HOUSTON, Jan. 10 (Xinhua) -- The number of active drilling rigs in the United States stood at 584 this week, down by five from the previous week and 35 from last year, according to the weekly data released on Friday by Houston-based oilfield services company Baker Hughes.
These active drilling rigs included 480 oil rigs operating in the U.S. oil fields, down by two from the previous week, 100 gas drilling rigs, down by three from last week, and four miscellaneous rigs, the same as the previous week.
