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Factors that oppose hydrocarbon migration (view source)
Revision as of 23:20, 5 March 2014
, 23:20, 5 March 2014→Pore throats as sieves
==Pore throats as sieves==
==Pore throats as sieves==
Pore throats act as molecular sieves, allowing particles smaller than the orifice to pass and retaining larger particles. If seals were uniformly composed of the same pore throats, they would be perfect seals for compounds larger than the pore throat apertures.
Pore throats act as molecular sieves, allowing particles smaller than the orifice to pass and retaining larger particles. If seals were uniformly composed of the same pore throats, they would be perfect seals for compounds larger than the [[Pore and pore throat sizes|pore throat apertures]].
[[file:migration-of-petroleum_fig7-3.png|thumb|{{figure number|1}}]]
[[file:migration-of-petroleum_fig7-3.png|thumb|{{figure number|1}}]]