Brent crude futures were at $54.20 per barrel at 0708 GMT, down 16 cents, or 0.28 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were down 18 cents, or 0.35 percent, at $50.97 a barrel.

Brent crude futures, the international benchmark for oil, were at $54.52 per barrel at 0658 GMT, up 35 cents, or 0.65 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were up 33 cents, or 0.65 percent, at $51.35 a barrel.

The Secretary General reiterated the commendable key role of Iraq, in particular HE Jabbar Al-Luiebi, that was instrumental within OPEC to achieve market stability for both producers and consumers and said Iraq has resumed its leading role in the Organization.

International benchmark Brent futures rose 3 cents, or 0.1 percent, to $53.56 a barrel by 0658 GMT. The March contract closed the previous session down 13 cents at $52.83 a barrel. U.S. West Texas Intermediate crude futures climbed 10 cents, or 0.2 percent, to $50.70 a barrel after settling 25 cents higher in the previous session.

The light, sweet crude oil contract for May settled above $50/bbl on the New York market Mar. 30 while the May Brent contract settled above $52.90/bbl in London. Prices edged lower on both markets on Mar. 31.

Korea Gas Corp (KOGAS), Japan's JERA and China National Offshore Oil Corp (CNOOC) [SASACY.UL] - whose joint liquefied natural gas volumes account for a third of global LNG trade - are attempting to cement a shift in power from producers to importers amid a supply glut that is expected to persist into the early-2020s.

Brent crude futures LCOc1, the international benchmark for oil, were at $52.70 per barrel at 0513 GMT, down 26 cents from their last close. In the United States, West Texas Intermediate (WTI) crude futures CLc1 were down 18 cents at $50.17 a barrel.

Natural gas futures for April delivery traded down by about 1% in advance of the EIA's report, at around $3.20 per million BTUs, and traded at $3.19 shortly after the data release. Natural gas closed at $3.23 per million BTUs on Wednesday, the highest closing price in the past week. The 52-week range for natural gas is $2.56 to $3.65. One year ago the price for a million BTUs was around $2.63.

Front-month Brent crude futures, the international benchmark for oil, rose 29 cents, or 0.6 percent, to $51.62 per barrel by 0653 GMT. In the United States, West Texas Intermediate (WTI) crude futures were up 34 cents, or 0.7 percent, at $48.71 a barrel.

Benchmark Brent crude futures fell by 33 cents, or 0.65 percent, from their last close to $50.47 per barrel by 0653 GMT. In the United States, West Texas Intermediate (WTI) crude futures were down 41 cents, or 0.85 percent, at $47.56 a barrel.

"This reaffirms the commitment of OPEC and participating non-OPEC countries to continue to cooperate," the statement said.

The Joint OPEC/Non-OPEC Ministerial Monitoring Committee (JMMC) convened in Kuwait City for its second meeting on 26 March 2017. It announced that, based on the Report of the Joint OPEC/Non-OPEC Technical Committee (JTC) for the month of February 2017, OPEC and participating non-OPEC countries have continued their progress towards full conformity with their voluntary adjustments in production.

Barclays Commodities Research said its analysts still believe oil prices could rise to $60/bbl in the second quarter assuming inventory draws and the OPEC production cut remains in place. “However, this would likely be temporary, and we forecast prices in the mid $50s/bbl in the second half 2017,” Barclays said.

Benchmark Brent crude futures LCOc1 were at $50.72 per barrel at 1255 GMT, up 16 cents from their last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were up 20 cents at $47.90 a barrel. Brent was heading for a weekly fall of around 2 percent, while WTI was off just over 1.8 percent.

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.