What is the value of Formation Resistivity Factor?

In electrical logging the measured resistivity of flushed zone is 19.2 ohm-m , the resistivity of mud filtrate is 1.33 ohm-m and computed value of residual oil saturation in flushed zone is 20%.

Asked by Kapil_IITR, Last updated: Apr 09, 2024

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2 Answers

Akshay

Answered Dec 13, 2018

(1-0.80)^2= a/porosity^m * 1.33/19.2

F=a/porosity^m

F=9.248

Formulause : Sxo^n=a/ porosity^m* rmf / rxo

sxo= water saturation in flushed zone

sxo= 1- oil saturation in flushed zone

oil sturation + water stauration= 1

1-0.20= 0.80

Kapil_IITR

Answered Sep 11, 2018

9.24

Hint :::: Apply Archies equation for flushed zone ..

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