Hydraulic fracturing rare in Ky., but Appalachian Forum poses questions about regulation and pollution of gas drilling...
This article originally appeared in The Rural Blog earlier this week: By Ivy Brashear Institute for Rural Journalism and Community Issues Geologists, professors, activists and experts came together for the Appalachian Forum on Hydraulic Fracturing last night at the University of Kentucky to discuss fracking as a means of natural-gas extraction in the state. Kentucky gas wells usually go about 5,000 feet below the surface, much shallower than the Marcellus and Utica shale formations in Ohio, Pennsylvania and New York, where there has been the most controversy about hydraulic fracturing, or hydrofracking. The development of those shales and others, through horizontal drilling and hydrofracking, has greatly boosted U.S. gas resources, and shale gas is expected to make up 49 percent of U.S. gas production by 2035. The shales in Kentucky have much more clay, and that discourages hydrofracking in the state because water makes clay formations swell, inhibiting the release of gas. Instead, Kentucky drillers frack with liquid nitrogen. “Every shale well in Kentucky is fracked,” said Rick Bender, vice president of BlackRidge Resource Partners, a Lexington firm with gas wells in Ohio. “Without fracking, we couldn’t get the gas out.” Bender, former longtime director of the state Division of Oil and Gas, said nitrogen fracking creates little waste because chemicals aren’t used, and nitrogen fracking is “generally very safe.” After fracking, the nitrogen is released into the atmosphere, which is 71 percent nitrogen, an inert gas. Drilling it right Faulty well construction presents the biggest risk for groundwater...
Read More