Saudi Arabia faces a difficult balancing act as it tries to work down excess global crude stocks while protecting relationships with important refining customers in the United States and Asia.

U.S. shale producers are drilling at the highest rate in 18 months but have left a record number of wells unfinished in the largest oilfield in the country – a sign that output may not rise as swiftly as drilling activity would indicate.

Benchmark Brent crude was down 82 cents at $50.14 per barrel at 0936 GMT (5:36 a.m. ET), after dropping to $50.05, its lowest level since OPEC announced on Nov. 30 its plan for cuts. The deal with non-OPEC states was reached in December. U.S. light crude was down 70 cents at $47.54 a barrel, also slipping toward a three-month low.

Brent crude, the international benchmark for oil, was up 42 cents at $52.04 per barrel at 0907 GMT, rebounding from last week's three-month low of $50.25 but well below January's surge above $58 in the wake of the output cuts. U.S. West Texas Intermediate (WTI) crude rose 38 cents to $48.60.

If the Organization of Petroleum Exporting Countries maintains its output cuts and nothing changes elsewhere, demand should overtake supply in this year’s first half, generating an implied market deficit of 500,000 b/d.

Средняя цена на нефть Urals за период мониторинга с 15 февраля по 14 марта 2017 года составила $52,25775 за баррель, или $381,5 за тонну. Согласно расчетам Минфина России экспортная пошлина на нефть в РФ с 1 апреля 2017 года понизится на $2,1 и составит $88,9 за тонну.

U.S. Rig Count is up 313 rigs from last year's count of 476, with oil rigs up 244, gas rigs up 68, and miscellaneous rigs up 1. Canadian Rig Count is up 207 rigs from last year's count of 69, with oil rigs up 137, gas rigs up 68, and miscellaneous rigs up 2.

West Texas Intermediate for April delivery rose as much as 76 cents to $49.62 a barrel on the New York Mercantile Exchange and was at $49.41 at 10:08 a.m. in London. Total volume traded was in line with the 100-day average. Prices climbed $1.14 to close at $48.86 on Wednesday after falling almost 11 percent the previous seven sessions. Brent for May settlement advanced as much as 84 cents, or 1.6 percent, to $52.65 a barrel on the London-based ICE Futures Europe exchange. Prices rose 89 cents to $51.81 on Wednesday. The global benchmark crude was at a premium of $2.48 to May WTI.

Global oil supply could struggle to keep pace with demand after 2020, risking a sharp increase in prices, unless new projects are approved soon, according to the latest five-year oil market forecast.

Saudi Arabia has sought to boost oil sales to China, the world's second-largest oil market, after losing market share to Russia last year, by working mostly with China's top three state oil firms.

U.S. West Texas Intermediate crude (WTI) CLc1 was down 7 cents at $48.33 a barrel, as of 0716 GMT. The contract ended down 9 cents in the previous session after touching its lowest since the end of November at $47.90. Brent crude futures LCOc1 gained 3 cents to $51.32 a barrel, having settled down 2 cents on Monday after dipping as low as $50.85.

"It became evident that U.S. shale oil output has become and will remain a new global oil price regulator for the foreseeable future," Rosneft said.

Compliance of the Organisation of the Petroleum Exporting Countries (OPEC) with an oil output cut exceeded a target, standing at 140% in February.

Rising oil production in the US, which Russia's energy ministry forecasts to grow by 400,000 b/d year on year in 2017, is being monitored, but it should not be considered separate from the global supply and demand balance, he said.

Rosneft and Demiroren Group Companies signed an Agreement on petroleum product supplies during 2018-2020.