Number of active drilling rigs in U.S. down this week
HOUSTON, May 10 (Xinhua) -- The number of active drilling rigs in the United States decreased to 603 this week, down by two from the previous week and by 128 from last year, according to the weekly data released Friday by Houston-based oilfield services company Baker Hughes.
These active drilling rigs included 496 oil rigs operating in U.S. oil fields, down by three from the previous week; 103 gas rigs, up by on