BLOOMBERG - West Texas Intermediate for January delivery was at $57.72 a barrel on the New York Mercantile Exchange, up 32 cents, at 7:50 a.m. in London. Total volume traded was about 16 percent below the 100-day average. Prices rose 10 cents to $57.40 on Thursday, capping a 5.6 percent gain for November. Brent for February settlement climbed 43 cents to $63.06 a barrel on the London-based ICE Futures Europe exchange. The January contract expired Thursday after adding 46 cents, or 0.7 percent, to $63.57. The global benchmark crude was at a premium of $5.32 to February WTI.

МИНЭНЕРГО РОССИИ - «Мы успешно и конструктивно провели переговоры по продлению сделки. Мы удовлетворены результатами балансировки рынка, сокращением излишков нефти и нефтепродуктов, снижением волатильности цен, а также возврату инвестиционной активности в отрасли. В тоже время мы также единодушно подтвердили то, что мы находимся лишь в середине пути, и для того, чтобы достичь окончательной цели по балансировке рынка, нам нужно продолжить совместные усилия».

PLATTS - Saudi Arabia reasserted its leadership of the oil market Thursday after brokering its desired extension of output cuts with OPEC and non-OPEC partners through to the end of 2018. The deal -- agreed after nearly nine hours of negotiations in Vienna -- kept its new ally Russia onside and prevented a sell-off that many analysts had feared.

BLOOMBERG - OPEC and its allies outside the group agreed to maintain oil production cuts until the end of 2018, extending their campaign to wrest back control of the global market from America’s shale industry.

INVESTOPEDIA - The Koch brothers have become well-known for their libertarian and conservative politics, and are often portrayed as significant personalities that impact elections and government decisions.

REUTERS - U.S. West Texas Intermediate (WTI) crude futures were at $57.67 a barrel at 0427 GMT, down 32 cents, or 0.6 percent below their last settlement. Brent crude futures, the international benchmark for oil prices, were at $63.14 a barrel, down 47 cents, or 0.7 percent.

BLOOMBERG - Implied volatility, a gauge of expected price moves, dropped to about 22 percent on Friday for New York-traded crude. That was the lowest level since early March and close to a three-year low. Other gauges of turbulence have also traded at multi-year lows since the start of October, despite the escalating tensions and meetings this week in Vienna, where OPEC and allied oil-producer states will discuss the extension of supply curbs that propped up the market.

OGJ - Phase II production from Weizhou 12-2 oil field has been brought on stream, CNOOC Ltd. said of its project in Beibu Gulf in the South China Sea.

OGJ - Total SA announced Nov. 27 that the Petroleo Brasileiro SA (Petrobras)-led Libra consortium has brought production on stream in ultradeep waters 180 km offshore Rio de Janeiro in Brazil’s presalt Santos basin.

BLOOMBERG - West Texas Intermediate for January delivery was at $58.51 a barrel on the New York Mercantile Exchange, down 44 cents, at 10:22 a.m. London time. Total volume traded was about 24 percent above the 100-day average. Prices gained 93 cents to $58.95 on Friday, capping a 4.2 percent weekly advance. Brent for January settlement fell 21 cents to $63.65 a barrel on the London-based ICE Futures Europe exchange, after rising 1.8 percent last week. The global benchmark crude traded at a premium of $5.11 to WTI.