Can green scale inhibitors replace phosphonate scale inhibitors? Carbonate coreflooding experiments

S. Baraka-Lokmane, K. Sorbie, N. Poisson, N. Kohler

    Research output: Contribution to journalArticle

    Abstract

    The oil industry is currently facing severe restrictions concerning the discharge of oilfield chemicals into the environment. The purpose of this study is to test the possibility of replacing an organic phosphonate scale inhibitor (DETPMP) by a more environmentally friendly green species: carboxymethyl inulin (CMI). Although, promising these results are nevertheless far inferior to the performance exhibited by the DETPMP coreflood. Squeeze lifetimes of the green scale inhibitor can be improved by increasing scale inhibitor adsorption either by reducing the pH of the injected solution or by changing the chemistry of either injection or postflush brines.

    Original languageEnglish
    Pages (from-to)427-441
    Number of pages15
    JournalPetroleum Science and Technology
    Volume27
    Issue number4
    DOIs
    Publication statusPublished - Jan 2009

    Keywords

    • Carbonate rock
    • Carboxymethyl inulin (CMI)
    • Coreflood
    • DETPMP
    • Green scale inhibitor
    • Phosphonate

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