ICP=33 Parker 3-phase function, alternative 2

ICP = 33 as ICP = 31, except that the capillary pressures are modified for small gas saturations to reduce the derivative.

If SlS_l + SnS_n > 0.99,

Pcgn=Pcgn1−Sl−Sn0.01{P_{cgn}}\quad = \quad {P_{cgn}}\frac{{1 - {S_l} - {S_n}}}{{0.01}}

If SlS_l > 0.99,

Pcnl=Pcnl1−Sl0.01{P_{cnl}}\quad = \quad {P_{cnl}}\frac{{1 - {S_l}}}{{0.01}}

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