Axis of a deviated borehole from an arbitrary origin

Input(s)

$P_{o}$: Pore Pressure $(\mathrm{psi})$

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

$\mathrm{r}$: Position in Respect to Centre of Wellbore (ft)

$\Theta$: Azimuth of Shmax (rad)

$\sigma^{\Delta \mathrm{t}}$: Thermal Stress (psi)

$\mathrm{S}_{\mathrm{hmax}}$: Maximum Horizontal Stress (psi)

$\mathrm{S}_{\mathrm{hmin}}$: Minimum Horizontal Stress (psi)

Output(s)

Formula(s)

Reference(s)

Mark D. Zoback., Reservoir Geomechanics, Cambridge University Press, UK, Page: 170.