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  1. Log learning set
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  7. Summaries & Upsc
  8. Ionic Water Analysis

  9. Well Log Scripting:

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  1. Assembling
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  1. How to plot a LAS file
  2. Export data to Excel
  3. The log-plot display
  4. Flatten MD to TVDSS
  5. Function Workflows
  6. Petrophysical Aliases
  7. Multiwell Workflows
  8. Summaries & Upsc.
  9. Water Salinity
  10. Mineral Solvers
  11. Multizone Parameters

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  1. Merging LAS files
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  3. Points interpolation
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  5. Confidence bands
  6. Build Permeab. Corr.
  7. Demo files data set
  8. Core Data Import
  9. Computing Net-Pay
  10. Petrophysical Cutoffs
  11. VSH from GR index
  12. VSH from Neut-Dens
  13. Water Saturations
  14. Indonesia Water Sat.
  15. Mod. Simandoux Eq
  16. Fracture Porosity
  17. Geomechanic Logs
  18. Split Rock Volume
  19. Mineral Solvers
  20. Pay Indicator Index
  21. Water Salinity & Rw
  22. Estimating RHOM
  23. Estimating Rw & m

Paper Icon  PAPERS

  1. SWirr from well logs
  2. Water Sat. from Rxo
  3. Porosity from Rxo
  4. Porosity from Rt
  5. Vshale or Vclay ?
  6. Gas cap detection
  7. Biased Beta Distr
  8. Shaly Pickett Plot Eq.

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GeolOil - Computing water salinity and Rw from Ionic Water Analyses, core lab data, and well logs


This video shows how to estimate the equivalent NaCl water salinity, and the formation water resistivity Rw from water analyses, core SW lab measurements, and log only data applied on water bodies like aquifers and isolated, sealed water pockets. Corrections for apparent water resistivity Rwa are introduced to deal with shaly sands, instead of clean, pristine sands required by the Hingle and Pickett-Plot equations.


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