Porosity (P) Where V P is the total volume of pore space and V T is the total volume of rock or sediment. The proportion of any material that is void space, expressed as a percentage of the total volume of material. In practice, porosity is commonly based on measurement of the total grain volume of a granular material: Where V G is the total volume of grains within the total volume of rock or sediment. 100 P T V P V 100 T G T V V P V P T G V V V
5 Porosity & Permeability
Jan 31, 2016
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I. Porosity (P)
100P
T
VP
V Where VP is the total volume of pore space
and VT is the total volume of rock or sediment.
The proportion of any material that is void space, expressed as a percentage of the total volume of material.
In practice, porosity is commonly based on measurement of the total grain volume of a granular material:
100T G
T
V VP
V
Where VG is the total volume of grains within the total volume of rock or sediment.
P T GV V V
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