Shear stress near vertical well

Input(s)

$\mathrm{S}_{\mathrm{hmax}}$: Maximum Principal Stress in reservoir (psi)

$\mathrm{S}_{\mathrm{hmin}}$: Minimum Principal Stress in reservoir (psi)

$\mathrm{r}$: Distance from wellbore $(\mathrm{ft})$

$\mathrm{R}$: Radius of wellbore $(\mathrm{ft})$

$\theta$: Angle from $S_{\text {hmax }}$ at which stress is measured (degrees)

Output(s)

sig $_{r t h}$: Shear Stress near Vertical Well (psi)

Formula(s)

Reference(s)

petrowiki.org.