Page 38 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
P. 38
26 Reservoir Engineering
0. I
L
0
0.01
0
n
3
w 0.001
rn
n
I IO I( 30
PSEUDO REDUCED PRESSURE, pr
Figure 5-21. Variation of pseudo-reduced compressibility with
pseudo-reduced pressures for various fixed values of pseudo-reduced
temperature [28].
1200
1000
000
600
400
0.61 0.65 0.70 0.75 0.80 0.05
SPECIFIC GRAVITY OF UNDERSATURATED RESV.
LIQUID AT RESV. PRESSURE CORRECTED TO 6O'F
Figure 5-22. Approximate variation of pseudo-critical pressure and pseudo-
critical temperature with specific gravity of liquid corrected to 60°F [28].
