Ratio of cumulative water production to cumulative oil production :

{\rm ΣWOR}=\frac{Q^{\uparrow}_W}{Q^{\uparrow}_O}

It relates to Cumulative watercut (ΣY_W) as:

{\rm ΣWOR}=\frac{ΣY_W}{1-ΣY_W}

See Also

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

[ Water cut (Y_W) ]