General Instructions: Fill in boxes with appropriate numbers. Constants in white boxes,
variables (from log measurements and/or calculations) in shaded boxes and press the ENTER key. You must
have Office 2000 or higher in order to view this page correctly.
For
basic Archie definitions, click here
For
definitions, charts, and other related information, click here
Formulas from Dewan, "Essentials of Modern Open-Hole Log Interpretation" (1983)