As concern over Greek debt abated on Thursday, crude oil prices climbed to more than $85 per barrel on the New York Mercantile Exchange.

The New York Times has reported that the International Monetary Fund agreed to increase the size of loans to Greece by $100 billion to $160 billion. European markets rebounded.

Concern over Greece going into default has shaken markets for months on fears the euro would decline in value.

With a gain of $2.35, June delivery crude oil went up to $85.57 per barrel. Heating oil prices for June added 0.0347 cents to $2.2889 per gallon.

Adding 0.345 cents, reformulated gasoline blend-stock prices for June reached $2.3675 per gallon.

It was further reported that Henry Hub natural gas prices for June lost 0.356 cents to $3.992 per million British thermal units.

According to the reports of AAA, at the pump, the national average price for unleaded gasoline was $2.877 per gallon Thursday, up from Tuesday's $2.869. (With Inputs from Agencies)