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.
Synonyms-verbs. 1  have determination. 2  will. 3  form a determination. 4  conclude. 5  bring to a crisis. 6  devote oneself to. 7  nail one's colors to the mast. 8  take one's stand. 9  not listen to the voice of the charmer.