Rosneft and the China National Petrochemical Company (ChemChina) signed a Heads of Agreement on establishing a Joint Venture. The document was signed by Rosneft Chief Executive Officer Igor Sechin, and General Manager of ChemChina Yang Xingqiang.

Gazprom joins Lukoil PJSC and Zarubrezhneft OAO in Russia, Iran’s Oil Minister Bijan Namdar Zanganeh said in Tehran at the signing ceremony. Salbali Karimi, managing director of the Iranian Central Oil Fields Co., and Alexander Dyukov, chairman of the management board and chief executive officer of Gazprom Neft, signed the memorandum of understanding.

President-elect Donald Trump named the head of Exxon Mobil Corp, Rex Tillerson, as his choice for U.S. secretary of state on Tuesday and won backing from some Republican foreign policy figures ahead of a possible Senate fight over the oilman's ties to Russia.

The first global crude supply pact in 15 years has underlined the growing energy alliance between Saudi Arabia and Russia, as the depth of the two-year oil slump forces co-operation between once unlikely partners.

Rosneft Board of Directors has approved a strategic cooperation agreement with Qatar Investment Authority and Glencore, providing for further cooperation in upstream projects, logistics and global trading.

The U.S. government is to check if sanctions where violated when Russia this week struck a deal to sell a stake in oil producer Rosneft to a consortium of Qatar's sovereign fund and commodities trader Glencore, the White House said.

Glencore and the sovereign wealth fund of Qatar are to take a 19.5 per cent stake in Russian oil company Rosneft in a surprise €10.5bn deal

Russia has also benefited this year from oil's price stabilization and a recent deal between major crude producers to curb output has raised expectations of higher prices next year. The central bank has a medium-term oil price forecast of $40 a barrel.

Oil prices slipped on Friday as some investors opted to cash out after Brent touched 16-month a high on Thursday, with optimism over this week's OPEC-Russia accord on cutting output giving way to questions on the "sticking point" of implementing the deal.

Russia promised to support a push by the Organization of Petroleum Exporting Countries to reduce a global oil oversupply after the group agreed to cut production by 1.2 million barrels a day on Wednesday. Energy Minister Alexander Novak pledged Russia would cut its own output by as much as 300,000 barrels a day, a stronger move than the previously preferred position of a freeze.