Wednesday, December 27, 2017

Calculate Total Water Saturation Swt (shale corrected)

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List of equations assignment

Total Water Saturation (Swt)- Shale Corrected

There is another equation for the calculation of total (shale-corrected) water saturation. This uses parameters like water resistivity, apparent water resistivity, besides of a constant "b" that depends on water saturation and bound-water resistivity. The equation is the following:

 Total Water Saturation (Swt)- Shale Corrected
    Where:
  • Swt= total (shale corrected) water saturation
  • Rw= resistivity of formation water at formation temperature
  • Rwa= apparent water resistivity
  • b= constant


Calculate Total Water Saturation (Swt) - Shale Corrected

Constant b

Constant b depends of water saturation, bound-water resistivity, and the resistivity of a bound-water formation. The equation to calculate it, is expressed the following way:

 Total Sw Constant b

    Where:
  • Swb= bound-water saturation
  • Rw= resistivity of formation water at formation temperature
  • Rb= bound-water resistivity
  • b= constant


Calculate Constant b

Made by Henry Herrera

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