Pore-Scale Characterization of Gas Flow Properties in Shale by Digital Core Analysis

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    Abstract

    The characterization of flow properties for shale gas reservoirs is of importance but is more complex than for conventional petroleum reservoirs. The complications arise from the tightness of pore space and the diverse chemical compositions of the matrix as well as nonDarcy flow processes taking place within pore space. All these pose real challenges to develop reliable and robust laboratory core measurement techniques. Digital core analysis is shown to have potential to compliment laboratory measurement techniques. This chapter summarizes some of the work on developing digital core analysis technology for flow characterization of gas shale and on assessing the impact of slip flow, Knudsen diffusion, and gas adsorption on the permeability of free gas.
    Original languageEnglish
    Title of host publication Unconventional Oil and Gas Resources Handbook
    Subtitle of host publicationEvaluation and Development
    EditorsY. Zee Ma, Stephen A. Holditch
    PublisherElsevier
    Pages127-150
    Number of pages24
    ISBN (Electronic)978-0-12-802238-2
    DOIs
    Publication statusPublished - 2016

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    Ma, J. (2016). Pore-Scale Characterization of Gas Flow Properties in Shale by Digital Core Analysis. In Y. Z. Ma, & S. A. Holditch (Eds.), Unconventional Oil and Gas Resources Handbook : Evaluation and Development (pp. 127-150). Elsevier. https://doi.org/10.1016/B978-0-12-802238-2.00004-3