NMR in Porous Media. Principles and Applications

  • ID: 3189264
  • Book
  • 375 Pages
  • John Wiley and Sons Ltd
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Written by a pioneer in the field, this is the only book to deal in a comprehensive and focused manner with NMR –– beyond imaging –– in porous media. As such it covers, specifically related to porous media, the basics of magnetic resonance and magnetic resonance imaging, relaxation and diffusion theory and experiments, flow and dispersion, and NMR instrumentation. In addition, it provides instructions on the interpretation of NMR data and introduces readers to simulation methods and their mathematical foundations. A dedicated chapter on NMR well–logging illustrates in detail this particularly important application and explains the underlying principles and methodologies.

The result is a knowledge base for actual users of NMR methods as well as for industrial developers and academic researchers, including graduate and PhD students.

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INTRODUCTION TO POROUS MEDIA

Sedimentary rocks and geology

Cements and concretes

Biological tissues

Model porous media

INTRODUCTION OF MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGING

NMR essentials

Spin dynamics and theory of relaxation

Theory of diffusion and relaxation of chain molecules and polymers

Surface–mediated spin relaxation

Magnetic field gradient, diffusion and imaging

Field–Cycling NMR

Earth field NMR and Magnetic Resonance Sounding

THEORY OF RELAXATION IN A DIFFUSION SYSTEM

Torrey–Bloch equation

Brownstein–Tarr theory

Eigen solutions, symmetry, and quantum mechanical analogy

Connected pores

Two–dimensional relaxation spectroscopy

DIFFUSION IN POROUS MEDIA

Closed systems

Open systems

Time–dependent diffusion

Pore systems with permeable membrane

Diffusive scattering

DIFFUSION AND RELAXATION CORRELATION EXPERIMENTS

Early experiments

Two–dimensional NMR of relaxation and diffusion

2D NMR to separate contributions from multi–phase fluid

2D NMR to study complex diffusion dynamics

INTERNAL MAGNETIC FIELD IN POROUS MEDIA

History

Model systems

Field correlation function

Diffusion in internal field

Internal–field free experiments

DISPERSION

Theory and simulation

Experimental tests

Remotely detected NMR

NMR WELL–LOGGING

History

Petrophysics

Characterization of fluid inside a porous medium

Characterization of the pore structure

NMR INSTRUMENTATION

NMR magnet design using permanent magnets, theory

Magnet shimming techniques

Measurement of a moving sample

NMR IN GROSSLY INHOMOGENEOUS FIELDS: THEORY, COMPOSITE PULSES, ADIABATIC, RF SHIMMING

Spin nutation in inhomogeneous magnetic field

Coherence pathways and phase cycling

CPMG in inhomogeneous field

Composite pulses and adiabatic pulses

Z–rotation and RF shimming

LAPLACE INVERSION

Ill–conditioned inversion problems

Regularization algorithms

Resolution and error propagation

Monte Carlo inversion

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Yi–Qiao Song
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