DEP notes that the spill involved hydraulic fracturing flowback fluid - the stuff that returns to the surface after drillers inject the pressurized mix of water and chemicals underground to fracture a geologic formation in order to allow natural gas to flow.
DEP’s investigation in late November 2009 determined that Talisman spilled between 4,200 to 6,300 gallons of fracking flowback fluids when a pump failed and sand collected in a valve,” said DEP North-Central Oil and Gas Program Manager Jennifer Means. The fluids flowed off the well pad and toward a wetland, with a small amount discharging into an unnamed tributary to Webier Creek. Webier Creek drains into the upper reaches of the Tioga River, a cold water fishery. DEP noted that Talisman has successfully completed DEP’s Act 2 process for spill cleanup activities.
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