| OIL | WATER |
|---|
| LaTeX Math Block |
|---|
| k_{row}(s_w) \bigg|_{ s_g =s_{gc}} = k_{rowc} \, \bigg[ \frac{ 1 - s_w - 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}} |
|
| current oil saturation, | LaTeX Math Inline |
|---|
| body | s_o + s_w = 1 - s_{gc} |
|---|
|
| | current water saturation |
| 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 | | maximum water relative permeability |
| oil relative permeability curvature to water displacement | | water relative permeability curvature to oil displacement |
Initial water saturation
maybe equal to critical
or less than critical
like for example for some
petroleogenetic rocks
|
| Fig. 1. Typical Oil-Water relative permeabilities |
See also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics
[ Permeability ] [ Absolute permeability ] [ Relative permeability ]
