A four coefficient model for extending the heptanes-plus fraction for gas condensate systems

► Gas condensate systems do not have a continuous molar relationship. ► Discontinuities at SCN8 and SCN13 were observed. ► Existing models do not predict these SCN compositions accurately. ► The “Four Coefficient” model described resolves these discontinuities. ► A partial analysis beyond the C7+ fraction is not required with this model.