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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Journal ArticleDOI
Quantitative log interpretation and uncertainty propagation of petrophysical properties and facies classification from rock-physics modeling and formation evaluation analysis
TL;DR: In this paper, a complete statistical workflow for obtaining petrophysical properties at the well location and the corresponding log-facies classification is proposed, based on traditional formation evaluation models and cluster analysis techniques, but it introduces a full Monte Carlo approach to account for uncertainty evaluation.
Journal ArticleDOI
The risks of long-term re-injection in supercritical geothermal systems
Francesco Parisio,Francesco Parisio,Víctor Vilarrasa,Wenqing Wang,Olaf Kolditz,Olaf Kolditz,Thomas Nagel,Thomas Nagel +7 more
TL;DR: It is shown that thermally-induced stress and strain effects dominate the geomechanical response of supercritical systems compared to pore pressure-related instabilities, and greatly enhance seismicity during cold water re-injection.
Journal ArticleDOI
Seismic wave attenuation and modulus dispersion in sandstones
James W. Spencer,Jacob Shine +1 more
TL;DR: In this paper, the effects of viscosity and permeability on modulus dispersion and attenuation in sandstones and also the effect of partial gas or oil saturation on velocities and attenuations were examined.
Journal ArticleDOI
Slow wavespeeds and fluid overpressure in a region of shallow geodetic locking and slow slip, Hikurangi subduction margin, New Zealand
TL;DR: In this paper, travel times recorded onshore from active-source marine seismic surveys were used to determine Hikurangi forearc wavespeeds in terms of compaction disequilibrium and compare seismic inferences of anomalously high porosity (>10%) with hydrostatic reference compaction models to show effective stress is low in both the north ( 27 ± 10 Mpa ) and south ( 36 ± 14 MPa ).
Journal ArticleDOI
On the effective stress law for rock-on-rock frictional sliding, and fault slip triggered by means of fluid injection
TL;DR: This work investigates both stable and unstable induced fault slip on pre-cut planar surfaces in Darley Dale and Pennant sandstones, with or without granular gouge, which display contrasting permeabilities.
References
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Book
An introduction to the bootstrap
Bradley Efron,Robert Tibshirani +1 more
TL;DR: This article presents bootstrap methods for estimation, using simple arguments, with Minitab macros for implementing these methods, as well as some examples of how these methods could be used for estimation purposes.
Book
Pattern Recognition and Machine Learning
TL;DR: Probability Distributions, linear models for Regression, Linear Models for Classification, Neural Networks, Graphical Models, Mixture Models and EM, Sampling Methods, Continuous Latent Variables, Sequential Data are studied.
Book
Theory of elasticity
TL;DR: The theory of the slipline field is used in this article to solve the problem of stable and non-stressed problems in plane strains in a plane-strain scenario.
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