Volumetric value of current (remaining) Hydrocarbon Reserves (HCR) recalculated to NTP conditions:
STHCR = STOR + STGR
Before the anthropogenic invasion the current and initial volumes of recoverable Petroleum Hydrocarbons are the same: STHCR = STHCIR
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon In Place (HCIP) / Hydrocarbon Reserves (HCR)
[ Stock-Tank Oil Reserves (STOR) ] [ Stock-Tank Gas Reserves (STGR) ]