Morgan Stanley analysts recently included this chart of crude production costs. Onshore Middle East oil sites are much cheaper to tap than North American shale, which costs about $65 per barrel to extract.
1. ponder-reflect deeply on a subject; I mulled over the events of the afternoon; philosophers have speculated on the question of God for thousands of years; The scientist must stop to observe and start to excogitate.
82 Moby Thesaurus words for pensive: absent, absentminded, absorbed, abstracted, atrabiliar, atrabilious, bemused, blue, brooding, castle-building, cogitative, cognitive, concentrating, concentrative, conceptive, conceptual, conceptualized, contemplating, contemplative, daydreaming, daydreamy, deliberating, deliberative, dreaming, dreamy, drowsing ...