By Ahmad Ghaddar
LONDON (Reuters) - Oil prices rose on Monday after Saudi Energy Minister Khaled Al-Faleh said that the market was heading towards balance, although signs of slowing demand in Asia weighed.
Brent crude futures were trading at $50.58 per barrel at 1152 GMT, up 23 cents from their last settlement. U.S. crude futures were up 14 cents at $49.13 per barrel.
U.S. markets are closed on Monday for the U.S. Independence Day holiday.
The energy minister of Saudi Arabia, the world's top crude exporter, and the secretary general of producer club OPEC agreed that global oil markets were heading towards balance, and that prices reflected this.
However, analysts at Morgan Stanley said there were also signs that prices could fall again soon, pointing at stalling gasoline demand and more oil from Canada and Nigeria after production problems.
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The Nigerian National Petroleum Corporation said last week that output was rising following repairs after attacks in the Niger Delta that had pushed crude output to 30-year lows.
A deal to unify Libya's rival national oil corporations could pave the way for the OPEC member to boost output which currently stands at less than a quarter of pre-2011 levels of 1.6 million barrels per day (bpd).
"If the deal materialises it will have a real and considerable impact on the oil market balance for 2017, potentially cancelling out any projected deficit," SEB Markets chief analyst for commodities Bjarne Schieldrop said.
Oil demand and, as a result, prices, could come under pressure as weak refining margins prompt run cuts at a time when plants in Asia are already gearing up for seasonal maintenance work.
"Asia refiners have already started to pull back ... and there are reports of cargoes struggling to sell," Morgan Stanley analysts said on Monday.
Investors are also watching the outlook for U.S. production, with drillers last week adding oil rigs for a fourth week in five, in the best month of producers returning to the well pad since August 2015.
Russian oil output in June rose slightly from the previous month to 10.84 million bpd.
In Norway, oil workers signed a deal on Saturday, avoiding a strike in western Europe's top producer.
(Additional reporting by Osamu Tsukimori in Tokyo and Henning Gloystein in Singapore, editing by William Hardy)
