SHF Capillary pressure @model

One of the SHF models:

(1)	$\begin{array}{l}\displaystyle s_w(h)=P_{cow}^{-1}[(\rho_w -\rho_o) g (h-h_{FWL})]\end{array}$

based on implicit solution of the constant pressure gradient equation:

(2)	$\begin{array}{l}\displaystyle (\rho_w -\rho_o) \cdot g \cdot (h-h_{FWL}) = P_{cow}(s_w)\end{array}$

where $\begin{array}{l}\rho_o=\rho_o(T_i, \, p_i)\end{array}$ и $\begin{array}{l}\rho_w=\rho_w(T_i, \, p_i)\end{array}$ – oil and water densities at initial formation temperature $\begin{array}{l}T_i\end{array}$ and pressure $\begin{array}{l}p_i\end{array}$ .

This model requires reliable and representative data bank on capillary pressure at sandface conditions.

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SHF Capillary pressure @model