Percentage of currently recovered hydrocarbon reserves

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body	--uriencoded--Q_%7BHC%7D

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{\rm RF}(t) = \frac{{Q_{HC}}(t)}{{\rm V_{\rm STHCIIP}}}

It always ranges

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body	--uriencoded--0 \leq %7B\rm RF%7D(t) \leq %7B\rm EUR%7D \leq 100 \%25

and is related to Depletion Factor (DF) as:

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{\rm RF} (t) = {\rm EUR} \cdot {\rm DF}(t)

The Recovery Factor concept splits naturally into two categories:

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{\rm RFO} = \frac{Q^{\uparrow}_O}{V_{\rm STOIIP}}

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{\rm RFG} = \frac{Q^{\uparrow}_G}{V_{\rm STGIIP}}

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body	Q^{\uparrow}_O

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body	--uriencoded--Q%5e%7B\uparrow%7D_G

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body	V_{\rm STOIIP}

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body	--uriencoded--V_%7B\rm STGIIP%7D

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