Page 321 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2

288 Reservoir Engineering

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0.1

0.2 1 IO loo
MOB LIT Y R AT IO
I
Figure 5-164. Effect of permeability variation and mobility ratio on vertical
sweep efficiency at WOR = 100 [296].

Permeability variation
Mobility
Ratio 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0.05 1 1 1 2 4 5 10 20
0.1 1 1 1 2 5 5 10 20
0.2 1 1 2 3 5 5 10 20
0.5 1 1 2 3 5 5 10 20
1 .o 1 1 2 3 5 10 10 50
2.0 1 2 3 4 10 10 20 100
5.0 1 3 4 5 10 100 100 100
~ ~
From Reference 298.