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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2011 Vol.6

    Fractal Sphere Seepage Flow Oil-gas Reservoir Model and its Solution
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    Key Words：Fractal oil and gas reservoir； Spherical flow； Skin effect； Laplace transformation
    Abstract：Established and discussed is the mathematical model for unstable seepage flow for fractal oil and gas reservoir with spherical flow and variable flow rate production and the skin effect. Obtained are the expressions of Laplace space reservoir pressure and bottom hole pressure in three kinds of outer boundary （infinite boundary， constant pressure and closed boundary） conditions by using Laplace transformation， properties of Bessel function and the model of Mathematical Physics Equation and analyzed are influences of fractal dimension， fractal index and skin effect on space reservoir pressure and bottom hole pressure， which are very important for studies on well test analysis of fractal oil and gas reservoir with spherical flow and its seepage flow rules.
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