"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.

The November contract for global crude benchmark Brent was up 0.78% at $46.33 while its U.S. counterpart West Texas Intermediate gained 0.58% to hit $44.94.

“We need a gentle adjustment to reassure the market,” Mr. Falih said at a briefing where he was flanked by his Russian counterpart, Alexander Novak.

U.S. West Texas Intermediate (WTI) crude had fallen 38 cents to $45.55 a barrel by 0103 GMT, after rising $1.45, or 3.3 percent, in the previous session. Brent crude futures slipped 43 cents to $46.91 a barrel after closing up $1.46, or 3.2 percent.

Brent crude futures LCOc1 rose 73 cents to $46.62 a barrel by 1052 GMT, having rallied from a session low of $45.74, while U.S. crude prices CLc1 rose 54 cents to $45.02 a barrel.

U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were trading at $45.81 per barrel at 0301 GMT (11:01 p.m. EDT), up 47 cents, or 1 percent, from their previous close. The contract had already gained as much as 3 percent the day before. International benchmark Brent crude futures LCOc1 were also up, gaining 48 cents, or 1 percent, from their last close to $47.31 per barrel.

U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were trading at $45.81 per barrel at 0301 GMT (11:01 p.m. EDT), up 47 cents, or 1 percent, from their previous close. The contract had already gained as much as 3 percent the day before. International benchmark Brent crude futures LCOc1 were also up, gaining 48 cents, or 1 percent, from their last close to $47.31 per barrel.

U.S. West Texas Intermediate (WTI) crude futures were up 1.8 percent, or 81 cents, at $44.86 a barrel at 0403 GMT. The October contract expired yesterday at $43.44 a barrel and the front-month has now rolled over to November delivery. International Brent crude futures were at $46.47 per barrel, up 59 cents, or 1.3 percent, from their last close.

Brent crude futures were at $46.54 per barrel at 0645 GMT (02:45 a.m. EDT), up 77 cents, or 1.7 percent, from their previous settlement. U.S. crude was up 78 cents, or 1.8 percent, at $43.81 a barrel.

Prices may jump more than 35 percent from current levels as they start to reflect the risk of a supply squeeze, according to Citigroup Inc. and trader Gunvor Group.

“We see 2017-2020 as still having the potential for much higher prices. After 2020, there is a high risk that electric vehicle penetration will change the oil market forever.”

On the New York Mercantile Exchange, light, sweet crude futures traded at $43.65 a barrel at 0301 GMT, down 26 cents in the Globex electronic session. Brent crude on London's ICE Futures exchange fell 25 cents to $46.34 a barrel.

Executive Directors welcomed the steps the authorities have taken to adjust to the decline in oil prices and weaker growth in trading partners. However, they noted that the difficult external environment could hamper macroeconomic outcomes in the near term. While Azerbaijan’s policy buffers remain substantial, the balance of payments, fiscal position, and banking system would likely remain under pressure as the economy continues to adjust. Accordingly, Directors stressed the need to press ahead with reforms to secure macroeconomic and financial stability and promote a diversified and private sector-led economy.

On the New York Mercantile Exchange, light, sweet crude futures for delivery in October traded at $43.72 a barrel at 0145 GMT, up $0.14 in the Globex electronic session. November Brent crude on London's ICE Futures exchange rose $0.27 to $46.12 a barrel.

The collapse of oil prices has forced Canadian and global producers to slash costs and curtail investment over the past two years. Even after a rebound from a 12-year low earlier this year, oil futures in New York are still about 60 percent down from their 2014 peak. Prices have been mostly stuck in the $40-$50 range for the past four months.