The total number of active drilling rigs for oil and gas in the United States fell by 6 this week, according to new data that Baker Hughes published on Friday, bringing the total rig count in the US to 542 this week, down 47 from this same time last year. The number of active oil rigs fell by 8 in the reporting period, according to the data, after US drillers added 1 rig in the week prior. Oil rigs are now at 406, which is 77 below this same time last year. The number of gas rigs stayed the same at 127, which is 25 more than this time last…