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The plot of water production rate

LaTeX Math Inline
bodyq_W
(along y-axis) against the oil production rate
LaTeX Math Inline
bodyq_O
 (along x-axis).

It can be used in for express Watercut Diagnostics of thief water production.

...

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

where

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

are weighted average of

LaTeX Math Inline
bodyq_W
 and
LaTeX Math Inline
bodyq_O

...

LaTeX Math Block
alignmentleft
<\langle A >\rangle_t \ = \frac{1}{t} \int_o^t A(t) \, dt
LaTeX Math Block
alignmentleft
<A>\langle A \rangle_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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