Coupled modelling of CO2 injection into a realistic North Sea aquifer

    Research output: Contribution to conferencePaper

    Abstract

    The work describes the use of coupled reservoir simulation geomechanical modelling to investigate the potential for geomechanical failure within a saline aquifer subjected to CO2 injection for geological storage. The model was based on a realistic North Sea (Forties Sandstone) formation. The work was carried out as part of the UK Storage Appraisal Project and was mainly concerned with issues of injection pressure, injectivity and thereby storage capacity. The default criterion within the project was to consider a maximum injection pressure based on (hydraulic) fracture pressure gradient. The geomechanical modelling work was carried out to see if there was any scope to change this based on other potential modes of geomechanical failure. The results show that for the scenarios modelled, geomechanical failure is unlikely in the formation providing the injection rate is controlled so that the injection pressure does not exceed the fracture pressure at the well.
    Original languageEnglish
    Pages1-5
    Number of pages5
    DOIs
    Publication statusPublished - 30 Sep 2013
    Event2nd Sustainable Earth Sciences Conference and Exhibition 2013 - Pau, France
    Duration: 30 Sep 20134 Oct 2013

    Conference

    Conference2nd Sustainable Earth Sciences Conference and Exhibition 2013
    Abbreviated titleSES 2013
    CountryFrance
    CityPau
    Period30/09/134/10/13
    OtherTechnologies for Sustainable Use of the Deep Sub-Surface

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    Olden, P., Jin, M., Pickup, G. E., & Mackay, E. J. (2013). Coupled modelling of CO2 injection into a realistic North Sea aquifer. 1-5. Paper presented at 2nd Sustainable Earth Sciences Conference and Exhibition 2013, Pau, France. https://doi.org/10.3997/2214-4609.20131599