U.S. energy companies added 12 oil rigs this week, the biggest weekly increase since March, as crude prices hovered near their highest levels since 2014, prompting drillers to return to the well pad. Drillers boosted the oil rig count to 759 in the week to Jan. 26, the highest level since September, General Electric Co’s Baker Hughes energy services firm said in its closely followed report on Friday.More than half of those oil rigs were located in the Permian Basin in west Texas and eastern New Mexico where the number of active units increased by 18 this week to 427, the most since January 2015. That was the biggest one-week increase in rigs in the Permian since November 2013. Those rigs were expected to help boost oil output in the Permian to a record high near 2.9 million barrels per day in February, according to federal projections, […]