PO.FRAC.PKN.Pnet.SI


Description

Perkins-Kern-Nordgren (PKN) net fracturing pressure, [kPa] (SI units).

Formula

=LAMBDA(w, h, E, nu, LET( w_in, PO.UnitConverter(w, "cm", "in"), h_ft, PO.UnitConverter(h, "m", "ft"), E_psi, PO.UnitConverter(E, "kPa", "psi"), result_psi, PO.FRAC.PKN.Pnet(w_in, h_ft, E_psi, nu), PO.UnitConverter(result_psi, "psi", "kPa")))

Parameters

Parameter Unit Description
w cm Fracture width at wellbore, [cm]
h m Fracture height, [m]
E kPa Young's modulus, [kPa]
nu - Poisson's ratio, [dimensionless]

Examples

Invocation Expected
=PO.FRAC.PKN.Pnet.SI(2.54, 30.48, 20680000, 0.25) 9191.1111

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