It is no surprise for investors to see Chesapeake Energy (CHKA.Q) in the news for yet another asset sale. This time the company is selling 162,000 net acres in the Marcellus Shale to Southwestern Energy (SWN 0.14%) for $93 million. In this video, Fool.com contributor Aimee Duffy take a look at the details of this deal and how it fits into Chesapeake's long-term goal of divesting $4 billion-$7 billion in assets this year.