Reservoir Engineering
Porosity Vs Permeability
Porosity
Characterizes the storage capacity.
Does not depend on pore size.
Does depend on pore-size distribution.
A scalar quantity.
Permeability
Characterizes the reservoir transmissivity.
Depends on pore-size (non-linearly).
A tensor quantity.
Caution
In both cases, we do require pore-size details.
But, what we use is grain size details.
If so, then, permeability be directly correlated with Porosity, even, in Sandstone Reservoirs (leaving aside Fractured/Carbonate Reservoirs)?
Suresh Kumar Govindarajan
Professor (HAG) IIT Madras
https://home.iitm.ac.in/gskumar/
https://iitm.irins.org/profile/61643
30-July-2024
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