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Hall plot

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LaTeX Math Inline
bodyP(t) = \int_0^t \left( p_{wf}(t)(\tau) - p_e(\tau) \right) d\tau
 vs 
LaTeX Math Inline
bodyQ(t) = \int_0^t q_t(\tau) d\tau


It shows unit slope for PSS SS flow regime:

LaTeX Math Block
anchorpwf
alignmentleft
p_{wf}P(t) = p_i + J^{-1} q_t + \frac{1}{ V_{\phi} \, c_t} Q(t)Q(t)

where


LaTeX Math Block
alignmentleft
J = \rm const



constant productivity index


See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling / Production Analysis

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