Pore-scale analysis of formation damage in Bentheimer sandstone with in-situ NMR and micro-computed tomography experiments

A.Z. Al-Yaseri, M. Lebedev, Sarah Vogt, Michael Johns, A. Barifcani, S. Iglauer

    Research output: Contribution to journalArticle

    28 Citations (Scopus)

    Abstract

    © 2015 The Authors. We investigated fines movement through sandstone in-situ at the micrometre pore scale and studied the associated pore-scale mechanisms leading to formation damage. We used two in-situ techniques to accomplish this, namely nuclear magnetic resonance T2 relaxation time (NMR) measurements (of pore size distributions) and high resolution x-ray micro-computed tomography (μCT; at high resolutions of (0.89μm)3 and (3.4μm)3). The μCT images showed the precise 3D location of the fines particles in the plug and demonstrated that initially pore throats are plugged, followed by filling of adjacent pore bodies by solid particles. These measurements in combination with traditionally used (indirect) permeability and production curve measurements and ex-situ SEM imaging enabled us to propose a new mechanistic pore-scale plugging model; furthermore we demonstrated that the amount of fines trapped decayed rapidly with core depth. We conclude that it is feasible to analyse formation damage in-situ by a combination of NMR and μCT measurements.
    Original languageEnglish
    Pages (from-to)48-57
    JournalJournal of Petroleum Science and Engineering
    Volume129
    DOIs
    Publication statusPublished - 2015

    Fingerprint

    Sandstone
    tomography
    Tomography
    nuclear magnetic resonance
    Nuclear magnetic resonance
    sandstone
    damage
    experiment
    Experiments
    scanning electron microscopy
    Relaxation time
    permeability
    Pore size
    Imaging techniques
    X rays
    Scanning electron microscopy
    in situ
    analysis

    Cite this

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    title = "Pore-scale analysis of formation damage in Bentheimer sandstone with in-situ NMR and micro-computed tomography experiments",
    abstract = "{\circledC} 2015 The Authors. We investigated fines movement through sandstone in-situ at the micrometre pore scale and studied the associated pore-scale mechanisms leading to formation damage. We used two in-situ techniques to accomplish this, namely nuclear magnetic resonance T2 relaxation time (NMR) measurements (of pore size distributions) and high resolution x-ray micro-computed tomography (μCT; at high resolutions of (0.89μm)3 and (3.4μm)3). The μCT images showed the precise 3D location of the fines particles in the plug and demonstrated that initially pore throats are plugged, followed by filling of adjacent pore bodies by solid particles. These measurements in combination with traditionally used (indirect) permeability and production curve measurements and ex-situ SEM imaging enabled us to propose a new mechanistic pore-scale plugging model; furthermore we demonstrated that the amount of fines trapped decayed rapidly with core depth. We conclude that it is feasible to analyse formation damage in-situ by a combination of NMR and μCT measurements.",
    author = "A.Z. Al-Yaseri and M. Lebedev and Sarah Vogt and Michael Johns and A. Barifcani and S. Iglauer",
    year = "2015",
    doi = "10.1016/j.petrol.2015.01.018",
    language = "English",
    volume = "129",
    pages = "48--57",
    journal = "Journal of Petroleum Science & Engineering",
    issn = "0920-4105",
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    Pore-scale analysis of formation damage in Bentheimer sandstone with in-situ NMR and micro-computed tomography experiments. / Al-Yaseri, A.Z.; Lebedev, M.; Vogt, Sarah; Johns, Michael; Barifcani, A.; Iglauer, S.

    In: Journal of Petroleum Science and Engineering, Vol. 129, 2015, p. 48-57.

    Research output: Contribution to journalArticle

    TY - JOUR

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    AU - Al-Yaseri, A.Z.

    AU - Lebedev, M.

    AU - Vogt, Sarah

    AU - Johns, Michael

    AU - Barifcani, A.

    AU - Iglauer, S.

    PY - 2015

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    AB - © 2015 The Authors. We investigated fines movement through sandstone in-situ at the micrometre pore scale and studied the associated pore-scale mechanisms leading to formation damage. We used two in-situ techniques to accomplish this, namely nuclear magnetic resonance T2 relaxation time (NMR) measurements (of pore size distributions) and high resolution x-ray micro-computed tomography (μCT; at high resolutions of (0.89μm)3 and (3.4μm)3). The μCT images showed the precise 3D location of the fines particles in the plug and demonstrated that initially pore throats are plugged, followed by filling of adjacent pore bodies by solid particles. These measurements in combination with traditionally used (indirect) permeability and production curve measurements and ex-situ SEM imaging enabled us to propose a new mechanistic pore-scale plugging model; furthermore we demonstrated that the amount of fines trapped decayed rapidly with core depth. We conclude that it is feasible to analyse formation damage in-situ by a combination of NMR and μCT measurements.

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