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Pressure profilePressure gradient profileFluid velocityFluid rate


LaTeX Math Block
anchorPPconst
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p(l) = p_0 + \rho_0 \, g \, z(l)  
- \frac{j_m^2  f_0}{2 \, \rho_0 \, d} \cdot l



LaTeX Math Block
anchorgradP
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\frac{dp}{dl} = \rho_s0 \, g \cos \theta(l) - \frac{\rhoj_sm^2 \, qf_s^2 0}{2 A^2 d}\, \rho_0 \, f_sd}



LaTeX Math Block
anchor1
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q(l) =q_s0 = \rm const



LaTeX Math Block
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u(l) = u_s0 = \frac{q_s0}{A} = \rm const


where

LaTeX Math Inline
body--uriencoded--f_s = f(%7B\rm Re%7D_s, \, \epsilon)

Darcy friction factor at intake point

LaTeX Math Inline
body--uriencoded--\displaystyle %7B\rm Re%7D_s = \frac%7Bu(l) \cdot d%7D%7B\nu(l)%7D = \frac%7B4 \rho_s q_s%7D%7B\pi d%7D \frac%7B1%7D%7B\mu_s%7D

Reynolds number at intake point

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