This energy downturn is looking totally different than previous busts. Here's how a wave of bankruptcies could play out.

· Oil markets surged in May, but the worst is still to come for many US producers. 
· Some companies in the US energy space may not be able to afford to file for Chapter 11 bankruptcy, lawyers said. 
· Companies that can't afford to file may try to wait for the price of oil to recover, or file for another form of...