Effect of clay on conductivity

Input(s)

$\mathrm{C}_{\mathrm{w}}$: Conductivity of Water $(1 / \mathrm{ohm} \mathrm{m})$

F: Formation Factor (unitless)

$\mathrm{C}_{\mathrm{s}}$: Conductivity due to Salinity $(1 / \mathrm{ohm} \mathrm{m})$

Output(s)

$\mathrm{C}_{\mathrm{o}}$: Conductivity of Oil $(1 / \mathrm{ohm} \mathrm{m})$

Formula(s)

$$ C_{o}=\left(\frac{C_{w}}{F}\right)+C_{s} $$

Reference(s)

Ellis, D.V., Singer, J.M. 2008. Well Logging for Earth Scientists. Second Edition. Springer. Chapter: 4, Page: 74.