There are different companies that are already commercial. Esso at Cold Lake has a project called LASER—liquid addition to steam to enhance recovery. It's commercial. At the University of Calgary, we chair a consortium of 16 companies to address the questions you just asked. What are the fundamental issues in mixing light hydrocarbons and oils? How do we describe it mathematically? We're at a reasonably advanced stage, but to answer your question, it's what we can see today—there is always more tomorrow.
On November 22nd, 2012. See this statement in context.