Seismic wave dispersion and attenuation resulting from multiscale ...

In this study, the multiscale WIFF in partially saturated porous media, including global, 3-D mesoscopic and squirt flows, are investigated.

Numerical simulations demonstrate that the multiscale model can interpret the transition of rock states as frequency increases and capture the broad-band ...

Seismic wave dispersion and attenuation resulting from multi-scale ...

Wave-induced fluid flow in the pores causes energy loss through several mechanisms, and as a result attenuation is strongly frequency dependent.

Wave dispersion and attenuation due to multi-scale wave-induced ...

The complex heterogeneities of underground rocks will cause wave-induced fluid flows at different scales, which consequently leads to the wave velocity ...

Effects of multi-scale wave-induced fluid flow on seismic dispersion ...

Through the results of seismic velocity dispersion and attenuation at different incident angles, we find that the WIFF mechanism also has a ...

Wave dispersion and attenuation due to multi-scale wave-induced ...

From the Lagrange equations, the wave equations considering multi-scale wave induced fluid flow are further derived, which yields three P waves and one S wave.

Wave dispersion and attenuation due to multi-scale wave-induced ...

Wave dispersion and attenuation due to multi-scale wave-induced fluid flow in layered partially saturated pore-crack media.

Effect of Multiscale Cracks on Seismic Wave Propagation in Tight ...

Seismic wave attenuation and dispersion resulting from wave-induced flow in porous rocks — A review · T. MüllerB. GurevichM. Lebedev. Geology. 2010. One major ...

Effects of Pore Geometry and Saturation on the Behavior of ...

Compressional wave velocity and attenuation were estimated from the observed data. The results show that the velocity dispersion from seismic to ...

Wave dispersion and attenuation due to multi-scale wave-induced ...

Seismic wave attenuation and dispersion resulting from wave-induced flow in porous rocks — A review · T. MüllerB. GurevichM. Lebedev. Geology. 2010. One major ...

Characteristics of dispersion and attenuation with a unified ...

Based on our proposed method, the characteristics of the dispersion and attenuation of the multiscale fractured model are analyzed. The results ...

Characteristics of dispersion and attenuation with a unified ...

The Dispersion caused by the mesoscopic flow mainly occurs on the seismic frequency bands. (Müller et al., 2010). For a fluid-saturated fractured (or cracked) ...

Effect of Multiscale Cracks on Seismic Wave Propagation in Tight ...

Multiscale cracks exert an important influence on the dispersion and attenuation of broadband acoustic waves. To better understand the ...

Cross-Scale Dispersion and Attenuation of Seismic Waves in VTI ...

Summary When seismic waves propagate in fractured media, pressure gradients are generated through porous rocks containing fluids and cause ...

Characteristics of dispersion and attenuation with a unified ...

To analyze seismic wave field characteristics and characterize fracture (or crack) reservoirs, it is essential to build proper wave-induced fluid flow ...

How Seismic Attenuation Responds to fractures and fluids?

Seismic attenuation causes seismic wave propagation with amplitude loss and phase velocity dispersion. This coupled attenuation physics is essential and ...

Effect of Multiscale Cracks on Seismic Wave Propagation in Tight ...

As a result, the model provides good agreement with the measured P‐wave velocity dispersion, and the pore aspect ratio spectrum and crack radii are determined.

Experimental Study of Seismic Wave Attenuation in Carbonate Rocks

We suggested that multiple attenuation mechanisms coexist, including scattering, cracks slipping, solid frictional relative motion, and global ...

Multi-modal determination of Rayleigh wave dispersion ... - ISSMGE

Both the circle fit and half-power bandwidth method result in reliable attenuation curves of dominant modes. For other modes an alternative more robust measure ...

(PDF) Seismic wave attenuation and dispersion resulting from wave ...

Seismic wave attenuation and dispersion resulting from wave-induced flow in porous rocks — A review.