Russia's President Putin says it is ready to join a proposed freeze of oil output by OPEC members but did not say at what level it would cap output.
Oil producers in the OPEC cartel have agreed they need to cut production to address a supply glut and lift prices - but the devil is in the details.
OPEC has agreed to cut its oil output for the first time since 2008.
Saudia Arabia has softened its stance on Iran pumping more oil, but an OPEC deal to freeze output remains elusive.
European stock markets are suffering a nervous Monday as investors sold off energy company and bank shares - with Deutsche Bank the biggest loser.
In this edition of Business Line we look at the chances of OPEC and non-member producers, including Russia, reaching an agreement on limiting oil production.
Oil prices jumped on Monday after Venezuela's President Nicolas Maduro said OPEC and non-OPEC countries are close to reaching a deal to stabilise markets.
Oil prices were down again on Tuesday following pessimistic predictions about the growth in demand from the International Energy Agency.
Saudi Arabia and Russia have agreed to cooperate over oil, with a task force to recommend measures and actions, but no immediate action by the world's two top producers.
A freeze of oil output by major producers is looking more likely as Saudi Arabia signals a change in approach ahead of an OPEC meeting in Algeria later this month.
Oil prices have slipped amid fading hopes of an agreement to limit production even with the market being hugely oversupplied.
Crude oil prices have slipped back after hitting an eight-week high following their longest run of gains in four years in the belief that a limit on output will not be agreed by producers.
OPEC has failed to agree on limiting output which would have boosted the price of crude but Saudi Arabia promised not to flood the oil market with extra barrels.
The International Energy Agency is no longer so concerned about the oil market "drowning in supply" this year and says unplanned disruptions to output could help run down the global glut of crude.
In this edition of Business Line we look in depth at the major oil producers attempts to stop prices falling and why they failed, plus the good news for the music industry from the digital revolution.
Oil price tumbled on Monday and OPEC's credibility has been seriously undermined with the failure of talks to try to freeze the production of crude.
Oil prices continue to be pulled down by the lack of a deal between OPEC and other countries to freeze production.
OPEC is very unlikely to cut oil output at its next meeting in June, even if crude prices remain extremely low, according to OPEC sources and delegates
Iran has said it supports in principle the freezing of oil production but stopped short of offering to limit its output in response to a Saudi and Russian proposal aimed at pushing up prices.
Saudi Arabia, Russia, Venezuela and Qatar have agreed to freeze their country's oil output, but only if other major producers do the same. There will now be talks with Iran and Iraq.
The International Energy Agency thinks oil prices won't rise significantly this year as declines in US output take time and OPEC is unlikely to agree with other producers to cut output.
The bad news keeps pouring out of the oil industry. BP suffered its biggest loss in 20 years and Exxon Mobil has reported its smallest quarterly profit in more than a decade.
Russian Energy Minister Alexander Novak has confirmed that Saudi Arabia had proposed oil producing countries cut production by up to 5 percent each in order to support weak oil prices.
Crude prices rose on Tuesday on hopes that OPEC and non-OPEC producers may be edging closer to a deal to pump less oil and address a supply glut.
UK oil company BP is set to pay the price for plummeting prices. It has announced it is to shed 4,000 jobs globally, 600 of which will be lost from
Volatile trading in oil has prompted calls for an emergency meeting of the Organisation of the Petroleum Exporting Countries. Benchmark Brent crude
Oil prices tumbled four percent on Monday, coming close to their 11-year low – amid fears that the global surplus could worsen in the coming months
Unfazed by tumbling prices, undeterred by low demand, OPEC raised its production of crude oil to a three-year high in November. Failure to agree a
Faced with the challenge of a declining oil market The United Arab Emirates, a major crude producer in the Gulf is striving to diversify its economy
US crude fell below $37 (34 euros) a barrel on Tuesday, and Brent below $40 (36.7 euros) for the first time since early 2009. Oil prices then