oil sands and heavy oil technologies 2014,
Oil Sands 101: Process Overview | Oil Sands Magazine
Sep 1, 2016 . Oil sands are a loose sand deposit which contain a very viscous form of . As will all heavy oils in general, Alberta bitumen has a relatively . rates, recent advancements in technology have significantly improved bitumen recovery. . from near-zero in 2011 to almost 200,000 bbl/day by the end of 2014.