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Percentage of recoverable recoverable hydrocarbon reserves recovered:

LaTeX Math Block
anchor1
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\rm DF = \frac{V_{recovered \ reserves}}{V_{recoverable \ reserves}}

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The Depletion Factor concept splits naturally into two categories: 

Oil Recovery Factor (RFO)Gas Recovery Factor (RFG)


(3)

RFO=QOVSTOIIPRFO=QO↑VSTOIIP



(4)

RFG=QGVSTGIIPRFG=QG↑VSTGIIP


QOQO↑

cumulative oil production

QGQG↑

cumulative gas production

VSTOIIPVSTOIIP

STOIIP

VSTGIIPVSTGIIP

STGIIP


See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling / Production Analysis

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