Modeling the Saturation Pressure of Systems Containing Crude Oils and CO2 Using the SRK Equation of State

被引：4

作者：

Pereira, Veronica J. ^{[1
]}

Regueira, Victor B. ^{[1
]}

Costa, Gloria M. N. ^{[1
]}

Vieira de Melo, Silvio A. B. ^{[1
,2
]}

机构：

[1] Univ Fed Bahia, Escola Politecn, Programa Engn Ind, Rua Prof Aristides Novis 2, BR-40210630 Salvador, BA, Brazil

[2] Univ Fed Bahia, Ctr Interdisciplinar Energia & Ambiente, Campus Univ Federacao Ondina, BR-40170115 Salvador, BA, Brazil

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2019年 / 64卷 / 05期

关键词：

PC-SAFT; ASPHALTENE PRECIPITATION; PHASE-BEHAVIOR; PVT PROPERTIES; HEAVY OILS; PETROLEUM; RESERVOIR; PREDICTION; HYDROCARBONS; TEMPERATURE;

D O I：

10.1021/acs.jced.8b01077

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This work investigates the saturation pressure of crude oil CO2 mixtures and how the oil plus-fraction characterization methods affect it. Different distribution functions were tested to split the plus-fraction as well as correlations to calculate the critical parameters and the acentric factor. The Soave-Redlich-Kwong (SRK) equation of state was used to calculate the saturation pressure of the crude oil and its mixtures with pure and impure CO2. The results were compared with experimental data and reveal that the effect of the characterization methods on the modeling of the saturation pressure of reservoir fluids is strong mainly for CO2 molar fraction values higher than 50%.

引用

页码：2134 / 2142

页数：9

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