Key for Investors: Marathon Oil’s 2Q15 Earnings (Continued from Prior Part) Marathon Oil’s operating income breakup Marathon Oil’s (MRO) North America E&P (exploration and production) segment recorded $45 million in operating loss in 2Q15—compared to $302 million in operating income in 2Q14. The Oil Sands Mining segment recorded an even steeper fall. It fell to a $77 million operating loss—compared to a $55 million operating income last year. The International E&P segment recorded positive operating income in 2Q15. However, the operating earnings fell by 74% over 2Q14. Marathon Oil’s North America E&P segment’s performance The primary reason Marathon Oil’s revenue and profits fell was its average realized price fall in 2Q15 compared to 2Q14, particularly in its North... More