Implicit Z-factor correlation @model for the natural gas in the wide range of pseudo-reduced temperature 1.05 \leq T_{pr} \leq 3 and pseudo-reduced pressure 0.2 \leq P_{pr} \leq 15:
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where
Z | Z-factor | ||||
T | fluid temperature | T_{pr} = T/T_{pc} | pseudo-reduced temperature | T_{pc} | pseudo-critical temperature |
P | fluid pressure | P_{pr} = P/P_{pc} | pseudo-reduced pressure | P_{pc} | pseudo-critical pressure |
See also
Natural Science / Physics /Thermodynamics / Z-factor / Z-factor Correlations @model
Reference
Hall, K.R., Yarborough, L., 1973. A new equation-of-state for Z-factor calculations. Oil Gas J. 71, 82–92.