Page 95 - Petrophysics

TABLE 2.5
PHYSICAL PROPERTIES VARIOUS HYDROCARBONS ASSOCIATED COMPOUNDS [3 11
OF
AND
kwmal Boiling Point liquid Gas Density at Critical Critical
Molecular Density 60"F, 1 atm Temperature Pressure
Constituent Weight "F "R (lb,/cu ft) (lb,/cu ft) ("R) (PW
~ ~
Methane, CH4 16.04 -258.7 20 1 18.72* 0.04235 344 673
Ethane, C1& 30.07 -127.5 332 23.34* 0.07986 550 712
Propane, C3Hs 44.09 -43.8 416 3 1.68** 0.1180 666 617
iso-butane, C4H10 58.12 10.9 47 1 35.14** 0.1577 735 528
n-butane, C4Hlo 58.12 31.1 49 1 36.47** 0.1581 766 551
iso-pentane, C3H10 72.15 82.1 542 38.99 - 830 483
n-pentane, C3H12 72.15 96.9 557 39.39 847 485
n-hexane, C3H14 86.17 155.7 61 5 41.43 914 435
n-heptane, C7H16 100.20 209.2 669 42.94 972 397
n-octane, CsHls 114.22 258.1 718 44.10 1,025 362
n-nonane, C9H20 128.25 303.3 763 45.03 1,073 335
ndecane, C10H22 142.28 345.2 805 45.81 - 1,115 313
Nitrogen, N2 28.02 -320.4 140 - 0.0739 227 492
Air (02 + N2) 29 -317.7 142 - 0.0764 239 547
Carbon dioxide, C02 44.01 -109.3 35 1 68.70 0.117 548 1,073
Hydrogen sulfide, HzS 34.08 -76.5 383 87.73 0.0904 673 1,306
Water 18.02 212 672 62.40 1,365 3,206
'Apparent density in liquid phase.
**Density at saturation pressure.