Alberta's Orphan Well Association (OWA) started decommissioning a historic well near Diamond Valley, Alta., southwest of Calgary, on Friday. The Katana 06-12 well in Foothills County, just outside ...

Alberta's Orphan Well Association (OWA) started decommissioning a historic well near Diamond Valley, Alta., southwest of Calgary, on Friday. The Katana 06-12 well in Foothills County, just outside ...

Another orphaned oil well in West Texas erupted with black, salty water this month as state regulators struggle to address problems associated with oil field pollutants. Leaking wells, which ...