A Formation (L = 5,000 ft, H = 300 ft, W = 1,000 ft, ? = 20%, T = 190 °F, P= 1800 psia) contains
dry gas (S$_g$ = 0.9) with the following composition:
Comp.
Mole Fraction, %
CO2
4.6
H2S
6.5
N2
3.5
C1
69.5
C2
8.6
C3
4.3
C4
3.4
C7+
4.2
For heptane plus, specific gravity is 0.79 and molecular weight is 142 lb/lb mole. Determine:
1. z-factor
2. Gas viscosity
3. Gas formation volume factor
4. Gas isothermal compressibility
5. Gas density and gas specific gravity
6. Weight of methane gas in the formation in lb mass and lb moles