Effective photoelectric absorption cross section index
Input(s)
Z: Atomic Number (dimensionless)
Output(s)
Pe: Effective Photoelectric Absorption Cross-Section Index for the Formation (Barns per Electron)
Formula(s)
\[
P e=\left(\frac{Z}{10}\right)^{3.6}
\]
Reference(s)
Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 8, Page: 167.