Page 161 - Formation Damage during Improved Oil Recovery Fundamentals and Applications

Formation Damage by Fines Migration: Mathematical and Laboratory Modeling, Field Cases 139

(A) 2
1.9
1.8
1.7
Impedance 1.6
1.5
1.4
1.3
1.2
Field data
1.1
Model
1
0 0.02 0.04 0.06 0.08 0.1 0.12
PVI
(B) 4
Field data
3.5 Model
3
Impedance 2.5

2

1.5
1
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
PVI ×10 –3
(C) 2
1.9
1.8
1.7
Impedance 1.5
1.6
1.4
1.3
1.2
Field data
1.1
Model
1
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45
PVI
Figure 3.24 Field data for impedance J(T) and their matching by the analytical
model: (A) Ventura Oil Field; (B) West Delta Block 73; (C) Pervomaiskoye Oil Field
(PVI: number of pore volumes injected).