The UAE said it agreed to the increase in output but the extension was conditional on revising up its baseline, the level of production against which cuts are calculated, the source said.
"We see robust stock draws even after factoring in bearish risks as refinery runs are set to rise sharply in the coming months," Citi Research analysts said in a note.
Analysts are reviewing their price forecasts to reflect the continued supply restraint by OPEC+ as well as US shale producers, who are holding back spending in order to boost returns to investors.
Mangalore Refinery and Petrochemicals was another Indian refiner looking to boost contract volumes, seeking a 14% uplift to 40,000 bpd while raising optional purchase volumes to 15,000 bpd from 10,000 bpd in 2020/21.
A weaker dollar against most currencies on Monday also supported commodities, with dollar-denominated commodities becoming more affordable to holders of other currencies.