Characteristic Analysis of the Transition Zone in Carbon Dioxide Miscible Flooding

Chang Lin Liao; Xin Wei Liao; Ju Li; Ning Lu

doi:10.4028/www.scientific.net/AMR.734-737.497

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 734-737Characteristic Analysis of the Transition Zone in...

Characteristic Analysis of the Transition Zone in Carbon Dioxide Miscible Flooding

Abstract:

Study on the characteristic of the transition zone in CO₂-oil system has important meaning for the research of CO₂ miscible flooding. In this paper, one of crude oil samples in Xinjiang oilfield was taken as an example. The minimum miscible pressure (MMP) of CO₂-oil system was confirmed through laboratory experiment and numerical simulation separately. And the characteristic of the transition zone was analyzed. The transition zone size and interfacial tension in miscible process were quantified. And their variation tendencies along with the change of the pressure and CO₂ injection volume were studied. The results show that it is easier to reach miscible state in higher pressure and CO₂ injection volume. This work provides a reference for the further research of CO₂ miscible flooding.

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Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

497-501

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.497

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Online since:

August 2013

Authors:

Chang Lin Liao, Xin Wei Liao, Ju Li, Ning Lu

Keywords:

CO₂ Miscible Flooding, MMP, Transition Zone

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