Assessment on the Transport of Polymeric Solution through High-Salinity Reservoirs Containing Divalent Cations

Byung In Choi; Moon Sik Jeong; Kun Sang Lee

doi:10.4028/www.scientific.net/AMR.807-809.2607

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Assessment on the Transport of Polymeric Solution...

Assessment on the Transport of Polymeric Solution through High-Salinity Reservoirs Containing Divalent Cations

Abstract:

Water salinity and hardness have been regarded as main limitation for field application of polymer floods. It causes not only reduction of polymer concentration, but also injectivity loss in the near wellbore. Based on the mathematical and chemical theory, extensive numerical simulations were conducted to investigate performance of polymer floods in the high-salinity reservoirs. According to results from simulations, the high salinity reduces the viscosity of polymer in contacting area. That causes a poor sweep efficiency of polymer flooding. Moreover, the presence of divalent cations makes the project of polymer flooding worse. That is because of excessively increased bottom-hole pressure in injection well by the precipitation of polymer. The quantitative assessment of polymer floods needs to be required before field application. Therefore, the results in this paper are helpful for optimal polymer flooding design under harsh reservoir conditions.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

2607-2611

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.2607

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Online since:

September 2013

Authors:

Byung In Choi, Moon Sik Jeong, Kun Sang Lee

Keywords:

Divalent Caution, High-Salinity Reservoir, Polymer Flooding, Polymer Precipitation, Salinity

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References

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