UK Stocks-Factors to watch on March 15

March 15 (Reuters) - Britain's FTSE 100 index is seen opening 2 points higher at 7,135 on Thursday, according to financial bookmakers. * SHELL: Royal Dutch Shell is close to bagging a deal to supply Hong Kong with liquefied natural gas (LNG), beating out major competitors for the right to be the first company to supply LNG to the area. * GLENCORE: Glencore Plc, the world's biggest producer of cobalt, has agreed to sell around a third of its cobalt production over the next three