Anderson B.I., Ph.D. thesis, Delft University of Technology, 2001.
Country - The Netherlands.
386 pages.
ISBN 90-407-2231-5ContentsIntroduction
Overview of the thesis
ntroduction to well logging
Computer modeling in log interpretation
Anisotropy in log interpretation
nversion in layered anisotropic media
Electromagnetic relations for logging
Overview of logging environments
Borehole effect
Coaxial layers; invasion
Thin beds (bed boundary discontinuities)
nvaded thin beds
Dipping beds
D geometries; horizontal wells
Anisotropy in layered media; laminated formations
Description of logging tool configurations
Electromagnetic field equations and notation
Time domain equations
Frequency domain equations
Anisotropic media; the conductivity tensor
Boundary conditions
Transform for axisymmetric configurations
Electrical well-logging measurements
What do resistivity tools measure
nduction tools
Two-coil sonde response
Early induction tools; focused sondes
FF40 and the Dual Induction tool; a standard is set
Phasor processing and deconvolution
Array Induction Tool (AIT)
Russian induction tools
Propagation tools
MHz tools for logging while drilling
Deep Propagation Tool (DPT)
Electromagnetic Propagation Tool (EPT)
Electrode (laterolog) tools
The Normal
The Lateral
Russian BKZ tools
Laterolog 7 (LL7)
Laterolog 3 (LL3)
Laterolog 8 (LL8)
The Dual Laterolog tool (DLT)
The Spherically Focused Log (SFL)
High Resolution Laterolog Array (HRLA)
Microresistivity tools
The Microlog
The MicroLaterolog
The Proximity log
The MicroSpherically Focused Log (MSFL)
maging tools
Formation MicroScanner (FMS)
Azimuthal Resistivity Imager (ARI)
Resistivity-At-the-Bit tool (RAB)
Oil-Base MicroImager tool (OBMI)
Resistivity through casing
Modeling of tool response
Analytical methods
Doll’s induction geometrical factor theory
nduction skin effect in homogeneous media
nduction real axis, spectral integration
The induction Born response function
Laterolog response
Numerical methods
The finite element method
The finite difference method
Hybrid methods
Fast semi-analytic (mode matching)
With/without skin effect hybrid
Glossary of computer codes
nduction codes
Laterolog codes
Using modeling in log interpretation
Relating resistivity logs to rock physics
Early 1D plus 1D inversion efforts
Deconvolution and boosting
Correction chartbooks and departure curves
A 2D iterative forward modeling case study
A least squares inversion example in thin beds
Parametric inversion
ntroduction
Forward modeling
MHz inversion in layered media
MHz tool response in anisotropic media
The inversion algorithm
MHz inversion results
Triaxial inversion in layered media
Triaxial tool response in some limiting cases
Triaxial inversion results
Summary and future plans
Bibliography
Summary
Samenvatting
About the author
Acknowledgments
Index
