This article is based on
Chapter 8 of "The Log Analysis Handbook" by E. R. Crain, P.Eng., published by Pennwell Books 1986 Updated 2004,
webpage version is the copyrighted intellectual
property of the author.
Do not copy or distribute in any form without explicit
META/LOG "RW" SPREADSHEET -- Water Resistivity Calculator
This spreadsheet calculates RW at any temperature using 5
1. Salinity in ppm
2. Spontaneous Potential
3. Water Zone (Rwa, R0 Method)
4. Water Catalog
5. Minimum of Above
Includes calculation of formation temperature.
You can turn off any inappropriate method.
Download this spreadsheet:
SPR-07 META/LOG WATER RESISTIVITY (RW) CALCULATOR
Calculate water resistivity (RW),
Sample of "META/RW" for calculating water resistivity from various