Tomographic joint inversion of direct arrivals, primaries and multiples for monochannel marine surveys

A Vesnaver, L Baradello - Geosciences, 2022 - mdpi.com
Conventional multichannel surveys provide good images in 2D and 3D of the Earth in depth,
which are successfully used for the oil and gas industries. However, their cost and …

Azimuthal amplitude difference inversion constrained by azimuth velocity anisotropy

L Ji, Z Zong, Y Yang - Geophysical Journal International, 2023 - academic.oup.com
Amplitude variation with incident angle and azimuth (AVAZ) inversion is usually used for
estimating subsurface medium properties from azimuthal stacked seismic data for fracture …

Quantitative time-lapse analysis of 4D DAS VSP time shifts to monitor stimulated rock volume in unconventional reservoirs

Y Haj Nasser - SEG International Exposition and Annual Meeting, 2022 - onepetro.org
4D DAS VSP is a rapid monitoring technique of stimulated rock volume in unconventional
reservoirs. In this study, a pragmatic 4D forward modeling workflow is proposed to forecast …

Towards quantitative assessment of 4D DAS time shifts for enhanced stimulated rock volume characterization

YH Nasser - … Resources Technology Conference, 20–22 June 2022, 2022 - library.seg.org
4D DAS VSP is a real-time in-situ monitoring technique of stimulated rock volume in
unconventional shale reservoirs. Latest field experiments using active seismic sources and …

Effective Anisotropic Elastic Parameters in Tilted Transverse Isotropy media

C Tanase, L Quevedo - Second EAGE Conference on Seismic …, 2022 - earthdoc.org
Anisotropy in rock beds is accountable for large deviation effects in imaging and incorrect
characterization of reservoir properties that cannot be ignored in unconventional reservoirs …