Electrokinetic potential (developed across a mud cake)
Input(s)
p: Differential Pressure (psi)
x: Constants Related to Mud Composition (dimensionless)
y: Constants Related to Resistivity (dimensionless)
Output(s)
Ek: Electrokinetic Potential (V)
Formula(s)
\[
E k=x * p^{\wedge} y
\]
Reference(s)
Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 6, Page: 131.