An oil-tolerant and salt-resistant aqueous foam system for heavy oil transportation

Jie Sun, Jiaqiang Jing*, Neima Brauner, Li Han, Amos Ullmann

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

An oil-tolerant and salt-resistant aqueous foam system was screened out as a possible lubricant to enable cold heavy oil transportation. The microstructures and viscoelasticity and effects of heavy oil, salt and temperature on the foam stability were investigated and new rheological and drainage models were established. The results indicate the foam with multilayered shells belongs to a special microcellular foam. The viscoelasticity could be neglected due to its low relaxation time. The drainage process can be divided into three stages. The foam with quality of 67.9% maintains great stability at high oil and salt concentrations and appropriate elevated temperature.

Original languageEnglish
Pages (from-to)99-108
Number of pages10
JournalJournal of Industrial and Engineering Chemistry
Volume68
DOIs
StatePublished - 25 Dec 2018

Keywords

  • Aqueous foam
  • Drainage
  • Microstructure
  • Oil-tolerance and salt-resistance
  • Rheology

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