N.D. oil driller files for Chapter 11

American Eagle Energy Corp., a small Denver-area oil and gas company with operations in North Dakota, has filed for Chapter 11 protection in federal bankruptcy court in Denver. It's the latest fallout from low crude oil and natural gas prices. Oil-industry companies have been shaken up by the decline in crude oil prices in recent months. An energy-sector CEO in North Dakota said that the industry, which brought thousands of people to the Bakken region to profit from the boom, could lay off thousands…