Page 277 - Reservoir Formation Damage
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Two-Phase Formation Damage by Fines Migration 257
10 20 30 40 50 60
Filtration Time (min)
• Experiment —r- Simulation
Figure 11-7. Cumulative fluid loss vs. filtration time during mud filtration (Liu
and Civan, ©1996 SPE; reprinted by permission of the Society of Petroleum
Engineers).
0 5 10 15
Core Length (cm)
• Experiment Simulation
Figure 11-8. Instantaneous to initial permeability ratio (or permeability
alteration factor) vs. core length after one hour of filtration time during mud
filtration (Liu and Civan, ©1996 SPE; reprinted by permission of the Society
of Petroleum Engineers).
