A Comparison of Three Equation of State Compositional Simulators

dc.contributor.advisorLake, Larry W.
dc.contributor.advisorSepehrnoori, Kamy
dc.creatorThele, Kent Joseph
dc.date.accessioned2020-04-10T20:25:56Z
dc.date.available2020-04-10T20:25:56Z
dc.date.issued1984-05
dc.description.abstractDuring the past two decades, approximately one formulation per year has been published for compositional simulators. However, until now, no consistent comparison has been made on any of them. Three of these formulations were implemented on the Dual Cyber 170/750 machine and compared. Formulations by Nghiem, Fong, and Aziz (NFA) and Young and Stephenson (YS) were programmed for one and two dimensional problems, and the fully implicit formulation by Coats (C) was coded for one dimensional applications. These formulations were compared with respect to computer memory requirements, accuracy, and number of iterations and computation times required to satisfy carefully chosen convergence criteria. The phase behavior was modeled with the Peng-Robinson equation of state, and the flash calculations were performed using an accelerated successive substitution scheme by Mehra, Heidemann, and Aziz. From three to fifteen components were used in the test problems which consisted of multiple contact miscible and immiscible gas drives, a minimum miscibility pressure determination, and a carbon dioxide flood in a half of a five-spot pattern.en_US
dc.description.departmentPetroleum and Geosystems Engineeringen_US
dc.format.mediumelectronicen_US
dc.identifier.urihttps://hdl.handle.net/2152/80557
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/7573
dc.language.isoengen_US
dc.relation.ispartofUT Electronic Theses and Dissertationsen_US
dc.rightsCopyright © is held by the author. Presentation of this material on the Libraries' web site by University Libraries, The University of Texas at Austin was made possible under a limited license grant from the author who has retained all copyrights in the works.en_US
dc.rights.restrictionOpenen_US
dc.subjectCompositional simulationen_US
dc.subjectPhaseen_US
dc.titleA Comparison of Three Equation of State Compositional Simulatorsen_US
dc.typeThesisen_US
dc.type.genreThesisen_US
thesis.degree.departmentPetroleum and Geosystems Engineeringen_US
thesis.degree.disciplinePetroleum Engineeringen_US
thesis.degree.grantorUniversity of Texas at Austinen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Science in Engineeringen_US

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