Geochemical interpretation of low-salinity-water injection in carbonate oil reservoirs

Emad W. Al-Shalabi, Kamy Sepehrnoori, Gary Pope

    Research output: Contribution to journalArticlepeer-review

    51 Scopus citations

    Abstract

    The advantages of using the low-salinity-water-injection (LSWI) technique to improve oil recovery in carbonates are reported in the literature; however, the mechanism behind it is still uncertain. This paper represents a comparison between two geochemical simulators [UTCHEM (UTCHEM manual, 2000) and PHREEQC (Parkhurst and Appelo 2013)] through modeling fluidand solid-species concentrations of a recently published LSWI coreflood. Moreover, an attempt to interpret the mechanism controlling the LSWI effect on oil recovery from carbonates is presented on the basis of the findings of this work. The LSWI technique is case-dependent, and hence, the findings cannot be generalized.

    Original languageBritish English
    Pages (from-to)1212-1226
    Number of pages15
    JournalSPE Journal
    Volume20
    Issue number6
    DOIs
    StatePublished - Dec 2015

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