Geological condition

SD

GPI

Original

Optimized

Original

Optimized

G₁

4.28

3.57

0.58

2.06

G₂

3.71

3.53

0.94

3.66

G₃

4.29

3.47

0.57

1.53

G₄

3.86

3.45

0.57

3.14