Volumetric value of of current (remaining) Gas In Place (GIP) recalculated to NTP conditions.
The estimation algorithm is based on STGIIP STGIP @model.
Before the anthropogenic invasion the current and initial volumes of natural gas are the same: STGIP = STGIIP
See Also
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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 Stock-Tank Oil In-Place (STOIP) ]