabotina, L., 2014, Tracing three-dimensional acoustic wavefronts in inhomogeneous, moving media, Journal of Computational Acoustics, v. 22, no. 2, pp. 1450002-1 – 1450002-23.

2013

Cai, P., and I. Tsvankin, 2013, Joint migration velocity analysis of PP- and PS-waves for VTI media: Geophysics, 78, no. 5, WC123-WC135.

Fomel, S., Sava, P.C., Vlad, I., Liu, Y., Bashkardin, V., 2013, Madagascar open-source software project, Journal of Open Research Software.

Godwin, J., Sava, P.C., 2013, A comparison of shot-encoding schemes for wave-equation migration, Geophysical Prospecting, v. 61, no. 1, pp. 391-408.

Kamath, N., and I. Tsvankin, 2013, Full-waveform inversion of multicomponent data for horizontally layered VTI media: Geophysics, 78, no. 5, WC113-WC121.

Sava, P.C., Alkhalifah, T., 2013, Wide-azimuth angle gathers for anisotropic wave-equation migration, Geophysical Prospecting, v. 61, no. 1, pp. 75-91.

Shragge, J., Yang, T., Sava, P.C., 2013, Time-lapse image-domain tomography using adjoint-state methods, Geophysics (Letters), v. 78, no. 4, pp. A29-A33.

Smith, S., and I. Tsvankin, 2013, Sensitivity of compaction-induced multicomponent seismic time shifts to variations in reservoir properties: Geophysics, 78, no. 5, T151-T163.

Wang, X., and I. Tsvankin, 2013, Multiparameter TTI tomography of P-wave reflection and VSP data: Geophysics, 78, no. 5, WC51-WC63.

Wang, X., and I. Tsvankin, 2013, Ray-based gridded tomography for tilted transversely isotropic media: Geophysics, 78, no. 1, C11-C23.

Yang, T., Shragge, J., Sava, P.C., 2013, Illumination compensation for image-domain wavefield tomography, Geophysics, v. 78, no. 5, pp. U65-U76.

2012

Behura, J., I. Tsvankin, E. Jenner, and A. Calvert, 2012, Estimation of interval velocity and attenuation anisotropy from reflection data at Coronation Field: The Leading Edge, 31, no. 5, 580-587.

 Perrone, F., Sava, P.C., 2012, Wave-equation migration with dithered plane waves, Geophysical Prospecting, v. 60, no. 3, pp. 444-465.

Sava, P.C., Revil, A., 2012, Virtual electrode current injection using seismic focusing and seismoelectric conversion, Geophysical Journal International (Express Letters), v. 191, no. 3, pp. 1205-1209.

Shekar, B., and I. Tsvankin, 2012, Anisotropic attenuation analysis of crosshole data generated during hydraulic fracturing: The Leading Edge, 31, no. 5, 588-593.

Smith, S., and I. Tsvankin, 2012, Modeling and analysis of compaction-induced traveltime shifts for multicomponent seismic data: Geophysics, 77, no. 6, T221-T237.

Takanashi, M., and I. Tsvankin, 2012, Migration velocity analysis for TI media in the presence of quadratic lateral velocity variation: Geophysics, 77, no. 6, U87-U96.

Takanashi, M., and I. Tsvankin, 2012, Moveout analysis of wide-azimuth data in the presence of lateral velocity variation: Geophysics, 77, no. 3, U49-U62.

Yan, J., Sava, P.C., 2011, Elastic wave-mode separation for tilted transverse isotropy media, Geophysical Prospecting, v. 60, pp. 29-48.

Zabotin, N., Godin, O., Sava, P.C., Zabotina, L., 2012, Acoustic wavefront tracing in inhomogeneous moving media, Journal of Computational Acoustics, v. 20, no. 4, pp. 125009-1 – 125009-17.

2011

Alkhalifah, T., Sava, P.C., 2011, Migration using a transversely isotropic medium with tilt normal to the reflector dip, International Journal of Geophysics, v. 2011, article ID 530106.

Fuck, R. F., I. Tsvankin, and A. Bakulin, 2011, Influence of background heterogeneity on traveltime shifts for compacting reservoirs: Geophysical Prospecting, 59, 78-89. 

Sava, P.C., 2011, Micro-earthquake monitoring with sparsely-sampled data, Journal of Petroleum Exploration and Production Technology, v. 1, no. 1, pp. 43-49.

Sava, P.C., Vasconcelos, I., 2011, Extended imaging condition for wave-equation migration, Geophysical Prospecting, v. 59, no. 1, pp. 35-55.

Sava, P.C., Vlad, I., 2011, Wide-azimuth angle gathers for wave-equation migration, Geophysics, v. 76, pp. S131-S141.

Shekar, B., and I. Tsvankin, 2011, Estimation of shear-wave interval attenuation from mode-converted data: Geophysics, 76, no. 6, D11-D19. 

Takanashi, M., and I. Tsvankin, 2011, Correction for the influence of velocity lenses on nonhyperbolic moveout inversion for VTI media: Geophysics, 76, no. 3, WA13-WA21. 

Yang, T., Sava, P.C., 2011, Wave-equation migration velocity analysis with time-lag imaging, Geophysical Prospecting, v. 59, pp. 635-650.

Yan, J., Sava, P.C., 2011, Improving the efficiency of elastic wave-mode separation for heterogeneous TTI media, Geophysics, v. 76, pp. T65-T78.

Wang, X., and I. Tsvankin, 2011, Moveout inversion of wide-azimuth P-wave data for tilted TI media: Geophysics, 76, no. 3, WA23-WA29. 

2010

Vasconcelos, I., Sava, P.C., Douma, H., 2010, Nonlinear extended images via image-domain interferometry, Geophysics, v. 75, pp. SA105–SA115.

Yang, T., Sava, P.C., 2010, Moveout analysis of wave-equation extended images, Geophysics, v. 75, pp. 151-161.

Alkhalifah, T., Sava, P.C., 2010, A transversely isotropic medium with a tilted symmetry axis normal to the reflector, Geophysics (Letters), v. 75, pp. A19-A24.

Xuan, R., Sava, P.C., 2010, Probabilistic micro-earthquake location for reservoir monitoring and characterization, Geophysics, v. 75, pp. MA9-MA26.

2009

Ma, Y., Sava, P.C., 2009, The effects of multi-scale heterogeneities on wave-equation migration, Journal of Seismic Exploration, v. 18, pp. 357-383.

Yan, J., Sava, P.C., 2009, Elastic wavefield separation for VTI media, Geophysics, v. 74, pp. WB19-WB32.

Silva, E., Sava, P.C., 2009, Modelling and migration with orthogonal isochron rays, Geophysical Prospecting, v. 57, pp. 773-784.

Silva, E., Sava, P.C., 2009, Accelerating wavefield extrapolation isochron-ray migration, Journal of Seismic Exploration, v. 18, pp. 21-42.

2008

Yan, J., Sava, P.C., 2008, Isotropic angle-domain elastic reverse-time migration, Geophysics, v. 73, pp. S229-S239.

Sava, P.C., Vlad, I., 2008, Numeric implementation of wave-equation migration velocity analysis operators, Geophysics, v. 73, pp. VE145-VE159.

Sava, P.C., Poliannikov, O., 2008, Interferometric imaging condition for wave-equation migration, Geophysics, v. 73, pp. S47-S61.

Rosales, D., Fomel, S., Biondi, B., Sava, P.C., 2008, Wave-equation angle-domain common-image gathers for converted waves, Geophysics, v. 73, no. 1, pp. S17-S26.

2007

Sava, P.C., 2007, Stereographic imaging condition for wave-equation migration, Geophysics (Letters), v. 72, no. 6, pp. A87-A91.

Sava, P.C., Fomel, S., 2007, High-order kernels for Riemannian wavefield extrapolation, Geophysical Prospecting, v. 56, pp. 49-60.

2006

Sava, P.C., 2006, Imaging overturning reflections by Riemannian wavefield extrapolation, Journal of Seismic Exploration, v. 15, no 3, 209-223.

Sava, P.C., Fomel, S., 2006, Time-shift imaging condition in seismic migration, Geophysics, v. 71, no 6, pp. S209-S217.

2005

Sava, P.C., Fomel, S., 2005, Riemannian wavefield extrapolation, Geophysics, v. 70, no. 3, pp. T45-T56.

Sava, P.C., Biondi, B., Etgen, J., 2005, Wave-equation migration velocity analysis by focusing of diffractions and reflections, Geophysics, v. 70, no. 3, U19-U27.

Sava, P.C., Guitton, A., 2005, Multiple attenuation in the image space, Geophysics, v. 70, pp. V10-V20.

2004

Sava, P.C., Biondi, B., 2004, Wave-equation migration velocity analysis – I: Theory, Geophysical Prospecting, v. 52, pp. 593-606.

Sava, P.C., Biondi, B., 2004, Wave-equation migration velocity analysis – II: Subsalt imaging example, Geophysical Prospecting, v. 52, pp. 607-623.

2003

Sava, P.C., Fomel, S., 2003, Angle-domain common-image gathers by wavefield continuation methods, Geophysics, v. 68, no. 3, pp. 1065-1074

Sava, P.C., 2003, Prestack residual migration in the Fourier domain, Geophysics, v. 68, no. 2, pp. 634-640.

Fomel, S., Sava, P.C.,, Rickett, J., Claerbout, J., 2003, The Wilson-Burg method of spectral factorization with application to helical filtering, Geophysical Prospecting, v. 51, pp. 409-420.

2002

Rickett, J., Sava, P.C., 2002, Offset and angle-domain common image-point gathers for shot-profile migration, Geophysics, v. 67, no. 3, pp. 883-889.

2001

Sava, P.C., Fomel, S., 2001, 3-D traveltime computation using Huygens wavefront tracing, Geophysics, v. 66, no. 3, pp. 883-889.

Other publications

Li, L., Caers, J., Sava, P.C., 2015, Assessing seismic uncertainty via geostatistical velocity model perturbation and image registration: an application to sub-salt imaging, The Leading Edge, v. 34, pp. 1064-1070.

Biondi, B., Nichols, D., Sava, P.C., 2014, Introduction to the special issue on Imaging Migration, The Leading Edge, v. 33, pp. 950.

Diaz, E., Sava, P.C., Yang, T., 2013, Data-domain and image-domain wavefield tomography, The Leading Edge, v. 32, pp. 1064-1072.

Sava, P.C., 2010, Introduction to the special issue on High Performance Computing, The Leading Edge, v. 29, pp. 42-43.

Sava, P.C., Hill, S., 2009, Overview and classification of wavefield seismic imaging methods, The Leading Edge, v. 28, pp. 170-183.

Vasconcelos, I., Snieder, R., Sava, P.C., Taylor, T., Malin, M., Chavarria, A., 2008, Drill bit noise illuminates the San Andreas fault, EOS Trans. Am. Geophys. Union, v. 89, pp. 349.

Sava, P.C., 2006, Subsalt Exploration and Development: Imaging, Interpretation, and Drilling – What have we learned?, The Leading Edge, v. 25, pp. 1370-1376.