META/LOG "RW" SPREADSHEET -- Water Resistivity Calculator
This spreadsheet calculates RW at any temperature using 5 different methods:
  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), 5 methods,
 

Sample of "META/RW" for calculating water resistivity from various methods.