Russia’s top investigative body, the federal Investigative Committee, said on its website Tuesday that it wants to question Mr. Khodorkovsky about the murder of Vladimir Petukhov, the mayor of the Siberian city of Nefteyugansk, where Yukos had its biggest oil-production unit.

The efforts of China to ensure its economic development and preeminence include the creation of the “New Silk Road” - the enormous system of infrastructure mega-projects to stretch from the Pacific to the Atlantic. If completed, it will be the largest infrastructure undertaking ever built. Natural gas features prominently in the plan.

The European Union would find it difficult to reduce its reliance on natural gas imports from Russia, according to industry experts.

Greece moving down oil prices. Oil prices fell on Monday, with U.S. crude dipping below $59 per barrel to an almost three-week low, after Greece imposed capital controls as lenders refused to extend the country's bailout.

Natural gas faces growing competition from coal and renewable energy sources at a time when its potential demand growth is slowing down, an International Energy Agency official said. “The last large contracts for [LNG] were signed in 2014 just before oil prices collapsed. We believe it is still competitive, but there are risks,” said Laszlo Varro, who heads IEA’s gas, coal and power markets division.

New corridors along the Nord Stream natural gas pipeline through the Baltic Sea to European markets should be in service by 2019, Russia's Gazprom said.

Argentina and China have respectively drilled more than 275 and 200 wells targeting shale plays over the past 2 years, providing each country with the potential to significantly increase production of shale gas and tight oil.

U.S. Rig Count is up 2 rigs from last week to 859, with oil rigs down 3 to 628, gas rigs up 5 to 228, and miscellaneous rigs unchanged at 3.

Share sales by US oil and gas companies have slowed sharply in recent months, in a sign of the tightening financial pressures on the industry following the fall in crude prices.

Благодаря достигнутым производственным показателям и внешним факторам чистая прибыль Компании выросла почти в 3,5 раза и составила 891,7 млрд руб.

Real gross domestic product -- the value of the production of goods and services in the United States, adjusted for price changes -- decreased at an annual rate of 0.2 percent in the first quarter of 2015, according to the "third" estimate released by the Bureau of Economic Analysis. In the fourth quarter, real GDP increased 2.2 percent.

States are attempting to get their hands on long-term gas supply contracts with the Russian natural gas exporter Gazprom and pave the way for a multi-commodity energy supplier business where they can influence end-user prices directly.

U.S. was keeping the European Union countries on a 'short leash' by forcing them to impose anti-Russia sanctions.

Russia could not provide Ukraine with the gas price discount it once had, days before new gas talks between Russia, Ukraine and the European Union.

Iran produces about 2.7m barrels of oil a day. But a report by Wood Mackenzie, the energy consultancy, to be published on Thursday, says that it could add 600,000 b/d of crude production by the end of 2017, assuming that it strikes a nuclear deal with the US and EU that lifts sanctions.