Oil needs to recover to $65 a barrel for U.S. drillers to tap a pent-up supply of oil locked in shale wells and unleash more crude on markets than is produced by Libya. Dipping into this “fracklog” would add an extra 500,000 barrels a day of oil into the market by the end of next year, Bloomberg Intelligence said in an analysis on Thursday. Producers in oil and gas fields from Texas to Pennsylvania have 4,731 idled wells at their disposal. Prices are rebounding from a six-year low after drillers idled half the nation’s oil rigs, slowing the shale boom that boosted production to the highest in four decades. The number of wells waiting to be hydraulically fractured, known as the fracklog, has ballooned as companies wait for costs to drop. That could slow the recovery as firms quickly finish wells at the first sign of higher prices. “Once […]