Nuclear-magnetic-resonance diffusion simulations in porous media | INSTITUT DE PHYSIQUE DU GLOBE DE PARIS

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  Nuclear-magnetic-resonance diffusion simulations in porous media

Type de publication:

Journal Article

Source:

Journal of Applied Physics, Volume 97, Ticket 8 (2005)

ISBN:

0021-8979

Mots-clés:

Géomagnétisme ; Milieux poreux ; TRANSPORT; CONDUCTIVITY; PERMEABILITY; COEFFICIENT; SURFACE; PROBE; FLOW, UMR 7154

Résumé:

Nuclear-magnetic-resonance (NMR) diffusion simulations were performed numerically in unconsolidated and consolidated porous media. The curve of the apparent diffusion coefficient as a function of time was found to be a poor indicator of the pore structure. Various representations were tried to gather the data. A successful one uses a combination of surface-to-volume ratio, formation factor, and permeability; it can be used in different ways in order to derive these parameters from NMR measurements. (C) 2005 American Institute of Physics.

Notes:

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