The stimulation of sandstone reservoirs using DC potential

E. W.A. Al Shalabi, M. Haroun, B. Ghosh, S. Pamukcu

    Research output: Contribution to journalArticlepeer-review

    13 Scopus citations

    Abstract

    The authors describe the effect of direct current application in conjunction with waterflood on improving flow properties of Berea sandstone cores. Single-and two-phase flow experiments are conducted on a specially designed coreflood setup, under constant electrode potential. The results showed that core permeability may increase up to 223% when hydraulic gradient and electroosmotic flow are applied in the same direction. The effect is insignificant when they work in opposite direction. It is verified from experimental results that dislodgement of clay in colloidal form, resulting increase of effective pore throat diameter improved hydraulic permeability.

    Original languageBritish English
    Pages (from-to)2137-2147
    Number of pages11
    JournalPetroleum Science and Technology
    Volume30
    Issue number20
    DOIs
    StatePublished - 15 Oct 2012

    Keywords

    • clay migration
    • electrokinetics
    • well stimulation

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