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Produced or injected flowrate of water across the well-reservoir contact with the volumes measured at the sandface temperature and pressure conditions.


For volatile oil fluid model the For MBO fluid @model the total sandface flowrate 

LaTeX Math Inline
bodyq_w
is related to surface flowrates of water 
LaTeX Math Inline
bodyq_W
 as as (see derivation):

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anchor1
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q_tw = B_w \, q_W

where

LaTeX Math Inline
bodyB_w

formation volume factors between separator and sandface pressure/temperature conditions


See

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Also

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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing (WT) / Flowrate Testing / Flowrate

Well & Reservoir Surveillance ] 

Sandface flowrates ] [ Oil sandface flowrate ] [ Gas sandface flowrate ] [ Water sandface flowrate ]

Surface flowrates ] [ Oil surface flowrate ] [ Gas surface flowrate ] [ Water surface flowrate ]Non-linear multi-phase diffusion derivation @model