Reservoir permeability

Input(s)

$q_{o}$: Oil Flow Rate $(\mathrm{bbl} / \mathrm{d})$

$B_{o}$: Oil Formation Volume Factor $(\mathrm{bbl} / \mathrm{STB})$

$\mu_{o}$: Oil Viscosity $(\mathrm{cP})$

$\mathrm{m}$: Slope of Horner Plot (psi/cycle)

h: Pay zone of Thickness ( $\mathrm{ft}$ )

Output(s)

$k_{o}$: Reservoir Permeability $(\mathrm{mD})$

Formula(s)

$$ k_{o}=162.6 *\left(q_{o}\right) *\left(B_{o}\right) * \frac{\mu_{o}}{m * h} $$

Notes: Permeability Evaluated from Horner Plot (Semi-Log Plot).

Reference(s)

Lee, J., Rollins, J. B., \& Spivey, J. P. (2003). Pressure Transient Testing (Vol. 9). Richardson, Texas: Society of Petroleum Engineers, Page: 104.