The total number of active drilling rigs for oil and gas in the United States fell again this week, according to new data that Baker Hughes published on Friday. The total rig count in the US slipped to 536, according to Baker Hughes, down 47 from this same time last year. The rig count is still near four-year lows. The number of oil rigs rose by 1, landing at 412. Year over year, this represents a 71-rig decline. The number of gas rigs fell by 3, to 119 for a gain of 24 active gas rigs from this time last year. The miscellaneous rig count stayed…