Homework+Solutions+Chapter+9

Homework+Solutions+Chapter+9 - 2000 2500 3000 3500 4000...

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9.2 an oil field with several wells has the following production history. Producing gas-oil ratio is really separator gas-oil ratio; stock-tank gas is vented and not metered. Separator conditions are 30 psig and 120 o F. Separator gas specific gravity is 0.888, and stock-tank oil gravity is 36.1 o API. Estimate solution gas-oil ratio at the bubble point. Compare your answer with laboratory results of 318 scf/STB. Cumulative Oil production, MSTB Producing Gas-oil ratio, Scf/STB 260 310 455 322 761 286 1024 305 1319 317 1699 402 1910 434 2201 515 2400 575 2607 610 2800 661 2959 602 3111 723 3231 769 3360 848 3480 911 3591 974 3676 990 3799 1092 3890 1044 3992 1143 4039 1170 4110 1318 4205 1271 4275 1407 4317 1485 4390 1494 4435 1373 4500 1467 4540 1305 4600 1446
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Exercise 9-2 R sb 0 200 400 600 800 1000 1200 1400 1600 0 500 1000 1500
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Unformatted text preview: 2000 2500 3000 3500 4000 4500 5000 Cumulative Oil Production, MSTB GOR, scf/STB GOR 305 Figure 9-3, R st = 20 R sb = 305 + 20 = 325 scf/STB 9.3 The pressure-production history for the oil field of Exercise 9-2 is given below. Estimate bubble-point pressure. Compare your answer with laboratory results of 1441 psig. Reservoir Pressure, Psia Cumulative Oil production, MSTB 3122 110 2982 370 1830 1050 1275 1400 965 3060 1095 3160 933 3360 495 4620 Exercise 9-3 bubble-point pressure 500 1000 1500 2000 2500 3000 3500 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 Cumulative Oil Production, MSTB Reservoir Pressure, psia Exercise 9-3 pb = 1450 psia...
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Homework+Solutions+Chapter+9 - 2000 2500 3000 3500 4000...

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