Table 4 The derived equations for the AEB-3G reservoir petrophysical static rock types (PSRTs) with their reflection coefficient (R2) (Y: Permeability, X: Porosity).

From: Petrographical and petrophysical rock typing for flow unit identification and permeability prediction in lower cretaceous reservoir AEB_IIIG, Western Desert, Egypt

Rock type

Equation

R2

PSRT 1

Y = 0.0003 X3.2813

0.9554

PSRT 2

Y = 0.0009X3.2015

0.9054

PSRT 3

Y = 0.0001 X6.0246

0.8159

PSRT 4

Y = 0.0434 X3.5289

0.881

PSRT 5

Y = 0.001 X3.6649

0.9491

PSRT 6

Y = 0.0008 X3.1793

0.9839

PSRT 7

Y = 0.0733 X2.7211

0.9724

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