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LaTeX Math Inline
bodyt

time

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body\{ {--uriencoded--%7B\rm r} r%7D = (x,y,z) \}

reservoir location

LaTeX Math Inline
body--uriencoded--\mathbf%7Br%7D_k

Well–reservoir contact for 

LaTeX Math Inline
bodyk
-th  well


LaTeX Math Block
anchor1
alignmentleft
p = \frac{1}{3} \cdot \left( p_w + p_o + p_g \right)



3-phase average reservoir pressure


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anchorqt
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q_t(\mathbf{r}) = q_w + q_o + q_g = B_w \, q_W + (B_o - R_s \, B_g) \, q_O + (B_g - R_v \, B_o) \, q_G



total sandface flowrate
at reservoir location

LaTeX Math Inline
body\mathbf{r}


LaTeX Math Block
anchor1
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B_w, \ B_o, \ B_g 



formation volume factors
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchor1
alignmentleft
\phi(\mathbf{r})



effective porosity
in reservoir location

LaTeX Math Inline
body\bf r
at reference pressure
LaTeX Math Inline
bodyp_{\rm ref}


LaTeX Math Block
anchor0OM3S
alignmentleft
s(\mathbf{r}) = \{ s_w(\mathbf{r}), \ s_o(\mathbf{r}), \ s_g(\mathbf{r})  \}



reservoir saturation
as a function of location

LaTeX Math Inline
body\bf r



LaTeX Math Block
anchor0OM3S
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c_t = c_r + c_w s_w +  c_o s_o +  c_g s_g  + s_o [ R_{sp} + (c_r  + c_o)  R_{sn} ] + s_g [ R_{vp} + R_{vn}(c_r + c_g) ]



LaTeX Math Block
anchor1
alignmentleft
с_r



reservoir pore compressibility
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}


LaTeX Math Block
anchor1
alignmentleft
с_w, \ с_o, \ с_g



fluid compressibilities
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchorRHTVX
alignmentleft
M = M_w + M_o \big( 1 + R_{sn} \big) + M_g \big( 1 + R_{vn} \big)



total fluid mobility
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchor6OXKP
alignmentleft
M_w = k_a \cdot M_{rw}



water mobility
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchor6OXKP
alignmentleft
M_o = k_a \cdot M_{ro}



oil mobility at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


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anchor6OXKP
alignmentleft
M_g = k_a \cdot M_{rg}



gas mobility at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchorQBU02
alignmentleft
M_{rw} = \frac{k_{rw}(s)}{\mu_w}



relative water mobility
at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchorQBU02
alignmentleft
M_{ro} = \frac{k_{ro}(s)}{\mu_o}



relative oil mobility at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchorQBU02
alignmentleft
M_{rg} = \frac{k_{rg}(s)}{\mu_g}



relative gas mobility at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}


LaTeX Math Block
anchor1
alignmentleft
k_a(\mathbf{r})



absolute permeability
as a function of location

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body\bf r
at reference pressure
LaTeX Math Inline
bodyp_{\rm ref}



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anchor1
alignmentleft
\mu_w, \ \mu_o, \ \mu_g



water
, oil, gas dynamic viscosity at reference pressure

LaTeX Math Inline
bodyp_{\rm ref}
and temperature
LaTeX Math Inline
bodyT_{\rm ref}



LaTeX Math Block
anchor1
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R_{sn} = \frac{R_s B_g}{B_o} \ , \quad R_{vn} = \frac{R_v B_o}{B_g}



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anchor1
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R_{sp} = \frac{\dot R_s B_g}{B_o} \ , \quad R_{vp} = \frac{\dot R_v B_o}{B_g}



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anchorQL1DV
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\rho = \frac{ M_{rw} \rho_w + M_{ro}  (1 + R_{sn}) \rho_o  + M_{rg}  (1+R_{vn}) \rho_g }{ M_{rw}  + M_{ro}  (1 + R_{sn})  + M_{rg}  (1+R_{vn}) }



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anchor1
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g = 9.81 \ \textrm{m} / \textrm{s}^2



standard gravity


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anchorder
alignmentleft
 \big (   \big)^{\LARGE \cdot} = \frac{d}{dp}



differentiation
with respect to the pressure

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