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Equations
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and
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show how the
basic diffusion model parameters impact the pressure response while other diffusion parameters are encoded in
function and play important methodological role as they are used in many algorithms and express-methods of
Pressure Testing.
In many practical cases the reservoir flow tends to become radial after some time which makes a radial flow pressure diffusion a popular diagnostic tool.
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| title | Line Source Solution |
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In case of infinite homogeneous reservoir, produced by a infinitely small vertical well with no skin and no wellbore storage the function has an exact analytical formula, given by exponential integral | LaTeX Math Inline |
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| body | F(z) = - {\rm Ei} (z) |
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(see Line Source Solution (LSS) @model).
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