화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.33, No.12, 3350-3358, December, 2016
DOI10.1007/s11814-016-0228-x  Export Citation
Performance of polyacrylamide/Cr(III) gel polymer in oil recovery from heterogeneous porous media: An experimental study
Zahra Kargozarfard, Masoud Riazi†, Shahab Ayatollahi1, and Sheida Shahnazar2
  • Enhanced Oil Recovery (EOR) Research Centre, Department of Petroleum Engineering, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran
  • 1School of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
  • 2Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya, Kula Lumpur, Malaysia
E-mail:
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.
Keywords:Gel Polymers;Areal Sweep Efficiency;Micromodel;Water Production;Heterogeneity
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