https://energynow.ca/2024/09/winterhawk-well-abandonment-sells-minority-stake-and-issues-exclusive-u-s-patent-license-to-plants-goodwin-inc-a-subsidiary-of-zefiro-methane-corp/

https://energynow.ca/2023/04/winterhawk-expansion-tool-for-4-%c2%bd-114-3mm-casing-ready-for-service-learn-more/

New Casing Expansion Technology https://energynow.ca/2023/07/tier-1-and-winterhawk-enter-new-casing-expansion-technology-cet-services-agreement/