Russia's No.2 oil producer Lukoil launched an oilfield in western Siberia ahead of schedule on Wednesday, a major step in its drive to prop up falling production and to weather U.S. sanctions over Ukraine.

The U.S. is helping Ukraine plan how to keep homes and businesses heated during winter as the European Union’s incoming chief diplomat warned the government in Kiev may struggle as freezing temperatures approach.

Ukraine national natural gas company Naftogaz said on Friday it has signed an agreement with Norwegian energy company Statoil ASA to deliver gas to Ukraine.

The chairman of a Philippine energy company said Friday a Chinese state-owned oil producer hasn't responded to a revived proposal to jointly explore a disputed area of the South China Sea but drilling will go ahead by 2016 with or without a partnership.

Russia, Ukraine and the European Union moved closer to sealing the deal, with European Commissioner Günther Oettinger announcing on Friday that there is a high probability of signing a binding interim agreement by the end of next week.

Asian companies will replace Western majors if they quit energy projects in Russia due to sanctions over Moscow's role in Ukraine,

France’s Total on Monday said its joint venture with Russia’s Lukoil , to explore shale oil in western Siberia , had ground to a halt as a result of western sanctions.

France’s Total on Monday said its joint venture with Russia’s Lukoil , to explore shale oil in western Siberia , had ground to a halt as a result of western sanctions.

Total Looks to China to Finance Russian Gas Project Amid Sanctions Total SA said it was seeking nondollar financing for a gas project in Russia, becoming the second energy company in several days to indicate that Western sanctions on the Kremlin are affecting expansion plans.

The chief executive of Russia's top non-state oil company Lukoil said on Friday his firm was evaluating the implications of Western sanctions on its joint venture with France's Total.