J-Function - the application of......

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Hi friends,
i want to find a good curve to mach between Sw and Pc,
i have some information to calculate Pc.
dose anyone have experience in this topic?
please help.
Regards

[oxygen21]

Can anyone explain to me whether I can use same water satuation value to multiple layers system which has same lithology (J function).
If not, how to find the Sw for each layers? I have Pc , J, permeability , porosity values.
Thanks