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→Porosity
===[[Porosity]]===
===[[Porosity]]===
The [[porosity]] (ϕ) in a reservoir zone can be determined from log and/or core data. The data in an individual well within the net pay interval can be averaged arithmetically and posted on a map for contouring. The averages should be weighted by thickness.
The porosity (ϕ) in a reservoir zone can be determined from log and/or core data. The data in an individual well within the net pay interval can be averaged arithmetically and posted on a map for contouring. The averages should be weighted by thickness.
===Water saturation===
===Water saturation===