By Henning Gloystein
SINGAPORE (Reuters) - Oil prices were stable on Friday as traders expected OPEC-led production cuts to extend beyond the middle of this year, and as U.S. crude inventories fell to their lowest levels since February.
International Brent crude futures were at $50.78 per barrel at 0159 GMT on Friday, virtually unchanged from their last close.
U.S. West Texas Intermediate (WTI) crude futures were at $47.85 per barrel, up 2 cents.
"Crude prices could be poised for recovery," U.S. investment bank Jefferies said in a note.
"Net length (in open crude oil futures positions) is at its lowest level since November 2016, which could support a significant price rally if OPEC does extend production cuts," Jefferies added.
The Organization of the Petroleum Exporting Countries (OPEC) and other producers including Russia have pledged to cut output by almost 1.8 million barrels per day (bpd) during the first half of the year.
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OPEC and the other participating producers are scheduled to meet on May 25 in Vienna, Austria, to decide whether to extend the cuts and, potentially, agree a deeper reduction.
Jefferies said it expected an extension.
The bank also said that a fall by 5.3 million barrels in U.S. crude inventories this week to 522.5 million barrels was "providing some fundamental support for prices".
Based on the lower U.S. inventories and the expectation of an extended production cut, this week has seen the market stabilise, including a recovery of Brent back above $50 per barrel, following steep price falls last week.
Despite this, analysts warned that markets remained well supplied.
Norwegian consultancy Rystad Energy said that "U.S. oil production has gained significant momentum" and that there was "limited downside risk in the short-term."
Rystad said that "U.S. Lower 48 (all states excluding Alaska and Hawaii) oil production is set to expand by an additional 390,000 bpd from May 2017 to December 2017 assuming a WTI price of $50 per barrel."
U.S. crude oil production has already risen by over 10 percent since its mid-2016 trough, to more than 9.3 million bpd, close to levels of top producers Russia and Saudi Arabia.
"OPEC/NOPEC have no choice but to extend the production cut deal just to maintain the present status quo against the increase in (U.S.) production and returning (OPEC) members, Libya and Nigeria," said Jeffrey Halley, senior market analyst at futures brokerage OANDA.
A weekly report by Baker Hughes monitoring U.S. rigs drilling for new production is due on Friday.
(Reporting by Henning Gloystein; Editing by Joseph Radford)