While the oil market isn’t in full rebound mode yet, it’s in much better shape than it was early last year when producers were sinking into bankruptcy on a seemingly daily basis. That said, while industrywide bankruptcy risk has subsided, several companies remain in danger, including Pengrowth Energy Corporation (NYSE: PGH), Denbury Resources (NYSE: DNR), and Baytex Energy (NYSE: BTE). Here’s a closer look at whether this trio might sink all the way to that bottom.