Statistically designed study of the variables and parameters of carbon dioxide equations of state

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Carbon dioxide is used widely in enhanced oil recovery (EOR) processes to maximize the production of crude oil from aging and nearly depleted oil wells. Carbon dioxide also is encountered in many processes related to oil recovery. Accurate representations of the properties of carbon dioxide, and its mixtures with hydrocarbons, play a critical role in a number of enhanced oil recovery operations. One of the first tasks of this project was to select an equation of state to calculate the properties of carbon dioxide and its mixtures. The equations simplicity, accuracy, and reliability in representing phase behavior and thermodynamic properties ... continued below

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Pages: (311 p)

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Donohue, M. D.; Naiman, D. Q.; Jin, Gang & Loehe, J. R. May 1, 1991.

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Description

Carbon dioxide is used widely in enhanced oil recovery (EOR) processes to maximize the production of crude oil from aging and nearly depleted oil wells. Carbon dioxide also is encountered in many processes related to oil recovery. Accurate representations of the properties of carbon dioxide, and its mixtures with hydrocarbons, play a critical role in a number of enhanced oil recovery operations. One of the first tasks of this project was to select an equation of state to calculate the properties of carbon dioxide and its mixtures. The equations simplicity, accuracy, and reliability in representing phase behavior and thermodynamic properties of mixtures containing carbon dioxide with hydrocarbons at conditions relevant to enhanced oil recovery were taken into account. We also have determined the thermodynamic properties that are important to enhanced oil recovery and the ranges of temperature, pressure and composition that are important. We chose twelve equations of state for preliminary studies to be evaluated against these criteria. All of these equations were tested for pure carbon dioxide and eleven were tested for pure alkanes and their mixtures with carbon dioxide. Two equations, the ALS equation and the ESD equation, were selected for detailed statistical analysis. 54 refs., 41 figs., 36 tabs.

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Pages: (311 p)

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OSTI; NTIS; GPO Dep.

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  • Other: DE91002240
  • Report No.: DOE/BC/14200-4
  • Grant Number: AC22-89BC14200
  • DOI: 10.2172/5826227 | External Link
  • Office of Scientific & Technical Information Report Number: 5826227
  • Archival Resource Key: ark:/67531/metadc1102686

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  • May 1, 1991

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  • Feb. 18, 2018, 3:59 p.m.

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  • March 20, 2018, 1:34 p.m.

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Donohue, M. D.; Naiman, D. Q.; Jin, Gang & Loehe, J. R. Statistically designed study of the variables and parameters of carbon dioxide equations of state, report, May 1, 1991; Baltimore, Maryland. (digital.library.unt.edu/ark:/67531/metadc1102686/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.