Table 4 Hydraulic flow unit (HFU) permeability transform equations and statistical validation using Pittman R35 hydraulic flow units technique.

From: Reservoir characterization and rock typing of the gas-bearing El Wastani Formation, Simian Field, offshore Nile Delta

HFU

Mean RQI

Equation

R2

HFU 1

1.727

Perm = 10^((Log(1.727)—0.255 + 0.523*Log(Phi))/0.565)

0.80

HFU 2

3.788

Perm = 10^((Log(3.788)—0.255 + 0.523*Log(Phi))/0.565)

0.67

HFU 3

7.085

Perm = 10^((Log(7.085)—0.255 + 0.523*Log(Phi))/0.565)

0.90

HFU 4

15.767

Perm = 10^((Log(15.767)—0.255 + 0.523*Log(Phi))/0.565)

0.54

HFU 5

28.083

Perm = 10^((Log(28.083)—0.255 + 0.523*Log(Phi))/0.565)

0.65

HFU 6

43.937

Perm = 10^((Log(43.937)—0.255 + 0.523*Log(Phi))/0.565)

0.93

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