High-pressure Cyclical Steam Stimulation
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Alberta oil spill: Examining CNRL’s safety recordCanadian 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.CanadaDec 2, 2014
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Steaming may have caused endless Alberta oil spills, CNRL admitsFor 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.EnvironmentJul 14, 2014
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Alberta regulator rejects CNRL request to steam at active spill siteAER rejected Canadian Natural Resources Limited's request to start steam operations on a site with spills oozing bitumen nonstop since May.CanadaMar 10, 2014
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CNRL wants to start high-pressure steaming near active spill siteA series of spills has been oozing bitumen for 10 months nonstop. Now, CNRL wants to start high-pressure steaming a few hundred metres away.CanadaMar 5, 2014
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Five months (and counting) into CNRL spill, questions of why more wasn’t done after 2009 leakBitumen 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.CanadaSep 27, 2013
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