Iran has sent abroad between 250,000 bpd and 500,000 bpd of oil so far in May, according to two industry sources who track the flows. Data from Refinitiv Eikon put crude shipments at about 250,000 bpd and exports of crude and condensate, a light oil, at about 400,000 bpd.

Libya is currently pumping almost 1.3 million b/d, National Oil Corporation Chairman Mustafa Sanalla told reporters. While production and exports have so far been unaffected by the recent escalation in fighting between the self-styled Libyan National Army, forces loyal to the UN-backed government and other militia groups, the violence threatens to destroy oil fields and export infrastructure, he said.

U.S. crude oil production sustained a record-tying 12.1 million barrels per day (mb/d) in April while total petroleum demand was the highest for the month since 2007 at 20.2 million barrels per day.

July ICE Brent crude futures were up 35 cents/b (0.48%) from Thursday's settle to $72.97/b, while the NYMEX June light sweet crude contract gained 41 cents/b (0.65%) at $63.28/b.

The region needs more peace and stability to ensure the flow of oil supplies, Mohammad Sanusi Barkindo, Secretary-General of the Organisation of the Petroleum Exporting Countries, OPEC, has said, noting that, "Any tension that occurs in the region affects the whole world."

Brent crude futures were at $71.06 a barrel at 0646 GMT, down 18 cents, or 0.3%, from their last close. Brent ended 1.4% higher on Tuesday. U.S. West Texas Intermediate (WTI) crude futures were at $61.33 per barrel, down 45 cents, or 0.7%, from their previous settlement. WTI closed up 1.2% in the previous session.

IEA - Our headline growth estimate for 2019 has changed little since the middle of last year, but this month we cut it by 90 kb/d to a still healthy 1.3 mb/d.

The sanctions have already more than halved Iranian oil exports to 1 million bpd or less, from a peak of 2.8 million bpd last year. Exports could drop to as low as 500,000 bpd from May, an Iranian official told Reuters this month.

Brent crude futures were at $71.00 a barrel, up 38 cents, or 0.5%, from their last close by 0624 GMT. U.S. West Texas Intermediate (WTI) futures were at $61.73 per barrel, up 7 cents, or 0.1%, from their previous settlement.

OPEC's collective crude oil production in April held relatively steady from March, rising just 30,000 b/d to 30.26 million b/d,

Brent crude oil futures were at $69.94 per barrel, 6 cents, or 0.1 percent, above their last close. U.S. West Texas Intermediate (WTI) crude futures were at $61.56 per barrel at 0057 GMT on Wednesday, 17 cents, or 0.3 percent, above their last settlement.

Brent spot prices will average $70/b in 2019 and $67/b in 2020, compared with an average of $71/b in 2018.

Brent crude oil futures trading at $69.34 per barrel, down $1.51, or 2.1 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were at $60.57 per barrel at 0646 GMT on Monday, down $1.37 per barrel, or 2.2 percent, from their last settlement.

Brent crude oil futures were at $71.47 per barrel, U.S. West Texas Intermediate crude futures were down 76 cents at $62.84 per barrel.

Russia is meeting its obligations under the OPEC/non-OPEC crude production agreement, and participants remain committed to the arrangement, despite ongoing uncertainty over world energy market developments.