The Influence of the Type of Oil Model During the Displacement of Light Oil by Gas on Their Miscibility

The application of degassed oil instead of recombined oil model for a slim tube technique was investigated. It is found that the use of degassed oil is not recommended for modeling and studying of gas and oil miscibility under typical conditions of Western Siberia deposits. The previously estimated...

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Bibliographic Details
Published in:Chemistry and technology of fuels and oils 2019-09, Vol.55 (4), p.432-438
Main Authors: Antonov, S. V., Zobov, P. M., Khamidullina, I. V., Grishina, I. N., Ivanov, E. V., Khlebnikov, V. N.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Displacement
Geotechnical Engineering & Applied Earth Sciences
Industrial Chemistry/Chemical Engineering
Mineral Resources
Miscibility
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Summary:The application of degassed oil instead of recombined oil model for a slim tube technique was investigated. It is found that the use of degassed oil is not recommended for modeling and studying of gas and oil miscibility under typical conditions of Western Siberia deposits. The previously estimated miscibility of light oil and associated gas was confirmed in case of application of recombined oil model or degassed oil at displacement from a slim tube. This occurs because of a gradual transition from the mode of immiscible displacement to the mode of limited-mixing displacement of oil and further to the mode of complete mixing as a result of the mass exchange of light oil and associated gas.
ISSN:0009-3092
1573-8310
DOI:10.1007/s10553-019-01048-y