Examining Asphaltene Solubility on Deposition in Model Porous Media

Yu Jiun Lin, Peng He, Mohammad Tavakkoli, Nevin Thunduvila Mathew, Yap Yit Fatt, John C. Chai, Afshin Goharzadeh, Francisco M. Vargas, Sibani Lisa Biswal

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Asphaltenes are known to cause severe flow assurance problems in the near-wellbore region of oil reservoirs. Understanding the mechanism of asphaltene deposition in porous media is of great significance for the development of accurate numerical simulators and effective chemical remediation treatments. Here, we present a study of the dynamics of asphaltene deposition in porous media using microfluidic devices. A model oil containing 5 wt % dissolved asphaltenes was mixed with n-heptane, a known asphaltene precipitant, and flowed through a representative porous media microfluidic chip. Asphaltene deposition was recorded and analyzed as a function of solubility, which was directly correlated to particle size and Péclet number. In particular, pore-scale visualization and velocity profiles, as well as three stages of deposition, were identified and examined to determine the important convection-diffusion effects on deposition.

Original languageEnglish
Pages (from-to)8729-8734
Number of pages6
JournalLangmuir
Volume32
Issue number34
DOIs
Publication statusPublished - 17 Aug 2016

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Porous materials
solubility
Solubility
asphaltenes
Asphaltenes
Microfluidics
Oils
oils
microfluidic devices
assurance
Heptane
heptanes
Remediation
simulators
convection
Visualization
velocity distribution
Simulators
Particle size
chips

Cite this

Lin, Y. J., He, P., Tavakkoli, M., Mathew, N. T., Fatt, Y. Y., Chai, J. C., ... Biswal, S. L. (2016). Examining Asphaltene Solubility on Deposition in Model Porous Media. Langmuir, 32(34), 8729-8734. https://doi.org/10.1021/acs.langmuir.6b02376
Lin, Yu Jiun ; He, Peng ; Tavakkoli, Mohammad ; Mathew, Nevin Thunduvila ; Fatt, Yap Yit ; Chai, John C. ; Goharzadeh, Afshin ; Vargas, Francisco M. ; Biswal, Sibani Lisa. / Examining Asphaltene Solubility on Deposition in Model Porous Media. In: Langmuir. 2016 ; Vol. 32, No. 34. pp. 8729-8734.
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Lin, YJ, He, P, Tavakkoli, M, Mathew, NT, Fatt, YY, Chai, JC, Goharzadeh, A, Vargas, FM & Biswal, SL 2016, 'Examining Asphaltene Solubility on Deposition in Model Porous Media', Langmuir, vol. 32, no. 34, pp. 8729-8734. https://doi.org/10.1021/acs.langmuir.6b02376

Examining Asphaltene Solubility on Deposition in Model Porous Media. / Lin, Yu Jiun; He, Peng; Tavakkoli, Mohammad; Mathew, Nevin Thunduvila; Fatt, Yap Yit; Chai, John C.; Goharzadeh, Afshin; Vargas, Francisco M.; Biswal, Sibani Lisa.

In: Langmuir, Vol. 32, No. 34, 17.08.2016, p. 8729-8734.

Research output: Contribution to journalArticle

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Lin YJ, He P, Tavakkoli M, Mathew NT, Fatt YY, Chai JC et al. Examining Asphaltene Solubility on Deposition in Model Porous Media. Langmuir. 2016 Aug 17;32(34):8729-8734. https://doi.org/10.1021/acs.langmuir.6b02376