Brent crude futures rose $1.78, or 2.2%, to $82.58 a barrel, their highest level since late November. West Texas Intermediate crude futures rose $2.18, or 2.8 percent, to $80.03, which is also its highest level since mid-November.
Russia sent troops to Kazakhstan on Thursday to help put down an uprising, after violence and deaths spread across the country. Kazakhstan currently produces 1.6 million barrels of oil per day, and there are no indications that crude production has been affected so far.
On the same day, the Libyan National Oil Corporation said that Libyan oil production reached 729,000 barrels per day, from more than 1.3 million barrels per day last year, due to maintenance work and field closures, and price increases despite the increase in US fuel stocks last week.