Crude was down slightly on Friday as expectations OPEC and other producers will extend their production cut agreement were offset by U.S. drillers adding the most oil rigs in a week since June, indicating output will continue to grow. U.S. energy companies added nine oil drilling rigs in the week to Nov. 10, the second increase in three weeks, bringing the total count up to 738, General Electric Co’s Baker Hughes energy services firm said in its closely followed report. [RIG/U] Brent futures fell 38 cents, or 0.6 percent, at $63.55 a barrel by 1:12 p.m. EST (1813 GMT), while U.S. West Texas Intermediate crude was down 45 cents at $56.72 per barrel. Earlier in the week, Brent rose to $64.65, its highest since June 2015, and WTI rose […]