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LaTeX Math Block
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\Psi^n(p_b) - \Psi^n(p_{wf}) = (q - q_b) \left[  \frac{1}{(q_\mathrm{max}-q_b)} \cdot \Psi^n(p_b) +  \frac{(q-q_\mathrm{max}) (a_0 + a_1 \, q)}{ b_0 + b_1 \cdot q  + b_2 \cdot q^2} \right], \ \  H(q) = \frac{\sum_{k =1..n} a_k \, q^k}{\sum_{k =1..n+1} \quadb_k \, q^k}, \ \ , \quad p_b > p_r > p_{wf} 

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bodyp_{wf}

bottom-hole pressure (BHP)

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bodyp_b

bubble-point pressure

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bodyq

sandface flowrate

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body--uriencoded--q_\mathrm%7Bmax%7D

Absolute Open Flow (AOF) 

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body\Psi(p)

pseudo-pressure function specific to fluid type

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bodyn

pseudo-pressure curvature

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bodya

laminar flow coefficient

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bodyb

turbulent flow coefficient

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