Volumetric value of of current (remaining) Gas In Place (GIP) recalculated to NTP conditions.
The estimation algorithm is based on STGIP @model.
Before the anthropogenic invasion the current and initial volumes of natural gas are the same: STGIP = STGIIP
See Also
...
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon In Place (HCIP) / Gas In Place (GIP)
[ Surface Tank Hydrocarbon In Place (STHCIP) ] [ Stock-Tank Oil In-Place (STOIP) ]
...