Marathon Oil (NYSE:MRO) reported quarterly earnings of $0.64 per share which beat the analyst consensus estimate of $0.63 by 1.59 percent. This is a 16.88 percent decrease over earnings of $0.77 per share from the same period last year. The company reported quarterly sales of $1.79 billion which beat the analyst consensus estimate of $1.72 billion by 4.39 percent. This is a 1.21 percent decrease over sales of $1.81 billion the same period last year.