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LaTeX Math Block
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Y_wW=\frac{q_W}{q_L}


It relates to Water-Oil Ratio (WOR) as:

LaTeX Math Block
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Y_wW=\frac{1}{1+q_O/q_W}=\frac{{\rm WOR}}{1+{\rm WOR}}

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The simplest way to model the watercut Yw in W in a given well is the Watercut (YwYW) Fractional Flow @model:

LaTeX Math Block
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{\rm Y_{wmWm}} = \frac{1}{1 + \frac{M_{ro}}{M_{rw}}  \cdot \frac{B_w}{B_o} } = \frac{1}{1 + \frac{k_{ro}}{k_{rw}}  \cdot \frac{\mu_w }{\mu_o } \cdot \frac{B_w}{B_o}}

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