Brent crude, the global benchmark, has jumped nearly 10% in the past month. But it has been a rocky climb: Brent fell sharply on Thursday amid a broad market retrenchment sparked by a selloff of U.S. Treasurys . Early Friday, oil was trading largely flat at $84.33 a barrel. Officials from the Organization of the Petroleum Exporting Countries now face two uncertainties: First, estimates vary widely regarding how much production could be disrupted in Libya, Nigeria, Venezuela, Iraq and Iran, the last of which falls under a U.S. ban on oil sales in November. And second, many officials question OPEC’s ability to pump enough relief into the market at short notice to replace potential production outages. A Production Quandary As OPEC attempts to fill an expected decline in production, several members have suffered from volatile production levels… Note: 2018 figures are through August Source: International Energy Agency Saudi energy […]