Maximum principal stress calculation using breakout width

Input(s)

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

$C_{o}$: Distance from Wellbore $(\mathrm{ft})$

Pp: Pore Pressure (psi)

$\mathrm{S}_{\mathrm{dt}}$: Stress induced Due to Temperature $(\mathrm{psi})$

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

$\Theta$: Angle from Wellbore Breakout Width (rad)

Output(s)

$S_{h m i n}$: Maximum Principal Stress in Reservoir (psi)

Formula(s)

Reference(s)

Mark D. Zoback., Reservoir Geomechanics, Cambridge University Press, UK, Page: 223.