Korean Journal of Chemical Engineering

, Volume 33, Issue 12, pp 3350–3358 | Cite as

Performance of polyacrylamide/Cr(III) gel polymer in oil recovery from heterogeneous porous media: An experimental study

  • Zahra Kargozarfard
  • Masoud Riazi
  • Shahab Ayatollahi
  • Sheida Shahnazar
Transport Phenomena


Water channeling due to reservoir heterogeneity is an important factor that could decrease the displacement efficiency of a water flooding process. In this study, the ability of polyacrylamide/ chromium acetate system on altering water path in heterogeneous layered media was investigated using glass bead micromodels. After the relevant parameters were optimized, a series of water and gel injection experiments were conducted in glass bead micromodel. The experimental results show that sweep efficiency is basically controlled by gel strength. The gel strength has a minor impact on the oil recovery from the higher permeable zone, whereas the oil recovery from the lower permeable zone is a strong function of gel strength. Gels with F and G strength codes were observed to divert the water path mostly into low permeable layers. Whereas, gels with B strength code or weaker would alter the water path within the higher permeable layers.


Gel Polymers Areal Sweep Efficiency Micromodel Water Production Heterogeneity 


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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2016

Authors and Affiliations

  • Zahra Kargozarfard
    • 1
  • Masoud Riazi
    • 1
  • Shahab Ayatollahi
    • 2
  • Sheida Shahnazar
    • 3
  1. 1.Enhanced Oil Recovery (EOR) Research Centre, Department of Petroleum Engineering, School of Chemical and Petroleum EngineeringShiraz UniversityShirazIran
  2. 2.School of Chemical and Petroleum EngineeringSharif University of TechnologyTehranIran
  3. 3.Nanotechnology and Catalysis Research Centre (NANOCAT)University of MalayaKula LumpurMalaysia

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