U.S. oil producer Whiting Petroleum Corp. reported a quarterly loss on Nov. 5, hit by weaker crude and natural gas prices.

The company reported a net loss of $19.1 million, or 21 cents per share, in the third quarter ended Sept. 30, compared with a profit of $121.4 million, or $1.32 per share, a year earlier.

Excluding items, the company recorded a loss of $35.1 million, or 38 cents per share, compared with a profit of $84.7 million, or 92 cents per share, a year earlier.

The Denver-based company's production fell to 11.4 million barrels of oil equivalent (MMboe) from 11.8 MMboe.