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Ontology
Overview
/
Open Energy Ontology
/ Class - natural gas
Label: natural gas
Definition:
Natural gas is a gas mixture occurring in underground deposits, whether liquefied or gaseous, and consisting mainly of methane.
Sub classes:
associated gas
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Definition:
Associated gas is a natural gas that is a byproduct from crude oil exploitation.
colliery gas
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Definition:
Colliery gas is natural gas found in coal mines (British English: colliery). The main component is methane. Synonyms are firedamp, mine gas. It is used as a fossil fuel.
compressed natural gas
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Definition:
Compressed natural gas (CNG) is natural gas that has been compressed.
liquefied natural gas
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Definition:
Liquefied natural gas (LNG) is natural gas that has a liquid state of matter.
non associated gas
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Definition:
Non associated gas is natural gas originating from fields producing hydrocarbons only in gaseous form.
Back to the super classes:
gas mixture
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Definition:
A gas mixture is a portion of matter that is a composition of different kinds of portions of matter and that has a gaseous normal state of matter.
Ontology