UK Stocks-Factors to watch on Nov 16

Nov 16 (Reuters) - Britain's FTSE 100 index is seen opening up 4 points at 7,377.1 on Thursday, according to financial bookmakers. * BHP BILLITON: BHP Billiton said on Thursday it hopes to divest its troubled U.S. onshore shale business in around two years. The company also said it was looking for the right time to sell its Nickel West business in Australia. * SHELL: A combined 75,206 barrels per day (bpd) of oil and 215,122 million cubic feet per day of natural gas production