While the prospects of shale has been driving interest in the energy sector for the past couple of years, some reasons to fret are starting to emerge. The need for continuous capital injections is starting to bite hard into exploration and production companies, and three comapnies that stand out in this regard are Magnum Hunter Resources (OTC:MHRCQ), Oasis Petroleum (NYSE:OAS), and Goodrich Petroleum (OTC:GDPM). Not only have these companies' cash flows not been able to keep pace with their spending habits, but their interest expenses are becoming rather prohibitive. 

Find out more details about the struggle for solvency at Magnum Hunter, Oasis, and Goodrich by tuning into the conversation between Motley Fool energy bureau chief Joel South and Fool.com contributor Tyler Crowe in the video below.