Alexei Stovas

Publikasjoner

2025

Park, Sea-Eun; Stovas, Alexei; Oh, Ju-Won. (2025) Acoustic anisotropic time-lapse full-waveform inversion based on elliptical anisotropic assumption at the Sleipner site. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2025) Gaussian curvature of the slowness surface in vicinity of singularity point in anisotropic media. Geophysical Journal International
Vitenskapelig artikkel
Yang, Yuyong; Stovas, Alexei; Qi, Qiaomu; Zhou, Huailai. (2025) Inversion of fracture weakness parameters based on 3CVSP data-Part II: ORT media composed of a single fracture set in the VTI background media. Geophysics
Vitenskapelig artikkel
Galtung, Kristoffer Tesdal; Stovas, Alexei. (2025) Imaging moveout in acoustic factorized orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2025) Group velocity image of singularities for converted reflected and transmitted waves in orthorhombic anisotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Qu, Jie; He, Xueming. (2025) Approximation for reflection and transmission at a thin isotropic poroelastic bed between two isotropic elastic half-spaces. Geophysical Prospecting
Vitenskapelig artikkel

2024

Yang, Chun; Wang, Yun; Stovas, Alexei; Wang, Liheng. (2024) Modified Biot Elastic Coefficients in Poroelastic Solid. Journal of Earth Science
Leder
Chen, Fubin; Zong, Z.; Stovas, Alexei; Yin, X.. (2024) Stress-Dependent Study on Dispersion of Elastic Wave Attenuation in Saturated Porous Layered Media . Science in China Series D: Earth sciences
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexei; Roganov, V.. (2024) Anisotropic media with singular slowness surfaces. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Yu, Jiaxin; Stovas, Alexei. (2024) Understanding the impact of stress release on sandstone using sound waves: rock physics, applications and code. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2024/100)
Doktorgradsavhandling
Martinez Guzman, Ricardo Jose; Vinje, Vetle; Stovas, Alexei; Mispel, Joachim; Ringrose, Philip Stefan; Duffaut, Kenneth. (2024) Diving-wave time-lapse delay for CO2 thin layer detection. Geophysical Journal International
Vitenskapelig artikkel
Yang, Yuyong; Stovas, Alexei; Qi, Qiaomu; Zhou, Huailai. (2024) Inversion of fracture weakness parameters based on 3C vertical seismic profile data — Part I: Horizontal transversely isotropic media composed of a single fracture set in the isotropic background media. Geophysics
Vitenskapelig artikkel
Galtung, Kristoffer Tesdal; Stovas, Alexei. (2024) Diving waves in acoustic factorized orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Yi, Zhang; Stovas, Alexei; De Siena, Luca. (2024) Wavefield simulation and reverse time migration for acoustic TTI media. Geophysics
Vitenskapelig artikkel
Song, Jin; Hu, Xiangyun; Li, Xuelei; Stovas, Alexei. (2024) Tuning effects of a thin layer with triclinic anisotropy. Geophysics
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2024) Singularity points and their degeneracies in anisotropic media. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2024) Degenerate orthorhombic models. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei. (2024) On the singularity point in acoustic orthorhombic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel

2023

Xu, Shibo; Stovas, Alexei. (2023) Sensitivity study of the critical angle in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, Jinghuai; Xu, Wenhao; Yu, Jiaxin. (2023) Tight sandstone gas reservoir characterization via amplitude-versus-offset attributes. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2023) On pathological orthorhombic models. Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Wang, Yujie; Wang, Zhiheng. (2023) Normal incidence reflection coefficient approximation at an isotropic–poroelastic interface. Geophysical Prospecting
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, J.. (2023) Upscaling method based on sedimentary cycle prior and its application to well-to-seismic tie . Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Wang, Liheng. (2023) Reflection and transmission from a porous layer sandwiched in-between seawater and solid substrate . Ocean Engineering
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, Jinghuai; Meng, Chuangji; Yang, Chun. (2023) Frequency-Dependent AVO Inversion and Application on Tight Sandstone Gas Reservoir Prediction Using Deep Neural Network. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Chen, Fubin; Zong, Zhaoyun; Yin, Xingyao; Stovas, Alexei. (2023) Stress dependence of elastic wave dispersion and attenuation in fluid-saturated porous layered media. Science China. Earth Sciences
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Li, Mengqi; Tian, Yajun. (2023) Dissipation factor and phase velocity approximate formulas for P-waves in fluid-saturated porous media. Waves in Random and Complex Media
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexei; Roganov, V.. (2023) Properties of singular points in a special case of orthorhombic media. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Li, Mengqi; Stovas, Alexei; Lu, Jun. (2023) P-, SV- and SH-wave eikonal approximations for HTI media based on perturbation theory. Geophysical Journal International
Vitenskapelig artikkel
Chen, F.; Zong, Z; Stovas, Alexei; Yin, X. (2023) Wave reflection and transmission coefficients for layered transversely isotropic media with vertical symmetry axis under initial stress . Geophysical Journal International
Vitenskapelig artikkel

2022

Xu, Shibo; Stovas, Alexei; Huang, Xingguo. (2022) Umbilic points of slowness surface in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey; Hu, Xiangyun. (2022) Improved generalized moveout approximation with a novel parameterization. Geophysics
Vitenskapelig artikkel
Khoshnavaz, M. Javad; Stovas, Alexey. (2022) NMO stretch in VTI media, presented by non-hyperbolic approximations. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) The S waves geometrical spreading in elliptical orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Pigulevskiy, P.I.; Stovas, Alexey. (2022) Seismic geotraverse "Granit" (Ukrainian part). Reanimation . Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2022) Extension of the kinematic approximations to the multilayered elastic orthorhombic medium. Geophysics
Vitenskapelig artikkel
Li, Mengqi; Stovas, Alexey; Lu, J; Cai, Y; Hu, J. (2022) Inversion of Fracture Weaknesses Based on Linearly Approximated Traveltime. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2022) Perturbation-based moveout approximation in the elastic transversely isotropic media with a vertical symmetry axis. Geophysics
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2022) Location of singular points in orthorhombic media. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2022) On singularity points in elastic orthorhombic media. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Huang, Xingguo. (2022) The approximation for relative geometric spreading in the elastic vertical transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) Behavior of S waves in vicinity of singularity point in elliptic orthorhombic media. Geophysics
Vitenskapelig artikkel
Jin, Song; Hu, Xiangyun; Stovas, Alexey. (2022) Feasibility of characterizing an aligned fracture set from azimuthal amplitude variations of PP-and converted waves. Geophysics
Vitenskapelig artikkel
Li, Mengqi; Lu, Jun; Stovas, Alexey; Wang, Yun. (2022) Joint PP, PS1, and PS2 AVA Inversion of HTI Media. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Pang, Shuo; Stovas, Alexey; Xing, Huilin. (2022) Analysis of S waves singularity points in porous rock with two orthogonal sets of mesoscale fractures. Geophysical Journal International
Vitenskapelig artikkel
Shuai, Da; Stovas, Alexey; Zhao, Yang; Huang, Xingxing; He, Lingyi. (2022) Frequency-dependent anisotropy due to non-orthogonal sets of mesoscale fractures in porous media. Geophysical Journal International
Vitenskapelig artikkel
Torres Caceres, Veronica Alejandra; Duffaut, Kenneth; Westad, Frank Ove; Stovas, Alexey; Johansen, Yngve Bolstad; Jenssen, Arne Johannes Kaaijk. (2022) Automated Log Data Analytics Workflow - The Value of Data Access and Management to Reduced Turnaround Time for Log Analysis. Petrophysics
Vitenskapelig artikkel
Li, Bowen; Stovas, Alexey. (2022) Decoupling approximation of P- and S-wave phase velocities in orthorhombic media. Geophysics
Vitenskapelig artikkel

2018

Stovas, Alexey. (2018) Geometrical spreading in orthorhombic media. Geophysics
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2018) S-wave kinematics in acoustic transversely isotropic media with a vertical symmetry axis . Geophysical Prospecting
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2018) Triplications on traveltime surface for pure and converted wave modes in elastic orthorhombic media . Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2018) Freznel zone in VTI and orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Sripanich, Yanadet. (2018) An anelliptic approximation for geometrical spreading in transversely isotropic and orthorhombic media . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2018) Approximate reflection coefficients for a thin VTI layer. Geophysics
Vitenskapelig artikkel
Torres Caceres, Veronica Alejandra; Carter, Andrew James; Duffaut, Kenneth; Stovas, Alexey. (2018) An Attenuation Model from Dispersion Trends in North Sea Well Data. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Xu, Shibo; Stovas, Alexey. (2018) Generalized nonhyperbolic approximations for relative geometrical spreading in layered anisotropic media . Geophysical Prospecting
Vitenskapelig artikkel
Subagjo, Isa Adi; Dupuy, Bastien; Park, Joonsang; Romdhane, Mohamed Anouar; Querendez, Etor; Stovas, Alexey. (2018) Joint Rock Physics Inversion of Seismic and Electromagnetic Data for CO2 Monitoring at Sleipner. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2017

Torres Caceres, Veronica Alejandra; Stovas, Alexey; Dupuy, Bastien. (2017) Seismic Wave Attenuation in Partially Saturated Sandstone and AVO Analysis for Carbon Dioxide Quantification at Sleipner. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Mastergradsoppgave
Torres Caceres, Veronica Alejandra; Dupuy, Bastien; Stovas, Alexey. (2017) Tuning and Partial Saturation Effects on Reflection Responses at Sleipner Field. Society of Petroleum Engineers
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Xu, Shibo; Stovas, Alexey. (2017) Preserved travel-time smoothing in orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Traveltime parameters in tilted orthorhombic medium. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Hao, Qi. (2017) Perturbation-based moveout approximations in anisotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey. (2017) Effect of lateral heterogeneity on reflection traveltimes. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) A new parameterization for acoustic orthorhombic media. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Traveltime parameters in tilted orthorhombic medium. SEG technical program expanded abstracts
Sammendrag/abstract
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey; Hao, Qi. (2017) 3D generalized nonhyperboloidal moveout approximation. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Mapping of geometrical spreading in anisotropic media. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey; Sripanich, Yanadet. (2017) An anelliptic approximation for geometrical spreading in transversely isotropic and orthorhombic media. SEG technical program expanded abstracts
Sammendrag/abstract
Stovas, Alexey. (2017) Geometrical spreading of P wave in acoustic ORT media. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) Perturbation-based approximation for traveltime in orthorhombic media using a new parameterization. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) Three-dimensional generalized non-hyperbolic approximation for relative geometrical spreading. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexey. (2017) Kinematic parameters of pure- and converted-mode waves in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Weak-anisotropy approximation for P-wave reflection coefficient at the boundary between two tilted transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
bin Waheed, Umair; Stovas, Alexey; Alkhalifah, Tariq. (2017) Anisotropy parameter inversion in vertical axis of symmetry media using diffractions. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) S-wave singularities in tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2017) The modified generalized moveout approximation: a new parameter selection. Geophysical Prospecting
Vitenskapelig artikkel
Masmoudi, Nabil; Stovas, Alexey; Alkhalifah, Tariq. (2017) Scanning anisotropy parameters in horizontal transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel

2016

Ivanov, Yuriy; Stovas, Alexey. (2016) Normal moveout velocity ellipse inversion in tilted orthorhombic media. SEG technical program expanded abstracts
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Hao, Qi. (2016) New moveout approximation for orthorhombic model. SEG technical program expanded abstracts
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2016) Down- and up-going waves in tilted orthorhombic media in zero-frequency limit. SEG technical program expanded abstracts
Vitenskapelig artikkel
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey; Hao, Qi. (2016) 3D generalized nonhyperboloidal moveout approximation. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexei. (2016) Generalized moveout approximation for P–SV converted waves in vertically inhomogeneous transversely isotropic media with a vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexei. (2016) Normal moveout velocity ellipse in tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexei; Masmoudi, Nabil; Alkhalifah, Tariq. (2016) Application of perturbation theory to a P-wave eikonal equation in orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexei. (2016) Vertical on-axis triplications in orthorhombic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Dupuy, Bastien; Stovas, Alexey. (2016) Effect of anelastic patchy saturated sand layers on the reflection and transmission responses of a periodically layered medium. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2016) Mapping of moveout attributes using local slopes. Geophysical Prospecting
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2016) P-wave slowness surface approximation for tilted orthorhombic media . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2016) The offset-midpoint traveltime pyramid of P-waves in homogeneous orthorhombic media . Geophysics
Vitenskapelig artikkel
Dupuy, Bastien; Garambois, Stéphane; Asnaashari, Amir; Balhareth, Hadi Mohammed; Landrø, Martin; Stovas, Alexey. (2016) Estimation of rock physics properties from seismic attributes - Part 2: Applications. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Alkhalifah, Tariq. (2016) Estimation of the anisotropy parameters from imaging moveout of diving wave in a factorized anisotropic medium. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2016) Reflected waves in finely layered tilted orthorhombic media . Studia Geophysica et Geodaetica
Vitenskapelig artikkel

2015

Dupuy, Bastien; Garambois, Stephane; Asnaashari, Amir; Balhareth, Hadi M; Landrø, Martin; Stovas, Alexey. (2015) Estimation of rock physics properties from seismic attributes - Part 2: Applications. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2015) Upscaling for orthorhombic media. SEG technical program expanded abstracts
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Alkhalifah, Tariq. (2015) Estimation of the anisotropy parameters from imaging moveout of diving wave in a factorized anisotropic medium. Geophysics
Vitenskapelig artikkel
Dupuy, Bastien; Balhareth, Hadi Mohammed; Landrø, Martin; Garambois, Stéphane; Stovas, Alexey; Asnaashari, Amir. (2015) Inversion of rock physics properties from seismic attributes using a downscaling method. Third EAGE workshop on rock physics
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2015) Curvature and anisotropy estimation through the CRS approximation . Journal of Geophysics and Engineering
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2015) The offset-midpoint traveltime pyramid in 3D transversely isotropic media with a horizontal symmetry axis. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Masmoudi, Nabil; Alkhalifah, Tariq. (2015) Parameter inversion in HTI media. FWI Workshop
Sammendrag/abstract
Stovas, Alexey. (2015) Azimuthally dependent kinematic properties of orthorhombic media. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) P-wave slowness surface approximation for tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Ayzenberg, Alena; Stovas, Alexey. (2015) Transmission-Propagation Operator Theory and Tip-Wave Superposition Method for sub-salt shadow wavefield description. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (266)
Doktorgradsavhandling
Ivanov, Yuriy; Stovas, Alexey. (2015) Upscaling in orthorhombic media: Behavior of elastic parameters in heterogeneous fractured earth . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) The offset-midpoint travel-time pyramid for P-wave in 2D transversely isotropic media with a tilted symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) Analytic calculation of phase and group velocities of P-waves in orthorhombic media. Geophysics
Vitenskapelig artikkel

2014

Ayzenberg, Alena; Zyatkov, N; Stovas, Alexey; Aizenberg, A. M.. (2014) Sub-salt Illumination by the Feasible Green's Function of Covering Sediments. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Ayzenberg, Alena; Zyatkov, N; Stovas, Alexey; Aizenberg, A. M.. (2014) The Feasible Near-front Wavefield Below Salt Overhang in Terms of Cascade Diffraction. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Dupuy, Bastien; Stovas, Alexey. (2014) Reflection and Transmission Responses of a Periodic Layered Medium Constituted by Shales and Patchy Saturated Sands. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Yuriy; Stovas, Alexey. (2014) Low-frequency normal wave propagation in a periodically layered medium with weak-contrast in elastic properties. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Hao, Qi. (2014) Plane wave in vertically heterogeneous anisotropic media. CPS-SEG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Three-dimensional generalized nonhyperbolic moveout approximation - 3D HTI model test. CPS-SEG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Alkhalifah, Tariq. (2014) Mapping of moveout approximations in TI media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy. (2014) Upscaling for multilayered transversely isotropic media with a tilt in symmetry axis. IAMG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy. (2014) Upscaling in TTI media. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Generalized moveout approximation for phase velocity in orthorhombic media. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Dupuy, Bastien. (2014) Reflection and transmission responses of a periodic layered medium constituted by shales and patchy saturated sands. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Alkhalifah, Tariq. (2014) Analytical approximations of diving wave imaging in factorized medium. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Fomel, Sergey. (2014) Mapping of moveout attributes using local slopes. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Ayzenberg, Alena; Zyatkov, N; Ayzenberg, Arkady. (2014) The feasible near-front wavefield below salt overhang in terms of cascade diffraction. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Ayzenberg, Alena. (2014) Tip-wave diffraction. EAGE/SPE workshop
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy. (2014) Zero-frequency upscaling in TTI media. Geoinformatika
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Three-dimensional GMA - 3D HTI model test. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Generalized group- and phase-domains moveout approximations for converted-wave in a homogeneous VTI layer. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Conversion point approximation. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Dupuy, Bastien; Balhareth, Hadi Mohammed; Landrø, Martin. (2014) Estimation of reservoir properties and gas saturation from shallow time-lapse FWI data for an old underground blowout. EAGE Expanded Abstracts
Sammendrag/abstract
Dupuy, Bastien; Stovas, Alexey. (2014) Influence of frequency and saturation on AVO attributes for patchy saturated rocks. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Hao, Qi. (2014) P-wave diffraction and reflection traveltimes for ahomogeneous 3D DTI model. Journal of Seismic Exploration
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexey; Roganov, V.. (2014) ANALYSIS OF PASS AND STOP BANDS IN A PERIODICALLY LAYERED MEDIUM. АНАЛИЗ ЗОН ПРОХОЖДЕНИЯ И ПОГЛОЩЕНИЯ В ПЕРИОДИЧЕСКОЙ СЛОИСТОЙ СРЕДЕ. Tekhnologii Seismorazvedki
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, Tariq. (2014) Analytical approximations of diving wave imaging inconstant gradient medium. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2014) Generalized Group- and Phase-domains Moveout Approximations for Converted-wave in a Horizontal and Homogeneous VTI Layer. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Hao, Qi; Stovas, Alexey. (2014) Three Dimensional Generalized Nonhyperbolic Moveout Approximation - Application on a 3D HTI Model. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2014) The offset-midpoint traveltime pyramid in 3D transversely isotropic media with a horizontal symmetry axis. Geophysics
Vitenskapelig artikkel

2013

Golikov, Pavel; Avseth, P; Stovas, Alexey; Bachrach, R. (2013) Rock physics interpretation of heterogeneous and anisotropic turbidite reservoirs. Geophysical Prospecting
Vitenskapelig artikkel
bin Waheed, U; Alkhalifah, T; Stovas, Alexey. (2013) Diffraction traveltime approximation for TI media with an inhomogeneous background. Geophysics
Vitenskapelig artikkel
Pigulevskiy, P.; Nikitash, L.; Stovas, Alexey. (2013) On the role of potential methods to study the salt and reef structures in the Dnieper-Donets basin. Vìsnik. Geologìâ
Vitenskapelig artikkel
Vinje, V; Stovas, Alexey; Reynaud, D. (2013) Preserved-traveltime smoothing. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Dupuy, Bastien. (2013) Wave attenuation and dispersion in patchy saturated oil and gas reservoirs: influence of frequency and saturation on AVO attributes. American Society of Civil Engineers (ASCE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Roganov, Yuriy; Duffaut, Kenneth; Carter, Andrew J.. (2013) Low-frequency layer-induced anisotropy. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy. (2013) Low frequency velocity dispersion and reflection coefficient in a periodical weak-contrast medium. Zbìrnik naukovih pracʹ Ukraïnsʹkogo deržavnogo geologorozvìduvalʹnogo ìnstitutu
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, Tariq. (2013) Mapping of moveout in tilted transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, T. (2013) A tilted transversely isotropic slowness surface approximation. Geophysical Prospecting
Vitenskapelig artikkel

2012

Stovas, Alexey; Alkhalifah, T.. (2012) Mapping of Moveout in a TTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Asymptotical Comparison of Non-hyperbolic Moveout Approximations in a VTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2012) Hamiltonian Formalism for the Plane Waves Propagating in Periodically Layered Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime Parameters for Vertically Heterogeneous 2D TTI Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Fomel, Sergey. (2012) Shifted hyperbola moveout approximation revisited. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2012) Generalized nonelliptic moveout approximation in tau-rho domain. Geophysics
Vitenskapelig artikkel
Golikov, Pavel; Stovas, Alexey. (2012) Traveltimes for tilted TI media. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2012/311)
Doktorgradsavhandling
Stovas, Alexey; Alkhalifah, T.. (2012) A new traveltime approximation for TI media. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Accuracy comparison of nonhyperbolic moveout approximations for qP-waves in VTI media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey. (2012) Low-frequency wave propagation in periodically layered media. Geophysical Prospecting
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime parameters in tilted transversely isotropic media. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime parameters in a tilted elliptical anisotropic medium. Geophysical Prospecting
Vitenskapelig artikkel

2011

Roganov, Y; Stovas, Alexey. (2011) Caustics in a periodically layered transversely isotropic medium with vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey. (2011) Unconstrained direct Dix-type inversion in a layered VTI medium. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2011) Traveltime Parameters in a Tilted Elliptical Anisotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Alkhalifah, T.. (2011) The TTI slowness surface approximation. Society of Exploration Geophysicists. Expanded Abstracts with Biographies
Vitenskapelig artikkel
Roganov, Y.V.; Stovas, Alexey. (2011) Low-frequency Wave Propagation in Periodically Layered Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Vinje, Vetle; Stovas, Alexey; Reynaud, D.. (2011) Preserved-traveltime Smoothing. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Alkhalifah, T.. (2011) A New Traveltime Approximation for TI Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Roganov, Yury. (2011) Acoustic Waves in Layered Media - From Theory to Seismic Applications. IntechOpen
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2011) The unphysical qP-wave caustics in acoustic VTI media. Tekhnologii Seismorazvedki
Vitenskapelig artikkel

2010

Stovas, Alexey. (2010) Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Roganov, Y.V.; Stovas, Alexey. (2010) Caustics in a Periodically Layered VTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.; Stovas, Alexey. (2010) On shear-wave triplications in a multilayered transversely isotropic medium with vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey. (2010) qP-wave Triplications in an Acoustic Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2010) New Parametrization for qPqP and qPqSV Reflection Coefficients in a Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2010) Kinematical characteristics of the factorized velocity model. Geophysical Prospecting
Vitenskapelig artikkel
Fomel, Sergey; Stovas, Alexey. (2010) Generalized nonhyperbolic moveout approximation. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2010) New weak-contrast approximation for reflection coefficients in transversely isotropic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Skopintseva, Lyubov; Stovas, Alexey. (2010) Overburden dependent AVA inversion. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Y. (2010) Scattering versus intrinsic attenuation in periodically layered media. Journal of Geophysics and Engineering
Vitenskapelig artikkel

2009

Stovas, Alexey. (2009) Power-gradient velocity model. Geophysics
Vitenskapelig artikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2009) Correspondence between the low- and high-frequency limits for anisotropic parameters in a layered medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Y. (2009) Slowness surface approximations for qSV-waves in transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey. (2009) Direct Dix-type inversion in a layerd VTI medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Skopintseva, Lyubov; Stovas, Alexey. (2009) Effect of the Model Dependent Velocity Analysis on the Results of AVO Inversion. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2009) Kinematically Equivalent Factorized Models. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.; Stovas, Alexey. (2009) SV-waves triplications in the multilayered VTI media. European Association of Geoscientists and Engineers (EAGE)
Annet
Stovas, Alexey; Ursin, Bjørn. (2009) Improved geometric-spreading approximation in layered transversely isotropic media. Geophysics
Vitenskapelig artikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2009) Comparison of averaging methods for velocity model building from well logs. Journal of Geophysics and Engineering
Vitenskapelig artikkel

2008

Stovas, Alexey. (2008) Kinematically equivalent velocity distributions. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Y.. (2008) Attenuation versus scattering in a periodically layerd medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Skopintseva, Lyubov; Stovas, Alexey. (2008) Overburden-dependent AVO interpretation.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2008) Comparison of Average Methods to Build a Velocity Model from Sonic Log. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2008) Kinematical characteristics of the factorized model.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2008) Improved Geometrical Spreading Approximation in Layered Transversely Isotropic Media (P072). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2008) Quasi-acoustic Approximations for qSV-waves in a Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2007

Stovas, Alexey. (2007) Phase velocity approximation in finely layered sediments. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2007) Equivalent time-average and effective medium for periodic layers. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Janbu, N.. (2007) Seismic attributes from ultra-thin layered reservoir. Oil & Gas Science and Technology
Vitenskapelig artikkel
Tygel, Martin; Ursin, Bjørn; Stovas, Alexey. (2007) Convergence of traveltime power series for a layered VTI medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2007) Estimation of layer parameters for linear P- and S-wave velocity functions. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2007) The Reflection and Transmission Responces of a Periodically Layered Medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2007) Kinematically equivalent velocity ditributions.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Fomel, S.B.; Stovas, Alexey. (2007) Generalized Non-Hyperbolic Moveout Approximation. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The Low and High Frequency Limits for Anisotropic Parameters in a Layered Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2007) The Geometrical Spreading in VTI Medium Revisited. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2007) 4D Detection of Gas Coning. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The low and high frequency limits for anisotropic parameters in layered medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Haugen, Jon Andre; Ursin, Bjørn; Stovas, Alexey. (2007) Sensitivity of Dix-type inverse formulae. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Pedersen, Ørjan; Ursin, Bjørn; Stovas, Alexey. (2007) Wide-angle phase-slowness approximations in VTI media. Geophysics
Vitenskapelig artikkel
Mittet, Rune; Aakervik, Odd; Jensen, Hans; Ellingsrud, Svein; Stovas, Alexey. (2007) On the orientation and absolute phase of marine CSEM receivers. Geophysics
Vitenskapelig artikkel

2006

Stovas, Alexey; Ursin, Bjørn. (2006) Parameter estimation for a linear velocity function. Russian Geology and Geophysics
Vitenskapelig artikkel
Sinding-Larsen, Richard; Stovas, Alexey; Landrø, Martin; Brandsegg, Kristian Bjarnøe; Johnsen, Sverre Ola; Lippard, Stephen John. (2006) A Novel Workflow for 3D Integration of Geological and Geophysical Heterogeneity Signatures at Reservoir Scale. Proceedings International Association for Mathematical Geology Annual Conference
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Avseth, Per. (2006) AVO attribute inversion for finely layered reservoirs. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Arntsen, Børge. (2006) A sensitivity study based on 2D synthetic data from the Gullfaks Field, using PP and PS time-lapse stacks for fluid-pressure discrimination. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Ursin, Bjørn; Stovas, Alexey. (2006) Traveltime approximations for a layered transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Røste, Thomas; Stovas, Alexey; Landrø, Martin. (2006) Estimation of layer thickness and velocity changes using 4D prestack seismic data. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Arntsen, Børge. (2006) Vertical propagation of low-frequency waves in finely layered media. Geophysics
Vitenskapelig artikkel
Sinding-Larsen, Richard; Stovas, Alexey; Landrø, Martin; Brandsegg, Kristian Bjarnøe; Johnsen, Sverre Ola; Lippard, Stephen John. (2006) A Novel Workflow for 3D Integration of Geological and Geophysical Heterogeneity Signatures at Reservoir Scale.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Arntsen, Børge. (2006) Phase velocity approximation in the finely layered sediments.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2006) Parameter Estimation for Linear Velocity Functions (P158). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Pedersen, Ørjan; Ursin, Bjørn; Stovas, Alexey. (2006) Wide-Angle Phase-Slowness Approximations in VTI Media (P186). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2006) Phase Velocity Approximation in a finaly Layered Medium (P037). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2006) Uncertainty in discrimination between net-to-gross and water saturation for fine-layered reservoirs.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2006) Seismic modelling from ultra-thin layered reservoirs. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2005

Janbu, Nils Erik; Stovas, Alexey; Sinding-Larsen, Richard; Landrø, Martin; Lippard, Stephen John; Johnsen, Sverre Ola. (2005) A novel workflow for the integration of geological and geophysical heterogeneity signatures at the reservoir scale. NGF abstracts and proceedings
Sammendrag/abstract
Røste, Thomas; Stovas, Alexey; Landrø, Martin. (2005) Estimation of layer thickness and velocity changes using 4D prestack seismic data. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2005) Effect of anisotropy and anelasticity on net-to-gross and fluid saturation estimation. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2005) The reflection and transmission responses of a periodic layered medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Janbu, Nils Erik; Stovas, Alexey; Sinding-Larsen, Richard; Landrø, Martin; Lippard, Stephen John; Mørk, Mai Britt Engeness. (2005) Integrating geology and geophysics in subseismic reservoir description - How to uise digital sediment characterization to constrain plausible subsesimic reservoir scenarios. Norsk geologisk forening
Vitenskapelig antologi/Konferanseserie
Ursin, Bjørn; Stovas, Alexey. (2005) Generalized Dix equations for layered transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin. (2005) Fluid-pressure discrimination in anisotropic reservoir rocks - A sensitivity study. Geophysics
Vitenskapelig artikkel

2004

Stovas, Alexey; Landrø, Martin. (2004) Optimal use of PP and PS time-lapse stacks for fluid-pressure discrimination. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2004) New travel-time approximations for a transversely isotropic medium. Journal of Geophysics and Engineering
Vitenskapelig artikkel

2003

Stovas, Alexey; Ursin, Bjørn. (2003) Reflection and transmission responses of layered transversely isotropic visco-elastic media. Geophysical Prospecting
Vitenskapelig artikkel

2002

Ursin, Bjørn; Stovas, Alexey. (2002) Reflection and transmission responses of a layered isotropic visco-elastic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey. (2002) Integral dip moveout operator for transversely isotropic media - the hyperbolic case. Journal of Seismic Exploration
Vitenskapelig artikkel

2001

Stovas, Alexey; Ursin, Bjørn. (2001) Second-order approximations of the reflection and transmission coefficients between two visco-elastic isotropic media. Journal of Seismic Exploration
Vitenskapelig artikkel

Tidsskriftspublikasjoner

Park, Sea-Eun; Stovas, Alexei; Oh, Ju-Won. (2025) Acoustic anisotropic time-lapse full-waveform inversion based on elliptical anisotropic assumption at the Sleipner site. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2025) Gaussian curvature of the slowness surface in vicinity of singularity point in anisotropic media. Geophysical Journal International
Vitenskapelig artikkel
Yang, Yuyong; Stovas, Alexei; Qi, Qiaomu; Zhou, Huailai. (2025) Inversion of fracture weakness parameters based on 3CVSP data-Part II: ORT media composed of a single fracture set in the VTI background media. Geophysics
Vitenskapelig artikkel
Galtung, Kristoffer Tesdal; Stovas, Alexei. (2025) Imaging moveout in acoustic factorized orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2025) Group velocity image of singularities for converted reflected and transmitted waves in orthorhombic anisotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Qu, Jie; He, Xueming. (2025) Approximation for reflection and transmission at a thin isotropic poroelastic bed between two isotropic elastic half-spaces. Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Wang, Yun; Stovas, Alexei; Wang, Liheng. (2024) Modified Biot Elastic Coefficients in Poroelastic Solid. Journal of Earth Science
Leder
Chen, Fubin; Zong, Z.; Stovas, Alexei; Yin, X.. (2024) Stress-Dependent Study on Dispersion of Elastic Wave Attenuation in Saturated Porous Layered Media . Science in China Series D: Earth sciences
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexei; Roganov, V.. (2024) Anisotropic media with singular slowness surfaces. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Martinez Guzman, Ricardo Jose; Vinje, Vetle; Stovas, Alexei; Mispel, Joachim; Ringrose, Philip Stefan; Duffaut, Kenneth. (2024) Diving-wave time-lapse delay for CO2 thin layer detection. Geophysical Journal International
Vitenskapelig artikkel
Yang, Yuyong; Stovas, Alexei; Qi, Qiaomu; Zhou, Huailai. (2024) Inversion of fracture weakness parameters based on 3C vertical seismic profile data — Part I: Horizontal transversely isotropic media composed of a single fracture set in the isotropic background media. Geophysics
Vitenskapelig artikkel
Galtung, Kristoffer Tesdal; Stovas, Alexei. (2024) Diving waves in acoustic factorized orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Yi, Zhang; Stovas, Alexei; De Siena, Luca. (2024) Wavefield simulation and reverse time migration for acoustic TTI media. Geophysics
Vitenskapelig artikkel
Song, Jin; Hu, Xiangyun; Li, Xuelei; Stovas, Alexei. (2024) Tuning effects of a thin layer with triclinic anisotropy. Geophysics
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2024) Singularity points and their degeneracies in anisotropic media. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2024) Degenerate orthorhombic models. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexei. (2024) On the singularity point in acoustic orthorhombic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexei. (2023) Sensitivity study of the critical angle in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, Jinghuai; Xu, Wenhao; Yu, Jiaxin. (2023) Tight sandstone gas reservoir characterization via amplitude-versus-offset attributes. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2023) On pathological orthorhombic models. Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Wang, Yujie; Wang, Zhiheng. (2023) Normal incidence reflection coefficient approximation at an isotropic–poroelastic interface. Geophysical Prospecting
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, J.. (2023) Upscaling method based on sedimentary cycle prior and its application to well-to-seismic tie . Geophysical Prospecting
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Wang, Liheng. (2023) Reflection and transmission from a porous layer sandwiched in-between seawater and solid substrate . Ocean Engineering
Vitenskapelig artikkel
Tian, Yajun; Stovas, Alexei; Gao, Jinghuai; Meng, Chuangji; Yang, Chun. (2023) Frequency-Dependent AVO Inversion and Application on Tight Sandstone Gas Reservoir Prediction Using Deep Neural Network. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Chen, Fubin; Zong, Zhaoyun; Yin, Xingyao; Stovas, Alexei. (2023) Stress dependence of elastic wave dispersion and attenuation in fluid-saturated porous layered media. Science China. Earth Sciences
Vitenskapelig artikkel
Yang, Chun; Stovas, Alexei; Wang, Yun; Li, Mengqi; Tian, Yajun. (2023) Dissipation factor and phase velocity approximate formulas for P-waves in fluid-saturated porous media. Waves in Random and Complex Media
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexei; Roganov, V.. (2023) Properties of singular points in a special case of orthorhombic media. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Li, Mengqi; Stovas, Alexei; Lu, Jun. (2023) P-, SV- and SH-wave eikonal approximations for HTI media based on perturbation theory. Geophysical Journal International
Vitenskapelig artikkel
Chen, F.; Zong, Z; Stovas, Alexei; Yin, X. (2023) Wave reflection and transmission coefficients for layered transversely isotropic media with vertical symmetry axis under initial stress . Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexei; Huang, Xingguo. (2022) Umbilic points of slowness surface in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey; Hu, Xiangyun. (2022) Improved generalized moveout approximation with a novel parameterization. Geophysics
Vitenskapelig artikkel
Khoshnavaz, M. Javad; Stovas, Alexey. (2022) NMO stretch in VTI media, presented by non-hyperbolic approximations. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) The S waves geometrical spreading in elliptical orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Pigulevskiy, P.I.; Stovas, Alexey. (2022) Seismic geotraverse "Granit" (Ukrainian part). Reanimation . Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2022) Extension of the kinematic approximations to the multilayered elastic orthorhombic medium. Geophysics
Vitenskapelig artikkel
Li, Mengqi; Stovas, Alexey; Lu, J; Cai, Y; Hu, J. (2022) Inversion of Fracture Weaknesses Based on Linearly Approximated Traveltime. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2022) Perturbation-based moveout approximation in the elastic transversely isotropic media with a vertical symmetry axis. Geophysics
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2022) Location of singular points in orthorhombic media. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Stovas, Alexei; Roganov, Yuriy; Roganov, Vyacheslav. (2022) On singularity points in elastic orthorhombic media. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Huang, Xingguo. (2022) The approximation for relative geometric spreading in the elastic vertical transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) Behavior of S waves in vicinity of singularity point in elliptic orthorhombic media. Geophysics
Vitenskapelig artikkel
Jin, Song; Hu, Xiangyun; Stovas, Alexey. (2022) Feasibility of characterizing an aligned fracture set from azimuthal amplitude variations of PP-and converted waves. Geophysics
Vitenskapelig artikkel
Li, Mengqi; Lu, Jun; Stovas, Alexey; Wang, Yun. (2022) Joint PP, PS1, and PS2 AVA Inversion of HTI Media. IEEE Transactions on Geoscience and Remote Sensing
Vitenskapelig artikkel
Pang, Shuo; Stovas, Alexey; Xing, Huilin. (2022) Analysis of S waves singularity points in porous rock with two orthogonal sets of mesoscale fractures. Geophysical Journal International
Vitenskapelig artikkel
Shuai, Da; Stovas, Alexey; Zhao, Yang; Huang, Xingxing; He, Lingyi. (2022) Frequency-dependent anisotropy due to non-orthogonal sets of mesoscale fractures in porous media. Geophysical Journal International
Vitenskapelig artikkel
Torres Caceres, Veronica Alejandra; Duffaut, Kenneth; Westad, Frank Ove; Stovas, Alexey; Johansen, Yngve Bolstad; Jenssen, Arne Johannes Kaaijk. (2022) Automated Log Data Analytics Workflow - The Value of Data Access and Management to Reduced Turnaround Time for Log Analysis. Petrophysics
Vitenskapelig artikkel
Li, Bowen; Stovas, Alexey. (2022) Decoupling approximation of P- and S-wave phase velocities in orthorhombic media. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi; Takekawa, J. (2021) On-axis triplications in elastic orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Pang, Shuo; Stovas, Alexey; Xing, Huayang. (2021) Frequency-dependent anisotropy in partially saturated porous rock with multiple sets of mesoscale fractures. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexey. (2021) Perturbation in monoclinic medium with a horizontal symmetry plane. Geophysical Journal International
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2021) Reflection and transmission approximations for P, S1 and S2 waves in triclinic media. Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2021) Perturbation-based traveltime approximation for two acoustic assumptions in the transversely isotropic media with a vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2021) Use of perturbation theory in computation of phase velocities and polarization vectors in weakly anisotropic media. Geofizicheskiy zhurnal
Vitenskapelig artikkel
Li, Bowen; Stovas, Alexey. (2021) Decoupled approximation and separate extrapolation of P- and SV-waves in transversely isotropic media. Geophysics
Vitenskapelig artikkel
Shuai, Da; Stovas, Alexey; Wei, Jianxin; Di, Bangrang; Zhao, Yang. (2021) Effective elastic properties of rocks with transversely isotropic background permeated by a set of vertical fracture cluster. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2021) Converted wave triplications in transversely isotropic media with a tilted symmetry axis. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) Perturbation of phase velocities in elastic orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) Pure mode P and S wave equations in elastic orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) A fundamental singularity point in elliptic orthorhombic media. GEOInformatics
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) Shear waves in elliptical orthorhombic media. EAGE Expanded Abstracts
Sammendrag/abstract
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2021) Calculation of wave parameters for weakly anisotropic media. GEOInformatics
Sammendrag/abstract
Zhang, Yi; De Siena, Luca; Stovas, Alexey. (2021) Seismic waveform modeling and inversion with velocity-deviatoric stress-isotropic pressure formulations. EGU General Assembly Conference Abstracts
Sammendrag/abstract
Stovas, Alexey; Shuai, Da. (2021) A vertical fracture cluster embedded into thinly layered medium. EGU General Assembly Conference Abstracts
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) Wave characteristics in elliptical orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey. (2021) On parameterization in monoclinic media with a horizontal symmetry plane. Geophysics
Vitenskapelig artikkel
Zeng, Jing; Stovas, Alexey; Huang, H.; Ren, Lei; Tang, Tao. (2021) Prediction of shale gas reservoirs using fluid mobility attribute driven by post-stack seismic data: A case study from Southern China. Applied Sciences
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Pardo, David; Stovas, Alexey. (2021) Approximations for traveltime, slope, curvature, and geometrical spreading of elastic waves in layered transversely isotropic media. Geophysics
Vitenskapelig artikkel
Zeng, Jing; Stovas, Alexey; Huang, Handong. (2021) Anisotropic attenuation of stratified viscoelastic media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) Geometrical characteristics of phase and group velocity surfaces in anisotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Jin, Song; Stovas, Alexey. (2020) S-wave in 2D acoustic transversely isotropic media with a tilted symmetry axis . Geophysical Prospecting
Vitenskapelig artikkel
Jin, Song; Stovas, Alexey. (2020) Reflection and transmission approximations for monoclinic media with a horizontal symmetry plane . Geophysics
Vitenskapelig artikkel
Pang, Shuo; Stovas, Alexey. (2020) Frequency‐dependent PP and PS reflection coefficients in fractured media . Geophysical Prospecting
Vitenskapelig artikkel
Pang, Shuo; Stovas, Alexey. (2020) Low‐frequency anisotropy in fractured and layered media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2020) Interaction between P, S1 and S2 waves in multilayered periodic monoclinic media at low frequencies. Geophysical Journal International
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2020) Reflection coefficients approximations for orthorhombic media. CPS-SEG Expanded Abstracts
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2020) Traveltime and relative geometrical spreading approximation in elastic orthorhombic medium . Geophysics
Vitenskapelig artikkel
Shuai, Da; Stovas, Alexey; Wej, J; Di, Bangrang. (2020) Frequency-dependent anisotropy due to two orthogonal sets of mesoscale fractures in porous media . Geophysical Journal International
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2020) Reflection and transmission approximations for weak contrast orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, T.; bin Waheed, U. (2020) Pure P and S wave equations in transversely isotropic media . Geophysical Prospecting
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Stovas, Alexey. (2020) A new acoustic assumption for orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2020) Exact and approximate reflection/transmission responses from a layer containing vertical fractures . Geophysical Journal International
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2020) Dispersion of phase velocities in horizontally layered anisotropic weak-contrast periodic medium . Geofizicheskiy zhurnal
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2020) Triplications for the converted wave in transversely isotropic media with a tilted symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Alkhalifah, Tariq; Mikada, Hitoshi. (2020) New acoustic approximation for transversely isotropic media with a vertical symmetry axis. Geophysics
Vitenskapelig artikkel
Carter, Andrew James; Torres Caceres, Veronica Alejandra; Duffaut, Kenneth; Stovas, Alexey. (2020) Velocity-attenuation model from check-shot drift trends in North Sea well data. Geophysics
Vitenskapelig artikkel
Shuai, Da; Stovas, Alexey. (2020) Low-frequency layer-induced kinematic parameters in transversely isotropic media and orthorhombic media . Geophysical Journal International
Vitenskapelig artikkel
Shuai, Da; Wei, Jianxin; Di, Bangrang; Guo, Junxin; Li, Dongqing; Gong, Fei. (2020) Experimental study of crack density’s influence on the accuracy of effective media theory . Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2019) Generalized velocity approximation. Geophysics
Vitenskapelig artikkel
Jin, Song; Stovas, Alexey. (2019) Comparisons of moveout approximations and inversions for P- and S-waves in acoustic transversely isotropic media with a vertical symmetry axis. Journal of Applied Geophysics
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Riahi, Mohammad; Stovas, Alexey. (2019) Three-parameter Radon transform in layered transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2019) Estimation of the conversion point position in elastic orthorhombic media. Geophysics
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Stovas, Alexey; Ivanov, Yuriy. (2019) Acoustic wave propagation in orthorhombic media: Phase velocity, group velocity, and moveout approximations. Geophysics
Vitenskapelig artikkel
Jin, Song; Stovas, Alexey. (2019) Reflection and transmission responses in a layered transversely isotropic medium with horizontal symmetry axis . Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2019) Traveltime approximation for converted waves in elastic orthorhombic media . Geophysics
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2019) Properties of acoustic axes in triclinic media . Geofizicheskiy zhurnal
Vitenskapelig artikkel
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey. (2019) Effects of lateral heterogeneity on reflection and diffraction traveltimes . Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2019) The kinematics of S waves in acoustic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey; Kazei, Vladimir. (2019) Normal modes in orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Riahi, Mohammad; Stovas, Alexey. (2019) Three-parameter normal moveout correction in layered anisotropic media: A stretch-free approach. Geophysics
Vitenskapelig artikkel
Jin, Song; Stovas, Alexey. (2019) Reflection and transmission responses for layered transversely isotropic media with vertical and horizontal symmetry axes. Geophysics
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2019) Low-frequency layer-induced dispersion in a weak-contrast vertically heterogeneous orthorhombic medium. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2019) 3D mapping of kinematic attributes in anisotropic media. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2019) Singularity point in effective orthorhombic medium computed from zero- and infinite-frequency limit. Geophysical Journal International
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Stovas, Alexey. (2019) A new parameterization for generalized moveout approximation, based on three rays. Geophysical Prospecting
Vitenskapelig artikkel
Abedi, Mohammad Mahdi; Stovas, Alexey. (2019) Extended generalized non-hyperbolic moveout approximation. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2019) Interaction between P, S1 and S2 waves in multi-layered ORT media at low frequencies. SEG technical program expanded abstracts
Vitenskapelig artikkel
Stovas, Alexey. (2018) Geometrical spreading in orthorhombic media. Geophysics
Vitenskapelig artikkel
Song, Jin; Stovas, Alexey. (2018) S-wave kinematics in acoustic transversely isotropic media with a vertical symmetry axis . Geophysical Prospecting
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2018) Triplications on traveltime surface for pure and converted wave modes in elastic orthorhombic media . Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2018) Freznel zone in VTI and orthorhombic media. Geophysical Journal International
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Sripanich, Yanadet. (2018) An anelliptic approximation for geometrical spreading in transversely isotropic and orthorhombic media . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2018) Approximate reflection coefficients for a thin VTI layer. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2018) Generalized nonhyperbolic approximations for relative geometrical spreading in layered anisotropic media . Geophysical Prospecting
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey. (2017) Preserved travel-time smoothing in orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Traveltime parameters in tilted orthorhombic medium. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Hao, Qi. (2017) Perturbation-based moveout approximations in anisotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey. (2017) Effect of lateral heterogeneity on reflection traveltimes. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) A new parameterization for acoustic orthorhombic media. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Traveltime parameters in tilted orthorhombic medium. SEG technical program expanded abstracts
Sammendrag/abstract
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey; Hao, Qi. (2017) 3D generalized nonhyperboloidal moveout approximation. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Mapping of geometrical spreading in anisotropic media. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey; Sripanich, Yanadet. (2017) An anelliptic approximation for geometrical spreading in transversely isotropic and orthorhombic media. SEG technical program expanded abstracts
Sammendrag/abstract
Stovas, Alexey. (2017) Geometrical spreading of P wave in acoustic ORT media. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) Perturbation-based approximation for traveltime in orthorhombic media using a new parameterization. SEG technical program expanded abstracts
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2017) Three-dimensional generalized non-hyperbolic approximation for relative geometrical spreading. Geophysical Journal International
Vitenskapelig artikkel
Stovas, Alexey. (2017) Kinematic parameters of pure- and converted-mode waves in elastic orthorhombic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) Weak-anisotropy approximation for P-wave reflection coefficient at the boundary between two tilted transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
bin Waheed, Umair; Stovas, Alexey; Alkhalifah, Tariq. (2017) Anisotropy parameter inversion in vertical axis of symmetry media using diffractions. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2017) S-wave singularities in tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2017) The modified generalized moveout approximation: a new parameter selection. Geophysical Prospecting
Vitenskapelig artikkel
Masmoudi, Nabil; Stovas, Alexey; Alkhalifah, Tariq. (2017) Scanning anisotropy parameters in horizontal transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2016) Normal moveout velocity ellipse inversion in tilted orthorhombic media. SEG technical program expanded abstracts
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Hao, Qi. (2016) New moveout approximation for orthorhombic model. SEG technical program expanded abstracts
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2016) Down- and up-going waves in tilted orthorhombic media in zero-frequency limit. SEG technical program expanded abstracts
Vitenskapelig artikkel
Sripanich, Yanadet; Fomel, Sergey; Stovas, Alexey; Hao, Qi. (2016) 3D generalized nonhyperboloidal moveout approximation. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexei. (2016) Generalized moveout approximation for P–SV converted waves in vertically inhomogeneous transversely isotropic media with a vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexei. (2016) Normal moveout velocity ellipse in tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexei; Masmoudi, Nabil; Alkhalifah, Tariq. (2016) Application of perturbation theory to a P-wave eikonal equation in orthorhombic media. Geophysics
Vitenskapelig artikkel
Stovas, Alexei. (2016) Vertical on-axis triplications in orthorhombic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Dupuy, Bastien; Stovas, Alexey. (2016) Effect of anelastic patchy saturated sand layers on the reflection and transmission responses of a periodically layered medium. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2016) Mapping of moveout attributes using local slopes. Geophysical Prospecting
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2016) P-wave slowness surface approximation for tilted orthorhombic media . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2016) The offset-midpoint traveltime pyramid of P-waves in homogeneous orthorhombic media . Geophysics
Vitenskapelig artikkel
Dupuy, Bastien; Garambois, Stéphane; Asnaashari, Amir; Balhareth, Hadi Mohammed; Landrø, Martin; Stovas, Alexey. (2016) Estimation of rock physics properties from seismic attributes - Part 2: Applications. Geophysics
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Alkhalifah, Tariq. (2016) Estimation of the anisotropy parameters from imaging moveout of diving wave in a factorized anisotropic medium. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2016) Reflected waves in finely layered tilted orthorhombic media . Studia Geophysica et Geodaetica
Vitenskapelig artikkel
Dupuy, Bastien; Garambois, Stephane; Asnaashari, Amir; Balhareth, Hadi M; Landrø, Martin; Stovas, Alexey. (2015) Estimation of rock physics properties from seismic attributes - Part 2: Applications. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2015) Upscaling for orthorhombic media. SEG technical program expanded abstracts
Vitenskapelig artikkel
Xu, Shibo; Stovas, Alexey; Alkhalifah, Tariq. (2015) Estimation of the anisotropy parameters from imaging moveout of diving wave in a factorized anisotropic medium. Geophysics
Vitenskapelig artikkel
Dupuy, Bastien; Balhareth, Hadi Mohammed; Landrø, Martin; Garambois, Stéphane; Stovas, Alexey; Asnaashari, Amir. (2015) Inversion of rock physics properties from seismic attributes using a downscaling method. Third EAGE workshop on rock physics
Sammendrag/abstract
Xu, Shibo; Stovas, Alexey. (2015) Curvature and anisotropy estimation through the CRS approximation . Journal of Geophysics and Engineering
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2015) The offset-midpoint traveltime pyramid in 3D transversely isotropic media with a horizontal symmetry axis. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Masmoudi, Nabil; Alkhalifah, Tariq. (2015) Parameter inversion in HTI media. FWI Workshop
Sammendrag/abstract
Stovas, Alexey. (2015) Azimuthally dependent kinematic properties of orthorhombic media. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) P-wave slowness surface approximation for tilted orthorhombic media. Geophysics
Vitenskapelig artikkel
Ivanov, Yuriy; Stovas, Alexey. (2015) Upscaling in orthorhombic media: Behavior of elastic parameters in heterogeneous fractured earth . Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) The offset-midpoint travel-time pyramid for P-wave in 2D transversely isotropic media with a tilted symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey. (2015) Analytic calculation of phase and group velocities of P-waves in orthorhombic media. Geophysics
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey. (2014) Low-frequency normal wave propagation in a periodically layered medium with weak-contrast in elastic properties. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Hao, Qi. (2014) Plane wave in vertically heterogeneous anisotropic media. CPS-SEG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Three-dimensional generalized nonhyperbolic moveout approximation - 3D HTI model test. CPS-SEG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Alkhalifah, Tariq. (2014) Mapping of moveout approximations in TI media. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy. (2014) Upscaling for multilayered transversely isotropic media with a tilt in symmetry axis. IAMG Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy. (2014) Upscaling in TTI media. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Generalized moveout approximation for phase velocity in orthorhombic media. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Dupuy, Bastien. (2014) Reflection and transmission responses of a periodic layered medium constituted by shales and patchy saturated sands. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Alkhalifah, Tariq. (2014) Analytical approximations of diving wave imaging in factorized medium. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Fomel, Sergey. (2014) Mapping of moveout attributes using local slopes. IWSA Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Ayzenberg, Alena; Zyatkov, N; Ayzenberg, Arkady. (2014) The feasible near-front wavefield below salt overhang in terms of cascade diffraction. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Ayzenberg, Alena. (2014) Tip-wave diffraction. EAGE/SPE workshop
Sammendrag/abstract
Stovas, Alexey; Roganov, Yuriy. (2014) Zero-frequency upscaling in TTI media. Geoinformatika
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Three-dimensional GMA - 3D HTI model test. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Generalized group- and phase-domains moveout approximations for converted-wave in a homogeneous VTI layer. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Hao, Qi. (2014) Conversion point approximation. EAGE Expanded Abstracts
Sammendrag/abstract
Stovas, Alexey; Dupuy, Bastien; Balhareth, Hadi Mohammed; Landrø, Martin. (2014) Estimation of reservoir properties and gas saturation from shallow time-lapse FWI data for an old underground blowout. EAGE Expanded Abstracts
Sammendrag/abstract
Dupuy, Bastien; Stovas, Alexey. (2014) Influence of frequency and saturation on AVO attributes for patchy saturated rocks. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Hao, Qi. (2014) P-wave diffraction and reflection traveltimes for ahomogeneous 3D DTI model. Journal of Seismic Exploration
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexey; Roganov, V.. (2014) ANALYSIS OF PASS AND STOP BANDS IN A PERIODICALLY LAYERED MEDIUM. АНАЛИЗ ЗОН ПРОХОЖДЕНИЯ И ПОГЛОЩЕНИЯ В ПЕРИОДИЧЕСКОЙ СЛОИСТОЙ СРЕДЕ. Tekhnologii Seismorazvedki
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, Tariq. (2014) Analytical approximations of diving wave imaging inconstant gradient medium. Geophysics
Vitenskapelig artikkel
Hao, Qi; Stovas, Alexey; Alkhalifah, Tariq. (2014) The offset-midpoint traveltime pyramid in 3D transversely isotropic media with a horizontal symmetry axis. Geophysics
Vitenskapelig artikkel
Golikov, Pavel; Avseth, P; Stovas, Alexey; Bachrach, R. (2013) Rock physics interpretation of heterogeneous and anisotropic turbidite reservoirs. Geophysical Prospecting
Vitenskapelig artikkel
bin Waheed, U; Alkhalifah, T; Stovas, Alexey. (2013) Diffraction traveltime approximation for TI media with an inhomogeneous background. Geophysics
Vitenskapelig artikkel
Pigulevskiy, P.; Nikitash, L.; Stovas, Alexey. (2013) On the role of potential methods to study the salt and reef structures in the Dnieper-Donets basin. Vìsnik. Geologìâ
Vitenskapelig artikkel
Vinje, V; Stovas, Alexey; Reynaud, D. (2013) Preserved-traveltime smoothing. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy; Duffaut, Kenneth; Carter, Andrew J.. (2013) Low-frequency layer-induced anisotropy. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Yuriy. (2013) Low frequency velocity dispersion and reflection coefficient in a periodical weak-contrast medium. Zbìrnik naukovih pracʹ Ukraïnsʹkogo deržavnogo geologorozvìduvalʹnogo ìnstitutu
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, Tariq. (2013) Mapping of moveout in tilted transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, T. (2013) A tilted transversely isotropic slowness surface approximation. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2012) Shifted hyperbola moveout approximation revisited. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Fomel, Sergey. (2012) Generalized nonelliptic moveout approximation in tau-rho domain. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, T.. (2012) A new traveltime approximation for TI media. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Accuracy comparison of nonhyperbolic moveout approximations for qP-waves in VTI media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Roganov, Yuriy; Stovas, Alexey. (2012) Low-frequency wave propagation in periodically layered media. Geophysical Prospecting
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime parameters in tilted transversely isotropic media. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime parameters in a tilted elliptical anisotropic medium. Geophysical Prospecting
Vitenskapelig artikkel
Roganov, Y; Stovas, Alexey. (2011) Caustics in a periodically layered transversely isotropic medium with vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey. (2011) Unconstrained direct Dix-type inversion in a layered VTI medium. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Stovas, Alexey; Alkhalifah, T.. (2011) The TTI slowness surface approximation. Society of Exploration Geophysicists. Expanded Abstracts with Biographies
Vitenskapelig artikkel
Stovas, Alexey. (2011) The unphysical qP-wave caustics in acoustic VTI media. Tekhnologii Seismorazvedki
Vitenskapelig artikkel
Stovas, Alexey. (2010) Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Roganov, Y.; Stovas, Alexey. (2010) On shear-wave triplications in a multilayered transversely isotropic medium with vertical symmetry axis. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey. (2010) Kinematical characteristics of the factorized velocity model. Geophysical Prospecting
Vitenskapelig artikkel
Fomel, Sergey; Stovas, Alexey. (2010) Generalized nonhyperbolic moveout approximation. Geophysics
Vitenskapelig artikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2010) New weak-contrast approximation for reflection coefficients in transversely isotropic media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Skopintseva, Lyubov; Stovas, Alexey. (2010) Overburden dependent AVA inversion. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Y. (2010) Scattering versus intrinsic attenuation in periodically layered media. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Stovas, Alexey. (2009) Power-gradient velocity model. Geophysics
Vitenskapelig artikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2009) Correspondence between the low- and high-frequency limits for anisotropic parameters in a layered medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Roganov, Y. (2009) Slowness surface approximations for qSV-waves in transversely isotropic media. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2009) Improved geometric-spreading approximation in layered transversely isotropic media. Geophysics
Vitenskapelig artikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2009) Comparison of averaging methods for velocity model building from well logs. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Stovas, Alexey. (2008) Kinematically equivalent velocity distributions. Geophysics
Vitenskapelig artikkel
Stovas, Alexey. (2007) Phase velocity approximation in finely layered sediments. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2007) Equivalent time-average and effective medium for periodic layers. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Janbu, N.. (2007) Seismic attributes from ultra-thin layered reservoir. Oil & Gas Science and Technology
Vitenskapelig artikkel
Tygel, Martin; Ursin, Bjørn; Stovas, Alexey. (2007) Convergence of traveltime power series for a layered VTI medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2007) Estimation of layer parameters for linear P- and S-wave velocity functions. Geophysics
Vitenskapelig artikkel
Haugen, Jon Andre; Ursin, Bjørn; Stovas, Alexey. (2007) Sensitivity of Dix-type inverse formulae. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Pedersen, Ørjan; Ursin, Bjørn; Stovas, Alexey. (2007) Wide-angle phase-slowness approximations in VTI media. Geophysics
Vitenskapelig artikkel
Mittet, Rune; Aakervik, Odd; Jensen, Hans; Ellingsrud, Svein; Stovas, Alexey. (2007) On the orientation and absolute phase of marine CSEM receivers. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2006) Parameter estimation for a linear velocity function. Russian Geology and Geophysics
Vitenskapelig artikkel
Sinding-Larsen, Richard; Stovas, Alexey; Landrø, Martin; Brandsegg, Kristian Bjarnøe; Johnsen, Sverre Ola; Lippard, Stephen John. (2006) A Novel Workflow for 3D Integration of Geological and Geophysical Heterogeneity Signatures at Reservoir Scale. Proceedings International Association for Mathematical Geology Annual Conference
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Avseth, Per. (2006) AVO attribute inversion for finely layered reservoirs. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin; Arntsen, Børge. (2006) A sensitivity study based on 2D synthetic data from the Gullfaks Field, using PP and PS time-lapse stacks for fluid-pressure discrimination. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Ursin, Bjørn; Stovas, Alexey. (2006) Traveltime approximations for a layered transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Røste, Thomas; Stovas, Alexey; Landrø, Martin. (2006) Estimation of layer thickness and velocity changes using 4D prestack seismic data. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Arntsen, Børge. (2006) Vertical propagation of low-frequency waves in finely layered media. Geophysics
Vitenskapelig artikkel
Janbu, Nils Erik; Stovas, Alexey; Sinding-Larsen, Richard; Landrø, Martin; Lippard, Stephen John; Johnsen, Sverre Ola. (2005) A novel workflow for the integration of geological and geophysical heterogeneity signatures at the reservoir scale. NGF abstracts and proceedings
Sammendrag/abstract
Ursin, Bjørn; Stovas, Alexey. (2005) Generalized Dix equations for layered transversely isotropic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin. (2005) Fluid-pressure discrimination in anisotropic reservoir rocks - A sensitivity study. Geophysics
Vitenskapelig artikkel
Stovas, Alexey; Landrø, Martin. (2004) Optimal use of PP and PS time-lapse stacks for fluid-pressure discrimination. Geophysical Prospecting
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2004) New travel-time approximations for a transversely isotropic medium. Journal of Geophysics and Engineering
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2003) Reflection and transmission responses of layered transversely isotropic visco-elastic media. Geophysical Prospecting
Vitenskapelig artikkel
Ursin, Bjørn; Stovas, Alexey. (2002) Reflection and transmission responses of a layered isotropic visco-elastic medium. Geophysics
Vitenskapelig artikkel
Stovas, Alexey. (2002) Integral dip moveout operator for transversely isotropic media - the hyperbolic case. Journal of Seismic Exploration
Vitenskapelig artikkel
Stovas, Alexey; Ursin, Bjørn. (2001) Second-order approximations of the reflection and transmission coefficients between two visco-elastic isotropic media. Journal of Seismic Exploration
Vitenskapelig artikkel

Bøker

Janbu, Nils Erik; Stovas, Alexey; Sinding-Larsen, Richard; Landrø, Martin; Lippard, Stephen John; Mørk, Mai Britt Engeness. (2005) Integrating geology and geophysics in subseismic reservoir description - How to uise digital sediment characterization to constrain plausible subsesimic reservoir scenarios. Norsk geologisk forening
Vitenskapelig antologi/Konferanseserie

Del av bok/rapport

Torres Caceres, Veronica Alejandra; Carter, Andrew James; Duffaut, Kenneth; Stovas, Alexey. (2018) An Attenuation Model from Dispersion Trends in North Sea Well Data. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Subagjo, Isa Adi; Dupuy, Bastien; Park, Joonsang; Romdhane, Mohamed Anouar; Querendez, Etor; Stovas, Alexey. (2018) Joint Rock Physics Inversion of Seismic and Electromagnetic Data for CO2 Monitoring at Sleipner. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Torres Caceres, Veronica Alejandra; Dupuy, Bastien; Stovas, Alexey. (2017) Tuning and Partial Saturation Effects on Reflection Responses at Sleipner Field. Society of Petroleum Engineers
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Ayzenberg, Alena; Zyatkov, N; Stovas, Alexey; Aizenberg, A. M.. (2014) Sub-salt Illumination by the Feasible Green's Function of Covering Sediments. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Ayzenberg, Alena; Zyatkov, N; Stovas, Alexey; Aizenberg, A. M.. (2014) The Feasible Near-front Wavefield Below Salt Overhang in Terms of Cascade Diffraction. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Dupuy, Bastien; Stovas, Alexey. (2014) Reflection and Transmission Responses of a Periodic Layered Medium Constituted by Shales and Patchy Saturated Sands. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Hao, Qi; Stovas, Alexey. (2014) Generalized Group- and Phase-domains Moveout Approximations for Converted-wave in a Horizontal and Homogeneous VTI Layer. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Hao, Qi; Stovas, Alexey. (2014) Three Dimensional Generalized Nonhyperbolic Moveout Approximation - Application on a 3D HTI Model. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Dupuy, Bastien. (2013) Wave attenuation and dispersion in patchy saturated oil and gas reservoirs: influence of frequency and saturation on AVO attributes. American Society of Civil Engineers (ASCE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Alkhalifah, T.. (2012) Mapping of Moveout in a TTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Asymptotical Comparison of Non-hyperbolic Moveout Approximations in a VTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2012) Hamiltonian Formalism for the Plane Waves Propagating in Periodically Layered Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2012) Traveltime Parameters for Vertically Heterogeneous 2D TTI Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2011) Traveltime Parameters in a Tilted Elliptical Anisotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2011) Low-frequency Wave Propagation in Periodically Layered Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Vinje, Vetle; Stovas, Alexey; Reynaud, D.. (2011) Preserved-traveltime Smoothing. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Alkhalifah, T.. (2011) A New Traveltime Approximation for TI Media. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Roganov, Yury. (2011) Acoustic Waves in Layered Media - From Theory to Seismic Applications. IntechOpen
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2010) Caustics in a Periodically Layered VTI Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2010) qP-wave Triplications in an Acoustic Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Golikov, Pavel Evgenjevich; Stovas, Alexey. (2010) New Parametrization for qPqP and qPqSV Reflection Coefficients in a Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2009) Direct Dix-type inversion in a layerd VTI medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Skopintseva, Lyubov; Stovas, Alexey. (2009) Effect of the Model Dependent Velocity Analysis on the Results of AVO Inversion. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2009) Kinematically Equivalent Factorized Models. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.; Stovas, Alexey. (2009) SV-waves triplications in the multilayered VTI media. European Association of Geoscientists and Engineers (EAGE)
Annet
Stovas, Alexey; Roganov, Y.. (2008) Attenuation versus scattering in a periodically layerd medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Skopintseva, Lyubov; Stovas, Alexey. (2008) Overburden-dependent AVO interpretation.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2008) Comparison of Average Methods to Build a Velocity Model from Sonic Log. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2008) Kinematical characteristics of the factorized model.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2008) Improved Geometrical Spreading Approximation in Layered Transversely Isotropic Media (P072). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Roganov, Y.V.; Stovas, Alexey. (2008) Quasi-acoustic Approximations for qSV-waves in a Transversely Isotropic Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2007) The Reflection and Transmission Responces of a Periodically Layered Medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2007) Kinematically equivalent velocity ditributions.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Fomel, S.B.; Stovas, Alexey. (2007) Generalized Non-Hyperbolic Moveout Approximation. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The Low and High Frequency Limits for Anisotropic Parameters in a Layered Medium. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2007) The Geometrical Spreading in VTI Medium Revisited. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2007) 4D Detection of Gas Coning. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The low and high frequency limits for anisotropic parameters in layered medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Sinding-Larsen, Richard; Stovas, Alexey; Landrø, Martin; Brandsegg, Kristian Bjarnøe; Johnsen, Sverre Ola; Lippard, Stephen John. (2006) A Novel Workflow for 3D Integration of Geological and Geophysical Heterogeneity Signatures at Reservoir Scale.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Arntsen, Børge. (2006) Phase velocity approximation in the finely layered sediments.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2006) Parameter Estimation for Linear Velocity Functions (P158). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Pedersen, Ørjan; Ursin, Bjørn; Stovas, Alexey. (2006) Wide-Angle Phase-Slowness Approximations in VTI Media (P186). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey. (2006) Phase Velocity Approximation in a finaly Layered Medium (P037). European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2006) Uncertainty in discrimination between net-to-gross and water saturation for fine-layered reservoirs.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2006) Seismic modelling from ultra-thin layered reservoirs. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Røste, Thomas; Stovas, Alexey; Landrø, Martin. (2005) Estimation of layer thickness and velocity changes using 4D prestack seismic data. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Landrø, Martin. (2005) Effect of anisotropy and anelasticity on net-to-gross and fluid saturation estimation. European Association of Geoscientists and Engineers (EAGE)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Stovas, Alexey; Ursin, Bjørn. (2005) The reflection and transmission responses of a periodic layered medium.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Rapport

Yu, Jiaxin; Stovas, Alexei. (2024) Understanding the impact of stress release on sandstone using sound waves: rock physics, applications and code. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2024/100)
Doktorgradsavhandling
Song, Jin; Stovas, Alexey. (2020) Processing of S-wave data in orthorhombic media . Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2020:296)
Doktorgradsavhandling
Torres Caceres, Veronica Alejandra; Stovas, Alexey; Dupuy, Bastien. (2017) Seismic Wave Attenuation in Partially Saturated Sandstone and AVO Analysis for Carbon Dioxide Quantification at Sleipner. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Mastergradsoppgave
Ayzenberg, Alena; Stovas, Alexey. (2015) Transmission-Propagation Operator Theory and Tip-Wave Superposition Method for sub-salt shadow wavefield description. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (266)
Doktorgradsavhandling
Golikov, Pavel; Stovas, Alexey. (2012) Traveltimes for tilted TI media. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2012/311)
Doktorgradsavhandling

Undervisning

Emner

Formidling

2024

Vitenskapelig foredrag

Stovas, Alexei. (2024) Singularity lines for monoclinic media with a horizontal symmetry plane. EGU EGU Annual meeting , Wien 2024-04-14 - 2024-04-19
Vitenskapelig foredrag

Stovas, Alexei. (2024) Gaussian curvature of the slowness surfaces in anisotropic media. Minisymposium on Rock Physics , Lausanne 2024-03-04 - 2024-03-06
Vitenskapelig foredrag

Martinez, R.; Vinje, Vetle; Stovas, Alexei; Ringrose, Philip; Mispel, J.; Landrø, Martin. (2024) CO2 plume imaging on Sleipner using Full-waveform Inversion. Biennial Geophysical Seminar 2024-03-13 - 2024-03-15
Vitenskapelig foredrag

Stovas, Alexei; Roganov, Y.; Roganov, V.. (2024) Group velocity image of singularity points in anisotropic media. EAGE EAGE annual meeting , Oslo 2024-06-09 - 2024-06-14
Vitenskapelig foredrag

Martinez, R.; Vinje, Vetle; Stovas, Alexei; Ringrose, Philip; Mispel, J.; Landrø, Martin. (2024) Imaging of the CO2 plume on Sleipner using full-waveform inversion. EAGE EAGE annual meeting , Oslo 2024-06-09 - 2024-06-14
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexei. (2024) Analyzing Properties of Seafloor Multiple Diving Waves. EAGE EAGE annual meeting , Oslo 2024-06-09 - 2024-06-14
Vitenskapelig foredrag

Park, Sea-Eun; Stovas, Alexei; Ji, Hyeong-Geun; Oh, Ju-Won. (2024) Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner field. SEG SEG annual meeting , Houston 2024-08-26 - 2024-08-29
Vitenskapelig foredrag

Stovas, Alexei. (2024) Sensitivity of anomalies associated with singularity points to fracture weaknesses for VFTI media . SEG SEG Workshop on Oil and Gas Exploration , Chengdu 2024-11-19 - 2024-11-24
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexei. (2024) Computing Residual in Diving Wave Imaging Point in Acoustic Factorized Orthorhombic Anisotropic Media . AGU AGU konferanse , Washington 2024-11-18 - 2024-11-22
Vitenskapelig foredrag

Stovas, Alexei. (2024) Effect of singularity point in multi-layered anisotropic media. Workshop i Tunisia , Tunis 2024-11-25 - 2024-11-29
Vitenskapelig foredrag

Park, Sea-Eun; Park, J.; Vöge, Malte; Stovas, Alexei; Oh, Jiwon. (2024) Joint interpretation of seismic and electromagnetic data for CO2 monitoring using 3D FWI and 2D CSEM inversion techniques: Sleipner CCS site in Norway . GHGT-17 , Calgary 2024-10-20 - 2024-10-24

2023

Vitenskapelig foredrag

Martinez, R.; Vinje, V; Stovas, Alexei; Ringrose, P; Duffaut, K; Landrø, Martin. (2023) Diving-wave time-lapse delay for CO2 thin layer detection. Lofoten Seminar 2023-08-21 - 2023-08-23
Vitenskapelig foredrag

Stovas, Alexei; Roganov, Y.; Roganov, V.. (2023) Towards classification of orthorhombic models . Minisymposium on Rock Physics 2023-02-05 - 2023-02-08
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexei. (2023) Imaging Moveout Approximations for 3D Factorized Elliptical Anisotropic Media. EAGE EAGE , Wien 2023-06-05 - 2023-06-09
Vitenskapelig foredrag

Stovas, Alexei. (2023) On singularity point in-between the symmetry planes in elastic orthorhombic media . EGU EGU Annual meeting , Wien 2023-05-25 - 2023-05-29
Vitenskapelig foredrag

Tian, Y.; Stovas, Alexei; Gao, J.; Yu, J.; Li, M.. (2023) Frequency-dependent AVO inversion via deep neural network and application on tight reservoir parameters prediction. EAGE EAGE , Wien 2023-06-05 - 2023-06-09
Vitenskapelig foredrag

Stovas, Alexei. (2023) The d-classification of orthorhombic media. Lofoten Seminar 2023-08-21 - 2023-08-23
Vitenskapelig foredrag

Stovas, Alexei; Roganov, Y.; Roganov, V.. (2023) The group velocity images of singularities in orthorhombic media. EAGE , Milan 2023-09-02 - 2023-09-06
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexei. (2023) Multiple diving waves. Lofoten Seminar 2023-08-21 - 2023-08-23
Vitenskapelig foredrag

Martinez Guzman, Ricardo Jose; Duffaut, Kenneth; Ringrose, Philip; Stovas, Alexei; Landrø, Martin. (2023) Diving-wave time-lapse analysis for CO2 multi-layer detection. European Association of Geoscientists & Engineers 84th EAGE Annual Conference & Exhibition , Vienna 2023-06-10 - 2023-06-13

2022

Vitenskapelig foredrag

Stovas, Alexey. (2022) On singularity point for acoustic orthorhombic model. EGU annual konferanse 2022-05-25 - 2022-05-29
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2022) Umbilic point in anisotropic media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) Internal refraction cone for singularity points in symmetry planes of elastic orthorhombic media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) On singularity points in elastic orthorhombic media. SEG 2022-09-01 - 2022-09-05
Vitenskapelig foredrag

Li, Mengqi; Stovas, Alexey. (2022) First break traveltime linear approximation and inversion for fracture weaknesses in elastic homogeneous HTI media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Tian, Yayun; Stovas, Alexey; Gao, J; Yu, J; Li, Mengqi. (2022) Gas saturation characterization of tight sandstone via AVO attributes. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Stovas, Alexey. (2022) Singularity directions for elastic orthorhombic media. Lofoten Seminar 2022-02-01 - 2022-02-03
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexey. (2022) Diving waves in acoustic orthorhombic media. Lofoten Seminar 2022-02-01 - 2022-02-03
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexey. (2022) Diving waves in orthorhombic media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2022) New perturbation-based traveltime approximation for elastic VTI media. SEG 2022-09-01 - 2022-09-05
Vitenskapelig foredrag

Galtung, Kristoffer Tesdal; Stovas, Alexey. (2022) Diving waves in factorized orthorhombic media. IWSA 2022-06-21 - 2022-06-26
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2022) The degenerate elastic orthorhombic models. IWSA 2022-06-21 - 2022-06-26
Vitenskapelig foredrag

Li, Mengqi; Stovas, Alexey. (2022) On perturbation of eikonal equation in HTI models. IWSA 2022-06-21 - 2022-06-26
Vitenskapelig foredrag

Zhang, Yi; De Siena, Luca; Kaus, B.J.P.; Stovas, Alexey. (2022) Pure qP-wave simulation in anisotropic media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Abedi, Mohammad Mahdi; Pardo, David; Stovas, Alexey. (2022) Direct approximation of traveltime derivatives for geometric spreading calculation in layered VTI media. EAGE 2022-06-05 - 2022-06-09
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2022) The perturbation-based relative geometrical spreading in the elastic VTI medium. EAGE 2022-06-05 - 2022-06-09

2021

Vitenskapelig foredrag

bin Waheed, Umair; Alkhalifah, Tariq; Haghighat, Friborz; Stovas, Alexey; Virieux, Jean. (2021) Traveltime computation for qSV waves in TI media using physics-informed neural networks. EAGE , Amsterdam 2021-10-17 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2021) On-axis triplications in elastic orthorhombic medium. EAGE , Amsterdam 2021-10-17 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2021) Perturbation-based traveltime approximation from two acoustic VTI assumptions. SEG , Denver 2021-09-26 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2021) Converted wave traveltime approximation in elastic orthorhombic medium. EAGE , Amsterdam 2021-10-17 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2021) S waves behaviour in vicinity of the singularity point in EORT model. SEG , Denver 2021-09-26 -
Vitenskapelig foredrag

Cui, X; Huang, H.; Stovas, Alexey. (2021) A pre-stack inversion method based on Bayesian parameter relation constrained. EAGE , Amsterdam 2021-10-17 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2021) Extension of the kinematic approximations to the multilayered elastic orthorhombic medium. SEG , Denver 2021-09-26 -

2020

Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2020) Converted wave traveltime approximation in elastic orthorhombic media . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Zeng, Jing; Stovas, Alexey. (2020) Anisotropic attenuation in stratified viscoelastic media. EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Stovas, Alexey; Alkhalifah, T.; bin Waheed, U.. (2020) Pure P- and S-wave equations in anisotropic media . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Y.; Roganov, V.. (2020) Anisotropy parameters for monoclinic media . EAGE Geoinformatics , Kiev 2020-05-23 - 2020-05-25
Vitenskapelig foredrag

Roganov, Y.; Stovas, Alexey; Roganov, V.. (2020) Estimation of low frequency phase velocity dispersion in weak contrast periodic media . EAGE Geoinformatics , Kiev 2020-05-23 - 2020-05-25
Vitenskapelig foredrag

Stovas, Alexey; Song, Jin. (2020) Amplitude signatures of fractured media. EGU EGU annual symposium , Vienna 2020-05-15 - 2020-05-18
Vitenskapelig foredrag

Song, Jin; Stovas, Alexey. (2020) Azimuthal amplitude variations induced by a set of tilted fractures embedded in transversely isotropic media with a vertical symmetry axis . IWSA , Loucen 2020-06-12 - 2020-06-15
Vitenskapelig foredrag

Stovas, Alexey. (2020) On parameterization in monoclinic medium with a horizontal symmetry plane . SEG SEG , Houston 2020-10-12 - 2020-10-15
Vitenskapelig foredrag

Song, Jin; Stovas, Alexey. (2020) Reflection and transmission coefficient approximations for arbitrarily anisotropic media . SEG SEG , Houston 2020-10-12 - 2020-10-15
Vitenskapelig foredrag

Shuai, Da; Wei, J; Di, Bangrang; Stovas, Alexey. (2020) Low-frequency layer-induced kinematic parameters in VTI and ORT layers . SEG SEG Rock Physics Workshop , Qingdao 2020-02-20 - 2020-02-22
Vitenskapelig foredrag

Song, Jin; Stovas, Alexey. (2020) Exact and approximate reflection coefficients for a vertically fractured layer . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Li, Bowen; Stovas, Alexey. (2020) An optimized acoustic approximation and simulation for P-wave in the transversely isotropic media . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Abedi, Mohammad Mahdi; Stovas, Alexey. (2020) A new acoustic assumption that mitigates the S-waves artifacts in orthorhombic media . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2020) On-axis triplications in elastic orthorhombic media . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Mikada, Hitoshi. (2020) Traveltime and relative geometrical spreading approximation in elastic orthorhombic medium . EAGE EAGE , Amsterdam 2020-12-05 - 2020-12-08
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey; Alkhalifah, T.; Mikada, Hitoshi. (2020) A new S-wave free acoustic approximation for the transversely isotropic media with a vertical symmetry axis . SEG SEG , Houston 2020-10-12 - 2020-10-15
Vitenskapelig foredrag

Stovas, Alexey. (2020) New acoustic approximation in anisotropic media. IWSA , Loucen 2020-06-12 - 2020-06-15
Vitenskapelig foredrag

Caceres, Veronica; Duffaut, Kenneth; Stovas, Alexey; Westad, Frank O.; Johansen, Yngve Bolstad. (2020) Automation of depth matching using a structured well-log database: Prototype well example in the North Sea. Society of Exploration Geophysicists (SEG) Konferanse , Virtual event 2020-10-11 - 2020-11-16

2019

Vitenskapelig foredrag

Jin, Song; Stovas, Alexey. (2019) Reflection and transmission responses in a layered transversely isotropic medium with horizontal symmetry axis . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2019) 3D generalized nonhyperbolic approximation for relative geometrical spreading . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2019) Enhancement factor in anisotropic media . Geoinformatics 2019-05-09 -
Vitenskapelig foredrag

Pang, Shuo; Stovas, Alexey. (2019) Low‐frequency anisotropy in fractured and layered model. Annual Meeting of China Geoscience Union , Beijing 2019-10-02 -
Vitenskapelig foredrag

Jin, Song; Stovas, Alexey. (2019) Reflection coefficients approximations for orthorhombic media . SEG SEG 2019-09-21 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2019) SV- and SH-wave triplications in vertical symmetry planes of orthorhombic media . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2019) Geometrical characteristics in anisotropic media . SEG SEG 2019-09-21 -
Vitenskapelig foredrag

Jin, Song; Stovas, Alexey. (2019) Reflection and transmission approximations for monoclinic media with a horizontal symmetry plane . SEG SEG 2019-10-21 -
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2019) Generalized velocity approximation in anisotropic media. EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Jin, Song; Stovas, Alexey. (2019) Reflection and transmission responses for layered transversely isotropic media with vertical and horizontal symmetry axes . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Abedi, Mohammad Mahdi; Stovas, Alexey. (2019) A highly accurate traveltime approximation for VTI media . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2019) Estimation of the conversion point position in elastic orthorhombic media . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Abedi, Mohammad Mahdi; Stovas, Alexey; Riahi, Mohammad. (2019) Acoustic wave extrapolation in orthorhombic media . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Xu, Shibo; Stovas, Alexey. (2019) Singularity point in effective orthorhombic medium computed from zero- and infinite-frequency limit . EAGE EAGE annual konferanse 2019-06-01 -
Vitenskapelig foredrag

Roganov, Yuriy; Stovas, Alexey; Roganov, Vyacheslav. (2019) Properties of acoustic axes in general anisotropic media . Geoinformatics 2019-05-09 -
Vitenskapelig foredrag

Stovas, Alexey. (2019) Upscaling in vertically fractured medium. EGU symposium 2019-04-25 -
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2019) Generalized velocity approximation in TI and ORT media . Shale workshop 2019-04-04 -
Vitenskapelig foredrag

Ivanov, Yuriy; Stovas, Alexey; Papageorgiou, Giorgos; Chapman, Mark. (2019) Effects of fractures on seismic wave-fields in the presence of equant porosity . EAGE EAGE annual konferanse 2019-06-01 -

2018

Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo. (2018) Fresnel zone in VTI and orthorhombic media. EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2018) Interaction of wave modes in ORT. IWSA , Jerusalem 2018-11-05 -
Vitenskapelig foredrag

Stovas, Alexey; Song, Jin. (2018) S wave kinematics in acoustic orthorhombic media. EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey; Song, Jin. (2018) S-wave kinematics in homogeneous acoustic transversely isotropic media with tilted symmetry axis . EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey. (2018) S wave propagation in acoustic orthorhombic media. EGU , Wien 2018-04-09 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2018) Difference between phase and group angles in ORT media. EAGE , Kiev 2018-05-14 -
Vitenskapelig foredrag

Subagjo, Isa Adi; Dupuy, Bastien; Park, Joonsang; Romdhane, Mohamed Anouar; Querendez, Etor; Stovas, Alexey. (2018) Joint rock physics inversion of Seismic and Electromagnetic data for CO2 monitoring at Sleipner . EAGE EAGE , Porto 2018-09-10 -
Vitenskapelig foredrag

Stovas, Alexey; Abedi, Mohammad Mahdi; Riahi, Mohammad. (2018) Three-parameter Radon Transform based on VTI Generalized Moveout Approximation. EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2018) Normal modes in ORT in phase and group domain. IWSA , Jerusalem 2018-11-05 -
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2018) Normal-mode propagation in orthorhombic media: Group vs phase domain . SEG SEG , Anaheim 2018-10-15 -
Vitenskapelig foredrag

Stovas, Alexey; Papageorgiou, Giorgos; Chapman, Mark. (2018) Scattering and intrinsic attenuation in partially saturated layered media. Minisymposium on poroelasticity , Stuttgart 2018-02-02 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2018) Waves in a medium with fluid-filled fractures. Minisymposium on poroelasticity , Stuttgart 2018-02-02 -
Vitenskapelig foredrag

Torres Caceres, Veronica Alejandra; Carter, Andrew James; Duffaut, Kenneth; Stovas, Alexey. (2018) An Attenuation Model from Dispersion Trends in North Sea Well Data. European Association of Geoscientists and Engineers 80th EAGE Conference & Exhibition 2018 , København 2018-06-11 - 2018-06-14
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2018) Occurrence of the point singularities in orthorhombic media . EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey; Song, Jin. (2018) Reflection and transmission responses of layered transversely isotropic media with aligned horizontal symmetry axes . SEG SEG , Anaheim 2018-10-15 -
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo. (2018) Triplications for pure and converted wave modes in orthorhombic model . EAGE EAGE annual konferanse , Copenhagen 2018-06-11 -
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2018) Generalized velocity approximation. IWSA , Jerusalem 2018-11-05 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2018) Dispersive waves in solid –fluid system. SEGJ SEGJ , Tokyo 2018-11-12 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2018) Interaction between P, S1 and S2 wave modes in multilayered orthorhombic media . SEG SEG , Anaheim 2018-10-15 -

2017

Vitenskapelig foredrag

Ivanov, Yuriy; Stovas, Alexey. (2017) Singularities in ORT medium. Lofoten seminar 2017-08-13 -
Vitenskapelig foredrag

Stovas, Alexey; Jin, Song. (2017) S wave propagation in acoustic anisotropic media. EGU General Assembly 2017-04-23 -
Vitenskapelig foredrag

Stovas, Alexey. (2017) Mapping of moveout in orthorhombic media. EAGE annual conference 2017-06-12 -
Vitenskapelig foredrag

Stovas, Alexey. (2017) Geometrical spreading in 3D. EAGE Geoinformatics 2017-05-09 -
Vitenskapelig foredrag

Jin, Song; Stovas, Alexey. (2017) S-wave kinematics in acoustic VTI medium. EAGE annual conference 2017-06-12 -
Vitenskapelig foredrag

Stovas, Alexey; Jin, Song. (2017) Shear wave in acoustic anisotropic media. Rock Physics Minisymposium 2017-02-19 -
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2017) Waves in a periodically layered solid-fluid system. International Workshop on Rock Physics 2017-05-29 -
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2017) Normal modes in orthorhombic media. EAGE annual conference 2017-06-12 -
Faglig foredrag

Torres Caceres, Veronica Alejandra; Dupuy, Bastien; Stovas, Alexey. (2017) Tuning and partial saturation effects on reflection responses at Sleipner field. EAGE EAGE annual meeting , Paris 2017-06-12 - 2017-06-15
Vitenskapelig foredrag

Stovas, Alexey; Jin, Song. (2017) S waves in acoustic VTI medium. Lofoten seminar 2017-08-13 -

2016

Vitenskapelig foredrag

Stovas, Alexey; Roganov, Vyacheslav; Roganov, Yuriy. (2016) Dispersion of low-frequency waves in fractured and periodically layered media. EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Masmoudi, Nabil; Alkhalifah, Tariq. (2016) Application of perturbation theory for P-wave eikonal equation in orthorhombic media. EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2016) Analytic formulae for vertical slowness and tau-p intercept time of P-waves in tilted orthorhombic media . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) NMO velocity ellipse in tilted elastic orthorhombic medium . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2016) Analytic formulae for wave normal of P-waves in orthorhombic media . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) Normal moveout velocity ellipse inversion in tilted orthorhombic media . SEG , Dallas 2016-10-17 - 2016-10-21
Vitenskapelig foredrag

Stovas, Alexey; Sripanich, Yanadet; Fomel, Sergey; Spykes, Karl. (2016) Muir-Dellinger parameters for anisotropic signatures analysis in shales . SEG , Dallas 2016-10-17 - 2016-10-21
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo; Hao, Qi. (2016) New moveout approximation for orthorhombic model . SEG , Dallas 2016-10-17 - 2016-10-21
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo. (2016) Velocity model smoothing in orthorhombic media. 17 international workshop on seismic anisotropy , Austin 2016-09-19 - 2016-09-23
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2016) Analytic formulae for wave normal of P-waves in TI and orthorhombic media . ICE konferanse , Barcelona 2016-04-04 - 2016-04-08
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2016) P-wave slowness surface approximation for tilted orthorhombic media . ICE konferanse , Barcelona 2016-04-04 - 2016-04-08
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) S-waves normal moveout velocity ellipse in vicinity of the singularity in tilted orthorhombic media . 17 international workshop on seismic anisotropy , Austin 2016-09-19 - 2016-09-23
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2016) P-, SV and PSV-wave reflections from a thin VTI layer. 17 international workshop on seimic anisotropy , Austin 2016-09-19 - 2016-09-23
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) Down- and up-going waves in tilted orthorhombic media in zero-frequency limit . SEG , Dallas 2016-10-17 - 2016-10-21
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2016) Azimuthal dependence of normal moveout velocities in anisotropic media . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo; Alkhalifah, Tariq. (2016) Estimation of the Anisotropy Parameters from Imaging Moveout of Diving Wave in a Factorized VTI Medium . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2016) Fracturing versus layering at low frequencies. Minisymposium on rock physics , Bochum 2016-02-22 - 2016-02-24
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo. (2016) Preserved Traveltime Smoothing on Azimuthally Dependent Orthorhombic Media . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) New approximation for qP-wave velocities in TI media. Shale workshop , Catania 2016-05-02 - 2016-05-05
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2016) Zero- and Infinite-frequency Limits of P-wave Traveltime Parameters in Tilted Orthorhombic Media . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2016) Generalized moveout approximation revisited. Alternative parameter selection . EAGE , Vienna 2016-05-30 - 2016-06-03
Vitenskapelig foredrag

Stovas, Alexey; Sripanich, Yanadet; Fomel, Sergey; Fowler, Paul A.; Spykes, Karl. (2016) Muir-Dellinger parameters for analysis of anisotropic signatures . 17 international workshop on seismic anisotropy , Austin 2016-09-19 - 2016-09-23
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2016) NMO velocity ellipse in group and phase domain . Geoinformatics , Kiev 2016-05-09 - 2016-05-13

2015

Vitenskapelig foredrag

Stovas, Alexey; Alkhalifah, Tariq. (2015) Anisotropy from diving waves. SEG FWI Workshop , Abu Dhabi 2015-01-10 - 2015-01-13
Vitenskapelig foredrag

Stovas, Alexey; Xu, Shibo. (2015) Anisotropy parameters from CRS attributes. EAGE SPWLA , Prague 2015-06-08 - 2015-06-13
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Roganov, Vyacheslav. (2015) Fractures versus layering at low frequencies . EAGE Geoinformatica , Kiev 2015-05-11 - 2015-05-15
Vitenskapelig foredrag

Stovas, Alexey; Ayzenberg, Alena; Zyatkov, Nikolay; Ayzenberg, Arkady. (2015) Comparison TWSM with FD . EAGE SPWLA , Prague 2015-06-08 - 2015-06-13
Vitenskapelig foredrag

Stovas, Alexey; Ayzenberg, Alena; Zyatkov, Nikolay; Ayzenberg, Arkady. (2015) The feasible point-source wavefield below salt overhang of 2-parabolic shape . NPF Lofoten seminar , Svalbard 2015-02-20 - 2015-02-25
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2015) Weak-anisotropy approximation for P-wave reflection coefficient in TTI media . EAGE EAGE annual conference , Madrid 2015-06-01 - 2015-06-04
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2015) Anelliptic approximation for P-wave phase and group velocities in orthorhombic media . EAGE EAGE annual conference , Madrid 2015-06-01 - 2015-06-04
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2015) Upscaling in orthorhombic media. EAGE SPWLA , Prague 2015-06-08 - 2015-06-13
Vitenskapelig foredrag

Stovas, Alexey. (2015) Converted waves in elastic ORT media. EAGE SPWLA , Prague 2015-06-08 - 2015-06-13
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2015) The offset-midpoint traveltime pyramid for P-waves in orthorhombic media . EAGE EAGE annual conference , Madrid 2015-06-01 - 2015-06-04
Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2015) Upscaling methods in orthorhombic media. SEG SEG annual meeting , New Orleans 2015-10-19 - 2015-10-23
Vitenskapelig foredrag

Stovas, Alexey; Dupuy, Bastien. (2015) Inversion of rock physics properties from seismic attributes using a downscaling method . EAGE Rock Physics Workshop , Istanbul 2015-10-11 - 2015-10-14
Faglig foredrag

Dupuy, Bastien; Balhareth, Hadi Mohammed; Landrø, Martin; Garambois, Stéphane; Stovas, Alexey; Virieux, Jean. (2015) Inversion of rock physics properties from seismic attributes using a downscaling method. EAGE workshop on rock physics 2015-11-15 - 2015-11-18

2014

Vitenskapelig foredrag

Stovas, Alexey; Ivanov, Yuriy. (2014) Weak-anisotropy approximation for P-wave reflection coefficient at the boundary between two TTI media . EAGE EAGE workshop , Catania 2014-04-12 - 2015-04-14
Vitenskapelig foredrag

Stovas, Alexey; Dupuy, Bastien. (2014) Reflection and transmission responses of a periodic layered medium constituted by shales and patchy saturated sands. Minisymposium on rock physics , Lausanne 2014-02-01 -

2013

Vitenskapelig foredrag

Stovas, Alexey; Vinje, Vetle. (2013) PTS rescaling in VTI media. EAGE Geoinformatica 2013-05-13 - 2013-05-17
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2013) Low-frequency wave propagation in a periodical weak-contrast medium. EAGE EAGE annaual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi. (2013) The offset-midpoint traveltime pyramid in TTI media. EAGE EAGE annual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Duffaut, Kenneth; Carter, Andrew J.. (2013) Low-frequency layer-induced anisotropy. EAGE EAGE annual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy; Duffaut, Kenneth; Carter, Andrew J.. (2013) Low-frequency upscaling in high-contrast media with application to TTI media. SEG SEG annual meeting , Houston 2013-09-23 - 2013-09-27
Vitenskapelig foredrag

Stovas, Alexey; Waheed, Umair; Alkhalifah, Tariq. (2013) Diffraction traveltimes in TTI media. EAGE EAGE annual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Golikov, Pavel. (2013) Geometrical Spreading approximations in a TTI medium. EAGE EAGE annaual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Ayzenberg, Alena; Zyatkov, N; Ayzenberg, Arkady. (2013) Double-diffraction approximation of the feasible Green’s function in geometrical shadow zones. EAGE EAGE annual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Waheed, Umair; Alkhalifah, Tariq. (2013) Diffraction traveltime approximation for inversion of anisotropic parameters in complex TI media. SEG SEG workshop , Muscat 2013-04-27 - 2013-05-02
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2013) Low-frequency weak-contrast upscaling in finely layered sand-shale sequence. EAGE 2IWRP , Southampton 2013-08-05 - 2013-08-09
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2013) Low-frequency layer-induced anisotropy versus heterogeneity. SEGJ SEGJ annual meeting , Yokohama 2013-11-17 - 2013-11-22
Vitenskapelig foredrag

Scopintseva, Lyubov; Stovas, Alexey; Landrø, Martin. (2013) Normal modes in anisotropic VTI media. EAGE EAGE annual conference , London 2013-06-10 - 2013-06-14
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2013) Low-frequency velocity dispersion and reflection coefficient in a periodically weak-contrast medium. UkrDGRI Seismo-2013 , Sudak 2013-09-09 - 2013-09-13
Vitenskapelig foredrag

Stovas, Alexey. (2013) Upscaling of anelastic vertically heterogeneous reservoirs. IAMG IAMG annual meeting , Madrid 2013-09-02 - 2013-09-06
Vitenskapelig foredrag

Stovas, Alexey; Hao, Qi; Alkhalifah, Tariq. (2013) The offset-midpoint traveltime pyramid in HTI media. SEG SEG annual meeting , Houston 2013-09-23 - 2013-09-27
Vitenskapelig foredrag

Stovas, Alexey; Dupuy, Bastien. (2013) Wave attenuation and dispersion in patchy saturated oil and gas reservoirs: influence of frequency and saturation on AVO attributes. EAGE Biot conference , Vienna 2013-07-10 - 2013-07-12
Vitenskapelig foredrag

Stovas, Alexey; Waheed, Umair; Alkhalifah, Tariq. (2013) Anisotropic parameter inversion in VTI media using diffraction data. SEG SEG annual meeting , Houston 2013-09-23 - 2013-09-27
Vitenskapelig foredrag

Stovas, Alexey; Dupuy, Bastien. (2013) Frequency-dependent AVO attributes for partially saturated rocks. ETH Minisimposium on poroelasticity , Zurich 2013-02-18 - 2013-02-21

2012

Vitenskapelig foredrag

Stovas, Alexey. (2012) The BCH series in low-frequency upscaling. Geoinformatica 2012-05-14 - 2012-05-18
Vitenskapelig foredrag

Stovas, Alexey. (2012) Hamiltonian formalism for the plane waves propagating in periodically layered media. EAGE 2012-06-04 - 2012-06-08
Vitenskapelig foredrag

Stovas, Alexey. (2012) Application of perturbation theory to TTI medium. EAGE-EAGO 2012-04-02 - 2012-04-06
Vitenskapelig foredrag

Stovas, Alexey. (2012) Low-frequency induced anisotropy. 15IWSA 2012-04-14 - 2012-04-19
Vitenskapelig foredrag

Stovas, Alexey. (2012) Traveltime parameters for horizontally layered 2D TTI media. 15IWSA 2012-04-14 - 2012-04-19
Vitenskapelig foredrag

Stovas, Alexey. (2012) Perturbation theory in TI media. NPF Lofoten seminar 2012-08-14 - 2012-08-18
Vitenskapelig foredrag

Stovas, Alexey. (2012) Prestack traveltimes for dip-constrained TI media. SEG 2012-11-05 - 2012-11-09
Vitenskapelig foredrag

Stovas, Alexey. (2012) Upscaling of vertically heterogeneous reservoirs. ECMOR 2012-09-10 - 2012-09-13
Vitenskapelig foredrag

Stovas, Alexey. (2012) Mapping of moveout approximations in TI media. SEG 2012-11-05 - 2012-11-09
Vitenskapelig foredrag

Stovas, Alexey. (2012) Application of perturbation theory to TTI media. 15IWSA 2012-04-14 - 2012-04-19
Vitenskapelig foredrag

Stovas, Alexey. (2012) Low frequency induced anisotropy from a sand-shale sequence. EAGE EAGE shale workshop , Barcelona 2012-01-15 - 2012-01-18
Vitenskapelig foredrag

Stovas, Alexey. (2012) Mapping of moveout in TTI media. EAGE 2012-06-04 - 2012-06-08
Vitenskapelig foredrag

Stovas, Alexey. (2012) Traveltime parameters for vertically heterogeneous 2D TTI media. EAGE 2012-06-04 - 2012-06-08
Vitenskapelig foredrag

Stovas, Alexey. (2012) Double-square-root equation for DTI media. Lofoten seminar 2012-08-14 - 2012-08-18
Vitenskapelig foredrag

Stovas, Alexey. (2012) Asymptotic analysis of moveout approximations in a VTI medium. EAGE 2012-06-04 - 2012-06-08

2011

Vitenskapelig foredrag

Golikov, Pavel Evgenjevich; Stovas, Alexey. (2011) Analysis of the DSR equation for elliptical DTI model. Goldin's reading conference , Novosibirsk 2011-08-01 - 2011-08-05
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2011) The Baker-Campbell-Hausdorf series in low-frequency wave propagation. IAMG konferanse , Salzburg 2011-09-05 - 2011-09-09
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2011) Low frequency upscaling in seismic. Society of Exploration Geophysicists of Japan International Symposium , Kyoto 2011-11-20 - 2011-11-23
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Yuriy. (2011) Upscaling of Reservoir Model to Seismic Frequencies. EAGE/SEG Summer workshop , Trieste 2011-08-29 - 2011-08-31
Vitenskapelig foredrag

Golikov, Pavel Evgenjevich; Stovas, Alexey. (2011) Traveltime parameters in tilted TI media. SEG Annual Meeting , San Antonio, Texas 2011-09-18 - 2011-09-23
Vitenskapelig foredrag

Stovas, Alexey; Alkhalifah, T.. (2011) A New Traveltime Approximation for TI Media. EAGE 73rd EAGE Conference & Exhibition incorporating , Vienna 2011-05-23 - 2011-05-26
Vitenskapelig foredrag

Vinje, Vetle; Stovas, Alexey; Reynaud, D.. (2011) Preserved-traveltime Smoothing. EAGE 73rd EAGE Conference & Exhibition incorporating SPE EUROPEC 2011 , Vienna 2011-05-23 - 2011-05-26
Vitenskapelig foredrag

Roganov, Y.V.; Stovas, Alexey. (2011) Low-frequency Wave Propagation in Periodically Layered Media. EAGE 73rd EAGE Conference & Exhibition incorporating SPE EUROPEC 2011 , Vienna 2011-05-23 - 2011-05-26
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Y.V.. (2011) Low-frequency extension of the Backus averaging method. SBGf Twelfth International Congress of the Brazilian Geophysical Society , Rio de Janeiro 2011-08-15 - 2011-08-18
Vitenskapelig foredrag

Golikov, Pavel Evgenjevich; Avseth, Per Åge; Stovas, Alexey; Bachrach, Ran. (2011) Rock physics interpretation of heterogeneous and anisotropic turbidite reservoirs. 1IWRP Workshop , Denver, Colorado 2011-08-07 - 2011-08-12
Vitenskapelig foredrag

Golikov, Pavel Evgenjevich; Stovas, Alexey. (2011) Traveltime Parameters in a Tilted Elliptical Anisotropic Medium. EAGE 73rd EAGE Conference & Exhibition incorporating SPE EUROPEC 2011 , Vienna 2011-05-23 - 2011-05-26
Vitenskapelig foredrag

Stovas, Alexey; Alkhalifah, T.. (2011) The TTI slowness surface approximation. SEG SEG Annual Meeting , San Antonio, Texas 2011-08-18 - 2011-09-23
Vitenskapelig foredrag

Golikov, Pavel Evgenjevich; Avseth, Per Åge; Stovas, Alexey; Bachrach, Ran. (2011) Rock physics templates for interpretation of turbidite reservoirs. Euroconference , Trondheim 2011-10-17 - 2011-10-21
Vitenskapelig foredrag

Stovas, Alexey; Golikov, Pavel Evgenjevich. (2011) Inversion of traveltime parameters in tilted TI media. Conference , Kiev 2011-05-10 - 2011-05-13

2010

Vitenskapelig foredrag

Stovas, Alexey. (2010) Velocity Analysis in Shales. EAGE EAGE Shale Workshop 2010 , Nice 2010-04-26 - 2010-04-28
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2010) "Shifted Hyperbola" moveout approximation revisited. Workshop meeting seismic waves in laterally inhomogeneous media VII 2010 , Czech Republic 2010-06-21 - 2010-06-26
Vitenskapelig foredrag

Stovas, Alexey; Fomel, Sergey. (2010) The generalized non-elliptic moveout approximation in the τ-p domain. SEG SEG Denver 2010 Annual Meeting , Denver, Colerado 2010-10-17 - 2010-10-22
Vitenskapelig foredrag

Stovas, Alexey; Golikov, Pavel Evgenjevich. (2010) New Parametrization for qPqP and qPqSV Reflection Coefficients in a Transversely Isotropic Medium. EAGE 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 , Barcelona 2010-06-14 - 2010-06-17
Vitenskapelig foredrag

Stovas, Alexey. (2010) qP-wave Triplications in an Acoustic Transversely Isotropic Medium. EAGE 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 , Barcelona 2010-06-14 - 2010-06-17
Vitenskapelig foredrag

Stovas, Alexey. (2010) Generalization of the Vertically Heterogeneous Velocity Models. Saint Petersburg 4th Saint Petersburg international Conference & Exhibition , Saint Petersburg 2010-04-05 - 2010-04-08
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn; Toverud, Tommy. (2010) Seismic attenuation and dispersion models: Theory and VSP data analysis. Workshop meeting seismic waves in laterally inhomogeneous media VII 2010 , Czech Republic 2010-06-21 - 2010-06-26
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Y.. (2010) Stratigraphic filtering in anelastic media. Geo Informatics 2010 IXth International Conference on Geoinformatics , Kiev 2010-05-11 - 2010-05-14
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Y.V.. (2010) Caustics in a Periodically Layered VTI Medium. EAGE 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 , Barcelona 2010-06-14 - 2010-06-17

2009

Vitenskapelig foredrag

Stovas, Alexey. (2009) Direct Dix-type inversion in a layerd VTI medium. SEG Houston SEG Houston , Houston, Texas 2009-10-25 - 2009-10-30
Vitenskapelig foredrag

Stovas, Alexey; Roganov, Y.. (2009) Attenuation versus scattering in a periodically layerd medium. SEG Houston SEG Houston , Houston, Texas 2009-10-25 - 2009-10-30
Vitenskapelig foredrag

Stovas, Alexey; Fomel, B.. (2009) Generalized traveltime approximation for a homogeneous VTI medium. Leipziger Kubus Conference Center SIAM Conference on Mathematical & Computational Issues in the Geosciences , Leipzig 2009-06-15 - 2009-06-18
Vitenskapelig foredrag

Fomel, S.B.; Stovas, Alexey. (2009) The generalized non-hyperbolic moveout approximation. 11th International Congress of the Brazilian Geophysical Society , Salvador 2009-08-24 - 2009-08-28
Vitenskapelig foredrag

Stovas, Alexey. (2009) Power-gradient velocity model. EAGE 11th International Congress of the Brazilian Geophysical Society , Salvador 2009-08-24 - 2009-08-28
Vitenskapelig foredrag

Stovas, Alexey. (2009) Intrinsic attenuation in a periodically layerd medium. EAGE-SEG Workshop EAGE-SEG Workshop , Barcelona 2009-09-14 - 2009-09-15
Vitenskapelig foredrag

Stovas, Alexey; Fomel, B.. (2009) Generalized moveout approximation for anisotropic waves. EAGE-Geomodel Geomodel, Gelendzhik , Gelendzhik 2009-09-07 - 2009-09-10
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2009) Seismic attenuation and dispersion models-theory and VSP data analysis. EAGE EAGE-SEG Workshop , Barcelona 2009-09-14 - 2009-09-15
Vitenskapelig foredrag

Roganov, Y.; Stovas, Alexey. (2009) SV-waves triplications in the multilayered VTI media. EAGE , Amsterdam 2009-11-08 - 2009-11-11

2008

Vitenskapelig foredrag

Stovas, Alexey. (2008) Kinematical characteristics of the factorized model. SEG SEG Las Vegas 2008 78th Annual Meeting , Las Vegas 2008-11-09 - 2008-11-14
Vitenskapelig foredrag

Roganov, Y.V.; Stovas, Alexey. (2008) Quasi-acoustic Approximations for qSV-waves in a Transversely Isotropic Medium. EAGE EAGE 70th Conference & Exhibition , Roma 2008-06-09 - 2008-06-12
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2008) Improved Geometrical Spreading Approximation in Layered Transversely Isotropic Media. EAGE 3rd Saint Petersburg International Conference & Exhibition , Saint Petersburg 2008-04-07 - 2008-04-10
Vitenskapelig foredrag

Silva, Mercia Betania Costa E.; Stovas, Alexey. (2008) Comparison of Average Methods to Build a Velocity Model from Sonic Log. EAGE EAGE 70th Conference & Exhibition , Roma 2008-06-09 - 2008-06-12
Vitenskapelig foredrag

Skopintseva, Lyubov; Stovas, Alexey. (2008) Overburden-dependent AVO interpretation. SEG SEG Las Vegas 2008 78th Annual Meeting , Las Vegas 2008-11-09 - 2008-11-14

2007

Vitenskapelig foredrag

Stovas, Alexey; Silva, Mercia Betania Costa E.. (2007) Correspondance between the low and high frequency limits for anisotropy parameters in a layered medium. III-rd International Workshop on Frequency Dependence of Physical Characteristics , Edinburgh 2007-07-29 - 2007-08-01
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2007) The Reflection and Transmission Responces of a Periodically Layered Medium. Association for Mathematical Geology 12th Conference of the Int. Association for Mathematical Geology , Beijing 2007-08-26 - 2007-08-31
Vitenskapelig foredrag

Stovas, Alexey. (2007) Kinematically equivalent velocity distributions. SEG SEG/San Antonio 2007 Annual Meeting , San Antonio 2007-09-23 - 2007-09-28
Vitenskapelig foredrag

Fomel, S.B.; Stovas, Alexey. (2007) Generalized Non-Hyperbolic Moveout Approximation. EAGE EAGE 69th Conference & Exhibition - London, UK , London 2007-06-11 - 2007-06-14
Vitenskapelig foredrag

Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The Low and High Frequency Limits for Anisotropic Parameters in a Layered Medium. EAGE EAGE 69th Conference & Exhibition - London, UK , London 2007-06-11 - 2007-06-14
Vitenskapelig foredrag

Silva, Mercia Betania Costa E.; Stovas, Alexey. (2007) The low and high frequency limits for anisotropic parameters in a layered medium. The Brazilian Geophysical Society Tenth International Congress of the Brazilian Geophysical Society , Rio de Janeiro 2007-11-19 - 2007-11-22
Poster

Stovas, Alexey; Landrø, Martin. (2007) 4D detection of gas coning. EAGE 69th EAGE meeting , London 2007-06-11 - 2007-06-14
Poster

Stovas, Alexey; Ursin, Bjørn. (2007) The Geometrical Spreading in VTI Medium Revisited. EAGE EAGE 69th Conference & Exhibition - London, UK , London 2007-06-11 - 2007-06-14

2006

Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin. (2006) Seismic modelling from ultra-thin layered reservoirs. European Association of Geoscientists and Engineers 68th EAGE Meeting , Vienna 2006-06-12 - 2006-06-15
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin. (2006) Uncertainty in discrimination between net-to-gross and water saturation for fine-layered reservoirs. SEG SEG 2006 Annual Meeting , New Orleans 2006-10-01 - 2006-10-06
Vitenskapelig foredrag

Stovas, Alexey; Arntsen, Børge. (2006) Phase velocity approximation in the finely layered sediments. SEG SEG/New Orleans 2006 Annual Meeting , New Orleans 2006-10-01 - 2006-10-06
Vitenskapelig foredrag

Pedersen, Ørjan; Ursin, Bjørn; Stovas, Alexey. (2006) Wide-Angle Phase-Slowness Approximations in VTI Media (P186). EAGE EAGE 68th Conference & Exhibition , Wien 2006-06-12 - 2006-06-15
Vitenskapelig foredrag

Stovas, Alexey. (2006) Phase Velocity Approximation in a Finaly Layered Medium (P037). EAGE EAGE 68th Conference & Exhibition , Wien 2006-06-12 - 2006-06-15
Vitenskapelig foredrag

Stovas, Alexey. (2006) Parameter Estimation for Linear Velocity Functions (P158). EAGE EAGE 68th Conference & Exhibition , Wien 2006-06-12 - 2006-06-15

2005

Vitenskapelig foredrag

Ursin, Bjørn; Stovas, Alexey. (2005) P097 Generalized DIX equations for a layered transversely isotropic medium. EAGE EAGE 67th Conference & Exhibition , Madrid 2005-06-13 - 2005-06-16
Vitenskapelig foredrag

Ursin, Bjørn; Stovas, Alexey. (2005) Traveltime approximations for a layered transversely isotropic medium. Anisotropy Workshop , Praha 2005-06-13 - 2005-06-17
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2005) The reflection and transmission responses of a periodic layered medium. SEG SEG/Houston 2005 Annual Meeting , Houston 2005-11-06 - 2005-11-11
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin. (2005) Effect of anisotropy and anelasticity on net-to-gross and fluid saturation estimation. EAGE EAGE 67th Conference & Exhibition , Madrid 2005-06-13 - 2005-06-16
Vitenskapelig foredrag

Røste, Thomas; Stovas, Alexey; Landrø, Martin. (2005) Estimation of layer thickness and velocity changes using 4D prestack seismic data. EAGE EAGE 67th Conference & Exhibition , Madrid 2005-06-13 - 2005-06-16

2004

Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2004) New traveltime approximations for a transversely isotroptic medium, (P314). EAGE EAGE 66th Conference & Exhibition , Paris 2004-06-07 - 2004-06-10
Vitenskapelig foredrag

Ursin, Bjørn; Stovas, Alexey. (2004) Traveltime approximations for a layered transversely isotropic medium. SEG SEG International Exposition and 74th Annual Meeting , Denver, Colorado 2004-10-10 - 2004-10-15
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin. (2004) Estimation of net-to-gross and fluid saturation in a fine-layered sand-shale sequence - tested on offshore Brazil data. EAGE 66th Conference and Exhibition 2004-06-07 - 2004-06-10
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin; Avseth, Per. (2004) Estimation of net-to-gross and fluid saturation in a fine-layered sand-shale sequence - tested on offshore Brazil data. SEG SEG meeting 2004-10-10 - 2004-10-15
Poster

Stovas, Alexey; Landrø, Martin. (2004) Pressure-Fluid discrimination versus net-to-gross for finely layered reservoir units. EAGE workshop 7 on time lapse seismic 2004-06-06 -

2003

Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin; Kleppe, Jon; Torsæter, Ole; Jensen, Jan Ivar. (2003) An integrated study of reservoir fluid flow across faults by laboratory experiments, 4D seismics and reservoir simulation. EAGE 65th Conference and Exhibition , Stavanger 2003-06-05 -
Vitenskapelig foredrag

Stovas, Alexey; Arntsen, Børge; Landrø, Martin. (2003) Use of PP and PS time-lapse stacks for fluid-pressure discrimination. 65th EAGE Conference and Exhibition , Stavanger 2003-06-05 -
Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2003) New traveltime approximation for a layered transversely isotropic medium. EAGE/SEG Summer Research Workshop, Trieste, Extended abstracts, T03 , Trieste, Italy 2003-09-04 -
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin; Torsæter, Ole; Jensen, Jan Ivar; Kleppe, Jon. (2003) An integrated study of reservoir fluid flow across faults by laboratory experiments, 4D seismic and resevoir simulation. 1st International Conference and Exhibition; Recent advances and challenges in oil recovery , Moskva 2003-05-23 -

2002

Vitenskapelig foredrag

Stovas, Alexey; Ursin, Bjørn. (2002) Second-order approximations of the transmission and reflection matrices at an interface between two visco-elastic TIV media. 64th EAGE Conference & Exhibition, Extended abstracts, C-26 , Florence, Italy 2002-05-30 -
Vitenskapelig foredrag

Stovas, Alexey; Landrø, Martin. (2002) Fluid-pressure discrimination in anisotropic reservoir rocks - a sensitivity study. EAGE 64th Conference and Exhibition , Florence, Italy 2002-05-30 -

2001

Poster

Stovas, Alexey; Ursin, Bjørn. (2001) A new approximation of the reflection and transmission coefficients between two visco-elastic isotropic media. 63rd EAGE Conference, Amsterdam, Expanded abstracts, P-192 , Amsterdam 2001-06-15 -

2000

Poster

Stovas, Alexey; Ursin, Bjørn. (2000) Reflection and transmission coefficients between two visco-elastic TIV media. EAGE 62nd Conference and Technical Exhibition - Glasgow, Scotland, 29 May - 2 June 2000 , Glasgow, Scotland, 29 May - 2 June 2000
Vitenskapelig foredrag

Ursin, Bjørn; Stovas, Alexey. (2000) Approximate reflection and transmission responses from a layered isotropic visco-elastic medium. Workshop on Seismic Signatures of Fluid Transport, Berlin, Germany - Hotel Steglitz International, February 27-29, 2000 , Berlin, Germany, February 27-29, 2000

1999

Vitenskapelig foredrag

Ursin, Bjørn; Stovas, Alexey. (1999) Approximate reflection and transmission responses from a layered isotropic elastic medium. EAGE 61st Conference and Technical Exhibition, paper 4-13 , Helsinki, Finland, 7-11 June 1999

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Alexei Stovas

Alexei Stovas

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