"Why should we do it?" Sechin, known for his anti-OPEC position, told Reuters in Istanbul on Monday evening, when asked if Rosneft, which accounts for 40 percent of Russia's total crude oil output, might cap its own output.

The minister "has affirmed the need to proceed forth with increasing oil and gas production through enhancing the national effort and those of the licensed companies for the remainder of 2016 and also for 2017," the statement said.

Last week, the Organization of the Petroleum Exporting Countries agreed to cut between 200,000 barrels a day and 700,000 barrels a day of their output to reduce a global oil glut. The 14-nation oil-producing group controls over a third of the world’s oil production, but said it also wanted non-OPEC producers to join the effort to curb output.

Britain is estimated to have substantial amounts of shale gas trapped in underground rocks and the government wants to exploit it to help offset declining North Sea oil and gas output. It said the shale gas industry could create 64,000 jobs and help economic growth.

The court judgment released on Wednesday found that the companies owed nearly 484 billion CFA francs in royalties to the Chadian government. It did not explain why the penalties amounted to more than 90 times that amount.

If Nigeria and Libya restore production, the kingdom may need to cut twice as much. U.S. shale drillers also stand ready to fill any supply gap.

Paolo Scaroni, the former chief executive of Italy’s Eni SpA, said Iran is able to pump as much as 4.1 million to 4.2 million barrels daily.

Russian oil production continuing its slow climb for at least the next five years.

Managing director of National Iranian Oil Company (NIOC) Ali Kardor said Iran will not cease to achieve the targeted crude oil output of 4 million barrels per day.

"OPEC made an exceptional decision today ... After two and a half years, OPEC reached consensus to manage the market," said Iranian Oil Minister Bijan Zanganeh, who had repeatedly clashed with Saudi Arabia during previous meetings.