FILE PHOTO: An oil tanker is being loaded at Saudi Aramco's Ras Tanura oil refinery and oil terminal in Saudi Arabia

By Jessica Resnick-Ault and Andres Guerra Luz

Global benchmark Brent crude fell Monday as supplies from Saudi Arabia and Russia rose while economic growth stumbled in Asia amid escalating trade disputes with the United States.

At the same time, U.S. crude strengthened mid-session, buoyed by concerns about supply levels at the Cushing, Oklahoma delivery hub.

Brent crude fell $1.42 to $77.81 a barrel by 12:37 p.m. EDT (1637 GMT), after earlier touching a session low of $77.59. U.S. light crude rose 7 cents to $74.23 a barrel.

The premium for U.S. crude for the front month compared with the second month widened to as much as $2.21 a barrel, the most since Aug. 20, 2014. The move indicates that the market expects supply shortages to be more severe in the short term.

"The pace of decline at drawdowns of U.S. inventories is startling," said John Kilduff, a partner at Again Capital Management in New York.

Information provider Genscape said U.S. crude inventories at Cushing had fallen in the week, traders said. Genscape said stockpiles at the hub were down 3.2 million barrels in the week to June 22, but rose slightly in the four following days to June 26.

Cushing supplies are down partially due to an outage in Canada. Production at Syncrude Canada's oil sands facility near Fort McMurray, Alberta is likely to remain offline at least through July, a Suncor Energy Inc spokeswoman reaffirmed on Tuesday.

But while U.S. crude was bolstered by supply concerns, a flurry of announcements over the weekend unsettled oil markets.

"There seems to be great uncertainty about how much oil will be added to the supply side of the market," said Gene McGillian, vice president of market research at Tradition Energy in Stamford, Connecticut, referring to how much Saudi Arabia's spare capacity will be able to offset shortages around the world. "How this really is going to play out seems to be up in the air."

U.S. President Donald Trump tweeted on Saturday that Saudi Arabia's King Salman bin Abdulaziz Al Saud had agreed to pump more oil, "maybe up to 2,000,000 barrels." The White House later walked back the comments.

Saudi Arabia's output is up by 700,000 barrels per day (bpd) from May, a Reuters survey showed, and close to its 10.72 million bpd record from November 2016.

Production from the Organization of the Petroleum Exporting Countries increased by 320,000 bpd in June, according to a Reuters survey published Monday. The 12 OPEC members with supply reduction targets increased output by 680,000 bpd compared to May.

For a graphic on OPEC members' spare crude oil production capacity https://tmsnrt.rs/2tKUQOg

Russian output rose to 11.06 million bpd in June from 10.97 million bpd in May, the Energy Ministry said on Monday.

U.S. production has soared 30 percent in the past two years, to 10.9 million bpd, meaning the world's three biggest oil producers now churn out almost 11 million bpd each, meeting a third of global oil demand.

Also weighing on oil demand are trade disputes between the United States and other major economies including China, the European Union, India and Canada.

China, Japan and South Korea all reported slowdowns in export orders in June amid escalating trade disputes with the United States.

For a graphic on major seaborne oil exports to Asia, click https://tmsnrt.rs/2KCNmqe

"Recurring salvos in the trade war and falling asset prices raise the question of how much tariffs could damage the global economy," U.S. bank JPMorgan said.

The bank said a "medium-intensity (trade) conflict would likely reduce global economic growth by at least 0.5 percent, "before accounting for tighter financial conditions and sentiment shocks."

Despite the relief from Saudi Arabia and Russia, oil markets remain tense because of unplanned outages from Canada to Venezuela and Libya.

For a graphic on Russia vs Saudi vs U.S. oil production, click https://tmsnrt.rs/2Ksxc38

Looming U.S. sanctions against Iran further contribute to expected tightness.

Trump threatened in an interview that aired on Sunday to put sanctions on European companies that do business with Iran.

"The Trump administration's plan for Iran sanctions is now abundantly clear. They seek to push Iranian exports of crude, condensate, and oil products to zero," energy consultancy FGE said in a note.

(Additional reporting by Henning Gloystein in Singapore and Osamu Tsukimori in Tokyo and Christopher Johnson in London additional reporting from Devika Krishna Kumar in New York; editing by Richard Chang and Susan Thomas)

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Source: Reuters