In a range bound trade, crude oil prices rose Rs 17, or 0.48 per cent, to Rs 3,587 per barrel in futures trade today, as speculators enlarged their positions, driven by a firming trend in global markets.
Trading sentiment turned better after oil rebounded from a one-month low in New York.
At the National Commodity and Derivatives Exchange, crude oil for August rose by Rs 17, or 0.48 per cent, to Rs 3,587 per barrel, with an open interest of 2,09,900 lots.
However, oil for delivery in September-month held steady at Rs 3,639 per barrel.
Marketmen said speculators increased positions on rising demand in the spot market due to the ongoing festival season and reports of a firming trend in global markets pushed up silver prices at futures trade.
Meanwhile, crude oil for September delivery gained 96 cent to $76.65 on the New York Mercantile Exchange.