OPEC’s mission to implement last week’s historic deal to curb production for the first time in eight years just got a little bit harder after three of its African members increased output in November. Crude production from the Organization of Petroleum Exporting Countries rose to a record 34.16 million barrels a day in November with gains led by Angola, according to a Bloomberg News survey of analysts, oil companies and ship-tracking data. That’s up from a revised 33.96 million barrels a day in October. Nigeria and Libya — which aren’t bound by the OPEC cuts because their output has suffered from sanctions and oil infrastructure sabotage — also boosted production by a combined 140,000 barrels a day last month. Although OPEC uses independent estimates known as secondary sources that differ from the estimates of the Bloomberg survey, the resurgence in production […]