Aramco has lost half of its production capacity after attacks on its facilities on Saturday.

Analysts said the rise in crude oil futures was largely in tandem with a firm trend in markets here.

Crude oil contracts for most-traded September delivery traded lower by Rs 7, or 0.17 per cent, at Rs 4,000 per barrel.

Marketmen said the fall in prices was mostly due to trimming of positions by traders in tandem with a weak trend overseas.

Analysts said the rise in crude oil futures was largely in tandem with a firm trend in the global market.

Analysts said raising of bets by participants kept crude prices to trade higher here.

US crude was down 26 cents, or 0.5 per cent, at USD 54.84 a barrel by 0644 GMT, while Brent was down 6 cents at USD 58.60 a barrel.

Investors would also monitor other key factors such as movement of rupee, crude oil and investment trend by overseas investors.

WTI futures, slumped last week by nearly 2 million barrels to their lowest since December.

ATC is key to Saudi Aramco’s strategy as it expands its refining and petrochemical operations to boost global sales.