Reverse-time migration for tilted TI media

X Du, JC Bancroft, LR Lines - SEG International Exposition and Annual …, 2005 - onepetro.org
Seismic anisotropy in dipping shales results in imaging and positioning problems for
underlying structures. We develop a reverse-time anisotropic depth migration approach for P …

Anisotropic reverse‐time migration for tilted TI media

X Du, JC Bancroft, LR Lines - Geophysical Prospecting, 2007 - earthdoc.org
Seismic anisotropy in dipping shales results in imaging and positioning problems for
underlying structures. We develop an anisotropic reverse‐time depth migration approach for …

Imaging structures below dipping TI media

RW Vestrum, DC Lawton, R Schmid - 2008 - pubs.geoscienceworld.org
Seismic anisotropy in dipping shales causes imaging and positioning problems for
underlying structure's. We developed an isotropic depth-migration approach for P-wave …

Numerical simulation and reverse time migration using an improved pure P-wave equation in tilted transversely isotropic media

CF GUO, QZ DU, MQ ZHANG, HC ZHENG… - Chinese Journal of …, 2017 - en.dzkx.org
Seismic anisotropy has been observed in many exploration areas, especially in sedimentary
rocks. The most commonly used anisotropic model is the transverse isotropy (TI) with a …

Decoupled equations for reverse time migration in tilted transversely isotropic media

G Zhan, RC Pestana, PL Stoffa - Geophysics, 2012 - library.seg.org
Conventional modeling and migration for tilted transversely isotropic (TTI) media may suffer
from numerical instabilities and shear wave artifacts due to the coupling of the P-wave and …

3-D poststack phase-shift migration in transversely isotropic media

MA Meadows, WL Abriel - SEG Technical Program Expanded …, 1994 - library.seg.org
It is now well established that anisotropy can adversely affect migration results when
conventional (isotropic) methods are used. A number of extensions to handle anisotropy …

An acoustic wave equation for modeling in tilted TI media

L Zhang, JW Rector III, GM Hoversten - SEG International Exposition …, 2003 - onepetro.org
Based on the acoustic assumption (shear wave velocity is zero), a new acoustic wave
equation for P-waves in transversely isotropic media with a tilted symmetry axis is derived …

Reverse time migration in 3D heterogeneous TTI media

H Zhang, Y Zhang - SEG Technical Program Expanded Abstracts …, 2008 - library.seg.org
In this abstract, we discuss the implementation of a TTI reverse time migration. Also we
address several practical issues regarding numerical accuracy, stability and artifact removal …

PS-wave moveout inversion for tilted TI media: A physical-modeling study

P Dewangan, I Tsvankin, M Batzle, K van Wijk… - Geophysics, 2006 - library.seg.org
Mode-converted PS-waves can provide critically important information for velocity analysis
in transversely isotropic (TI) media. We demonstrate, with physical-modeling data, that the …

Stabilizing acoustic reverse-time migration in TTI media

R Fletcher, X Du, PJ Fowler - SEG International Exposition and Annual …, 2009 - onepetro.org
We propose a new stable wave equation for tilted transversely isotropic (TTI) media that can
be solved as part of an acoustic anisotropic reverse-time migration (RTM) algorithm using …