Tortuosity (resistivity logs)

Input(s)

$L_{a}$: Apparent Length $(\mathrm{cm})$

L: Actual Length $(\mathrm{cm})$

Output(s)

$\mathrm{T}$: Tortuosity (unitless)

Formula(s)

$$ T=\frac{L_{a}^{2}}{L^{2}} $$

Reference(s)

Ellis, D.V., Singer, J.M. 2008. Well Logging for Earth Scientists. Second Edition. Springer. Chapter: 4, Page: 76.