Elastic full-waveform inversion, which aims to match the waveforms of prestack seismic data,
potentially provides more accurate high-resolution reservoir characterization from seismic …

Elastic reverse time migration (RTM) can yield accurate subsurface information (eg PP and
PS reflectivity) by imaging the multicomponent seismic data. However, the existing RTM …

Full-waveform inversion (FWI) has emerged as a powerful strategy for estimating subsurface
model parameters by iteratively minimizing the difference between synthetic data and …

Migration techniques are an integral part of seismic imaging workflows. Least-squares
reverse time migration (LSRTM) overcomes some of the shortcomings of conventional …

In correlative least-squares reverse time migration (CLSRTM), the estimation of the optimal
step size is usually determined by fitting a parabola and finding its minimum; it involves at …

To increase the accuracy and vertical resolution of seismic inversion for exploratory
purposes, a new method was developed for P-wave velocity, S-wave velocity, and density …

A hybrid geometrical full waveform inversion (GFWI) method is presented in this article for
accurate ultrasonic defect characterisation using a phased array. The proposed method …

We carry out full waveform inversion (FWI) in time domain based on an alternative frequency-
band selection strategy that allows us to implement the method with success. This strategy …

Least-squares reverse time migration (LSRTM), an effective tool for imaging the structures of
the earth from seismograms, can be characterized as a linearized waveform inversion …

Distributed acoustic sensing (DAS) microseismic monitoring during hydraulic fracturing
provides microseismic data with high spatial samplings for fracturing zones. However …