In this edition, energy analyst Joel South details his reasons why Marathon Oil (MRO) is still a solid value play. On an enterprise value to barrel of proven oil reserves, the company is selling for $21 per barrel and that doesn't include Marathon's 2.6 trillion cubic feet of proven natural gas reserves. Marathon is also focusing on harvesting its oil-heavy assets by focusing its capital expenditures on production instead of exploration, leading to a 93% liquids growth rate since the third quarter of 2011. Check out the video below for more on Marathon Oil.