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....http://www.google.de/patents/US5387865?utm_source=gb-gplus-sharePatent US5387865 - Permeability determination from NMR relaxation measurements for fluids in porous media
