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Multi-Component Acoustic Characterization of Porous Media

Part of the Springer Theses Book Series

DOI: 10.1007/978-3-642-34845-7

ISBN: 978-3-642-34844-0

Publisher: Springer Berlin Heidelberg - Springer Journals

Jan 11, 2013

1 - 9 of 9 Chapters

LitStream

Chapter 1Introduction

van Dalen, Karel N.

Pages: 1 –8

[The central theme in this thesis is the characterization of porous media by combining information of full acoustic waveforms as observed in different components (e.g., particle motion and fluid pressure). We focus on the mathematical description of interface wavemodes, their experimental...
LitStream

Chapter 2Governing Equations for Wave Propagation in a Fluid-Saturated Porous Medium

van Dalen, Karel N.

Pages: 9 –28

[In this chapter the governing equations for wave propagation in a fluid-saturated porous medium are derived and the involved physical mechanisms and acoustic parameters are discussed. It is shown that the stress-strain relations associated with Biot’s theory can be straightforward obtained from...
LitStream

Chapter 3Green’s Tensors for Wave Propagation in a Fluid-Saturated Porous Medium

van Dalen, Karel N.

Pages: 29 –52

[We derive the infinite-space Green’s tensors (the impulse responses) for wave propagation in a fluid-saturated porous medium by straightforward application of the Fourier transform. Low- and high-frequency approximations and numerical examples are used to illustrate the frequency dependence of...
LitStream

Chapter 4On Wavemodes at the Interface of a Fluid and a Fluid-Saturated Poroelastic Solid

van Dalen, Karel N.

Pages: 53 –78

[Pseudo interface waves can exist at the interface of a fluid and a fluid-saturated poroelastic solid. These waves are typically related to the pseudo-Rayleigh pole and the pseudo-Stoneley pole in the complex slowness plane. It is found that each of these two poles can contribute (as a residue)...
LitStream

Chapter 5Pseudo Interface Waves Observed at the Fluid/Porous-Medium Interface: A Comparison of Two Methods

van Dalen, Karel N.

Pages: 79 –102

[At the fluid/porous-medium interface the pseudo-Rayleigh (pR) and pseudo-Stoneley (pSt\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek}...
LitStream

Chapter 6Impedance and Ellipticity of Fluid/Elastic-Solid Interface Waves: Medium Characterization and Simultaneous Displacement–Pressure Measurements

van Dalen, Karel N.

Pages: 103 –127

[The interface-wave impedance and ellipticity are wave attributes that interrelate the full waveforms as observed in different components. For each of the fluid/elastic-solid interface waves, i.e., the pseudo-Rayleigh (pR\documentclass[12pt]{minimal} \usepackage{amsmath}...
LitStream

Chapter 7Impedance and Ellipticity of Fluid/Porous-Medium Interface Waves: Medium Characterization and Simultaneous Displacement–Pressure Measurements

van Dalen, Karel N.

Pages: 129 –146

[The framework introduced in Chap. 6 is extended to the fluid/ porous-medium interface waves, both in view of the parameter estimation from full-waveform attributes, and of the two-component detection and extraction of impedances. We find that the impedance and ellipticity of each of the...
LitStream

Chapter 8In-Situ Permeability from Integrated Poroelastic Reflection Coefficients

van Dalen, Karel N.

Pages: 147 –155

[A reliable estimate of the in-situ permeability of a porous layer in the subsurface is extremely difficult to obtain. We have observed that at the field seismic frequency band the poroelastic behavior for different seismic wavemodes can differ in such a way that their combination gives unique...
LitStream

Chapter 9Conclusions

van Dalen, Karel N.

Pages: 157 –159

[This chapter summarizes the conclusions of the thesis.]

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