Definition: Natural gas (Code 4100)
Energy
Natural gas comprises gases occurring in underground deposits, whether liquefied or gaseous, consisting mainly of methane. Natural gas includes “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).
Source:
Regulation (EC) No 1099/2008 On Energy Statistics, Joint International Energy Agency/Eurostat/United Nations Economic Commission For Europe annual questionnaire on solid fossil fuels and manufactured gases
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