Rock physics modeling of acoustic properties in gas hydrate-bearing sediment

L Zhan, B Liu, Y Zhang, H Lu - Journal of Marine Science and …, 2022 - mdpi.com
Gas hydrates (GH) are well known to have an influential effect on the velocity and
attenuation of gas hydrate-bearing sediments (GHBS). Based on rock physics modeling …

The interconnected magmatic plumbing system of the Natron Rift

MC Reiss, L De Siena… - Geophysical Research …, 2022 - Wiley Online Library
Understanding the magmatic plumbing system of rift volcanoes is essential when examining
the interplay between magmatic and tectonic forces. Recent seismicity, volcanic activity …

Seismic attenuation in partially saturated Berea sandstone submitted to a range of confining pressures

S Chapman, N Tisato, B Quintal… - Journal of Geophysical …, 2016 - Wiley Online Library
Using the forced oscillation method, we measure the extensional‐mode attenuation and
Young's modulus of a Berea sandstone sample at seismic frequencies (0.5–50 Hz) for …

Seismic dispersion and attenuation in fluid‐saturated carbonate rocks: effect of microstructure and pressure

JVM Borgomano, LX Pimienta, J Fortin… - … Research: Solid Earth, 2019 - Wiley Online Library
The frequency dependence of seismic properties of fully saturated rocks can be related to
wave‐induced fluid flows at different scales. The elastic dispersion and attenuation of four …

Seismic wave attenuation and dispersion due to partial fluid saturation: Direct measurements and numerical simulations based on X‐ray CT

S Chapman, JVM Borgomano, B Quintal… - Journal of …, 2021 - Wiley Online Library
Quantitatively assessing seismic attenuation caused by fluid pressure diffusion (FPD) in
partially saturated rocks is challenging because of its sensitivity to the spatial fluid …

Source and dynamics of a volcanic caldera unrest: Campi Flegrei, 1983–84

L De Siena, G Chiodini, G Vilardo, E Del Pezzo… - Scientific reports, 2017 - nature.com
Despite their importance for eruption forecasting the causes of seismic rupture processes
during caldera unrest are still poorly reconstructed from seismic images. Seismic source …

Theoretical modeling insights into elastic wave attenuation mechanisms in marine sediments with pore‐filling methane hydrate

H Marín‐Moreno, SK Sahoo… - Journal of Geophysical …, 2017 - Wiley Online Library
The majority of presently exploitable marine methane hydrate reservoirs are likely to host
hydrate in disseminated form in coarse grain sediments. For hydrate concentrations below …

Hydrothermal fluids and where to find them: Using seismic attenuation and anisotropy to map fluids beneath Uturuncu volcano, Bolivia

TS Hudson, JM Kendall, JD Blundy… - Geophysical …, 2023 - Wiley Online Library
Mapping fluid accumulation in the crust is pertinent for numerous applications including
volcanic hazard assessment, geothermal energy generation, and mineral exploration. Here …

Elastic dispersion and attenuation in fully saturated sandstones: Role of mineral content, porosity, and pressures

L Pimienta, JVM Borgomano, J Fortin… - … Research: Solid Earth, 2017 - Wiley Online Library
Because measuring the frequency dependence of elastic properties in the laboratory is a
technical challenge, not enough experimental data exist to test the existing theories. We …

Role of pressure and pore microstructure on seismic attenuation and dispersion of fluid-saturated rocks: laboratory experiments and theoretical modelling

YX He, S Wang, B Xi, G Tang, H Yin… - Geophysical Journal …, 2022 - academic.oup.com
Understanding the effects of pressure and rock microstructure on seismic elastic properties
of fully saturated rocks is of considerable importance in a range of geophysical applications …