A new modificatin of cubic EOS improves prediction of gas ocndensate phase behavior

摘要

The phase and volumetric behavior of fluid systems cna be predicted using cubic equiations of state (EOS).e.g. SRKEOS (Soave-Redlich-Kwong) or PREOS(Peng-Robinson).In case of the investigated gas ocndensate systems,all predictions did not coincide with the laboratory data.by a general correction of the attraction parameter a,the coincidence of SRKEOS - adn PREOS -based predictions with the laboratory data could be satisfactorily improved.