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titleDetailing


LaTeX Math Inline
body\sigma = \frac{k \, h}{\mu}

transmissibility

LaTeX Math Inline
body\mu

dynamic fluid viscosity

LaTeX Math Inline
body\chi = \frac{k}{\mu} \, \frac{1}{\phi \, c_t}

pressure diffusivity

LaTeX Math Inline
bodyc_t = c_r + c

total compressibility

LaTeX Math Inline
bodyk

absolute permeability

LaTeX Math Inline
body{c_r}

pore compressibility

LaTeX Math Inline
body{\phi}

porosity

LaTeX Math Inline
bodyc

fluid compressibility




Physical Model

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Constant rate production

LaTeX Math Inline
bodyq_t = \rm const

Linear fluid flow
mathinline
Homogenous reservoir
bodyp(t, x)Homogeneous reservoir
Infinite boundarySlightly compressible fluid flowConstant rate production

LaTeX Math Inline
body

c_t(p) = c_r +c = \rm const

p(t, x)

LaTeX Math Inline
bodyM(x, p)=M =\rm const

LaTeX Math Inline
body\phi(x, p)=\phi =\rm const

LaTeX Math Inline
bodyh(x)=h =\rm const

Infinite boundary

LaTeX Math Inline
bodyx \rightarrow \infty

LaTeX Math Inline
bodyr_w = 0

LaTeX Math Inline
bodyc_t(p) = c_r +c = \rm const

LaTeX Math Inline
bodyq_t = \rm const


Mathematical Model

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titleDefinition



LaTeX Math Block
anchor52112
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\frac{\partial p}{\partial t}  = \chi \, \frac{d^2 p}{dx^2}



LaTeX Math Block
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p(t = 0, x) = p_i



LaTeX Math Block
anchor3MUX9
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p(t, x \rightarrow \infty ) = p_i



LaTeX Math Block
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\frac{\partial p(t, x )}{\partial x} \bigg|_{x \rightarrow 0} = \frac{q_t}{\sigma \, d}



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