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 (g) Using the field data, construct a chart as shown in table B-3. The
LOSS column values (Q) are calculated by using the field data in formula
5.1(a).
(h) On graph paper, plot Q on the Y axis and P on the X axis.
(i) Using linear regression, calculate the equation for the best fitting
straight line and solve for Qnominal.(Qnominal is defined as normal
TABLE B-2. Pressure Test Data
Pressure
Time
(min:sec)
(psig)
90
0:00
80
10:42
23:17
70
60
38:34
50
58:56
87:28
40
135:01
30
TABLE B-3. Calculation of Losses
Average
Pressure
Pressure
Time
Loss
Time
(psig)
(psig)
(min:sec)
(min)
(scfm)
90-80
40
10:42
10.70
85
80-70
34
23.28
23:17
75
70-60
28
38:34
38.57
65
60-50
58.93
21
58:56
55
50-40
15
87:28
87:47
45
40-30
9
135:01
135.02
35
30-20
3
277:40
277.67
25
B-4
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