Maximum 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)

dP: Difference Between Wellbore Pressure and Mud Weight (psi)

Output(s)

sig th: Maximum Hoop Stress in Tangential Direction at Wellbore Wall (psi)

Formula(s)

Reference(s)

Mark D. Zoback, Reservoir Geomechanics, Cambridge University Press, UK, Page: 174.