Oil Well Performance/Choke Flow Exercise MEEN4800 - Dr. McMullen Vogel\'s Inflow
ID: 2087161 • Letter: O
Question
Oil Well Performance/Choke Flow Exercise MEEN4800 - Dr. McMullen Vogel's Inflow Performance Relationship 01 0.2 lo max 7 qo - Oil Flow Rate - (STB/Day) qo max - Maximun Oil flow Rate (STB/Day) Pwf - Bottomhole Pressure (psia) Pr - Average Reservoir Pressure (psia) Test Data test 2500 wf 2000 1000 Procedure: Substitute qtest for qo in the above equation and solve for qmax. The following table can then be completed. P (p qo (STB/Day) 1000 1100 1200 1300 1400 1500 Reference: http://petrowiki.org/Oil well performanceExplanation / Answer
Vogel established an empirical relationship ( Vogel’s inflow performance relationship )for flowrate prediction of a solution gas-drive reservoir in terms of the wellbore pressure based on reservoir simulation results.
As per the Vogel’s inflow performance relationship, and solving with the values provided,
The solution will be
Pwf (psia)
q0 max (STB/day)
1000
3571.429
1100
3858.025
1200
4222.973
1300
4699.248
1400
5341.88
1500
6250
Flow through Chokes:
The Wellhead pressure with multiphase flow of oil and gas for the given data will be
Gilbert’s Constants
A1 = 0.00386
A2 = 0.546
A3 = 1.89
qL, STB/Day
R, SCF/STB
Pwh, 12/64 in.
Pwh, 24/64 in.
500
500
1359.01
366.6704
500
1000
1984.198
535.3505
500
1500
2475.887
668.0117
1000
500
2718.019
733.3408
1000
1000
3968.395
1070.701
1000
1500
4951.773
1336.023
1500
500
4077.029
1100.011
1500
1000
5952.593
1606.052
1500
1500
7427.66
2004.035
Pwf (psia)
q0 max (STB/day)
1000
3571.429
1100
3858.025
1200
4222.973
1300
4699.248
1400
5341.88
1500
6250
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