Target-oriented time-lapse waveform inversion using deep learning-assisted regularization
Detection of the property changes in the reservoir during injection and production is
important. However, the detection process is very challenging using surface seismic surveys …
important. However, the detection process is very challenging using surface seismic surveys …
Nonrepeatability effects on time-lapse 4D seismic full-waveform inversion for ocean-bottom node data
Full-waveform inversion (FWI) can be applied to time-lapse (4D) seismic data for subsurface
reservoir monitoring. However, nonrepeatability (NR) issues can contaminate the data and …
reservoir monitoring. However, nonrepeatability (NR) issues can contaminate the data and …
Bayesian variational time-lapse full waveform inversion
Time-lapse seismic full-waveform inversion (FWI) provides estimates of dynamic changes in
the Earth's subsurface by performing multiple seismic surveys at different times. Since FWI …
the Earth's subsurface by performing multiple seismic surveys at different times. Since FWI …
Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators
Seismic monitoring of carbon storage sequestration is a challenging problem involving both
fluid-flow physics and wave physics. Additionally, monitoring usually requires the solvers for …
fluid-flow physics and wave physics. Additionally, monitoring usually requires the solvers for …
Iterated extended Kalman filter method for time‐lapse seismic full‐waveform inversion
Time‐lapse seismic data is useful for identifying fluid movement and pressure and saturation
changes in a petroleum reservoir and for monitoring of CO2 injection. The focus of this paper …
changes in a petroleum reservoir and for monitoring of CO2 injection. The focus of this paper …
Time-lapse full-waveform inversion with ocean-bottom-cable data: Application on Valhall field
Knowledge of changes in reservoir properties resulting from extracting hydrocarbons or
injecting fluid is critical to future production planning. Full-waveform inversion (FWI) of time …
injecting fluid is critical to future production planning. Full-waveform inversion (FWI) of time …
Central-difference time-lapse 4D seismic full-waveform inversion
Repeated seismic surveys contain valuable information regarding time-lapse (4D) changes
in the subsurface. Full-waveform inversion (FWI) of seismic data can provide high-resolution …
in the subsurface. Full-waveform inversion (FWI) of seismic data can provide high-resolution …
Localized time-lapse elastic waveform inversion using wavefield injection and extrapolation: 2-D parametric studies
We present a methodology to invert seismic data for a localized area by combining source-
side wavefield injection and receiver-side extrapolation method. Despite the high resolving …
side wavefield injection and receiver-side extrapolation method. Despite the high resolving …
Bayesian weighted time-lapse full-waveform inversion using a receiver-extension strategy
SLEF Da Silva, A Karsou, RM Moreira… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Time-lapse full-waveform inversion (FWI) has become a powerful tool for characterizing and
monitoring subsurface changes in various geophysical applications. However …
monitoring subsurface changes in various geophysical applications. However …
Data-assimilated time-lapse visco-acoustic full-waveform inversion: Theory and application for injected CO2 plume monitoring
Continuous seismic monitoring for quantifying CO2 plume migration and detection of any
potential leakages in the subsurface is essential for the security of long-term anthropogenic …
potential leakages in the subsurface is essential for the security of long-term anthropogenic …