Source: wikibot/archie-s-law
= Archie's law
{wiki=Archie's_law}
Archie's Law, formulated by the geophysicist Maurice Archie in 1942, is an important principle in petrophysics that describes the relationship between the electrical conductivity of a rock and its porosity and fluid saturation. Specifically, it provides a mathematical model to estimate the resistivity of saturated rocks based on their porosity and the resistivity of the pore fluids.