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Component Composition, mole fraction Methane Ethane 0.6904 0.0864 0.0534 0.0115 Propane |- Butane n-Butane i- Pentane n-Pentane Hexanes Heptanes plus 0.0233 0.0093 0.0085 0.0173 0.0999 1.0000 Properties of heptanes plus Specific gravity Molecular weight 0.827 158 Ib/b mole B- The gas of Exercise 3-4 is a retrograde gas. However, discovery pressure in reservoir, 7000 psig, is higher than dew point pressure, 6010 psig. Reservoir temperature is 256°F. The reservoir lies under 7040 acres, has an average thickness of 13 ft, has a porosity of 11%, and has a water saturation of 40%. Calculate the mass of gas in the reservoir at initial conditions. Give your answer in Ib moles

Component Composition, mole fraction Methane Ethane 0.6904 0.0864 0.0534 0.0115 Propane |- Butane n-Butane i- Pentane n-Pentane Hexanes Heptanes plus 0.0233 0.0093 0.0085 0.0173 0.0999 1.0000 Properties of heptanes plus Specific gravity Molecular weight 0.827 158 Ib/b mole B- The gas of Exercise 3-4 is a retrograde gas. However, discovery pressure in reservoir, 7000 psig, is higher than dew point pressure, 6010 psig. Reservoir temperature is 256°F. The reservoir lies under 7040 acres, has an average thickness of 13 ft, has a porosity of 11%, and has a water saturation of 40%. Calculate the mass of gas in the reservoir at initial conditions. Give your answer in Ib moles

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3-4. Determine the composition in weight fraction and the composition in volume fraction of the gas given below. What assumption did you make? Composition, mole fraction Component 0.6904 0.0864 0.0534 0.0115 0.0233 0.0093 0.0085 0.0173 0.0999 Methane Ethane Propane |- Butane n-Butane i- Pentane n-Pentane Hexanes Heptanes plus 1.0000 Properties of heptanes plus Specific gravity Molecular weight 0.827 158 Ib/b mole B- The gas of Exercise 3-4 is a retrograde gas. However, discovery pressure in reservoir, 7000 psig, is higher than dew point pressure, 6010 psig. Reservoir temperature is 256°F. The reservoir lies under 7040 acres, has an average thickness of 13 ft, has a porosity of 11%, and has a water saturation of 40%. Calculate the mass of gas in the reservoir at initial conditions. Give your answer in lb moles.
Transcribed Image Text:3-4. Determine the composition in weight fraction and the composition in volume fraction of the gas given below. What assumption did you make? Composition, mole fraction Component 0.6904 0.0864 0.0534 0.0115 0.0233 0.0093 0.0085 0.0173 0.0999 Methane Ethane Propane |- Butane n-Butane i- Pentane n-Pentane Hexanes Heptanes plus 1.0000 Properties of heptanes plus Specific gravity Molecular weight 0.827 158 Ib/b mole B- The gas of Exercise 3-4 is a retrograde gas. However, discovery pressure in reservoir, 7000 psig, is higher than dew point pressure, 6010 psig. Reservoir temperature is 256°F. The reservoir lies under 7040 acres, has an average thickness of 13 ft, has a porosity of 11%, and has a water saturation of 40%. Calculate the mass of gas in the reservoir at initial conditions. Give your answer in lb moles.
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