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LaTeX Math Block
anchorQF556
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\frac{q}{q_{\rm max}} = 1 - 0.2 \, \frac{p_{wf}}{p_r} - 0.8 \Bigg(\frac{p_{wf}}{p_r} \Bigg)^2  \quad , \quad p_b > p_r > p_{wf}


where

LaTeX Math Inline
bodyq = q_O

surface tank oil production

LaTeX Math Inline
bodyq_{max}

Absolute Open Flow (AOL)

LaTeX Math Inline
bodyp_{wf}

bottom-hole pressure (BHP)

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bodyp_r

field-average formation pressure

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bodyp_b

bubble-point pressure


A more general forms of IPR is provided by Vogel IPR @ model and Wiggins IPR @ model.

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