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(1) |
p_{pc} = 756.8 -131.07 \, \gamma_g - 74 \, \gamma_g^2 |
(2) |
T_{pc} = 169.2 +349.5 \, \gamma_g - 3.6 \, \gamma_g^2 |
| Sutton, 1985 | | - High molecular weight gases
- rich in heptanes
- minor amount of carbon dioxide and nitrogen
- no hydrogen sulfide
|
(3) |
p_{pc} = 709.604 - 58.718 \, \gamma_g |
(4) |
T_{pc} = 170.491 +307.344 \, \gamma_g |
| Guo and Ghalambor (2005) | H2S < 3% N2 < 5% Total inorganic compounds < 7% |
|
(5) |
p_{pc} = 706 - 51.7 \, \gamma_g - 11.1 \, \gamma_g^2 |
(6) |
T_{pc} = 187 +330 \, \gamma_g - 71.5 \, \gamma_g^2 |
| Standing, 1981 | Total inorganic compounds = 0% | Low molecular weight California natural gases |
(7) |
p_{pc} = 787.06 - 147.34 \, \gamma_g - 7.916 \, \gamma_g^2 |
(8) |
T_{pc} = 149.18 +358.14 \, \gamma_g - 66.976 \, \gamma_g^2 |
| Elsharkawy et al. (2000) |
| Retrograde gases and condensates |
(9) |
p_{pc} = 678 - 50\, (\gamma_g - 0.5) - 206.7 \, y_{N_2} + 440 \, y_{CO_2} + 606.7 \, y_{H_2S} |
(10) |
T_{pc} = 326 +315.7 \, (\gamma_g -0.5) - 240 \, y_{N_2} - 83.3 \, y_{CO_2} + 133.3 \, y_{H_2S} |
| Ahmed (1989) |
|
|
See also
Natural Science / Physics / Thermodynamics / Thermodynamic system / Pseudo-Critical Point (Tpc, ppc)
[ Fluid Mixture ]
[ Pseudo-Critical Point (Tpc, ppc) ][ Pseudo-Critical Temperature (Tpc) ][ Pseudo-Critical Pressure (Ppc)]
[ Critical Point (Tc, pc) ][ Сritical Temperature Tc ][ Critical Pressure (pc) ]