Producible fluid volumes in porous media determined by pulsed fi

Details Producible fluid volumes in porous media determined by pulsed fi Producible fluid volumes in porous media determined by pulsed fi

1995-06-23

1996-10-15

Tokar, Michael

Electricity: measuring and testing

Particle precession resonance

Using well logging device

324300, G01V 300

Patent

active

055657753

ABSTRACT:
The present invention is a method to determine the bound and free fluid index of fluids in porous media by pulsed field gradient (PFG) NMR diffusion measurements. The PFG NMR signal is evaluated using a two-fluid model that describes the self diffusion coefficients for the fluid fractions with low and high translational mobilities.

REFERENCES:
patent: 4719423 (1988-01-01), Vinegar et al.
patent: 5278501 (1994-01-01), Guilfoyle
patent: 5289124 (1994-02-01), Jerosch-Herold et al.
patent: 5387865 (1995-02-01), Jerosch-Herold et al.
patent: 5428291 (1995-01-01), Thomann et al.

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