A property characterising characterizing agility of the fluid
-phase under
pressure gradient with account of
reservoir permeability and
dynamic fluid viscosity:
LaTeX Math Block |
---|
|
\left<M_\alpha(s) = \frac{k_\alpha}{\mu_\alpha} \right> = \frac{k_{air} \cdot k_{r \alpha}}{\mu_\alpha} = k_{air} \cdot M_{r\alpha}(s) |
where
LaTeX Math Inline |
---|
body | \displaystyle k_\alpha(s) |
---|
|
| |
---|
LaTeX Math Inline |
---|
body | \displaystyle \mu_\alpha |
---|
|
| |
---|
LaTeX Math Inline |
---|
body | \displaystyle k_{air} |
---|
|
| absolute permeability to air |
---|
LaTeX Math Inline |
---|
body | \displaystyle M_{r\alpha}(s) = \frac{k_{r \alpha}}{\mu_\alpha} |
---|
|
| relative phase mobility |
---|
LaTeX Math Inline |
---|
body | \displaystyle k_{r\alpha}(s) |
---|
|
| |
---|
| reservoir saturation LaTeX Math Inline |
---|
body | \sum_\alpha s_{\alpha} = 1 |
---|
| , -phase saturation |
---|
In most practical popular case of a 3-phase fluid model this will be:
displaystyle \left< | |
LaTeX Math Inline |
---|
body | \displaystyle M_o = \frac{k_o}{\mu_o} |
---|
|
|
\right> to oil \left< \right> to gas \left< \right> mobility to water See also
...
Physics / Fluid Dynamics / Percolation
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling
[ Petrophysics ] [ Basic reservoir properties ] [ Permeability ] [ Absolute permeability ] [Relative permeability] [ Wettability ] [ Phase mobility ] [ Relative phase mobilities ]
[ Multihase Fluid Mobility ]