BRIEF-Linn Energy LLC says Chapter 11 filing may be "unavoidable"

* Filing under Chapter 11 of the U.S. Bankruptcy Code may be "unavoidable" -Risk Factors section of annual 10-K filing Source text: (http://1.usa.gov/1QUjm3M) Further company coverage:

from Reuters: Bankruptcy News http://ift.tt/1RiUsOo