Fracture gradient (Zoback and Healy)

Input(s)

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

$S_{v}$: Vertical Stress (psi)

$S_{p}$: Pore Pressure (psi)

Output(s)

$S_{\text {hmin }}$: Minimum Horizontal Stress (psi)

Formula(s)

Reference(s)

Mark D. Zoback, Reservoir Geomechanics, Cambridge University Press, UK, Page: 281.