#340690
Áirítear gás "neamhghaolmhar" a thagann as ceantair a tháirgeann hidreacarbóin i bhfoirm ghásach amháin, agus gás "gaolmhar" a tháirgtear in éineacht le hamhola mar aon le meatán a ghnóthaítear ó mhianaigh ghuail (gás gualchan) nó ó shíoga guail (gás síge guail).
It includes both "non-associated" gas originating from fields producing hydrocarbons only in gaseous form, and "associated" gas produced in association with crude oil as well as methane recovered from coal mines (colliery gas) or from coal seams (coal seam gas).