Minimum normal stress in tangential direction at wellbore wall (hoop stress)

Input(s)

$S_{\text {hmax }}$: Maximum Principal Stress in Reservoir (psi)

$S_{\text {hmin }}$: Minimum Principal Stress in Reservoir (psi)

Po: Pore Pressure (psi)

$S_{d t}$: Stress induced due to Temperature (psi)

$\mathrm{dP:} \quad$ Difference Between Wellbore Pressure and Mud Weight (psi)

Output(s)

sig $_{t h}$: Minimum Hoop Stress in Tangential Direction at Wellbore Wall (psi)

Formula(s)

Reference(s)

Mark D. Zoback, Reservoir Geomechanics, Cambridge University Press, UK, Page: 238.