Page 142 - Formation Damage during Improved Oil Recovery Fundamentals and Applications
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Formation Damage by Fines Migration: Mathematical and Laboratory Modeling, Field Cases 121
(A)
0.6 M 0.035 M DI
Experimental data
Model
10 2
Impedance
10 1
10 0
0 5 10 15 20 25 30
PVI
(B) ×10 –4
7
0.6 M 0.035 M DI
6
Experimental data
Accumulated outlet concentration 4 3
Model
5
1 2
0
0 5 10 15 20 25 30
PVI
Figure 3.17 Laboratory data and the fitted analytical model: (A) impedance J(T); (B)
accumulated breakthrough concentration Test 1 (PVI: number of pore volumes
injected).