What’s going on with the industry? Only time will reveal what caused the industry slump (and subsequent recovery). Shale Drilling + Renewables + Environmental Laws + Fuel Efficient Vehicles / Electric + Complicated Geopolitics did not factor into the supply/demand equation in the past. Oil prices might recover quickly, but they might also take 15+ years to recover, nobody really knows.
Chevron might as well be doomed, but with a recovery in mid 2018 or 2019, it might recover and prosper.
Our dear OPEC has a mind of its own is utterly unpredictable - no one saw this crash coming, and likewise no one can really predict what will happen in the next year or two. It will be interesting...