U.S. energy firms added the most oil rigs in a week since April as the total rig count more than doubled from a record low a year ago amid a recovery in crude prices. The combined oil and gas rig count, an early indicator of future output, was up for the second week in a row, increasing nine to 500 in the week to Aug. 13, its highest since April 2020, energy services firm Baker Hughes Co (BKR.N) said in its closely followed report on Friday. , , The total rig count was up 256 rigs, or 105%, from a record low of 244 this time last year, according to Baker Hughes data going back to 1940. U.S. oil rigs rose 10 to […]