Two Phase Permeability Correlations There are following correlations are

used for two relative permeability.

Wyllie and Gardner Correlation 1958 Torcaso and Wyllie Correlation 1958 Pirson’s Correlation 1958 Corey’s Correlation

Effective Saturation S*

Wyllie and Gardner Correlation

Wyllie and Gardner Correlation

Torcaso and Wyllie Correlation

Pirson’s Correlation

Corey’s Correlation

Where the effective gas saturation is:

Example 01

Conti….

Example 02Resolve Example 01 by using Pirson’s correlation for the water oil system

Example 03

Thanks