OHS Canada Magazine

Hydraulic fracturing

  • New Brunswick introduces moratorium on hydraulic fracturing

    December 22, 2014 by Jason Contant

    Province becomes fourth Canadian jurisdiction to ban fracking

  • Toxic Fissures

    December 2, 2014 by Jean Lian

    What goes down must come up. Flowback fluids — returning high-pressure fluids injected into the ground to fracture the rock formation and release natural gas or oil — have been linked to the deaths of four workers who appear to have suffered from acute chemical exposures during flowback operations at well sites in Williston Basin in North Dakota and Montana since 2010. As Canada’s oil-and-gas boom continues to fuel projects that involve hydraulic fracturing, just how much — or how little — do we know about what goes on underground?