The more-active September contract for Brent fell 60 cents, or 1.43%, to $41.25 a barrel by 1349 GMT, paring Monday’s 92 cent gain. The August contract which expires on Tuesday, fell 69 cents to $41.02.
U.S. crude CLc1 was down 63 cents, or 1.59%, at $39.07 a barrel.
“Attempts to push prices higher are capped by growing concerns about the second cycle of the coronavirus or the inability to contain the current one,” Tamas Varga of oil brokerage PVM said.
Coronavirus cases continue to rise in southern and southwestern U.S. states.
Investors are watching to see whether Libya is able to resume exports, which have been almost entirely blockaded since January amid the country’s civil war.
“If we do finally see a resumption in Libyan output, this would make the job of OPEC+ a little bit more difficult, as Libya pumped at around 1 million barrels per day (bpd) prior to the disruptions.” ING said.
Investors will also be looking for signs of demand recovery in data due on Tuesday from the American Petroleum Institute industry group and from the U.S. government on Wednesday.
A preliminary Reuters poll showed analysts expect U.S. crude oil stockpiles fell from record highs last week and gasoline inventories decreased for a third straight week.
Royal Dutch Shell (RDSa.L), the world’s largest fuel retailer, said it expects a 40% drop in fuel sales in the second quarter from a year earlier to 4 million bpd.
Stronger-than-expected Chinese factory data, and a drop in Iraq’s June oil exports helped cap bigger losses.
Oil prices will consolidate at around $40 a barrel this year, with a recovery gaining steam in the fourth quarter and into 2021, a Reuters poll showed on Tuesday.