Percentage of recoverable hydrocarbon reserves recovered:

\rm DR = \frac{V_{recovered \ reserves}}{V_{recoverable \ reserves}}


It always ranges  and is related to Recovery Factor (RF) as:

\rm DR = \frac{RF}{EUR}

where EUR is Estimated Ultimate Recovery.

See Also


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

Recovery Factor (RF) ]