RE: Pipeline prospects The link relates to some new enbridge plans over the next 4 to 5 years and mainly discusses light oil transport in the new pipelines they are discussing here, they mention Bakken oil production increase but there is no specific mention of tar sands oil, the article is of interest however.
(It may be best to copy the link and paste it into your browser navigation window if it does not work by clicking it)
https://www.ogfj.com/articles/2012/12/canada-enbridge.html