Calgary-based Sumerian Oil and Gas is planning legal action against the Alberta Energy Regulator following months of enforcement issues. The company now alleges that its assets on Canadian Forces Base Wainwright, in central Alberta, were not secured as required before the deadly fire on Oct. 17.
Deadly fire at CFB Wainwright renews compliance clash between oil operator and Alberta regulator
Nov 3, 2026 | 7:00 AM