Open AccessBook
The Rock Physics Handbook: Tools for Seismic Analysis of Porous Media
TLDR
In this article, the authors present basic tools for elasticity and Hooke's law, effective media, granular media, flow and diffusion, and fluid effects on wave propagation for wave propagation.Abstract:
Preface 1. Basic tools 2. Elasticity and Hooke's law 3. Seismic wave propagation 4. Effective media 5. Granular media 6. Fluid effects on wave propagation 7. Empirical relations 8. Flow and diffusion 9. Electrical properties Appendices.read more
Citations
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Empirical relations between elastic wavespeeds and density in the Earth's crust
TL;DR: A compilation of compressional-wave (V p) and shear-wave velocities and densities for a wide variety of common lithologies is used to define new nonlinear, multivalued, and quantitative relations between these properties for the Earth's crust as mentioned in this paper.
Journal ArticleDOI
Physical properties of hydrate-bearing sediments
William F. Waite,J. C. Santamarina,Douglas D. Cortes,Brandon Dugan,David N Espinoza,John T. Germaine,Jaewon Jang,Jongwon Jung,Timothy J. Kneafsey,H. Shin,Kenichi Soga,William J. Winters,Tae Sup Yun +12 more
TL;DR: A review of the current understanding of phenomena involved in gas hydrate formation and the physical properties of hydrate-bearing sediments can be found in this paper, where the magnitudes and interdependencies of these properties are critically important for predicting and quantifying macroscale responses of hydrates to changes in mechanical, thermal, or chemical boundary conditions.
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Digital rock physics benchmarks-part II: Computing effective properties
Heiko Andrä,Nicolas Combaret,Jack Dvorkin,Erik Glatt,Junehee Han,Matthias Kabel,Youngseuk Keehm,Fabian Krzikalla,Minhui Lee,Claudio Madonna,Mike Marsh,Tapan Mukerji,Erik H. Saenger,Ratnanabha Sain,Nishank Saxena,Sarah Ricker,Andreas Wiegmann,Xin Zhan +17 more
TL;DR: This analysis provides the DRP community with a range of possible outcomes which can be expected depending on the solver and its setup, and falls within the ranges consistent with the relevant laboratory data.
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The brittle-ductile transition in porous rock: A review
Teng-fong Wong,Patrick Baud +1 more
TL;DR: In this article, Bifurcation analysis can be used in conjunction with a constitutive model to predict the onset of strain localization, which is in qualitative agreement with the laboratory data.
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Computation of linear elastic properties from microtomographic images: Methodology and agreement between theory and experiment
TL;DR: In this article, the elastic properties of the digitized images under dry, water-saturated, and oil -saturated conditions were derived from a suite of four samples of Fontainebleau sandstone with porosities ranging from 7.5% to 22%.
References
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A simple derivation of the effective stress coefficient for seismic velocities in porous rocks
TL;DR: The effect of confining stress and pore pressure on seismic velocities is important for such geophysical applications as overpressure prediction from seismic data (Eaton, 1975, Dutta, 2002; Huffman, 2002, Sayers et al., 2002) and, more recently, for hydrocarbon production monitoring using time-lapse seismic measurements (Tura and Lumley, 1999; Landr⊘, 2001).
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Saturation, pore pressure and effective stress from sandstone acoustic properties
TL;DR: In this paper, the Biot effective stress coefficient was used to measure the relationship between velocity and different Vp/Vs ratios in saturated and dry sandstones under varying pore pressure, and it was shown that higher velocity is caused by loss of compliance in microfractures due to stiffening by increasing fluid pressure.
Book
Acoustics of solids
TL;DR: In this paper, the authors consider the problem of wave-obstacle interactions in anisotropic media and propose an approach for the analysis of the effective response in fiber composites.
Journal ArticleDOI
Geoacoustic modeling of deep‐sea carbonate sediments
TL;DR: In this paper, physical and acoustic properties of 269 DSDP core samples representing a complete ooze-chalk-limestone sequence on the Ontong-Java Plateau (sites 288 and 289) and a sequence of clay-rich carbonate sediments in the Coral Sea Basin (site 210).
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A variational approach to the theory of the elastic behaviour of multiphase materials
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