Simultaneous feasible injectivity of foam and hydrolyzed polyacrylamide to optimize the oil recovery enhancement

Afshin Davarpanah, Erfan Akbari, Mohammadreza Doudman-Kushki, Hamed Ketabi, Mahmoud Hemmati

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Foam flooding is considered as one of the beneficial chemical enhanced oil recovery techniques to increase the value of gas viscosity and thereby, the efficiency of the produced oil would be improved dramatically rather than other methodologies. The objective of this extensive study is to determine a suitable injectivity model for one of the heterogeneous sandstone reservoir in which hydrolyzed polyacrylamide concentration in the solution foam has the most recovery factor. To do this, the results of laboratory investigation and simulation analysis are taken into consideration in different injectivity scenarios to obtain the more efficient scenario. Consequently, higher concentration of hydrolyzed polyacrylamide in the foaming agent, the high volume of oil has been produced after 10 years of producing. Furthermore, by selecting three cores from the three wells in this field, it is clarified that, owing to the increasing the volume of foam in the injectivity fluid, the pressure drop increased dramatically and subsequently has leaded to produced more oil volume.

Original languageEnglish
Pages (from-to)44-59
Number of pages16
JournalEnergy Exploration and Exploitation
Issue number1
Early online date08 Jul 2018
Publication statusPublished - 01 Jan 2019
Externally publishedYes


  • enhanced oil recovery
  • Foam flooding
  • heterogeneous sandstone reservoir
  • hydrolyzed polyacrylamide concentration


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