Quantitative 1D saturation profiles on chalk by NMR

Dan Olsen, Simon Topp, Anders Stensgaard, Jens Vinther Nørgaard, Jan Reffstrup

    Research output: Contribution to journalArticleResearchpeer-review

    9 Citations (Scopus)


    Quantitative one-dimensional saturation profiles showing the distribution of water and oil in chalk core samples are calculated from NMR measurements utilizing a 1D CSI spectroscopy pulse sequence. Saturation profiles may be acquired under conditions of fluid flow through the sample. Results reveal that strong saturation gradients exist in chalk core samples after core floods, due to capillary effects. The method is useful in analysis of corefloods, e.g., for determination of capillary pressure functions.

    Original languageEnglish
    Pages (from-to)847-851
    Number of pages5
    JournalMagnetic Resonance Imaging
    Issue number7-8
    Publication statusPublished - 1996


    • Fluid saturation determination
    • ID CSI
    • Porous media

    Programme Area

    • Programme Area 3: Energy Resources


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