http://www.ivanhoe-energy.com/s/HTL.asp
this is from their website regarding shell/exxon.the CDF is on land owned by them
2nd paragraph from the bottom,it has been there atleast 2+ years and i do not believe the wording has changed.
fyi
cop non exclusive rights
http://www.ivanhoe-energy.com/s/NewsReleases.asp?ReportID=194059&_Type=News-Releases&_Title=Ivanhoe-Energy-Successfully-Completes-Athabasca-Bitumen-Test-Focus-Increase...
from june 27th press release 3rd paragraph down