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[[Porosity]] consists of relatively large voids, or pores, distributed among smaller passages called pore throats. A pore system is an aggregate of pores and pore throats that shares a similar morphology. These elements play a role in determining [[reservoir]] and [[seal]] petrophysics (the characteristic way that oil, gas, and water move through rocks). [[:file:predicting-reservoir-system-quality-and-performance_fig9-9.png|Figure 1]] shows typical 3-D pore system geometries found in intergranular, intercrystalline, vuggy, or fractured rocks.

[[Porosity]] consists of relatively large voids, or pores, distributed among smaller passages called pore throats. A pore system is an aggregate of pores and pore throats that shares a similar morphology. These elements play a role in determining [[reservoir]] and [[seal]] petrophysics (the characteristic way that oil, gas, and water move through rocks). [[:file:predicting-reservoir-system-quality-and-performance_fig9-9.png|Figure 1]] shows typical 3-D pore system geometries found in intergranular, intercrystalline, vuggy, or fractured rocks.

[[file:predicting-reservoir-system-quality-and-performance_fig9-9.png|left|300px|thumb|{{figure number|1}}. Copyright: Coalson et al., 1994; courtesy RMAG.]]

[[file:predicting-reservoir-system-quality-and-performance_fig9-9.png|left|300px|thumb|{{figure number|1}}Typical 3-D pore system geometries found in intergranular, intercrystalline, vuggy, or fractured rocks. Copyright: Coalson et al.;<ref>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers in carbonate rocks, in J.C. Dolson, M.L. Hendricks, and W.A. Wescott, eds., Unconformity Related Hydrocarbons in Sedimentary Sequences: RMAG Guidebook for Petroleum Exploration and Exploitation in Clastic and Carbonate Sediments, p. 45–58.</ref> courtesy RMAG.]]

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* [[Pore throat size and connectivity]]

* [[Pore throat size and connectivity]]

* [[Capillary pressure (Pc) curves: pore throat size determination]]

* [[Capillary pressure (Pc) curves: pore throat size determination]]

==External links==

==External links==