Seismic Time‐Lapse Monitoring of Near‐Surface Microbubble Water Injection by Full Waveform Inversion

Full waveform inversion of crosswell seismic data using automatic differentiation

Full waveform inversion (FWI) is an effective and efficient data-fitting technique that has been widely used to produce accurate estimation of model parameters in Geophysics. The efficiency and accuracy of FWI are determined by the three main components: numerical solution for forward problem, gradient calculation and model update which usually involves the optimization method. The success of t...

Full waveform seismic inversion using a distributed system of computers

The aim of seismic waveform inversion is to estimate the elastic properties of the Earth’s subsurface layers from recordings of seismic waveform data. This is usually accomplished by using constrained optimization often based on very simplistic assumptions. Full waveform inversion uses a more accurate wave propagation model but is extremely difficult to use for routine analysis and interpretati...

A numerically exact local solver applied to salt boundary inversion in seismic full-waveform inversion

s 2013, pp. 5180–5184. Keys, R. & Weglein, A., 1983. Generalized linear inversion and the first born theory for acoustic media, J. Math. Phys., 24,

Image-guided full waveform inversion

Multiple problems, including high computational cost, spurious local minima, and solutions with no geologic sense, have prevented widespread application of full waveform inversion (FWI), especially FWI of seismic reflections. These problems are fundamentally related to a large number of model parameters and to the absence of low frequencies in recorded seismograms. Instead of inverting for all ...

Automating Seismic Waveform Analysis For Full 3-D Waveform Inversions