NOV (NYSE:NOV) reported quarterly earnings of $0.19 per share which missed the analyst consensus estimate of $0.26 by 26.92 percent. This is a 36.67 percent decrease over earnings of $0.30 per share from the same period last year. The company reported quarterly sales of $2.10 billion which met the analyst consensus estimate. This is a 2.41 percent decrease over sales of $2.15 billion the same period last year.