Page 248 - Reservoir Formation Damage
P. 248
228 Reservoir Formation Damage
i- ri
20 30 40 60 60
PORE VOLUMES
Figure 10-23. Entrainment of 0.5%, initially deposited, 8 mm CaCO 3 fines in
a porous medium of 60.96 cm pack of 840-2000 mm diameter sand grains
(after Gruesbeck and Collins, ©1982 SPE; reprinted by permission of the
Society of Petroleum Engineers).
60
«>
8 •
» (b)
o
- 30
2 §> §>
U. 10 10
20
«o
10
0 0.2 0.4 0.6
INTERSTITIAL VELOCITY. u/</>j . CM/S
Figure 10-24. Net entrainment rate of fines in a porous medium: Line (a)
from data given in Figure 10-23, and Line (b) similar data obtained using a
10 mPa.s viscosity fluid (after Gruesbeck and Collins, ©1982 SPE; reprinted
by permission of the Society of Petroleum Engineers).
