Page 193 - A Practical Companion to Reservoir Stimulation
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PRACTICAL COMPANION TO RESERVOIR STIMULA TlON
100
I , I 1 1 1 I
--A- lb/lOOO gal Guar + Borate
224
90 t
440 Ib/l000 gal Guar + Borate
80
70
h
8
v
>
60
B
m
a,
a 50
-0
a,
.-
c
9 40
a,
[r
30
20
1
10
0
0 1 2 3 4 5 6 7 8 9 10 11 12
Breaker Concentration (Ib/lOOO gal)
Figure P-41-Effect of breaker concentration on retained permeability of 20/40 northern white sand, 2 Ib/ft2, 160°F (from
Brannon, H.D. and Pulsinelli, R.J., SPE paper 20135, 1990).
P-34
