A full set of subsurface reservoir properties defining the reservoir flow dynamics.

Effective thickness	Effective Porosity	Rock compressibility	Absolute Permeability	Relative Permeabilities	Reservoir fluid saturation
$\begin{array}{l}h_e\end{array}$	$\begin{array}{l}\phi_e\end{array}$	$\begin{array}{l}{c_r}\end{array}$	$\begin{array}{l}k_a\end{array}$	$\begin{array}{l}k_r(s)\end{array}$	$\begin{array}{l}\{ s_o, \, s_g, \, s_w \}\end{array}$

Transmissibility	Pressure diffusivity	Mobility	Total compressibility
$\begin{array}{l}\sigma(s)\end{array}$	$\begin{array}{l}\chi(s)\end{array}$	$\begin{array}{l}M(s)\end{array}$	$\begin{array}{l}c_t(s) = c_r + c(s)\end{array}$

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