Brent crude futures, the international benchmark for oil prices, were at $49.55 per barrel at 0456 GMT, down 6 cents, or 0.1 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were at $46.99 per barrel, down 8 cents, or 0.2 percent.

Spain’s Repsol has agreed to establish a joint venture with Russian oil company Gazprom Neft, in the latest move by a European oil and gas company to deepen co-operation with Russia despite western sanctions targeting the country’s energy sector.

Brent crude futures had climbed 13 cents, or 0.3 percent, to $48.90 per barrel by 0643 GMT, after jumping 5.2 percent last week in their first weekly gain in six weeks. U.S. West Texas Intermediate (WTI) crude futures rose 17 cents, or 0.4 percent, to $46.21 per barrel, adding to last week's 7-percent gain.

U.S. Rig Count is up 509 rigs from last year's count of 431, with oil rigs up 415, gas rigs up 95, and miscellaneous rigs down 1 to 0. Canadian Rig Count is up 113 rigs from last year's count of 76, with oil rigs up 77, gas rigs up 37, and miscellaneous rigs down 1 to 0.

OPEC's first output cut in eight years has earned the group $1.64 billion a day so far this year, up more than 10 percent from the second half of 2016, according to Reuters calculations based on OPEC figures for average production and its crude basket price up until June 20.

Brent crude LCOc1 was down 9 cents at $46.56 a barrel at 1033 GMT. It reached a seven-month low of $44.35 on June 21. U.S. crude fell 17 cents to $44.07.

U.S. crude oil and petroleum product gross exports have more than doubled over the past six years, increasing from 2.4 million barrels per day (b/d) in 2010 to 5.2 million b/d in 2016. Exports of distillate, gasoline, propane, and crude oil have all increased, but at different paces and for different reasons.

Global benchmark Brent crude futures were trading up 45 cents, or 1.0 percent, at $45.99 per barrel at 0623 GMT. U.S. West Texas Intermediate (WTI) crude futures were up 43 cents, or 1.0 percent, at $43.44 per barrel.

“Prices can go below $40 a barrel given the market is being dictated by sentiment and not fundamentals. There is nothing to stop it right now.”

Brent futures LCOc1 settled up 32 cents, or 0.7 percent, to $45.54 a barrel. U.S. West Texas Intermediate crude (WTI) CLc1 ended up 27 cents, or 0.6 percent, at $43.01 per barrel.

Total petroleum deliveries in May moved up by 4.9 percent from May 2016 to average 20.1 million barrels per day. These were the highest May deliveries in 10 years, since 2007, and the highest deliveries for any months in over 9 years, since January 2008. Compared with April 2017, total domestic petroleum deliveries, a measure of U.S. petroleum demand, increased 2.7 percent. For year-to-date, total domestic petroleum deliveries moved up 1.5 percent compared to the same period last year.

Preliminary production figures for May 2017 show an average daily production of 1 980 000 barrels of oil, NGL and condensate, which is a decrease of 128 000 barrels per day compared to April.

On Wednesday, Brent LCOc1 was flat at $46.02 a barrel, while U.S. crude futures CLc1 added 4 cents to $43.55.

Prices have fallen more than 20 per cent from their levels in early January, which they last touched in the summer of 2015. A decline of more than 20 per cent from a most recent high is typically considered a bear market.

U.S. crude for July delivery lost 97 cents, or 2.2%, to $43.23 a barrel on the New York Mercantile Exchange, trading at prices it hasn't settled below since Aug. 10. A settlement at $43.56 a barrel or lower put oil into a bear market, which means it has lost 20% or more since the recent high, a nearly one-year high on Feb. 23.