After more than three years of US$100-110 per barrel oil, prices collapsed by nearly 50 percent in late 2014 as the market lost its "manager" after OPEC refused to cut production.

Currency depreciation against the dollar affects oil importers and exporters differently

The world’s biggest energy companies are preparing to cut tens of billions of dollars from capital spending as they set out plans this week to respond to the drastic slide in oil prices.

Iran's oil minister is expressing hope that the OPEC oil cartel will begin cutting production in order to shore up plunging oil prices.

Warming ties between China and Russia are giving a big boost to Chinese imports of Russian oil, to the chagrin of OPEC nations jockeying for a slice of China’s market.

Russia is starting to see a wave of mass layoffs as a result of the plunging economy and needs to rethink where and how fast it spends its reserves, former finance minister Alexei Kudrin said.

Russia to continue implementing Arctic oil and gas projects despite Western sanctions and low oil prices, Russian Energy Minister Alexander Novak said

Russia’s second-largest oil producer Lukoil aims at stabilizing its oil output this year, the company’s CEO Vagit Alekperov said on the sidelines of the World Economic Forum in Davos, Switzerland. “Lukoil aims at stabilizing output throughout Russia in 2015,” Alekperov said.

The head of Italian energy company Eni Spa urged OPEC on Wednesday to act to restore stability in oil prices, which he warned could overshoot to $200 per barrel several years down the road because of low investment now.

Oil services company Baker Hughes Inc. has said that it will lay off about 7,000 workers as it prepares for a downturn.