Nuclear magnetic resonance experiments on foam flooding and evaluation of foam dynamic stability
Jingnan ZHANG,Qinfeng DI,Shuai HUA,Feng YE,Yuan LI,Wenchang WANG
Table 6
Comparison of dynamic instability factors and resistance factors.
Displacement mode
Core No.
Foam system
Resistance
factor
Dynamic instability factor
1
1#
S-2
137.78
0.77
2#
S-NP-2
158.00
0.56
2
3#
S-2
204.00
0.36
4#
S-NP-2
216.00
0.14