Oil prices rose more than 2% early on Monday to their highest in three months after OPEC and its allies including Russia agreed to extend record oil production cuts until the end of July.
Brent crude climbed to as high as $43.41 a barrel and was trading at $43.32 by 0000 GMT, up $1.02, or 2.4%. US West Texas Intermediate (WTI) crude gained 83 cents, or 2.1%, to $40.38 a barrel. Both hit their highest since March 6.
The OPEC+ group prolonged on Saturday the deal to withdraw almost 10% of global supplies from the market by a third month to end-July.
Still, compliance to the agreement among OPEC members such as Iraq and Nigeria remains an issue.
“The potential return of Libyan output could also cause considerable challenges for the OPEC leadership.”
In southwestern Libya, two major oilfields have reopened after months of a blockade that shut off most of the country’s production.
Even as oil prices recovered, they are still well below the costs of most US shale producers, leading to shutdowns, layoffs and cost cutting in the world’s largest producer.
The number of operating US oil and natural gas rigs fell to a record low for a fifth week in a row in the week to June 5, according to data from Baker Hughes Co.
Nearly 30% of US offshore oil output was also shut on Friday as tropical storm Cristobal entered the Gulf of Mexico.