Investors need to start facing a new reality in the American shale boom: It's not new anymore. As we all start to wipe the stars out of our eyes about the potential of the shale boom, investors will need to start taking a harder look at the financials of a company and its ability to pay for its development without constantly relying on debt. While Kodiak Oil & Gas (UNKNOWN:KOG.DL), Whiting Petroleum (NYSE:WLL), and Pioneer Natural Resources (NYSE:PXD) are still growing production at a decent clip, it's still important that investors get familiar with how they are funding that growth. 

Find out how much Kodiak, Pioneer, and Whiting's funding capacity has changed over the past couple years, how close they are to self-funded drilling programs, and how investors should interpret these numbers by tuning into the video below.