Page 144 - Formation Damage during Improved Oil Recovery Fundamentals and Applications
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Formation Damage by Fines Migration: Mathematical and Laboratory Modeling, Field Cases 123
(A) 7
0.6 M 0.035 M 0.018 M DI
6
Experimental data
Model
5
Impedance 4
3
2
1
0 5 10 15 20 25 30 35 40
PVI
(B) 5 ×10 –5
4.5 4 0.6 M 0.035 M 0.018 M DI
Experimental data
Accumulated outlet concentration 2.5 3 2
Model
3.5
1.5
0.5 1
0
0 5 10 15 20 25 30 35 40
PVI
Figure 3.19 Laboratory data and the fitted analytical model: (A) impedance J(T); (B)
accumulated breakthrough concentration Test 3 (PVI: number of pore volumes
injected).