Number of active U.S. drilling rigs increases this week

HOUSTON, Nov. 6 (Xinhua) -- The number of active drilling rigs in the United States increased by four to 300 rigs this week, down by 517 year on year, according to the weekly data released Friday by Houston-based oilfield services company Baker Hughes.

These active drilling rigs included 226 oil rigs operating in the U.S. oil fields, up by five from the previous week; 71 gas drilling rigs, down by one from the previous week; and three miscellaneous rigs, unchanged from last week.