Drained by a 17-month crude rout, some U.S. shale oil companies are merely hanging on for life as oil prices lurch further away from levels that allow them to profitably drill new wells and bring in enough cash to keep them in business.

Source: Zombies appear in U.S. oilfields as crude plumbs new lows

Read this post for background on why it matters: Collapsing Oil Prices – a Harbinger or a Boon?