Elastic reverse time migration using acoustic propagators

Y Elita Li, Y Du, J Yang, A Cheng, X Fang - Geophysics, 2018 - library.seg.org
Elastic wave imaging has been a significant challenge in the exploration industry due to the
complexities in wave physics and numerical implementation. We have separated the …

Fracture clustering effect on amplitude variation with offset and azimuth analyses

X Fang, Y Zheng, MC Fehler - Geophysics, 2017 - pubs.geoscienceworld.org
Traditional amplitude variation with offset and azimuth (AVOAz) analysis for fracture
characterization extracts fracture properties through analysis of reflection AVOAz to …

Reservoir fracture characterization from seismic scattered waves

X Fang, MC Fehler, Z Zhu, Y Zheng… - Geophysical Journal …, 2014 - academic.oup.com
Fracture characterization in an oil or gas reservoir is very important for field development
and exploration because natural fracture systems can dominate the fluid drainage pattern in …

Source-free converted-wave reverse time migration: Formulation and limitations

Y Du, EY Li, J Yang, A Cheng, X Fang - Geophysics, 2019 - pubs.geoscienceworld.org
The source-free converted-wave (SFCW) reverse time migration is an alternative way to
image the subsurface when the source information is missing or the overburden velocities …

Frequency-dependent energy attenuation and velocity dispersion in periodic layered media

H Zhang, F Zhang, Y Lu - Acta Geophysica, 2019 - Springer
According to Brajanovski periodic layered model, a fractural medium can be equivalent to
layered media with periodic distribution of fractural layers and background layers, but the …

Multicomponent and source-free converted-wave reverse time migration for VSP

Y Du, YE Li, J Yang, A Cheng, X Fang - SEG International Exposition …, 2018 - onepetro.org
ABSTRACT VSP has advantages to detect and monitor the objects around the borehole due
to its geometry. Multicomponent VSP can add rich information about the elastic properties of …

Source-free converted-wave reverse-time migration using acoustic propagators

Y Du, Y Elita Li, J Yang, A Cheng - … , Bei**g, China, 24-27 April 2018, 2018 - library.seg.org
The source-free converted-wave (SFCW) reverse-time migration (RTM) imaging is an
alternative way to image the subsurface when source information is missing or the …