Source: pipe-up.net

About half of current oilsands production comes from in-situ methods that pump steam deep underground to soften the tarry bitumen and enable it to flow through to the surface. The in-situ method will eventually account for about 80 per cent of oilsands extractions, said Carolyn Campbell, of the Alberta Wilderness Association.

"It is time for a broader discussion of the safety and regulation of steam injection given these recurring events," said Greenpeace campaigner Mike Hudema said in a news release. "The AER needs to reassure the Alberta public and other stakeholders that it has the regulations in place to prevent similar incidents from occurring in the future."

The CNRL site has been leaking for three months.