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k_a = k_0 \, \phi^m |
where
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This model was thought to be empirical for a very long time but later on it was shown that it has a clear physical meaning.
Если общий объем низкопоровых пропластков в пределах залежи велик и суммарные запасы внутри таких пропластков значительны, то пренебрегать проницаемостью в таких пропластках нельзя и необходимо строить двухкомпонентную модель, учитывающая различие в модели проницаемости для низкопроницаемых и высокопроницаемых пропластках.
Популярной моделью на этом пути является модель двухстепенной проницаемости:
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k = k_1 \, \phi^{m_1} + k_2 \, \phi^{m_2} |
where
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This is a complex empirical model which does not directly rely on the Flow Zone Indicator.
Usually, the first component в котором компонента
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This allows to cover a wider range of porosity variations comparing to single-component power law permeability @model.
This model was thought to be empirical for a very long time but later on it was shown that it has a physical meaning within the frame of fluid percolation through a porous medium with fractal structure.
See also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics / Absolute permeability / Absolute permeability @model
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