Table 3 Ranked importance of input features based on permutation importance (%).

From: Performance investigation of Xanthan gum polymer flooding for enhanced oil recovery using machine learning models

Feature

Importance (%)

Pore volume flooding

63.42

Permeability (md)

10.95

Temperature©

7.73

Rock type-Sandstone

6.71

Initial oil saturation

2.93

Oil viscosity

2.68

Porosity%

2.32

API gravity

1.12

Rock type_Carbonate

0.92

Polymer concentration (ppm)

0.50

Salinity (wt%)

0.43

Rock type_Glass

0.28

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