Ratio of Recoverable Hydrocarbon Reserves Q_{HC} over the current production rate of these reserves q_{HC}:
(1) | \{ rm RPR \} = \frac{Q_{HC}}{q_{HC}} |
It has time units and usually presented in years.
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Recoverable Hydrocarbon Reserves