Permeability determination from NMR relaxation measurements for

Details Permeability determination from NMR relaxation measurements for Permeability determination from NMR relaxation measurements for

1991-09-20

1994-02-22

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using well logging device

324300, G01R 3320

Patent

active

052891240

ABSTRACT:
The present invention is a method to rapidly determine the fluid-flow permeability of porous media with nuclear magnetic resonance (NMR). The method can be applied to measurements of permeability in fluid-saturated earth formations using NMR logging tools.

REFERENCES:
patent: 4719423 (1988-01-01), Vinegar et al.
patent: 4728892 (1988-03-01), Vinegar et al.
patent: 4933638 (1990-06-01), Kenyon et al.
patent: 5023551 (1991-06-01), Kleinberg et al.
patent: 5055788 (1991-10-01), Kleinberg et al.

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