Table 5 Comprehensive weight coefficients for production capacity.

From: Quantitative classification evaluation model for tight sandstone reservoirs based on machine learning

Method

Pd (MPa)

K (10–3 µm2)

P50 (MPa)

Dr

SP

R50 (µm)

Φ (%)

AHP

0.038

0.066

0.091

0.120

0.158

0.222

0.306

EWM

0.087

0.392

0.101

0.115

0.108

0.123

0.074

Comprehensive weight coefficient

0.028

0.217

0.077

0.116

0.143

0.228

0.191

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