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| OIL | WATER |
|---|
| LaTeX Math Block |
|---|
| k_{row}(s_w) \bigg|_{ s_g =s_{gc}}o) } = k_{rowc} \, \bigg[ \frac{ 1 - s_wo - s_{orw} }{ 1- s_{wi} - s_{orw} } \bigg]^{n_{ow}} |
|
| LaTeX Math Block |
|---|
| k_{rwo}(s_w) \bigg|_{ s_g =s_{gc}} = k_{rwoc} \, \bigg[
\frac{ s_w - s_{wi} }{ 1- s_{wi} - s_{orw} } \bigg]^{n_{wo}} |
|
| | | s_o + | = 1 - s_{gc} | current water saturation, | {gc} |
| residual gas saturation to oil displacement | | initial water saturation | | residual oil saturation to water displacement, below which oil is immobile | | critical water saturation to oil displacement, below which water is immobile |
| maximum oil relative permeability during water displacement | | maximum water relative permeability during oil displacement |
| oil relative permeability curvature to water displacement | | water relative permeability curvature to oil displacement |
where Initial water saturation
is initial water saturation which maybe equal to critical
or less than critical
like for example
for some in petroleogenetic rocks.
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