Part of Gas In Place (GIP) which can be recovered to the surface under specific FDP.
The maximum volume of Gas Reserves for a newly explored field is called Estimated Ultimate Gas Recovery (EUGR).
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Gas In Place (GIP)
[ Hydrocarbon Reserves ] [ Oil reserves ]
[ Estimated Ultimate Gas Recovery (EUGR) ]