UPDATE 1-U.S. oil drillers add rigs despite crude prices collapse -Baker Hughes
July 31, 2015 at 13:33 PM EDT
July 31 (Reuters) - U.S. energy firms added 5 oil rigs this week after putting 21 rigs into service last week, the most in over a year, despite a collapse in U.S. crude prices from recent highs in June, data showed on Friday.