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3
2
1
0
-1
-2
-3
-4
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
Measured Oil Formation Volume Factor, res bbl/STB
Eq. 3.21b,
p
b
from Data
Eq. 3.21b,
p
b
from Eqs. 3.7
Standing
Kartoatmodjo-Schmidt
Casey-Cronquist,
p
b
from Eqs. 3-7
Fig. 3-28. Average relative errors and average absolute relative errors of subsets of the data
described in table 3-9 sorted on measured oil formation volume factor show the quality of selected
correlation equations for estimating oil formation volume factors for pressures equal to and less
than bubblepoint pressure across the full range of this dependent variable.
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