NMR imaging of materials for transport properties
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United States of America Patent
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Jan 12, 1988
Grant Date -
N/A
app pub date -
Aug 13, 1985
filing date -
Aug 13, 1985
priority date (Note) -
Expired
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Abstract
NMR imaging methods are provided for determining spatial diffusion coefficients, formation resistivity factors, mean pore size, and permeability of a porous material. The imaging methods employ a constant magnetic field and two images are obtained for the material, one with a non-imaging gradient and one without a non-imaging gradient. These images are combined to produce diffusion coefficients.
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