Changes

==Diffusion time vs. distance==

==Diffusion time vs. distance==

[[file:migration-of-petroleum_fig7-5.png|300px|thumb|{{figure number|2}}The time it takes a light hydrocarbon to diffuse a given distance and reach a concentration level equal to half the concentration of a nondepleted source. Copyright: Krooss (1987);{{citation needed}} courtesy Institute Français du Petrole.]]

[[file:migration-of-petroleum_fig7-5.png|300px|thumb|{{figure number|2}}The time it takes a light hydrocarbon to diffuse a given distance and reach a concentration level equal to half the concentration of a nondepleted source. Copyright: Krooss;<red name=Krooss1987>Krooss, B. M., 1987, Experimental investigation of the diffusion of low-molicular weight hydrocarbons in sedimentary rocks, in B. Doligez, ed., Migration of Hydrocarbons in Sedimentary Basins: 2nd IFP Expl. Res. Conference Proceedings, p. 329–351.</ref> courtesy Institute Français du Petrole.]]

The time it takes a light hydrocarbon to diffuse a given distance and reach a concentration level equal to half the concentration of a nondepleted source is shown in [[:file:migration-of-petroleum_fig7-5.png|Figure 2]].

The time it takes a light hydrocarbon to diffuse a given distance and reach a concentration level equal to half the concentration of a nondepleted source is shown in [[:file:migration-of-petroleum_fig7-5.png|Figure 2]].