Oil saturation determination (IE and CDN logs)

Input(s)

RoR_{o}: Hydrocarbon Formation Resistivity (ohm m)

RtR_{t}: Rock Resistivity (ohm m)

Output(s)

SwS_{w}: Water Saturation (fraction)

SoS_{o}: Oil Saturation (fraction)

Formula(s)

Sw=(RoRt)0.5So=1Sw\begin{aligned} S_{w} & =\left(\frac{R_{o}}{R_{t}}\right)^{0.5} \\ S_{o} & =1-S_{w} \end{aligned}

Reference(s)

Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 11, Page: 213.


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