The volume of Hydrocarbon Reserves having a 50% certainty of getting this volume economically produced.
It corresponds to the P50 cut-off on the Hydrocarbon Reserves Probability Distribution.
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon Reserves / Hydrocarbon Reserves Classification / Hydrocarbon Reserves Uncertainty
[ Proven P90 ][ Possible P10 ]