pore throat | Energy Glossary

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pore throat

1. n. [Formation Evaluation]

In an intergranular rock, the small pore space at the point where two grains meet, which connects two larger pore volumes. The number, size and distribution of the pore throats control many of the resistivity, flow and capillary-pressure characteristics of the rock.

See: effective porositymicroporositysmall-pore watertotal porosity