A squirt-flow theory to model wave anelasticity in rocks containing compliant microfractures
Sign Up to like & getrecommendations! Published in 2020 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2020.106450
Abstract: Abstract Wave propagation in rocks induces fluid pressure gradients and flow between stiff intergranular pores and compliant microfractures. This, in turn, leads to wave anelasticity, i.e., attenuation and velocity dispersion. Three known squirt-flow models attempt… read more here.
Keywords: wave anelasticity; compliant microfractures; model; flow theory ... See more keywords
Simulating squirt flow in realistic rock models using Graphical Processing Units (GPUs)
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Journal International"
DOI: 10.1093/gji/ggae152
Abstract: Understanding the underlying mechanisms of seismic attenuation and moduli dispersion in fluid-saturated cracked porous rocks is of great importance for the development of non-invasive methods to characterize the subsurface. Wave-induced fluid flow at the pore… read more here.
Keywords: squirt flow; processing units; graphical processing; attenuation ... See more keywords
Squirt flow in porous media saturated by Maxwell-type non-Newtonian fluids.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.103.023101
Abstract: Mechanical waves, which are commonly employed for the noninvasive characterization of fluid-saturated porous media, tend to induce pore-scale fluid pressure gradients. The corresponding fluid pressure relaxation process is commonly referred to as squirt flow and… read more here.
Keywords: squirt flow; saturated maxwell; non newtonian; porous media ... See more keywords
Forced oscillation measurements of seismic wave attenuation and stiffness moduli dispersion in glycerine‐saturated Berea sandstone
Sign Up to like & getrecommendations! Published in 2018 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12710
Abstract: 13 Fluid pressure diffusion occurring on the microscopic scale is believed to be a significant 14 source of intrinsic attenuation of seismic waves propagating through fully saturated porous 15 rocks. The so-called squirt flow arises… read more here.
Keywords: glycerine saturated; oscillation; saturated berea; squirt flow ... See more keywords
A dynamic elastic model for squirt-flow effect and its application on fluid-viscosity-associated velocity dispersion in reservoir sandstones
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/geo2019-0312.1
Abstract: Velocity dispersion is a common phenomenon for fluid-charged porous rocks and carries important information on the pore structure and fluid in reservoir rocks. Previous ultrasonic experiments had measured more significant non-Biot velocity dispersion on saturated… read more here.
Keywords: fluid; squirt flow; flow effect; velocity ... See more keywords
Digital rock physics applied to squirt flow
Sign Up to like & getrecommendations! Published in 2021 at "GEOPHYSICS"
DOI: 10.1190/geo2020-0731.1
Abstract: We have developed a workflow for computing the seismic-wave moduli dispersion and attenuation due to squirt flow in a numerical model derived from a micro X-ray computed tomography image of cracked (through thermal treatment) Carrara… read more here.
Keywords: squirt flow; digital rock; physics; rock physics ... See more keywords