Norway could increase its gas supplies to Europe but would not be able to replace Russian gas, CEO of Norwegian gas company Statoil Helge Lund said.
Norway is Europe's second biggest gas supplier after Russia.
Russian state-controlled Gazprom cut off gas supplies to Ukraine over a price dispute, saying there was "not insignificant" risk for Russian gas transit to the EU.
Gas flows to Europe have been stable so far since Gazprom cut-off its supplies to Ukraine.
More top news
Ed Miliband is demanding the Conservatives must "come clean" over their plans for the NHS amid claims of greater privatisation
Thousands of Ethiopian Jews have taken to the streets of Tel Aviv to protest against racism and police brutality
Temperatures will be on the warm side tomorrow as much of the country looks forward to a fine bright start to the day.