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Percentage of total hydrocarbon reserves recovered by a given time moment

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bodyt
:

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{\rm RF}(t) = \frac{{ \rm V_{recovered \ reserves}}(t)}{{\rm V_{total \ reserves}}}


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 Rate (DR) as:

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

where EUR is Estimated Ultimate Recovery.

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