Correlation of mud cake resistivity to mud resistivity
Input(s)
\(R_{m}\): Mud Resistivity (ohm m)
\(R_{m f}\): Mud Filtrate Resistivity (ohm m)
Output(s)
\(R_{m c}\): Mud Cake Resistivity (ohm m)
Formula(s)
\[
R_{m c}=0.69 * R_{m f} *\left(\frac{R_{m}}{R_{m f}}\right)^{2.65}
\]
Reference(s)
Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 4, Page: 67.