UK Stocks-Factors to watch on Nov. 30

Nov 30 (Reuters) - Britain's FTSE 100 index is seen opening about 2 points lower, or almost flat in percentage terms on Wednesday, according to financial bookmakers. * The UK blue chip index closed down 0.4 percent on Tuesday at 6,772, underperforming other European markets as energy and mining stocks were hit by weaker oil and metals prices. * BP: Mexico hopes to award at least four of the 10 deep water oil blocks due to be auctioned next week, plus the farm-out on its Trion field