According to Jason Kenney and Andrew Scheer, neither low Oil and Gas prices, nor the American shale gale, nor the increase in U.S. crude oil production & resultant glut, nor the massive structural shift in the oil industry had anything to do with Alberta's downturn and continued recession: it was entirely caused by Superwoman Rachel Notley and/or her Superman sidekick, Justin Trudeau.
Equalization and Alberta
"Alberta isn’t a victim of unfair treatment. Rather, much of what is lamented today is a side effect of Alberta’s economic strength. Especially when it comes to equalization. No tweak to a program meant to transfer funds to lower income provinces should ever transfer to the richest."