The usage of grid-characteristic method in seismic migration problems

VI Golubev - Smart Modeling for Engineering Systems: Proceedings …, 2019 - Springer
This work is devoted to the numerical solution of the inverse problem of seismic survey
process–migration. Oil and gas deposits has contrast subsurface boundaries and may be …

A staggered-grid lowrank finite-difference method for elastic wave extrapolation

Q Du, J Ba, D Han, P Sun, J Zhang - Annals of Geophysics, 2020 - annalsofgeophysics.eu
Elastic wave extrapolation in the time domain is significant for an elastic wave equation-
based processing. To improve the simulation reliability and accuracy of decoupled elastic P …

A novel method for wave phenomena investigation

A Favorskaya - Procedia Computer Science, 2019 - Elsevier
To study wave phenomena, the precise analytical expressions are used for particular
solutions of the wave equations and the results of modeling the measurements of the …

Research on least square inverse time migration imaging based on Nesterov accelerated gradient method

XD ZHANG, HY GOU, DX LIU, L CUI, GZ LIU… - Progress in …, 2022 - en.dzkx.org
In the process of the Least Square Reverse Time Migration (LSRTM), the traditional gradient
iteration algorithm has two problems in generating ascending search direction and …

[PDF][PDF] Different approaches for elastic imaging using multiprocessor computing systems

VI Golubev, AV Favorskaya - Advisory committee, 2018 - ceur-ws.org
One of the important problems of the seismic survey process is the seismic migration. The
result provides enough information for the delineation of oil and gas deposits. In this article …