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LaTeX Math Block
anchor<qOW>
alignmentleft
<q_W> = a \cdot <q_O> + b


where

LaTeX Math Inline
body<q_W>, \ <q_O>

are weighted average of

LaTeX Math Inline
bodyq_W
 and
LaTeX Math Inline
bodyq_O


There are different ways to calculated weighted average of the dynamic variable, for example:

t-weighted

q-weighted

LaTeX Math Block
alignmentleft
<A>
\<A\>_t = \frac{1}{t} \int_o^t A(t) \, dt
LaTeX Math Block
alignmentleft
<A>_q = \frac{1}{Q(t)} \int_o^t A(t) 
*
\, q(t) \, dt


See Also

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

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