Western sanctions over Ukraine hit Russian oil firms
With oil prices at their lowest for years, Opec's meeting in Vienna will be closely watched, particularly in Russia, which depends heavily on oil exports.
Moscow is trying to persuade Opec members to cut production in order to increase prices.
Meanwhile, Russian oil companies are facing difficulties because of Western sanctions over Ukraine, as Olga Ivshina reports.
27 Nov 2014
- From the section Europe