Oil prices slip, OPEC doubts offset U.S. rig count decline

By Ethan Lou NEW YORK (Reuters) - Oil prices fell below $50 on Friday and were poised for their biggest weekly loss in six weeks on doubts over OPEC's planned output cut, even as data showed U.S. oil drillers cut rigs for the first time since June. Data by oil services company Baker Hughes Inc showed U.S. oil drillers cut two rigs this week, ending a 17-week recovery in the rig count. "All of the focus prices-wise is on the OPEC meeting right now ... I don't think we're going to get any positive