Occidental Petroleum  $OXY as the biggest #Permian Basin producer after the $38 billion Anadarko acquisition is living on a knife edge with the oil price collapse. ExxonMobil $XOM, Chevron $CVX and Diamondback $FANG reported a much sounder position. #OOTT https://t.co/p6nFq59QUZ https://t.co/NIK2rSD9NX