Canada-based Enbridge Inc. (NYSE: ENB) and Houston-based Enterprise Products Partners LP (NYSE: EPD) celebrated Jan. 16 the beginning of delivery of Canadian tar sands crude oil to the Houston area through a new pipeline system. While the Keystone XL pipeline remains mired in political debate, Enbridge and Enterprise on Dec. 21 delivered the first high-volume Canadian crude to Freeport, Texas through the newly completed Seaway Pipeline system twin loop and the new Flanagan South pipeline. The two pipeline systems connect in Cushing, Oklahoma, with the new Seaway loop delivering up to 450,000 barrels of oil a day of Canadian crude...