A novel method to model low salinity water injection in carbonate oil reservoirs

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

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    29 Scopus citations

    Abstract

    There are few low salinity water injection models proposed for carbonate rocks mainly because of incomplete understanding of complex chemical interactions between rock-oil-brine. This paper describes a new empirical method to model the low salinity water injection (LSWI) effect on oil recovery from carbonate rocks, based on the history matching and validation of recently published corefloods. In this model, the changes in water and oil relative permeability curves, as well as residual oil saturation, due to the LSWI effect are considered. The proposed model is implemented in the UTCHEM simulator to match and predict the multiple cycles of low salinity experiments. The screening criteria for using the proposed LSWI model are addressed in the paper. The developed model and the simulation results give more insight into the oil production potential of future waterflood projects using a modified water composition for injection.

    Original languageBritish English
    Title of host publicationSociety of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia 2014
    Subtitle of host publicationDriving Integrated and Innovative EOR
    Pages159-181
    Number of pages23
    DOIs
    StatePublished - 2014
    EventSPE EOR Conference at Oil and Gas West Asia 2014: Driving Integrated and Innovative EOR - Muscat, Oman
    Duration: 31 Mar 20142 Apr 2014

    Publication series

    NameSociety of Petroleum Engineers - SPE EOR Conference at Oil and Gas West Asia 2014: Driving Integrated and Innovative EOR

    Conference

    ConferenceSPE EOR Conference at Oil and Gas West Asia 2014: Driving Integrated and Innovative EOR
    Country/TerritoryOman
    CityMuscat
    Period31/03/142/04/14

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