When OPEC ministers descend on Vienna to decide oil production policy, their meetings are usually accompanied by displays of brotherhood between the men in charge of a third of global crude supplies.

Opec and allies led by Russia on Thursday agreed one of the deepest output cuts this decade to prevent oversupply in a deal that will apply for the first three months of 2020.

Doha-headquartered Gas Exporting Countries Forum (GECF) and the Vienna-based Organisation of the Petroleum Exporting Countries (Opec) have entered into a pact to strengthen co-operation ...

Oil steadied above $62 a barrel on Tuesday as firmer equities and expectations OPEC and its allies will keep withholding supply countered concern about slowing economies and demand.

Iran has no plans to leave the Organization of the Petroleum Exporting Countries despite being treated like an enemy by some fellow members, Oil Minister Bijan Zanganeh said in an interview published on Saturday.

Iran has told Opec that it opposes delaying the oil producer group's next meeting, setting the scene for another fight with fellow members as US sanctions put Tehran under unprecedented economic pressure ...

Opec is in the dark on the oil supply outlook for the second half of this year, with Iranian and Russian outages looking increasingly significant but Saudi Arabia reluctant to pump more due to fears of a price crash ...

Opec is determined to avoid a global "energy crisis" as some of its members are facing international sanctions and others struggling with unrest, the group's secretary-general said in Tehran on Thursday.

Oil prices hit their highest in about six months on Tuesday as sources said Gulf Opec members were ready to raise output only if there was demand before offsetting any shortfall following a US decision ...

Saudi Arabia is having a hard time convincing Russia to stay much longer in an Opec-led pact cutting oil supply, and Moscow may agree only to a three-month extension, three sources familiar with the matter said.

Gas Exporting Countries Forum (GECF) secretary-general Yury Sentyurin and Organisation of Petroleum Exporting Countries (Opec) secretary-general Mohamed Sanusi Barkindo met on Wednesday ...

Indian Oil Corp , the country's top refiner, has signed its first annual deal to buy US oil, paying about $1.5 billion for 60,000 barrels a day in the year to March 2020 to diversify its crude sources ...