# Maximum length of a slanted well in a given reservoir thickness

## Input(s)

\(\mathrm{h}\): Pay Zone Thickness (ft)

\(\alpha\): Angle of inclination of drilling (degrees)

## Output(s)

L: Length of Slant Wellbore (ft)

## Formula(s)

\[
L=\frac{h}{\cos \left(\alpha * \frac{\pi}{180}\right)}
\]

## Reference(s)

Horizontal Well Technology, Joshi, Page: 96.