Formula 1.80

Kerns method for gas flow in a fracture

Input(s)

k: Permeability $(\mathrm{mD})$

$\mu$: Viscosity $(\mathrm{cP})$

P: Pressure $(\mathrm{psi})$

Output(s)

$V_{g}$: Gas Velocity $(\mathrm{cc})$

Formula(s)

$$ V_{g}=\frac{k * P^{2}}{2 * \mu} $$

Reference(s)

Ahmed, T., McKinney, P.D. Advanced Reservoir Engineering, Gulf Publishing House, Burlington, MA, 2015.