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In Petroleum Industry this term depends on context and may mean pipeline flowrate or wellbore flowrate which can be measured at separator (and called Surface flowrate) or downhole (and called Sandface flowrate).
Volumetric flowrate is
is related to mass flowrate LaTeX Math Inline body q_A
and fluid density LaTeX Math Inline body \dot m_A
as:LaTeX Math Inline body \rho
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