Question #2 (abet criteria A, E) The reservoir, PVT and relative permeability data are the same...
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Question #2 (abet criteria A, E) The reservoir, PVT and relative permeability data are the same as given in Question # 1. Predict the reservoir performance using Tamer & Tracy method. Show sample calculations at the first pressure below pi and the fourth pressure below pb. Compare the results obtained from Tarner&Tracy's and Muskat's methods. Question #1 (abet criteria A, E) The data given below pertain to an under-saturated oil reservoir. Initial reservoir pressure = 2400 psig Bubble point pressure = 1800 psig Initial water saturation = 0.20 Original oil in place Water compressibility = 100x10° STB -1 = 3.0x10 psi Rock compressibility = 4.0x106 1-6 psi -1 Pressure B. R₁ Ho (psig) (RB/STB) (SCF/STB) (cp) 200. 1.068 65. 2.350 400. 1.115 600. 1.150 800. 1.180 1000. 1.206 1200. 1.233 1400. 1.256 1600. 1.280 1800. 1.300 2000. 1.296 2200. 1.292 2400. 1.288 Liquid Saturation 0.600 135. 215. 300. 370. 430. 477. 520. 560. 560. 560. 560. Kro 0.001 2.168 2.030 B₂ (ft³/SCF) 0.09147 1.908 0.02161 1.796 0.01700 1.550 1.500 0.04484 0.02933 1.700 0.01395 1.615 0.01180 0.01022 0.00900 0.00806 0.300 1.514 1.529 0.00730 1.545 0.00669 Hg (cp) 0.01065 0.01190 0.01300 0.01400 0.01485 0.01552 0.01603 0.01635 0.01659 0.01676 0.01689 0.01698 0.650 0.700 0.750 0.800 0.850 0.900 0.950 0.975 1.000 0.005 0.040 0.110 0.230 0.365 0.540 0.760 0.880 1.000 0.215 0.150 0.100 0.060 0.030 0.015 0.002 0.000 0.000 The reservoir will be produced at a constant oil rate of 15,000 STB/D using solution gas drive mechanism. The economic limit is when the reservoir pressure drops to 400 psig or the instantaneous producing gas oil ratio exceeds 10,000 SCF/STB. Predict the reservoir performance using Muskat method and present your results by plotting the following: 1. Reservoir pressure versus time 2. Instantaneous gas-oil ratio versus time 3. Cumulative gas produced versus time 4. Cumulative oil recovery versus reservoir pressure 5. What is the fractional oil recovery at abandonment condition? 6. What is the future life of the reservoir at abandonment condition? Question #2 (abet criteria A, E) The reservoir, PVT and relative permeability data are the same as given in Question # 1. Predict the reservoir performance using Tamer & Tracy method. Show sample calculations at the first pressure below pi and the fourth pressure below pb. Compare the results obtained from Tarner&Tracy's and Muskat's methods. Question #1 (abet criteria A, E) The data given below pertain to an under-saturated oil reservoir. Initial reservoir pressure = 2400 psig Bubble point pressure = 1800 psig Initial water saturation = 0.20 Original oil in place Water compressibility = 100x10° STB -1 = 3.0x10 psi Rock compressibility = 4.0x106 1-6 psi -1 Pressure B. R₁ Ho (psig) (RB/STB) (SCF/STB) (cp) 200. 1.068 65. 2.350 400. 1.115 600. 1.150 800. 1.180 1000. 1.206 1200. 1.233 1400. 1.256 1600. 1.280 1800. 1.300 2000. 1.296 2200. 1.292 2400. 1.288 Liquid Saturation 0.600 135. 215. 300. 370. 430. 477. 520. 560. 560. 560. 560. Kro 0.001 2.168 2.030 B₂ (ft³/SCF) 0.09147 1.908 0.02161 1.796 0.01700 1.550 1.500 0.04484 0.02933 1.700 0.01395 1.615 0.01180 0.01022 0.00900 0.00806 0.300 1.514 1.529 0.00730 1.545 0.00669 Hg (cp) 0.01065 0.01190 0.01300 0.01400 0.01485 0.01552 0.01603 0.01635 0.01659 0.01676 0.01689 0.01698 0.650 0.700 0.750 0.800 0.850 0.900 0.950 0.975 1.000 0.005 0.040 0.110 0.230 0.365 0.540 0.760 0.880 1.000 0.215 0.150 0.100 0.060 0.030 0.015 0.002 0.000 0.000 The reservoir will be produced at a constant oil rate of 15,000 STB/D using solution gas drive mechanism. The economic limit is when the reservoir pressure drops to 400 psig or the instantaneous producing gas oil ratio exceeds 10,000 SCF/STB. Predict the reservoir performance using Muskat method and present your results by plotting the following: 1. Reservoir pressure versus time 2. Instantaneous gas-oil ratio versus time 3. Cumulative gas produced versus time 4. Cumulative oil recovery versus reservoir pressure 5. What is the fractional oil recovery at abandonment condition? 6. What is the future life of the reservoir at abandonment condition?
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