SINGAPORE (Reuters) -Oil prices edged down on Thursday, after rallying on an unexpected drop in U.S. crude inventories in the previous session, as investors await the outcome of U.S.-Iran nuclear talks that could add crude supplies quickly to global markets.
Brent crude futures slid 7 cents, or 0.1%, to $91.48 a barrel at 0425 GMT, while U.S. West Texas Intermediate crude was at $89.62 a barrel, down 4 cents.
Robust demand recovery from the coronavirus pandemic has kept global oil supplies snug, with inventories at key fuel hubs globally hovering at multi-year lows.
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U.S. crude inventories fell 4.8 million barrels in the week to Feb. 4, dropping to 410.4 million barrels - their lowest for commercial inventories since October 2018, the Energy Information Administration said. Analysts in a Reuters poll had forecast a 369,000-barrel rise.
EIA data showed that U.S. product supplied - the best proxy for demand peaked at 21.9 million barrels per day (BPD) over the past four weeks due to intense economic activity nationwide.
"We are seeing some consolidation after a fairly constructive EIA report," said Warren Patterson, ING's head of commodities research.
However, investors closely watch the U.S.-Iran nuclear talks, which resumed this week. A deal could lift U.S. sanctions on Iranian oil and ease global supply tightness.
On Wednesday, the White House publicly pressured Iran to quickly revive the 2015 Iran nuclear agreement, saying that it would be impossible to return to the accord if a deal is not struck within weeks.
"The core uncertainty remains whether Iran is willing to sign on the dotted line," Eurasia analyst Henry Rome said, adding that the consultancy was holding onto a 40% call on a return to the agreement.
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The restoration of sanction waivers to Iran to allow international nuclear cooperation projects, which were announced last week, along with some positive comments from Russian diplomats, suggest that the parties are moving closer towards a deal, Patterson said.
"Any quick deal would likely put some further downward pressure on prices, as it would help alleviate some concerns over the lack of spare OPEC capacity," he added.
U.S. President Joe Biden and King Salman of Saudi Arabia discussed energy supplies and developments in the Middle East, including in Iran and Yemen, during a phone call on Wednesday.
Salman also spoke about maintaining balance and stability in the oil markets and emphasized the need to maintain the OPEC+ supply agreement, state news agency SPA said.
In Europe, U.S. Vice President Kamala Harris will be meeting allies and partners in Munich next week, seeking to deter Russian aggression in Ukraine.