Oil prices rise as easing of lockdowns spurs fuel demand hopes

"With Brent holding very nicely above USD 40, there's talk among traders that WTI will test that level soon," said Michael McCarthy, chief market strategist at CMC Markets.

Goldman Sachs has also raised its 2020 oil price forecasts, with Brent now seen at USD 40.40 a barrel and WTI at USD 36 a barrel.

Tuesday's gains came as New York, the US city hardest hit by the novel coronavirus outbreak, began reopening on Monday after about three months, potentially spurring fuel demand.

US crude and gasoline inventories are estimated to have fallen by 1.5 million barrels and about 100,000 barrels respectively in the week to June 5, a preliminary Reuters poll showed ahead of a report from the American Petroleum Institute industry group later on Tuesday.

However distillate inventories, which include diesel and heating oil, were seen rising by 2.9 million barrels.

"You've got demand recovering gradually but steadily," said Lachlan Shaw, head of commodity research at National Australia Bank. "However there's still massive excess supply, so OPEC and friends need to control barrels coming into the market."

The Organization of the Petroleum Exporting Countries (OPEC), Russia and other producers, a grouping known as OPEC+, on Saturday agreed a one-month extension through July of a record 9.7 million barrels per day output cut.

However, Saudi Arabia said on Monday the kingdom and its allies Kuwait and the United Arab Emirates would not extend an additional 1.18 million bpd in cuts on top of the OPEC+ cuts in July.

Meanwhile Libya's National Oil Corporation (NOC) told employees to shut its Sharara oil field just hours after maintenance operations started as an "armed force" had entered the site.

"It seems pricing in consistent Libya production might be premature," said Edward Moya of OANDA. "The oil market ... could easily go back into deeply oversupplied territory, so any threats to production should help stabilise prices."