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Reservoir pressure of the gas phase 

LaTeX Math Inline
bodyp_g
:


3-phase Oil + Gas + Water fluid model


LaTeX Math Block
anchorOGW
alignmentleft
p_g= p + \frac{1}{3}(P_{cow}+P_{cog})



2-phase Gas + Water fluid model


LaTeX Math Block
anchorOW
alignmentleft
p_g= p - \frac{1}{2} \, P_{cow}



2-phase Gas + Water fluid model


LaTeX Math Block
anchorWG
alignmentleft
p_g= p - \frac{1}{2} \, P_{cgw}


where

LaTeX Math Inline
bodyp

Average phase pressure

LaTeX Math Inline
bodyP_{cow}

Oil-Water capillary pressure

LaTeX Math Inline
bodyP_{cog}

Oil-Gas capillary pressure




Reservoir pressure of the gas phase:

LaTeX Math Block
anchorpo
alignmentleft
p_g= p + \frac{1}{3}(P_{cow}-2P_{cog})

...

LaTeX Math Inline
bodyp

Average phase pressure

LaTeX Math Inline
bodyP_{cow}

Oil-Water capillary pressure

LaTeX Math Inline
bodyP_{cog}

Oil-Gas capillary pressure


See also

...

Natural Science / Physics /  Fluid Dynamics / Percolation / Phase pressure