UPDATE 1-Contract driller Nabors posts 10.5 pct fall in revenue
April 21, 2015 at 18:53 PM EDT
April 21 (Reuters) - Contract driller Nabors Industries Ltd's quarterly revenue fell 10.5 percent, hurt by slower drilling activity in North America, and the company said it had cut its workforce by more than 18 percent since the end of 2014.