Brent crude futures LCOc1 fell as far as 2 percent before clawing back to trade up 29 cents at $47.44 per barrel at 1008 GMT. U.S. West Texas Intermediate (WTI) crude futures CLc1 also recouped early losses and were trading up 15 cents at $46.21 per barrel.

At 1040 GMT (5:40 a.m. ET), Brent crude futures LCOc1 were trading at $48.89, down 6 cents from their close. U.S. West Texas Intermediate (WTI) crude CLc1 was down 2 cents at $47.94 per barrel.

Brent crude oil futures LCOc1 were up 85 cents a barrel at $49.75 by 1000 GMT (5:00 a.m. ET), having earlier risen $1 in a push against the $50 mark for the first time since the end of October. U.S. West Texas Intermediate (WTI) crude futures CLc1 were up 68 cents, or 1.4 percent, at $48.92 a barrel.

Brent crude oil LCOc1 was up 60 cents a barrel at $47.23 by 1120 GMT (6:20 a.m. ET). U.S. light crude CLc1 was up 50 cents at $46.07.

Brent crude oil LCOc1 was up 60 cents a barrel at $47.23 by 1120 GMT (6:20 a.m. ET). U.S. light crude CLc1 was up 50 cents at $46.07.

Global benchmark Brent crude LCOc1 was down 39 cents at $46.56 a barrel at 0917 GMT. It closed Tuesday 5.7 percent higher on news that members of the Organization of the Petroleum Exporting Countries would renew efforts to limit production. U.S. crude CLc1 was 47 cents lower at $45.34 a barrel.

Light, sweet crude for December delivery settled down 9 cents, or 0.2%, at $43.32 a barrel on the New York Mercantile Exchange, the lowest settlement since Sept. 19. U.S. oil fell as low as $42.20 a barrel, the lowest intraday price since mid-August, before a rebound throughout the afternoon. Brent, the global benchmark, fell 32 cents, or 0.7%, to $44.43 a barrel, its lowest settlement since Aug. 10.

Brent crude futures LCOc1 were down 2 cents on the day at $44.73 a barrel by 1005 GMT (5:05 a.m. ET), while NYMEX crude futures CLc1 were down 6 cents at $43.35 a barrel.

The downturn produced a leaner, more efficient U.S. shale industry that was forced to develop and quickly adapt new technology to compete with conventional oil supplies during a two-year period of depressed prices.

International Brent crude oil futures LCOc1 were trading at $45.77 per barrel at 0743 GMT (2:43 a.m. ET), down 7 cents from their last close. U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were trading down 10 cents at $44.56 per barrel, weighed down by weakening U.S. demand.