FIELD: oil and gas industry.
SUBSTANCE: method for modifying a methane-containing gas stream, comprising I) withdrawal of at least one substream from a methane-containing gas stream, II) treatment of substream with an electrically generated plasma, generating a modified gas composition that has a lower fraction of methane than methane-containing stream used, and III) return of modified gas composition into methane-containing gas stream.
EFFECT: said method permits storage of excess flow in a natural gas pipe grid.
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