AGA 8

v1.0

Compressibility Factors Of Natural Gas And Other Related Hydrocarbon Gases

This standard calculates the compressibility and density of a gas along with other properties from its composition in accordance with the ‘Detail’ characterisation method.

Configuration

Option	Setting
Composition Input Type	Unnormalised Normalised
Neo-Pentane Options	Add to iPentane Add to nPentane Neglect
Benzene Options	Add to nPentane Neglect
Toluene Options	Add to nHexane Add to nHeptane Neglect
Enforce Composition Limits	No Yes

Inputs

Field Name	Units	Value
Methane (Unnormalised)	mol%
Ethane (Unnormalised)	mol%
Propane (Unnormalised)	mol%
iButane (Unnormalised)	mol%
nButane (Unnormalised)	mol%
iPentane (Unnormalised)	mol%
nPentane (Unnormalised)	mol%
neoPentane (Unnormalised)	mol%
Hexane (Unnormalised)	mol%
Heptane (Unnormalised)	mol%
Octane (Unnormalised)	mol%
Nonane (Unnormalised)	mol%
Decane (Unnormalised)	mol%
Benzene (Unnormalised)	mol%
Toluene (Unnormalised)	mol%
Hydrogen (Unnormalised)	mol%
Nitrogen (Unnormalised)	mol%
CarbonDioxide (Unnormalised)	mol%
Hydrogen Sulphide (Unnormalised)	mol%
Water (Unnormalised)	mol%
Helium (Unnormalised)	mol%
Oxygen (Unnormalised)	mol%
CarbonMonoxide (Unnormalised)	mol%
Argon (Unnormalised)	mol%
Upstream Temperature (t1)	°C °F K °R
Upstream Pressure (p1)	mbar mbar g bar bar g Pa Pa g kPa kPa g MPa MPa g GPa GPa g psi psi g inH2O @ 60°F
Standard Temperature	°C °F K °R
Standard Pressure	mbar mbar g bar bar g Pa Pa g kPa kPa g MPa MPa g GPa GPa g psi psi g inH2O @ 60°F

Results

Description	Units	Actual
Composition Sum (Unnormalised)	mol%
Upstream Density	kg/m³ g/m³ mg/m³ lb/ft³
Upstream Compression Factor	-
Standard Density	kg/Sm³ g/Sm³ mg/Sm³ lb/Sft³
Standard Compression Factor	-
Base Compression Factor	-
Molecular Weight	kg/kmol
Relative Density Real	-