Crude oil prices dropped to $97.01 per barrel, a decline of $1.61.

Heating oil gained 1.8 cents to $2.777 per gallon.

The price of reformulated blendstock gasoline gained 3.22 cents to $2.54 per gallon.

Natural gas prices were up 28 cents to $9.171 per million British thermal units.

The national average for a gallon of regular unleaded gasoline climbed Friday, reaching $3.115, up from Thursday's average of $3.086 per gallon, the AAA Daily Fuel Gauge Report said.