hw9key - SOLUTION KEY HOMEWORK# 9 11-1. API = 40.3 Specific...

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SOLUTION KEY HOMEWORK# 9 11-1. APIº = 40.3 Specific gravity = 0.756 R s = 1000scf/ STB From figure 11-1, bubble point pressure at 205 ºF, P b = 3500 psia (approx.) 11-3. For pressure below the bubble point, the solution gas oil ratios (R s ) can be estimated from figure 11-1. P, psig P, psia R s , scf/STB 3150 3164.7 900 2650 2664.7 700 2150 2164.7 550 1650 1664.7 430 1150 1164.7 270 650 664.7 135 150 164.7 45 11-6. Component Composition, mole fraction n-Pentane 0.225 Hexanes 0.425 Heptanes plus 0.350 1.000 Properties of heptanes plus Specific gravity 0.8525 Molecular weight 219 lb/lb mole Component Compostion, mole fraction Molecular Weight, lb/lb mol Mass, lb Liquid density, lb/ft 3 Liquid volume, ft 3 n-Pentane 0.225 72.15 16.2338 39.38 0.41223337 Hexanes 0.425 86.18 36.6265 41.42 0.88427088 0.350 219 76.65 53.2 1.44078947 1.000 129.51 2.73729372 Mass= 259.021 Volume= 5.47458745 Therefore, density = 33 259.021 / 47.313 / 5.4746 lb ft lb ft =
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11-9. Component Composition, mole fraction Molecular Weight, lb/lb mol Mass, lb Liquid density, lb/ft3 Liquid volume, ft3 Hydrogen Sulfide 0.0879 34.08 2.99563 0.027 44.01 1.18827 Nitrogen 0.0009 28.01 0.02521 Methane 0.2112 16.04 3.38765 Ethane 0.0763 30.07 2.29434 Propane 0.0703 44.1 3.10023 31.62 0.1064146 i-Butane 0.0147 58.12 0.85436 35.11 0.1163724 n-Butane 0.0428 58.12 2.48754 36.42 0.0234587 i-Pentane 0.0171 72.15 1.23377 38.96 0.0792613 n-pentane 0.0237 72.15 1.70996 39.396 0.031317 Hexanes 0.0248 86.18 2.13726 41.4 0.0516247 Heptanes plus 0.4033 215 86.7095 53.11 1.6326398 108.124 2.04108852 Density of propane plus = 3 3 108.124 52.98 / 2.041 lb lb ft ft = W1 = 1 3.388 100% 3.133 % 108.127 C mix W x wt W == 2 2 2 1 2.294 0.025 2
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hw9key - SOLUTION KEY HOMEWORK# 9 11-1. API = 40.3 Specific...

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