High-pressure Cyclical Steam Stimulation

• Alberta oil spill: Examining CNRL’s safety record

  Canadian Natural Resources Ltd. has reported more than two dozen bitumen spills since January 2014. That's more than any other operator - by a wide margin.

  Canada

  Dec 2, 2014
  
• Steaming may have caused endless Alberta oil spills, CNRL admits

  For the first time, Canadian Natural Resources, Ltd. has admitted a series of never-ending spills on its property could be caused by its own high-pressure steaming.

  Environment

  Jul 14, 2014
  
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• Alberta regulator rejects CNRL request to steam at active spill site

  AER rejected Canadian Natural Resources Limited's request to start steam operations on a site with spills oozing bitumen nonstop since May.

  Canada

  Mar 10, 2014
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• CNRL wants to start high-pressure steaming near active spill site

  A series of spills has been oozing bitumen for 10 months nonstop. Now, CNRL wants to start high-pressure steaming a few hundred metres away.

  Canada

  Mar 5, 2014
• Five months (and counting) into CNRL spill, questions of why more wasn’t done after 2009 leak

  Bitumen oozing from CNRL's Primrose site for months shows no signs of stopping. Alberta's energy regulator was worried about weakness in rock from high-pressure steam after a spill four years ago.

  Canada

  Sep 27, 2013