Formula 4.31
Flow through fracture in response to pressure gradient
Input(s)
$\mu$ : Fluid Viscosity (cP)
$L$: Length $(\mathrm{ft})$ v: Poisson (dimensionless)
$P_{f}$: Fracture Pressure (psi)
$S_{c}$: Least Principle Stress (psi)
$E$: Young Modulus (psi)
$\Delta P$: Pressure Gradient (psi)
Output(s)
Q: Flow Rate $\left(\mathrm{ft}^{3} / \mathrm{s}\right)$
Formula(s)
$$ Q=\left(\frac{\pi * \Delta P}{8 * \mu}\right) *\left(\left(\frac{L *\left(1-v^{2}\right) *\left(P_{f}-S_{c}\right)}{E}\right)^{3}\right) $$
Reference(s)
Mark D. Zoback., Reservoir Geomechanics, Cambridge University Express, UK, Page: 142.