Reservoir Solutions : Gas Reservoirs

Gas Density

Source: Fundamental of Reservoir Engineering by L.P. Dake (page 23)

Component	Molecular Weight	Critical Pressure (psia)	Critical Temp. (^oR)	Mole Fraction
C1 16.04 668 343 0.8470 C2 30.07 708 550 0.0586 C3 44.10 616 666 0.0220 iC4 58.12 529 735 0.0035 nC4 58.12 551 765 0.0058 iC5 72.15 490 829 0.0027 nC5 72.15 489 845 0.0025 nC6 86.18 437 913 0.0028 nC7 100.20 397 972 0.0028 nC8 114.23 361 1024 0.0015 nC9 128.26 332 1070 0.0018 nC10 142.29 304 1112 0.0015 CO2 44.01 1071 548 0.0130 H2S 34.08 1306 672 0.0000 N2 28.01 493 227 0.0345