Reverse time migration: A prospect of seismic imaging methodology

HW Zhou, H Hu, Z Zou, Y Wo, O Youn - Earth-science reviews, 2018 - Elsevier
Reverse time migration (RTM) is a seismic imaging method to map the subsurface reflectivity
using recorded seismic waveforms. The practice in exploration seismology has long …

Seismic imaging: From classical to adjoint tomography

Q Liu, YJ Gu - Tectonophysics, 2012 - Elsevier
Seismic tomography has been a vital tool in probing the Earth's internal structure and
enhancing our knowledge of dynamical processes in the Earth's crust and mantle. While …

A general approach to seismic inversion with automatic differentiation

W Zhu, K Xu, E Darve, GC Beroza - Computers & Geosciences, 2021 - Elsevier
Imaging Earth structure or seismic sources from seismic data involves minimizing a target
misfit function, and is commonly solved through gradient-based optimization. The adjoint …

Time-reverse modelling of acoustic wave propagation in attenuating media

T Zhu - Geophysical Journal International, 2014 - academic.oup.com
Time-reverse modelling (TRM) of acoustic wave propagation has been widely implemented
in seismic migration and time-reversal source imaging. The basic assumption of this …

Investigating the possibility of locating microseismic sources using distributed sensor networks

J Sun, T Zhu, S Fomel, WZ Song - SEG International Exposition and …, 2015 - onepetro.org
Distributed sensor networks are designed to provide computation in-situ and in real-time.
The conventional time-reversal imaging approach for microseismic event location may not …

[HTML][HTML] Iterative time reversal based flaw identification

R Seidl, E Rank - Computers & Mathematics with Applications, 2016 - Elsevier
In the field of ultrasonic non-destructive testing, ultrasonic impulses are used to detect flaws
in components without causing damage. Based on performing experiments alone, it is …

Hybrid multiplicative time-reversal imaging reveals the evolution of microseismic events: Theory and field-data tests

T Zhu, J Sun, D Gei, JM Carcione, P Cance… - …, 2019 - pubs.geoscienceworld.org
The generation of microseismic events is often associated with induced fractures/faults
during the extraction/injection of fluids. A full characterization of the spatiotemporal …

Time reversal as a computational tool in acoustics and elastodynamics

D Givoli - Journal of Computational Acoustics, 2014 - World Scientific
In this review paper, the use of the Time Reversal (TR) method as a computational tool for
solving some classes of inverse problems is surveyed. The basics of computational TR are …

RFloc3D: A machine-learning method for 3-D microseismic source location using P-and S-wave arrivals

Y Chen, A Savvaidis, S Fomel… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Passive seismic source location imaging is important to various scientific and engineering
research topics spanning from unconventional reservoir development in exploration …

Toward creating a subsurface camera

W Song, F Li, M Valero, L Zhao - Sensors, 2019 - mdpi.com
In this article, the framework and architecture of a Subsurface Camera (SAMERA) are
envisioned and described for the first time. A SAMERA is a geophysical sensor network that …