A combination-drive reservoir contains 10 MMSTB of oil initially in place. The ratio of the original gas-cap volume to the original oil volume, i.e., m, is estimated as 0.25. The initial reservoir pressure is 3,000 psia at 150°F. The reservoir produced 1 MMSTB of oil, 1,100 MMsef of 0.8 specific gravity gas, and 50,000 STB of water by the time the reservoir pressure dropped to 2,800 psi. The following PVT is available: 3000 psi B. bbl/STB R.. scf/STB B. bbl/scf B₁, bbl/STB 2800 psi 1.58 1040 0.00080 1.48 850 0.00092 1.58 1.000 1.655 1.000 B. bbl/STB The following data are also available: cw 1.5 x 10-6 psi-1 c=1 x 10-6 psi- Swi=0.20 Calculate: a. Cumulative water influx b. Net water influx e. Primary driving indexes at 2,800 psi Assume Wp = 0
A combination-drive reservoir contains 10 MMSTB of oil initially in place. The ratio of the original gas-cap volume to the original oil volume, i.e., m, is estimated as 0.25. The initial reservoir pressure is 3,000 psia at 150°F. The reservoir produced 1 MMSTB of oil, 1,100 MMsef of 0.8 specific gravity gas, and 50,000 STB of water by the time the reservoir pressure dropped to 2,800 psi. The following PVT is available: 3000 psi B. bbl/STB R.. scf/STB B. bbl/scf B₁, bbl/STB 2800 psi 1.58 1040 0.00080 1.48 850 0.00092 1.58 1.000 1.655 1.000 B. bbl/STB The following data are also available: cw 1.5 x 10-6 psi-1 c=1 x 10-6 psi- Swi=0.20 Calculate: a. Cumulative water influx b. Net water influx e. Primary driving indexes at 2,800 psi Assume Wp = 0
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Transcribed Image Text:A combination-drive reservoir contains 10 MMSTB of oil initially in
place. The ratio of the original gas-cap volume to the original oil volume,
i.e., m, is estimated as 0.25. The initial reservoir pressure is 3,000 psia at
150°F. The reservoir produced 1 MMSTB of oil, 1,100 MMsef of 0.8
specific gravity gas, and 50,000 STB of water by the time the reservoir
pressure dropped to 2,800 psi. The following PVT is available:
3000 psi
B. bbl/STB
R.. scf/STB
B. bbl/scf
B₁, bbl/STB
2800 psi
1.58
1040
0.00080
1.48
850
0.00092
1.58
1.000
1.655
1.000
B. bbl/STB
The following data are also available:
cw 1.5 x 10-6 psi-1
c=1 x 10-6 psi-
Swi=0.20
Calculate:
a. Cumulative water influx
b. Net water influx
e. Primary driving indexes at 2,800 psi
Assume Wp = 0
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