Gran Tierra Energy (AMEX:GTE) reported quarterly earnings of $0.70 per share which missed the analyst consensus estimate of $0.85 by 17.65 percent. This is a 294.44 percent increase over losses of $(0.36) per share from the same period last year. The company reported quarterly sales of $187.181 million which beat the analyst consensus estimate of $150.000 million by 24.79 percent. This is a 22.76 percent increase over sales of $152.481 million the same period last year.