Crude oil was above $97 a barrel Thursday on news that inclement weather has shut in production in the North Sea.

December light sweet crude was up $1.01 at $97.38 a barrel on the New York Mercantile Exchange. It reached an intraday high of $97.70 earlier.

Reformulated gasoline is trading 4 cents higher at $2.48 a gallon. Heating oil is up 3 cents at $2.65 a gallon, and natural gas rose 5 cents to $7.67 per million British thermal units.

Both

BP

(BP) - Get Report

and

ConocoPhillips

(COP) - Get Report

have ceased production in the North Sea because of a large storm, unnerving energy traders.

Meanwhile, energy stocks are mostly higher.

Exxon Mobil

(XOM) - Get Report

advanced 2.4% to $89.30 a share.

Chevron

(CVX) - Get Report

gained 2.7% to $89.87, and Conoco was rising 2% to $84.08.