Seismic attenuation estimation via unscaled time–frequency representation and divergence
N Liu, S Wei, R Liu, Y Yang, N Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Time–frequency (TF) representations achieve better TF localization properties compared
with Fourier transform (FT) and perform well for estimation via methods such as spectral ratio …
with Fourier transform (FT) and perform well for estimation via methods such as spectral ratio …
Sparse time-frequency analysis of seismic data via convolutional neural network
Time-frequency (TF) analysis is commonly used to reveal the local properties of seismic
signals, such as frequency and spectral contents varying with time/depth. Aiming to realize a …
signals, such as frequency and spectral contents varying with time/depth. Aiming to realize a …
The Kernel-based Regression for Seismic Attenuation Estimation on Wasserstein Space
Seismic attenuation, parameterized as quality factor Q, holds great significance in
enhancing seismic resolution and reservoir characterization. Most methods for estimating Q …
enhancing seismic resolution and reservoir characterization. Most methods for estimating Q …
Multiscale recurrent-guided denoising network for distributed acoustic sensing-vertical seismic profile background noise attenuation
In recent years, distributed optical fiber acoustic sensing (DAS) has emerged as a novel
seismic acquisition technique. Compared with conventional hydrophones and geophones of …
seismic acquisition technique. Compared with conventional hydrophones and geophones of …
Multiple-frequency attribute blending via adaptive uniform manifold approximation and projection and its application on hydrocarbon reservoir delineation
Multifrequency attribute blending is a highly effective tool for characterizing hydrocarbon
reservoirs. It begins by extracting multifrequency attributes of seismic data based on time …
reservoirs. It begins by extracting multifrequency attributes of seismic data based on time …
Improving seismic resolution based on enhanced multi-channel variational mode decomposition
The attenuation and dispersion of seismic waves change with frequency. So, it is
unreasonable to compensate absorption and attenuation using the full-frequency band …
unreasonable to compensate absorption and attenuation using the full-frequency band …
Sparse unscaled time-frequency transform and its application on seismic attenuation delineation
Seismic attenuation can be qualitatively delineated by the difference between low-and high-
frequency components before and after attenuation. Time-frequency (TF) transform is a …
frequency components before and after attenuation. Time-frequency (TF) transform is a …
Q estimation via the discriminant method based on error modeling
Seismic attenuation is one of the crucial attributes for seismic resolution enhancement and
reservoir characterization, which is often described by quality factor Q. Among the commonly …
reservoir characterization, which is often described by quality factor Q. Among the commonly …
Multifrequency Analysis via LTSA and Its Application on Carbonate Reservoir Delineation
R Liu, R Guo, N Liu, G Zhu, X Liu… - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Multifrequency analysis is an effective tool for seismic data interpretation, such as fluvial
channel characterization and sand bodies interpretation. Due to the broadband and …
channel characterization and sand bodies interpretation. Due to the broadband and …
Post-migration seismic data conditioning workflow on a merged dataset
Analyzing amplitude anomalies in seismic data requires a comprehensive understanding of
the geological context and the accuracy of the seismic image. Over the past four decades …
the geological context and the accuracy of the seismic image. Over the past four decades …