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62 PVT Property Correlations

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FURTHER READING
Beggs, H.D., 1984. Gas Production Operations. OGCI Publications, Tulsa, OK.

PROBLEMS

3.1 For the gas composition given below, calculate the gas density in lbm/
3

ft and psi/ft. at 2000 psi and 60 F. Assume z-factor to be 0.97 at the
specified pressure and temperature. Also, calculate the gas-specific
gravity at the same pressure and temperature.
Component Mole %
N 2 0.55
CO 2 8.71
C1 82.73
C2 5.49
C3 1.24
i-C4 0.21
n-C4 0.29
i-C5 0.12
n-C5 0.09
C6 0.11
C7 1 0.46
Total 100