Средняя цена нефти марки Urals по итогам января - сентября 2017 года составила $ 50,55 за баррель.

Brent crude, the global benchmark, was down 12 cents at $56.67 a barrel at 0846 GMT. It notched up a third-quarter gain of around 20 percent, the biggest third-quarter increase since 2004 and traded as high as $59.49 last week. U.S. crude was down 17 cents at $51.50. The U.S. benchmark posted its strongest quarterly gain since the second quarter of 2016.

A snap poll conducted by price reporting agency S&P Global Platts showed that two-thirds of conference attendees thought crude would hold in a narrow range of between $50 and $60 a barrel in the coming year, exactly where it was today.

U.S. crude CLc1 was down 8 cents at $51.48 a barrel at 0641 GMT, after earlier rising slightly. Still, the contract is heading for a fourth consecutively weekly gain and is on track for a 9 percent advance this month. Brent LCOc1 rose 1 cent to $57.42 a barrel, heading for a fifth weekly climb and a nearly 10 percent gain for September.

“Fifty-dollar WTI is not high enough to support a material uptick in oilsands investments,” said Randy Ollenberger, managing director of oil and gas equity research for BMO Capital Markets. “Sustained US$60-plus oil prices are required to support most projects.”

Brent November crude futures were down 14 cents at $58.30 a barrel at 0832 GMT, while U.S. crude for November delivery edged up 11 cents to $51.99.

The Organization of the Petroleum Exporting Countries, Russia and several other producers have cut production by about 1.8 million barrels per day (bpd) since the start of 2017, helping lift oil prices by about 15 percent in the past three months.

International benchmark Brent crude futures were at $56.51 a barrel at 0644 GMT, up 8 cents, or 0.14 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were up 12 cents, or 0.24 percent, at $50.67 per barrel.

The October light, sweet crude contract on the New York Mercantile Exchange gained 2¢ to settle at $49.91/bbl on Sept. 18. The November contract dropped 9¢ to settle at $50.35/bbl. The NYMEX natural gas price for October rose 12¢ to $3.14/MMbtu. The Henry Hub cash gas price climbed by 11¢ to $3.10/MMbtu. Heating oil for October fell nearly 2¢ to a rounded $1.78/gal. The NYMEX reformulated gasoline blendstock for October was up less than 1¢ to $1.67/gal on Sept. 18. The Brent crude contract for November on London’s ICE fell 14¢ to $55.48/bbl. The December contract declined 17¢ to $55.25/bbl. The gas oil contract for October was $525/tonne, down $9.75. OPEC’s basket of crudes for Sept. 18 was $53.78/bbl, up 14¢.

The NYMEX October natural gas futures contract jumped 12.2 cents Monday to settle at $3.146/MMBtu, with warmer-than-average weather expected to persist through the end of September across major demand areas.