Table 4 Statistical ranges for training data.

From: Enhanced machine learning—ensemble method for estimation of oil formation volume factor at reservoir conditions

No

Parameters

Unit

Count

Mean

Std

Min

25%

50%

75%

Max

1

Pressure

psi

987

2585.46

1765.57

14.70

1223.00

2423.00

3833.00

10,072.00

2

Temperature

°F

987

214.90

40.29

110.00

190.00

208.00

247.00

290.00

3

Solution GOR (Rs)

SCF/STB

987

605.00

502.94

0.00

314.85

473.52

771.18

2866.89

4

API

–

987

26.96

6.51

13.35

21.67

26.74

30.39

44.52

5

Oil formation volume factor (Bo)

bbl/STB

987

1.42

0.30

1.02

1.25

1.33

1.50

2.83