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Volumetric share of petroleum fluids saturating porous reservoirshares of petroleum fluids phases 

LaTeX Math Inline
bodyV_\alpha
 saturating effective pore volume 
LaTeX Math Inline
bodyV_\phi
:


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anchor

...

5G704
alignmentleft
s_

...

\alpha = \frac{V_\alpha}{V_\phi}



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anchor40DF2
alignmentleft
\sum_\alpha V_\alpha = V_\phi



LaTeX Math Block
anchorENY76
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\sum_\alpha s_\alpha = 1



whereIn most popular case of a 3-phase fluid model this will be:

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anchor

...

swog
alignmentleft
s_w + s_o + s_g = 1

where

= \frac{V_w}{V_\phi}

volumetric share of water

left \frac{V}V_phileft \frac{V}V_phi

volumetric share of gas

LaTeX Math Inline
bodys_w = s_w({\bf r})

water phase saturation at reservoir location

LaTeX Math Inline
body\bf r

LaTeX Math Inline
body

LaTeX Math Block
anchorsw
alignment

s_o

=

s_o

({

\

bf r})

volumetric share of oil

LaTeX Math Block
anchorsw
alignment

oil phase saturation at reservoir location

LaTeX Math Inline
body\bf r

LaTeX Math Inline
bodys_g

=

s_g

({

\

bf r})

gas phase saturation at reservoir location

LaTeX Math Inline
body\bf r


See Also

...

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics / Volumetric Rock Model (VRM)

Basic reservoir properties ]